Butterfly Valve DKR

For (hot) air and flue gas
Low leakage rate and pressure loss
Wide range of nominal sizes DN 15 – 500
Simple installation thanks to clamping between standard flanges
Pre-assembled combination of actuator, attachment set and butterfly valve
Suitable for intermittent operation
Low-maintenance operation
Robust design for a long service life
Can be mounted directly onto the actuators IC 50.

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Description Documentation Ordering Information Accessories

Ordering Information

Model and Description	Model	Nominal Size	Max pressure	Max Temperature	Connection Fitting	Manual Lever	Disc Clearance	Price	Cart
DKR 15Z03F100D Nominal size: DN 15 (1/2"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 212°F; w/ Disc clearance	DKR 15Z03F100D	DN 15 (½″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 20Z03F100D Nominal size: DN 20 (3/4"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 212°F; w/ Disc clearance	DKR 20Z03F100D	DN 20 (¾″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 25Z03F100D Nominal size: DN 25 (1"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 212°F; w/ Disc clearance	DKR 25Z03F100D	DN 25 (1″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 32Z03F100D Nominal size: DN 32 (1-1/4"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 212°F; w/ Disc clearance	DKR 32Z03F100D	DN 32 (1¼″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 40Z03F100D Nominal size: DN 40 (1-1/2"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 212°F; w/ Disc clearance	DKR 40Z03F100D	DN 40 (1½″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 50Z03F100D Nominal size: DN 50 (2"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 212°F; w/ Disc clearance	DKR 50Z03F100D	DN 50 (2″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 65Z03F100D Nominal size: DN 65 (2-1/2"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 212°F; w/ Disc clearance	DKR 65Z03F100D	DN 65 (2½″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 80Z03F100D Nominal size: DN 80 (3"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 212°F; w/ Disc clearance	DKR 80Z03F100D	DN 80 (3″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 100Z03F100D Nominal size: DN 100 (4"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 212°F; w/ Disc clearance	DKR 100Z03F100D	DN 100 (4″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 125Z03F100D Nominal size: DN 125 (5"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 212°F; w/ Disc clearance	DKR 125Z03F100D	DN 125 (5″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 150Z03F100D Nominal size: DN 150 (6"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 212°F; w/ Disc clearance	DKR 150Z03F100D	DN 150 (6″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 200Z03F100D Nominal size: DN 200 (8"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 212°F; w/ Disc clearance	DKR 200Z03F100D	DN 200 (8″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 250Z03F100D Nominal size: DN 250 (10"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 212°F; w/ Disc clearance	DKR 250Z03F100D	DN 250 (10″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 300Z03F100D Nominal size: DN 300 (12"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 212°F; w/ Disc clearance	DKR 300Z03F100D	DN 300 (12″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 350Z03F100D Nominal size: DN 350 (13-3/4"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 212°F; w/ Disc clearance	DKR 350Z03F100D	DN 350 (13¾″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 400Z03F100D Nominal size: DN 400 (15-3/4"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 212°F; w/ Disc clearance	DKR 400Z03F100D	DN 400 (15¾″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 450Z03F100D Nominal size: DN 450 (17-3/4"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 212°F; w/ Disc clearance	DKR 450Z03F100D	DN 450 (17¾″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 500Z03F100D Nominal size: DN 500 (19-3/4"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 212°F; w/ Disc clearance	DKR 500Z03F100D	DN 500 (19¾″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 15Z03F450D Nominal size: DN 15 (1/2"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 842°F; w/ Disc clearance	DKR 15Z03F450D	DN 15 (½″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 20Z03F450D Nominal size: DN 20 (3/4"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 842°F; w/ Disc clearance	DKR 20Z03F450D	DN 20 (¾″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 25Z03F450D Nominal size: DN 25 (1"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 842°F; w/ Disc clearance	DKR 25Z03F450D	DN 25 (1″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 32Z03F450D Nominal size: DN 32 (1-1/4"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 842°F; w/ Disc clearance	DKR 32Z03F450D	DN 32 (1¼″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 40Z03F450D Nominal size: DN 40 (1-1/2"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 842°F; w/ Disc clearance	DKR 40Z03F450D	DN 40 (1½″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 50Z03F450D Nominal size: DN 50 (2"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 842°F; w/ Disc clearance	DKR 50Z03F450D	DN 50 (2″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 65Z03F450D Nominal size: DN 65 (2-1/2"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 842°F; w/ Disc clearance	DKR 65Z03F450D	DN 65 (2½″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 80Z03F450D Nominal size: DN 80 (3"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 842°F; w/ Disc clearance	DKR 80Z03F450D	DN 80 (3″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 100Z03F450D Nominal size: DN 100 (4"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 842°F; w/ Disc clearance	DKR 100Z03F450D	DN 100 (4″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 125Z03F450D Nominal size: DN 125 (5"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 842°F; w/ Disc clearance	DKR 125Z03F450D	DN 125 (5″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 150Z03F450D Nominal size: DN 150 (6"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 842°F; w/ Disc clearance	DKR 150Z03F450D	DN 150 (6″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 200Z03F450D Nominal size: DN 200 (8"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 842°F; w/ Disc clearance	DKR 200Z03F450D	DN 200 (8″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 250Z03F450D Nominal size: DN 250 (10"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 842°F; w/ Disc clearance	DKR 250Z03F450D	DN 250 (10″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 300Z03F450D Nominal size: DN 300 (12"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 842°F; w/ Disc clearance	DKR 300Z03F450D	DN 300 (12″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 350Z03F450D Nominal size: DN 350 (13-3/4"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 842°F; w/ Disc clearance	DKR 350Z03F450D	DN 350 (13¾″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 400Z03F450D Nominal size: DN 400 (15-3/4"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 842°F; w/ Disc clearance	DKR 400Z03F450D	DN 400 (15¾″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 450Z03F450D Nominal size: DN 450 (17-3/4"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 842°F; w/ Disc clearance	DKR 450Z03F450D	DN 450 (17¾″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 500Z03F450D Nominal size: DN 500 (19-3/4"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); w/ Free shaft end; Max. temp.: 842°F; w/ Disc clearance	DKR 500Z03F450D	DN 500 (17¾″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	No	Yes	Contact Us	Not available for online purchase.
DKR 15Z03H100D Nominal size: DN 15 (1/2"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 212°F; w/ Disc clearance	DKR 15Z03H100D	DN 15 (½″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 20Z03H100D Nominal size: DN 20 (3/4"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 212°F; w/ Disc clearance	DKR 20Z03H100D	DN 20 (¾″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 25Z03H100D Nominal size: DN 25 (1"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 212°F; w/ Disc clearance	DKR 25Z03H100D	DN 25 (1″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 32Z03H100D Nominal size: DN 32 (1-1/4"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 212°F; w/ Disc clearance	DKR 32Z03H100D	DN 32 (1¼″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 40Z03H100D Nominal size: DN 40 (1-1/2"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 212°F; w/ Disc clearance	DKR 40Z03H100D	DN 40 (1½″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 50Z03H100D Nominal size: DN 50 (2"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 212°F; w/ Disc clearance	DKR 50Z03H100D	DN 50 (2″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 65Z03H100D Nominal size: DN 65 (2-1/2"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 212°F; w/ Disc clearance	DKR 65Z03H100D	DN 65 (2½″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 80Z03H100D Nominal size: DN 80 (3"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 212°F; w/ Disc clearance	DKR 80Z03H100D	DN 80 (3″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 100Z03H100D Nominal size: DN 100 (4"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 212°F; w/ Disc clearance	DKR 100Z03H100D	DN 100 (4″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 125Z03H100D Nominal size: DN 125 (5"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 212°F; w/ Disc clearance	DKR 125Z03H100D	DN 125 (5″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 150Z03H100D Nominal size: DN 150 (6"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 212°F; w/ Disc clearance	DKR 150Z03H100D	DN 150 (6″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 200Z03H100D Nominal size: DN 200 (8"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 212°F; w/ Disc clearance	DKR 200Z03H100D	DN 200 (8″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 250Z03H100D Nominal size: DN 250 (10"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 212°F; w/ Disc clearance	DKR 250Z03H100D	DN 250 (10″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 300Z03H100D Nominal size: DN 300 (12"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 212°F; w/ Disc clearance	DKR 300Z03H100D	DN 300 (12″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 350Z03H100D Nominal size: DN 350 (13-3/4"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 212°F; w/ Disc clearance	DKR 350Z03H100D	DN 350 (13¾″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 400Z03H100D Nominal size: DN 400 (15-3/4"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 212°F; w/ Disc clearance	DKR 400Z03H100D	DN 400 (15¾″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 450Z03H100D Nominal size: DN 450 (17-3/4"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 212°F; w/ Disc clearance	DKR 450Z03H100D	DN 450 (17¾″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 500Z03H100D Nominal size: DN 500 (19-3/4"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 212°F; w/ Disc clearance	DKR 500Z03H100D	DN 500 (17¾″)	120"w.c. (300 mbar)	100°C (212°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 15Z03H450D Nominal size: DN 15 (1/2"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 842°F; w/ Disc clearance	DKR 15Z03H450D	DN 15 (½″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 20Z03H450D Nominal size: DN 20 (3/4"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 842°F; w/ Disc clearance	DKR 20Z03H450D	DN 20 (¾″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 25Z03H450D Nominal size: DN 25 (1"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 842°F; w/ Disc clearance	DKR 25Z03H450D	DN 25 (1″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 32Z03H450D Nominal size: DN 32 (1-1/4"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 842°F; w/ Disc clearance	DKR 32Z03H450D	DN 32 (1¼″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 40Z03H450D Nominal size: DN 40 (1-1/2"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 842°F; w/ Disc clearance	DKR 40Z03H450D	DN 40 (1½″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 50Z03H450D Nominal size: DN 50 (2"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 842°F; w/ Disc clearance	DKR 50Z03H450D	DN 50 (2″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 65Z03H450D Nominal size: DN 65 (2-1/2"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 842°F; w/ Disc clearance	DKR 65Z03H450D	DN 65 (2½″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 80Z03H450D Nominal size: DN 80 (3"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 842°F; w/ Disc clearance	DKR 80Z03H450D	DN 80 (3″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 100Z03H450D Nominal size: DN 100 (4"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 842°F; w/ Disc clearance	DKR 100Z03H450D	DN 100 (4″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 125Z03H450D Nominal size: DN 125 (5"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 842°F; w/ Disc clearance	DKR 125Z03H450D	DN 125 (5″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 150Z03H450D Nominal size: DN 150 (6"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 842°F; w/ Disc clearance	DKR 150Z03H450D	DN 150 (6″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 200Z03H450D Nominal size: DN 200 (8"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 842°F; w/ Disc clearance	DKR 200Z03H450D	DN 200 (8″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 250Z03H450D Nominal size: DN 250 (10"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 842°F; w/ Disc clearance	DKR 250Z03H450D	DN 250 (10″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 300Z03H450D Nominal size: DN 300 (12"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 842°F; w/ Disc clearance	DKR 300Z03H450D	DN 300 (12″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 350Z03H450D Nominal size: DN 350 (13-3/4"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 842°F; w/ Disc clearance	DKR 350Z03H450D	DN 350 (13¾″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 400Z03H450D Nominal size: DN 400 (15-3/4"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 842°F; w/ Disc clearance	DKR 400Z03H450D	DN 400 (15¾″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 450Z03H450D Nominal size: DN 450 (17-3/4"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 842°F; w/ Disc clearance	DKR 450Z03H450D	DN 450 (17¾″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.
DKR 500Z03H450D Nominal size: DN 500 (19-3/4"); For fitting b/t two DIN or ANSI flanges; Max. pressure: 120"w.c. (300 mbar); Manual Adjustment; Max. temp.: 842°F; w/ Disc clearance	DKR 500Z03H450D	DN 500 (17¾″)	120"w.c. (300 mbar)	450°C (842°F)	two (2) DIN or ANSI flanges	Yes	Yes	Contact Us	Not available for online purchase.

Description

Butterfly valve DKR is designed to adjust volumes of hot air and flue gas on various appliances and flue gas lines. It can be used for a control ratio of up to 1:10.

Use DKR..F with mounted actuator IC 50, for regulating flow rates for modulating-controlled or stage-controlled combustion processes.

Use DKR..H to set flow rates using a lever, for example to limit the high-fire rate on the burner. A scale indicates the set angle of opening.

Documentation

	FAQ: Kromschröder Product Labels and Type Codes (Blog Post)
	Butterfly Valve DKR Brochure
	Butterfly Valve DKR Operating Instructions
	Butterfly Valve DKR Technical Information

Accessories

Model and Description	Price	Cart
DKR ACC 01 DKR Heat deflector DN 15-20 /B	Contact Us	Not available for online purchase.
DKR ACC 02 DKR Heat deflector DN 25-32 /B	Contact Us	Not available for online purchase.
DKR ACC 03 DKR Heat deflector DN 40-50 /B	Contact Us	Not available for online purchase.
DKR ACC 04 DKR Heat deflector DN 65-100 /B	Contact Us	Not available for online purchase.
DKR ACC 05 DKR Heat deflector DN 125 /B	Contact Us	Not available for online purchase.
DKR ACC 06 DKR Heat deflector DN 150-250 /B	Contact Us	Not available for online purchase.
DKR ACC 07 DKR Heat deflector DN 300 /B	Contact Us	Not available for online purchase.
DKR ACC 08 DKR Heat deflector DN 350 /B	Contact Us	Not available for online purchase.
DKR ACC 09 DKR Heat deflector DN 400-500 /B	Contact Us	Not available for online purchase.
IC 50 ACC 02 Attachment set IC 50-DKR Axial DN 15-20 /B	Contact Us	Not available for online purchase.
IC 50 ACC 03 Attachment set IC 50-DKR Axial DN 25-32 /B	Contact Us	Not available for online purchase.
IC 50 ACC 04 Attachment set IC 50-DKR Axial DN 40-50 /B	Contact Us	Not available for online purchase.
IC 50 ACC 05 Attachment set IC 50-DKR Axial DN 65-125 /B	Contact Us	Not available for online purchase.
IC 50 ACC 06 Attachment set IC 50-DKR Axial DN 150-250 /B	Contact Us	Not available for online purchase.
IC 50 ACC 07 Attachment set IC 50-DKR Axial DN 300 /B	Contact Us	Not available for online purchase.
IC 50 ACC 08 Attachment set IC 50-DKR Axial DN 350 /B	Contact Us	Not available for online purchase.
IC 50 ACC 09 Attachment set IC 50-DKR Axial DN 400-500 /B	Contact Us	Not available for online purchase.
IC 50 ACC 10 Attachment set IC 50-DKR..D DN 15-20 with linkage /B	Contact Us	Not available for online purchase.
IC 50 ACC 11 Attachment set IC 50-DKR..D DN 25-32 with linkage /B	Contact Us	Not available for online purchase.
IC 50 ACC 12 Attachment set IC 50-DKR..D DN 40-50 with linkage /B	Contact Us	Not available for online purchase.
IC 50 ACC 13 Attachment set IC 50-DKR..D DN 65-100 with linkage /B	Contact Us	Not available for online purchase.
IC 50 ACC 14 Attachment set IC 50-DKR..D DN 125 with linkage /B	Contact Us	Not available for online purchase.
IC 50 ACC 15 Attachment set IC 50-DKR..D DN 150-250 with linkage /B	Contact Us	Not available for online purchase.
IC 50 ACC 16 Attachment set IC 50-DKR..D DN 300 with linkage /B	Contact Us	Not available for online purchase.
IC 50 ACC 17 Attachment set IC 50-DKR..D DN 350 with linkage /B	Contact Us	Not available for online purchase.
IC 50 ACC 18 Attachment set IC 50-DKR..D DN 400-500 with linkage /B	Contact Us	Not available for online purchase.
IC 50 ACC 19 Attachment set IC 50-DKR..A DN 25-32 with shock suppressor /B	Contact Us	Not available for online purchase.
IC 50 ACC 20 Attachment set IC 50-DKR..A DN 40-50 with shock suppressor /B	Contact Us	Not available for online purchase.
IC 50 ACC 21 Attachment set IC 50-DKR..A DN 65-100 with shock suppressor /B	Contact Us	Not available for online purchase.
IC 50 ACC 22 Attachment set IC 50-DKR..A DN 125 with shock suppressor /B	Contact Us	Not available for online purchase.
IC 50 ACC 23 Attachment set IC 50-DKR..A DN 150-250 with shock suppressor /B	Contact Us	Not available for online purchase.
IC 50 ACC 24 Attachment set IC 50-DKR..A DN 300 with shock suppressor /B	Contact Us	Not available for online purchase.
IC 50 ACC 25 Attachment set IC 50-DKR..A DN 350 with shock suppressor /B	Contact Us	Not available for online purchase.
IC 50 ACC 26 Attachment set IC 50-DKR..A DN 400-500 with shock suppressor /B	Contact Us	Not available for online purchase.

Butterfly Valve DKR..H
DKR..H

Butterfly Valve DKR

Ordering Information

Description

Documentation

Accessories

Combustion 911