D673H Pneumatic wafer butterfly valve

D673H Pneumatic wafer butterfly valve Product introduction

673H Pneumatic wafer butterfly valve introduction
D673H Pneumatic wafer butterfly valve adopts triple eccentric tructure design, through strict calculation, "U" type sealing ring and butterfly plate almost frictionless, solve the traditional eccentric butterfly valve in the opening and closing 0 to 10 degrees instantaneous sealing surface are still thousands of sliding friction ills, realize the butterfly plate in open the instant sealing surface, the separation, close contact with the sealing effect and prolong the service life, sealed performance is the best.

The sealing surface of D673H Pneumatic wafer butterfly valve is made of butt-welding and drilling base hard alloy, and the sealing surface is resistant to wear. The large-sized butterfly plate is made of spinning frame mechanism, featuring high strength, large flow area and small flow resistance., "On and off" is accomplished by simply turning the stem 90°. Therefore D673H Pneumatic wafer butterfly valve is widely used in the medium temperature ≤425℃ metallurgical, electric power, petroleum, chemical industry, air, gas, combustible gas and water supply and drainage and other corrosive media pipeline, as the best device to regulate the flow and cut off the fluid.

D673H Pneumatic wafer butterfly valve specification
Body: Stainless Steel,CF8,CF8M,CF3M, Carbon Steel
Disc: Stainless Steel CF3M,CF3,CF8M, Double Stainless Steel,2507,1.4529
Stem: Stainless Steel
Seats: PTFE,RPTFE
Size: 5″ – 40″ (25mm – 1000mm)
Flange accommodation: EN 1092 PN10/PN16
ASME Class 150LB,300LB,600LB
AS 4087 PN 10/ PN16/PN25/PN40
JIS /10K/20K

D673H Pneumatic wafer butterfly valve technical parameter

Optional functions of electric actuator	double acting, single acting
Optional models of electric actuator	AT series, AW series
Voltage	AC110V, AC220V, AC24V,DC24V
Air source pressure	2bar-8bar
Nominal diameter	DN50mm ~ DN1200mm
Nominal pressure	PN1.0MPa~PN2.5MPa
Applicable temperature	-30~ +425℃
Connection mode	sandwich type
Body material	carbon steel, stainless steel
Valve plate material	carbon steel, stainless steel, alloy steel, etc
Seat lining	hard alloy, carbon pigeon, silver alloy, graphite compound
Suitable medium	water liquid,steam, oil, weak corrosive medium, etc.

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