D371X-10 WAFER BUTTERFLY VALVE
D371X-10 WAFER BUTTERFLY VALVE
WAFER BUTTERFLY VALVE
Product introduction: WAFER BUTTERFLY VALVE
- Model: D371X-10
- Size: DN50-DN1600
- Medium: water,sea water
Wafer butterfly valve is used in on-off and control flow of medium in vaired pipelines such as foodstuff, beverage, machine, chemical engineering, industrial enviromental proction, water treatment and building ect . Wafer butterfly valve Standard: ANSI, DIN, JIS, GB, etc.
More Structure: Soft Seat Sealing ( Or metal seat sealing).
Wafer butterfly valve Material:
Body :
- Cast Iron: ASTM A126CL. B , DIN1691 GG25, EN 1561 EN-GJL-200
- Ductile Iron:ASTM A536 65-45-12, DIN 1693 GGG40, EN1563 EN-GJS-400-15
- Stainless Steel: ASTM A351 CF8, CF8M;Carbon Steel: ASTM A216 WCB
Stem: Zinc Plated Steel; Stainless Steel: ASTM A276 Type 316, Type 410, Type 420; ASTM A582 Type 416;
Taper Pin : Stainless Steel: ASTM A276 Type 304, Type 316;
Seat : NBR, EPDM, Neoprene, PTFE, Viton;
Disc : Ductile Cast Iron (Nickel plated):ASTM A536 65-45-12, DIN 1693 GGG40, EN1563 EN-GJS- 400,Stainless Steel:ASTM A351 CF8, CF8M; CF3, CF3M; EN 1.4408, 1.4469; 1.4501; AL-Bronze: ASTM B148 C95400; O-Ring: NBR, EPDM
Bushing :Polymer water-proof materials ,Nylon, Bronze.
Wafer butterfly valve Technical parameters
Description | Standard |
Design and manufacture | EN593 |
Face to face | ISO5752 series14, EN558-1 series 14, DIN3202 F4 |
Flange and drilling | ISO7005-2, EN1092, |
Pressure test | EN12266 |
Top flange of bare shaft valve | ISO5211 |
Top flange on worm gearbox for e-actuator | ISO5210 |
Wafer butterfly valve Main connection dimensions
Name | Material |
Body | ductile cast iron, WCB, stainless steel |
Disc | ductile cast iron, WCB, stainless steel, Al-bronze |
Stem | SS420, SS431 |
Disc seat ring | EPDM,NBR,VITON |
Body seat ring | SS304 |
Retainer | SS304, SS316 |
Shaft bearing | Al-bronze, self-lubricating bearing |
Bolt & nuts | 8.8 grade galvanized, SS304 |
Coating | epoxy coating, thickness: min. 250 microns, color code: RAl5015, 5017, 5010, and etc. |