Cast iron wafer butterfly valve


Cast iron wafer butterfly valve
Cast iron wafer butterfly valve


Contact Us

Cast iron wafer butterfly valve Product introduction

Cast iron 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 .Cast iron wafer butterfly valve Standard: ANSI, DIN, JIS, GB, etc
More Structure: Soft Seat Sealing ( Or metal seat sealing).

 
Cast iron wafer butterfly valve Material :
1 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
2 Stem: Zinc Plated Steel; Stainless Steel: ASTM A276 Type 316, Type 410, Type 420; ASTM
A582 Type 416;
3 Taper Pin : Stainless Steel: ASTM A276 Type 304, Type 316;
4 Seat : NBR, EPDM, Neoprene, PTFE, Viton;
5 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;
6 O-Ring: NBR, EPDM
7 Bushing :Polymer water-proof materials ,Nylon, Bronze;

Cast iron 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

Cast iron 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.