Size: DN50-DN1000
Body:Cast Iron,Ductile Iron,Carbon Steel,Stainless Steel
Seat:EPDM,NBR,PTFE,Viton,Neoprene,Hypalon,Silion
Shaft: Stainless Steel 416,316,304
Disc:Ductile Iron+Ni,CF8,CF8+PTFE,CF8M,CF8M+PTFE,Bronze
Bushing:PTFE
O-ring:NBR EPDM
Specifications:
| Size | DN50-DN1000 | 
| Nominal Pressure | PN10/16, 150-300LB | 
| Working Temperature | -30。c - 135。C | 
| Suitable Media | Chemicals, air, water, steam, oil, acids, salts ect | 
Standards:
| Design standard | API609, ANSI16.34, JISB2064, GB T12238 | 
| Face to Face | API609, DIN3202, ISO5752, BS5155 | 
| Flange drilling | DIN2501 PN10/16, ANSI 125/150/300, BS4504, JIS10K | 
| Top Flange | ISO5211 | 
| Test Inspection | API598 | 
aterial:
| Body | Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel | 
| Disc | Ductile Iron, Carbon Steel, Stainless Steel | 
| Stem | Stainless Steel | 
| Seat | EPDM, NBR, PTFE, VITON, HYPALON | 
| O ring | EPDM, NBR | 
