Description
PN10,PN16 Class150 GG20,GG25 GGG40,GGG50 Cast iron , ductile iron wafer double door/dual door /dual plate check valve
Design standard: BS5153, API594
Size:DN40-DN1200
Pressure:PN10,PN16,Class125,Class150
Application:Water , Gas , Oil , Marine industry, drinking water, Sea water.
Painting and rubber:Rugular type ,Wras certificated food type is available
Package:Wooden box
Service life: 20 years
Delivery time: 30 days
| STANDARD MATERIAL OF MAIN PARTS | ||
| NO. | PART | MATERIAL |
| 1 | Body | Cast Iron GG20, GG25 , Ductile iron GGG40,GGG50, Carbon Steel, Stainless Steel,Brass , albronze , Duplex Stainless Steel , Ductile iron +EPDM , Ductile iron +NBR |
| 2 | Seat | NBR, EPDM, Viton |
| 3 | Shaft | Stainless Steel416,SS420, 316, 304 , Duplex Stainless Steel 2205,Duplex Stainless Steel 2507 |
| 4 | Disc | Ductile Iron+Ni, CF8, CF8M, Bronze, Duplex Stainless Steel2205 ,Brass ,Duplex Stainless Steel 2507 |
| 5 | Pin | Stainless Steel |
| 6 | Spring | SS420 ,SS304,SS316, Monel K500, Iconel X750 |
| 7 | O-Ring | NBR, EPDM |
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Check valve catalog and dimension
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