DIN Swing Check Valve
Short Description:
Feature:
1.Bolted Bonnet cap
2.Swing Type, Anti-rotation Disc
3.Renewable Seat Ring
4.The disc can be opened fully with a very small pressure differential.
5.Rocker and hinge pin use inside-set design,reduce outer leakage point.
Part Name | Material | ||||
Body | DIN 17245 GS-C25+CR13 | DIN 17245 GS-C25+STL | DIN 17245 GS-C25+STL | DIN 17445 1.4308 | DIN 17445 1.4408 |
Disc | DIN 17245 GS-C25+CR13 | DIN 17245 GS-C25+CR13 | DIN 17245 GS-C25+STL | DIN 17445 1.4308 | DIN 17445 1.4408 |
Cover | DIN 17245 GS-C25 | DIN 17245 GS-C25 | DIN 17245 GS-C25 | DIN 17445 1.4308 | DIN 17445 1.4408 |
Pin | ASTM A182 F6a | ASTM A182 F6A | ASTM A182 F6a | ASTM A182 F304 | ASTM A182 F316 |
Bolt | ASTM A194 B7 | ASTM A194 B8 | ASTM A194 B8 | ||
Nut | ASTM A194 2H | ASTM A182 F304 | ASTM A182 F316 | ||
Gasket | SS Spiral Wound W/graphite,or SS Spiral Wound W/PTFE,or Reinforced PTFE |
Noted: The chart above only lists out some conmmon composition of check parts.We may provide other different parts material composition according to the customer’s request or the actual valve working condition.
Standard:
1.Design and Manufacture:DIN3356
2.Face to face(end to end):DIN3202 F1
3.End Connection: Flange end DIN2543,DIN2544,DIN2545;BW end DIN 3239
4.Test and inspection:DIN3230