Cast Iron Silent Check Valve Provides no Water Hammer
1)Feature:
Silent lift check valve is suitable for water supply and drainage pipeline. It has small volume, light weight, small resistance, long service life etc.
2)MATERIAL LIST:
Pos |
Part |
Material |
1 |
Guide |
Ductile Iron GGG40 |
2 |
Body |
Cast lron GG25 |
3 |
GUIDING STEM |
Brass Cuzn40Pb2 |
4 |
Spring |
Stainless steel |
5 |
Seal |
NBR,EPDM,VITON |
6 |
Disc |
Ductile Iron GGG40 |
Application:
PN Nominal pressure |
1.6Mba |
Sealing test pressure |
1.76Mba |
Strength test pressure |
2.4Mba |
Suitable temperature |
EPDM:-10—+120°C NBR:-10—+80°C VITON:-23—+150°C SILICON:-50—+200°C |
Medium |
Fresh water ,sea water ,waste water,food stuff,steam,all kinds of oil,all kinds of acid and alkaline liquid etc |
The packing of products:
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