Widely used for water supply pipe network of high-rise buildings, a certain medium of a corrosive and restricted installation space as well as sewer network.
Features:
⊙ The valve seat is designed to multi term narrow bands and vulcanized on valve body by complete seal with no leak.
⊙ Structure of butterfly dual plate check valve is safe and reliable with high external force and low trash rack loss.
⊙ Such kind of valve structure installed conveniently with short length and good rigidity.
Mail part & material
Body : pray cast iron, carbon steel
Disc: stainless steel
Spring : Stainless steel
Seat : Stainless steel, NBR
Stem : Stainless steel
Technical Specification
- Nominal diameter : 50 ~ 60 0 mm
- Nominal pressure : 1.0~2.5 Mpa
-Medium: freshwater, sewage, seawater, salt, alkali, acid, leechdom, steam, oil, food, etc.
-Work temperature: 0~80 ℃
Main external and connection dimension
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