Descrizione
Model No. ZSH41H
Δ Model ZSH41H Venturi check valve is a brand new series, designed to the theory of differential flow adjustable check valve.
Δ This valve is mainly used in water supply and drainage system. It opens and closes by pressure difference in the system and the weight of the disc.
Δ The model is with streamline chamber and has a diffuser agive.
It is mainly used at outlet side of the pump to stop backflow and slamming noise.
It is noiseless and with outstanding sealing performance.
Technical standards:
1) Design and manufacture: API 6D
2) Face-to-face: ANSI B16.10
3) Flange end: ANSI B16.5
4) Inspection and test: API 598
Main materials:
1) Body and lead fluids: Ductile iron, Acciaio al carbonio, stainless steel etc
2) Disc: Acciaio al carbonio, stainless steel
3) Primavera: Stainless steel
4) Valve seat sealing: Stainless steel
Medium applicable | Acqua, Oil, Steam Acid & Alkali etc. |
Materiale principale | Ductile Iron, Carbon Steel, Stainless steel, Alloy steel etc |
Suitable Temperature | ≤200ºC |
Nominal Pressure | 150lbs – 300lbs (PN1.0MPa ~ 2.5MPa) |
Nominal Diameter | 1″–40″ |
Flange Dimension | ANSI B16.5, BS4504, ISO2531 etc |
Face to Face Length | BS1868, ISO5752, DIN3356, API6D etc |