H77X Rubber lined butterfly double flap check valve
Nominal diameter: DN50-600
Minimum test pressure: 0. 4MPa
Nominal pressure: 1.0 MPA, 1.6 Mpa
Sealing test pressure: 1.1 Mpa, 1.76 Mpa
Shell: test pressure 1.5 Mpa, 2.4 Mpa
Valve body: gray cast iron / nodular cast iron
Valve seat: EPDM, nitrile, etc.
Disc: 304SS, 316SS, aluminum bronze, etc.
Shaft, spring: stainless steel
Adjustment gasket: PTFE

H41X Double guide soft seal lift check valve
Nominal diameter: DN50-300
Nominal pressure: 1.6 MPA
Sealing test pressure: 1.76 Mpa
Shell test pressure: 2. 4MPA
Valve body, valve cover, valve plate: ductile iron
Valve plate rubber: EPDM, nitrile rubber, etc.
Valve plate shaft, spring: stainless steel
Sealing ring: EPDM rubber

H42X Lifting bottom valve
Nominal pressure: 0.25 Mpa
Strength test: 0.4MPa
Sealing test pressure: 0.28 MPa
Test temperature: ≤50 ℃
Applicable medium: water
Valve body: gray iron
Disc: gray iron
Valve cover: gray iron
Sealing ring: Fluorine rubber
Uses: This valve is installed at the bottom of the suction pipe of the pump, which can automatically prevent the backflow of fluid.

HQ41X Horizontal ball check valve
Nominal diameter: DN50 ~ 350mm
Minimum test pressure: 0.4 MPa
Nominal pressure: PN1.0 MPa PN1.6 MPa
Sealing test pressure: 1.1 MPa 1.76 MPa
Shell test pressure: 1.5 Mp 2. 4 MPa
Valve body: gray iron, ductile iron, carbon steel
Valve cover: gray iron, ductile iron, carbon steel
Sphere: carbon steel + nitrile rubber

H44X Horizontal rubber flap check valve
Nominal diameter: DN50 ~ 600mm
Minimum test pressure: 0.4 MPa
Nominal pressure: PN1.0 MPa PN1.6 MPa
Sealing test pressure: 1.1 MPa 1.76 MPa
Shell test pressure: 1.5 Mpa 2. 4 MPa
Valve body: gray iron, gray cast iron
Valve cover: gray iron, gray cast iron
Sphere: gray iron, rubber assembly

H44J Fully flanged rubber check valve
Main parts and materials
Upper body: cast iron, ductile iron, cast steel
Lower valve body: cast iron, ductile iron, cast steel
Lining: rubber
Disc: Carbon steel coated rubber

performance
Working temperature: ≤85 ℃
Applicable medium: weak acid and alkali general corrosive medium

H44F46 Flange-lined fluorine check valve
Material of main parts
Upper valve body: cast steel, stainless steel
Lower valve body: cast steel, stainless steel
Lining: Polytetrafluoroethylene (PTFE) Polyperfluoroethylene propylene (FEP), fusible tetrafluoroethylene (PFA)
Disc: Carbon steel coated F46 or F4

H44T Horizontal swing check valve
Main parts and materials
Valve body: HT200, QT450-10
Valve plate: HT200, QT450-10
Rocker: carbon steel, stainless steel

H44H Cast Steel / Stainless Steel Horizontal Swing Check Valv

H71W Wafer lift check valve

H71H Wafer lift check valve
Performance
The valve is small in size, light in weight, simple in structure, easy to use, install and maintain. It is mainly used in water, steam, boiler, oil and other media pipelines.
Material of main parts
Valve body: 304SS, 316SS
Disc: 304SS, 316SS

HH49X Micro resistance slow closing check valve