h77
CS, Ss, Brass, Chrome-Molybdenum Steel
Wafer
Swing
Ordinary Pressure
Nrvr Silence, Nrvz Silence, Nrvg Silence
Rubber Sealing / Metal Sealing
Unidirection
ANSI, API, DIN, BS, GB etc
Industrial Usage, Water Industrial Usage
ISO, Ce
Pn10~Pn40(Cl150~Cl300)
Water, Oil, Medium Containing Acid or Alkali
KARFAR
Bubble Plastic Paper + Plywood Case
DN80 ~ DN1000
China
84813000
Product Description
Wafer Butterfly Tilting Disc Check Valve
Model NO.: H77H/Y-C, H77X, H77W

Δ Simple and compact structure.
Δ Light weight
Δ Smooth on&off
Δ Easy assembly and maintenance
Δ Reliable sealing performance.
Δ Zero leakage tightness with 20000 times on&off service life
Δ Minimized resistance with streamline structure
Δ Offset structure disc has small torque. The short closing distanace of the disc leads to quick close and non-slam quite effect.
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





Wafer End Check Valve Gouup Show

Model NO.: H77H/Y-C, H77X, H77W

Δ Simple and compact structure.
Δ Light weight
Δ Smooth on&off
Δ Easy assembly and maintenance
Δ Reliable sealing performance.
Δ Zero leakage tightness with 20000 times on&off service life
Δ Minimized resistance with streamline structure
Δ Offset structure disc has small torque. The short closing distanace of the disc leads to quick close and non-slam quite effect.
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
Medium applicable | Water, Oil, Medium containing acid or alkali |
Main material | CAST IRON, ASTM A216 WCB, WCC, WC6, SS304, SS316, CF8, ETC. |
Temperature applicable | ≤250ºC |
Nominal Pressure | PN10~PN40(CL150~CL300) |
Nominal Diameter | DN80-DN1000 |
Face to Face Length | ANSI B16.10, API594,BS5155, ISO5752, DIN3352 etc. |





Wafer End Check Valve Gouup Show

