Wafer Butterfly Tilting Disc Non Return Swing Check Valve (H77)

• Material: CS, Ss, Brass, Chrome-Molybdenum Steel
• Connection Form: Wafer
• Structure: Swing
• Pressure: Ordinary Pressure
• Function: Nrvr Silence, Nrvz Silence, Nrvg Silence
• Sealing Form: Rubber Sealing / Metal Sealing
• Model NO.: H77H/Y-C, H77X, H77W
• Flow Direction: Unidirection
• Standard: ANSI, API, DIN, BS, GB etc
• Application: Industrial Usage, Water Industrial Usage
• Certificate: ISO, Ce
• Pressure Rating: Pn10~Pn40(Cl150~Cl300)
• Medium Applicable: Water, Oil, Medium Containing Acid or Alkali
• Transport Package: Bubble Plastic Paper + Plywood Case
• Specification: DN80 ~ DN1000
• Trademark: KARFAR
• Origin: China
• HS Code: 84813000
• Production Capacity: 5.000pcs/month

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
 

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