Wafer Type Dual Disc Check Valve Rubber Flap Type Check Valve

• Media: Water
• Temperature: Ordinary Temperature
• Material: Cast Iron
• Connection Form: Wafer
• Structure: Swing
• Pressure: Ordinary Pressure
• Model NO.: DN40-DN800
• Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
• Sealing Form: EPDM
• Flow Direction: Reversing
• Standard: DIN
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Transport Package: Plastic Bag+Paper Cover+Plywood Cases
• Specification: ISO
• Trademark: CNBM
• Origin: China
• HS Code: 8481300000
• Production Capacity: 3, 000 PCS/Month.

Product Description

Technical Data
DN40-DN600mm PN1.0-1.6MPa
Body: Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel
Seat: EPDM, NBR, Stainless Steel
Stem: Stainless Steel
Disc: Ductile Iron with Nickel Coating, Ductile Iron with Nylon Coating, Stainless Stee 304/316L, Alu-Bronze
Spring: Stainless Steel
Flange Connection: DIN, ANSI, BS, JIS, UNIVERSAL FLANGE

Product Features:
Wafer body style fit between FF or RF flanges
Upper and lower PTFE thrust washers
Resilient Buna-N or EPDM Seats
Dual plate valves give maximum strength with minimum opening time
Torsion springs assist valve closure, preventing flow reversal
Thrust washer reduce friction and wear of valve plate hinges.



My company

CNBM INTERNATIONAL CORPORATION
Build your world with our materials.
We are a primary subsidiary of China National Building Material Group Co., Ltd.
CNBM Group is a central government-owned enterprise and a Fortune Global 500 company (Ranking 259th in 2017). It is the largest building material manufacturer and service provider in the world, with 15 publicly-listed companies and over 180,000 employees (2017).