Wafer Type Dual Plate Check Valve

PN10/PN16/CL125LB
1-1/2″~28″ (40~700mm)
Cast Iron, Ductile Iron

get a quote

Wafer Type Dual Plate Check Valve Descriptions

Wafer type dual plate check valve is one type of non-return valve with two torsion springs added to each of pair valve plates, which close the plates quickly and automatically, preventing the mediums from flowing back. Wafer dual plate check valve can be mounted between the two pipes in both horizontal and vertical directions. Wafer type dual plate check valve has features of compact structure, light weight and bidirectional. Flowspec Luokai can manufacture the wafer type dual plate check valve in accordance with API594 with material of cast iron, ductile iron and bronze.

1. FEATURES

  • Small in size, light weight, compact structure, easy maintenance
  • Quick action prevents of medium back flow
  • Short face to face and good rigidity
  • Easy installation, can be mounted horizontally and vertically
  • Tightly sealed, without leakage
  • Safe and reliable operation, high interference-resistance

3. STANDARDS

  • Design & manufacturing: API594
  • Face to face: ANSI B16.10, EN 558-1 series 16
  • Matching flanges: GB/T17241.6, ANSI B16.1/5, EN 1092, JIS10K, AS 2129
  • Inspection & testing: API598, GB13927

2. TECHNICAL SPECIFICATIONS

  • PN10 / PN16 / 125LB / 150LB / JIS10K / 150PSI / 200PSI
  • Size: 1-1/2″~28″ (40~700mm)
  • Materials: A126 B (GG25), A536 65-45-12 (GGG40), A216 WCB, S.S.304(CF8), S.S.316(CF8M), B148 C95400
  • Epoxy coating with thickness ≥ 250μm
  • Applicable medium: water, sewage, sea water, air, steam, oils, food, corrosive liquids
  • Applicable temperature: -15℃~+150℃ (higher temperature is available upon request)

4. APPLICATIONS

  • Water works, water projects
  • Environment protection
  • Public facilities
  • Power plant
  • Building industry, real estate
  • Petroleum, chemical industry
  • Steel work, metallurgy
  • Food & beverage
  • Water treatment plant

Why Choose Flowspec Luokai

45+ Years Experience

Founded in 1978, manufacturing industrial valves for over four decades with proven reliability worldwide.

Global Certifications

ISO 9001, CE/PED, WRAS, FM, UL, API approved — compliant with international quality and safety standards.

OEM Custom Solutions

Flexible design and manufacturing per your specifications — material, size, pressure, actuation tailored to project needs.

Worldwide Delivery

Exported to 5 continents — North & South America, Europe, Middle East, Southeast Asia, and Africa.

Our Service Promise

Strict Quality Control

Every valve tested to API 598, EN 12266 before shipment

Timely Global Delivery

Reliable logistics to 5 continents with secure packaging

OEM & Custom Design

Tailored material, size, pressure and actuation to your specs

Dedicated After-Sales

Technical support and service throughout product lifecycle

WANT TO GET A QUOTE?

Leave Your Message Below.

Please prove you are human by selecting the Plane.

contactOr give us a email at

sales@lokvalve.com