MachineU > China Products > Tools & Hardware > Valve > Valves
Non Return Valve Stainless Steel Flange Check Valve Dual Plates Swing Check Valve
Non Return Valve Stainless Steel Flange Check Valve Dual Plates Swing Check Valve
Specifications
Payment Terms :
T/T,L/C,PayPal,
Pressure Rating :
PN16
Spring Material :
Stainless Steel 316
Brand Name :
Xidelong
Applicable Media :
Water, Oil, Gas
Packaging Details :
Export-grade plywood case with inner foam protection
Model Number :
H46W-16R
Working Temperature :
-29°C to 200°C
MOQ :
1 Piece
Delivery Time :
7-15 working days
Connection Type :
Wafer
Price :
USD 50-200 / Piece
Body Material :
Stainless Steel CF8M (316)
Supply Ability :
5000 Pieces per Month
Valve Type :
Dual Plate Wafer Check Valve
Certification :
ISO 9001:2015, CE
Disc Material :
Stainless Steel CF8M (316)
Place of Origin :
Zhejiang, China
Description

Non Return Valve Stainless Steel Flange Check Valve Dual Plates Swing Check Valve

The Xidelong Wafer Dual Plates Check Valve is a high-performance non-return valve engineered for reliable backflow prevention in demanding industrial pipeline systems. Featuring a robust stainless steel CF8M (A351 Grade 316) body and dual spring-loaded discs, this flange connection check valve delivers exceptional corrosion resistance, rapid closure, and maintenance-free operation across a wide range of applications.

Key Features

Feature Benefit
Dual Plate Spring-Loaded Design Torsion spring mechanism ensures instant, bubble-tight closure when flow reverses, preventing water hammer and system damage
CF8M Stainless Steel Body & Discs Superior corrosion and oxidation resistance; suitable for aggressive media including seawater, chemicals, and high-temperature fluids up to 200°C

Technical Specifications

  • Body & Disc Material: ASTM A351 CF8M (316 Stainless Steel),CF8/Dulplex Staineless2205/Dulplex Staineless2507
  • Seat Material: Virgin PTFE
  • Spring Material: Stainless Steel 316 (Inconel X-750 optional)
  • Connection Standard: EN 1092-1 PN16 / ASME B16.5 Class 150 flanges
  • Design Standard: API 594, EN 13709
  • Working Temperature: -29°C to +200°C (-20°F to +392°F)
  • Applicable Media: Water, hot water, steam, oil, gas, weak acids, organic solvents

Typical Applications

  • Water Treatment Plants: Pump discharge backflow prevention in raw water, treated water, and sludge lines
  • HVAC Systems: Chilled water, condenser water, and hot water circulation loops
  • Oil & Gas: Refinery process lines, tank farm piping, and fuel transfer systems
  • Marine & Shipbuilding: Ballast water systems, bilge discharge lines, firefighting mains
  • Chemical Processing: Corrosive media transfer where 316 SS compatibility is required
  • Power Generation: Cooling water circuits, auxiliary piping, condensate return lines

Quality Assurance

Every Xidelong dual plate check valve undergoes the following quality control procedures before shipment:

  • 100% shell pressure test per API 598 at 1.5x rated pressure
  • 100% seat leakage test at 1.1x rated pressure with zero visible leakage
  • Material certificate (EN 10204 3.1) for body, disc, and trim components
  • Dimensional inspection against API 594 face-to-face tolerances
  • Full traceability from melt lot to finished product

Contact us today for a competitive quotation, technical datasheet, or to request a sample for evaluation.

Non Return Valve Stainless Steel Flange Check Valve Dual Plates Swing Check ValveNon Return Valve Stainless Steel Flange Check Valve Dual Plates Swing Check Valve

Send your message to this supplier
Send Now

Non Return Valve Stainless Steel Flange Check Valve Dual Plates Swing Check Valve

Ask Latest Price
Product Detail
Payment Terms :
T/T,L/C,PayPal,
Pressure Rating :
PN16
Spring Material :
Stainless Steel 316
Brand Name :
Xidelong
Applicable Media :
Water, Oil, Gas
Packaging Details :
Export-grade plywood case with inner foam protection
Contact Supplier
Non Return Valve Stainless Steel Flange Check Valve Dual Plates Swing Check Valve

Wenzhou Xidelong Valve Co. LTD

Verified Supplier
8 Years
zhejiang, wenzhou
Since 2007
Business Type :
Manufacturer, Distributor/Wholesaler, Agent, Importer, Exporter, Trading Company, Seller, Other
Main Products :
Flanged Ball Valve, Stainless Steel Ball Valve, Wafer Check Valve
Total Annual :
1000000-100000
Employee Number :
>100
Certification Level :
Verified Supplier
Discover similar products
View More

Find Similar Products By Category:

Supplier Homepage Products Wafer Check Valve
MachineU China Products Tools & Hardware Valve Valves
Contact Supplier
Submit Requirement