Swing-Flex® Check Valve

The Swing-Flex® Check Valve is the valve of choice based on its simple maintenance-free design, low headloss and non-slam characteristics. The valve's smooth, unrestricted full flow design makes it an excellent choice for slurries and sludge, even in vertical flow up applications.

Product Overview

  • Available in sizes 2" - 48"
  • Ductile Iron Construction for 250 PSI service
  • 100% Flow area
  • Energy efficient
  • Fusion Bonded Epoxy - interior and exterior
  • Domed Access Cover
  • One moving part for long valve life
  • 25 Year Disc Warranty
  • Manufactured under a certified ISO 9001 quality system

Certifications

Features

  • Tested for One Million Cycles per AWWA C508
  • SCADA Compatible Limit Switch Assembly
  • Non-Slam Closing Action - short 35° stroke
  • Reinforced Disc - memory flex disc with 25 year warranty
  • Mechanical Indicator
  • Backflow Actuator - field installable
  • Stainless Steel Construction available with viton disc
  • Viton, Natural Rubber, Hypalon EPDM Disc Materials available
  • Welded Nickel Seat available
  • Bottom Mounted Oil Dashpot available
  • Glass Lining available
  • Rubber Lining available for abrasive and corrosive service

Specifications

Valve Size Product Description Drawing Number
2" - 48" 500A Swing-Flex® Check Valve VM-500A-S

Materials of Construction

Valve Size Product Description Drawing Number
2" - 48" 500A Swing-Flex® Check Valve VM-502A-M
2" - 48" 500A Swing-Flex® Check Valve - Back Flow Actuator VM-502ABF-M
2" - 48" 500A Swing-Flex® Check Valve - Back Flow Actuator, Mechanical Indicator VM-502ABFMI-M
3" - 48" 500A Swing-Flex® Check Valve - Mechanical Indicator VM-503AMI-M
2" - 36" 500XD Swing-Flex® Check Valve (AIS Compliant) VM-504XD-M
3" - 12" 500.6 Swing-Flex® Check Valve - Stainless Steel SS-2137

Dimensions

Valve Size Product Description Drawing Number CAD Version
2" - 48" 500A Swing-Flex® Check Valve VMC-502A CAD-502A
2" - 48" 500A Swing-Flex® Check Valve - Back Flow Actuator VMC-502ABF CAD-502ABF
2" - 48" 500A Swing-Flex® Check Valve - Back Flow Actuator, Mechanical Indicator VMC-502ABFMI CAD-502ABFMI
2" - 42" 500ARL Swing-Flex® Check Valve - Resilient Lining VMC-502ARL CAD-502ARL
3" - 48" 500A Swing-Flex® Check Valve - Mechanical Indicator VMC-503AMI CAD-503AMI
3" - 12" 500.6 Swing-Flex® Check Valve - Stainless Steel SS-2137  
8" - 12" 500DG Swing-Flex® Check Valve - Digester Gas Service SS-1432  
3" - 48" 500 Swing-Flex® Check Valve - Indicator with Limit Switch SS-1721  
4" - 36" 500XD Swing-Flex® Check Valve (AIS Compliant) VM-504XD  
4" - 36" 500XD Swing-Flex® Check Valve - Backflow Actuator (AIS Compliant) VM-504BFXD  
2" - 36" 500XD Swing-Flex® Check Valve - Backflow Actuator, Mechanical Indicator (AIS Compliant) VM-503BFMIXD  

Manuals

Valve Size Product Description Drawing Number
2" - 48" Swing-Flex® Check Valve SFCV-OM1
2" - 48" Swing-Flex® Check Valve - Spanish SFCV-OM1-SP

Technical Data

Product Description Drawing Number  
Features & Performance Comparison White Paper  
Cycle Test Report Report  
Proof of Performance Test Document  
Fusion Bonded Epoxy Coating SS-1847  
Application Chart Chart  
Headloss Chart SS-902  
Dynamic Characteristics of Various Check Valves SS-1886  
Dynamic Characteristics of Swing-Flex® Check Valves SS-1466  
Val-Matic Swing-Flex® Check Valve VS. Ball Check Valves SS-912  
Swing Flex® Check Valve Installation PDF CAD