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.

Request a Quote

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 on the flex portion of the disc
Manufactured under a certified ISO 9001 quality system

Certifications

NSF 372 Certified Lead-Free
NSF 61 Certified for Drinking Water
Meets AWWA C508 requirements

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

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-500A-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" - 48"	500A Swing-Flex® Check Valve - W/Oil Cushion	VM-506AB-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
2" - 48"	500A Swing-Flex® Check Valve - w/Oil Cushion	VMC-506AB	CAD-506AB
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	CAD-504XD

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
Design and Selection of Check Valves	White Paper
Dynamic Characteristics of Check Valves	White Paper
Cam-Centric® Plug Valve & Swing-Flex®/Surgebuster® Check Valves for Industrial Applications	Webinar
Swing Flex® Check Valve Installation	PDF	CAD