Midland Industries
Midland AWWA C508 Flanged Swing Check Valve with Lever & Weight - Ductile Iron
- Availability:
- Allow 1-2 Business Days to Ship
- Weight:
- 0.00 LBS
Description
AWWA Swing Check Valve Flanged with Lever and Weight
ASC Series 22FCW AWWA Swing Check Valve is a flanged ductile iron check valve with an external lever and weight designed for dependable prevention of reverse flow in waterworks and compatible piping systems.
The valve features a ductile iron body and disc, EPDM resilient disc seat ring, bronze seat, lever-and-weight assembly, and fusion-bonded epoxy coating. Series 22FCW is rated for 300 PSI cold working pressure and conforms to AWWA C508.
Product Highlights
- ASC Series 22FCW
- 300 PSI CWP
- Lever and weight design
- Flanged end connections
- EPDM resilient disc
- Conforms to AWWA C508
Technical Specifications
| Product Type | AWWA Swing Check Valve with Lever & Weight |
|---|---|
| Brand | ASC / SCI |
| Series | 22FCW |
| Body Material | Ductile Iron ASTM A536 Grade 65-45-12 |
| End Connection | Flanged |
| Pressure Rating | 300 PSI CWP |
| Disc | Ductile Iron ASTM A536 Grade 65-45-12 |
| Disc Seat Ring | EPDM |
| Seat | Bronze ASTM B62 C83600 |
| Weight | Ductile Iron ASTM A536 Grade 65-45-12 |
| Lever Arm | Cast Steel ASTM A216 Grade WCB |
| Coating | Fusion-Bonded Epoxy, AWWA C550 |
| Standards | AWWA C508 / MSS-SP-71 |
| Compliance | NSF/ANSI 372-2011 |
Construction Details
Series 22FCW uses a ductile iron ASTM A536 Grade 65-45-12 body, bonnet, disc, clapper arm, retainer washer, and external weight.
The sealing assembly includes an EPDM resilient disc seat ring and bronze ASTM B62 C83600 seat, along with EPDM O-rings and a PTFE gasket.
The external assembly uses a cast steel ASTM A216 Grade WCB lever arm, ductile iron weight, stainless steel hardware, bronze shaft components, and an AISI 410 stainless steel hinge pin.
Lever & Weight Design & Typical Applications
Valve Design
- Swing check operation
- External lever and weight
- EPDM resilient disc seal
- Bronze body seat
- Spring kits available
Typical Applications
- Municipal water distribution
- Pump discharge piping
- Water treatment systems
- Utility water systems
- Industrial water piping
Installation & Selection Considerations
- Confirm the required valve size.
- Verify mating flange compatibility.
- Confirm the correct flow direction.
- Allow clearance for the lever.
- Confirm 300 PSI suitability.
Use the supplied AWWA C508 document to review swing check valve construction and technical information when confirming the proper valve for your waterworks piping system.
Need Help Selecting an AWWA Swing Check Valve with Lever and Weight?
Need help confirming valve size, flange compatibility, pressure requirements, lever-and-weight configuration, or flow direction? The GetPipe.com Team can help.
Frequently Asked Questions
What is the ASC series for this valve?
This flanged AWWA swing check valve with lever and weight is ASC Series 22FCW.
What is the pressure rating?
Series 22FCW is rated for 300 PSI cold working pressure.
What material is the valve body?
The valve body is ductile iron ASTM A536 Grade 65-45-12.
What is the purpose of the lever and weight?
The external lever and weight work with the swing-check mechanism and provide an external weighted closure arrangement.
What sealing materials are used?
The valve uses an EPDM resilient disc seat ring with a bronze ASTM B62 C83600 seat.
Does Series 22FCW meet AWWA C508?
Yes. ASC specifies Series 22FCW as conforming to AWWA C508 and meeting MSS-SP-71.
Are spring kits available for this valve?
Yes. ASC lists spring kits as an available option for Series 22FCW.
What should I confirm before ordering?
Confirm valve size, mating flanges, pressure requirements, flow direction, lever clearance, and intended service.
Important Ordering & Installation Notes
- Confirm the required valve size.
- Verify mating flange compatibility.
- Install in the correct flow direction.
- Provide lever and weight clearance.
- Follow applicable AWWA practices.
