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United Water Products
Butterfly Valve, Double Eccentric - AWWA C504 - DI-Model 3975-F - Item # Butterfly Valve, Double Eccentric -AWWA C504 - United Water Products
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Model 3975-F Data Sheet

Model 3975-F Maintenance and Operation Manual

Butterfly Valve, Double Eccentric - AWWA C504 - DI-Model 3975-F

AWWA Certified

AWWA Double Eccentric Butterfly Valve

with Manual Gear Operator

Class 150B and Class 250B



Flanged Ends


Butterfly Valves are a significant component of any water distribution system or treatment plant operation. Ductile iron bodies translate into pure strength achieving three times that of Cast Iron alone.  After Fusion Bonding, the seat is vulcanized to the body making a very corrosion resistant valve.



  1. Valves comply with AWWA C504.

  2. Stainless steel 304 seat.

  3. EPDM/NBR ring clamped on disc.

  4. Actuator-ready with top-flange in accordance with ISO 5211-1.

  5. Operated by gearbox with nut or handwheel    

  6. Flange to ANSI B16.1 Class 125

  7. Face to Face dimensions conforms to AWWA C504 Short Body

  8. Shaft Diameter Class 75B

  9. Working Pressure:  150 psi WWP-Class 150B and 250 psi WWP-Class 250B

 10. Working Temperature:   -10°C to 120°C for EPDM                                                                                                          -10°C to 82°C for NBR

11. Inside and outside liquid epoxy painting or fusion bonded epoxy

      powder coated (FBE) to C550

Product variations and sizes




Double Eccentric Butterfly Valve

Model 3975-F


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(877) 766-4459

To learn more about pricing, product customizations, delivery times and more, please call United Water Products directly at (877) 766-4459 or send us an email through our Contact form.

United Water Products

Valves, hydrants and pipeline accessories for Water Works and Fire Protection


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