Specifications

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PRESSURE REGULATORS
Wilkins is synonymous with quality in the water pressure reducing valve industry. When you purchase, specify, or install a
Wilkins PRV you are selecting the most reliable regulator in the industry!
WILKINS CONTROL VALVES
Wilkins automatic control valves provide innovative solutions to specific water system requirements!
BACKFLOW PREVENTERS
Wilkins backflow preventers offer the best value backflow prevention on the market. From single checks to vacuum breakers
to backflow assemblies, Wilkins has what you need. And with our multiple configurations Wilkins makes your installation easy
which in turn saves you money and time.
In addition to ease of installation and maintenance Wilkins offers many options for large backflow.
Follow this simple guide and you can build a Wilkins backflow part number to fit your needs:
Example: 4-375AOSYPIFG
(size)-(model number) (“A” =grooved body or no letter = standard flanged body) (DA =Detector Assembly)
(inlet shutoff =”OSY”, “PI”, “NRS”, or “BGVIC”) (outlet shutoff = “OSY”, “PI”, “NRS”, “BGVIC” or nothing if same
as inlet) (inlet connection “G”=grooved or “F”=flanged) (outlet connection “G”=grooved or “F”=flanged)
BACKFLOW ACCESSORIES & SECURITY PRODUCTS
STRAINERS
Help keep your valve clean with a Wilkins Strainer!
THERMOSTATIC MIXING VALVES
The Wilkins Thermostatic Mixing Valve helps in keeping people safe from scalding injuries while allowing the
temperatures to remain high enough to inhibit the growth of bacteria. In addition to safety, it also helps save money and
energy by allowing you to turn up your water heater thermostat without risk of injury.
TEMPERATURE AND PRESSURE RELIEF VALVES
MISCELLANEOUS PLUMBING PRODUCTS
FIRE VALVES
Wilkins Pressure-Tru fire system valves. A reliable choice in the Fire Industry!
PRODUCT LOCATOR
4 inch
375 RP
Grooved body
OSY gate on inlet
Post Indicating gate on outlet
Flanged inlet
Grooved outlet
4 375 A OSY PI F G