Wilkins Model 375 & 375A Reduced Pressure Principle Assembly Backflow Preventer

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Wilkins Reduced Pressure Principle Assembly Backflow Preventer

Specification Sheet

Wilkins Model 375 & 375A Reduced Pressure Principle Assembly Backflow Preventer

Designed for installation on potable water lines to protect against both backsiphonage and backpressure of contaminated water into the potable water supply. The Model 375A provides protection where a potential health hazard exists. Ideal for use where lead-free* valves are required.

Maximum working water pressure 175 PSI
Maximum working water temperature 140F
Hydrostatic test pressure 350 PSI
End connections (Grooved for steel pipe) AWWA C606
(Flanged) ANSI B16.1

Stock #	Description	Price	Qty.
212-375	2-1/2" Reduced Pressure Principle Assembly Backflow Preventer	$1,476.92
3-375	3" Reduced Pressure Principle Assembly Backflow Preventer	$1,511.38
3-375OSY	3" Reduced Pressure Principle Assembly Backflow Preventer w/OSY	$1,654.31
4-375	4" Reduced Pressure Principle Assembly Backflow Preventer	$1,716.77
4-375OSY	4" Reduced Pressure Principle Assembly Backflow Preventer w/OSY	$2,077.01
3-375A	3" Reduced Pressure Principle Assembly Backflow Preventer Lead Free	$1,511.38
3-375AOSY	3" Reduced Pressure Principle Assembly Backflow Preventer w/OSY Lead Free	$1,654.31
4-375A	4" Reduced Pressure Principle Assembly Backflow Preventer Lead Free	$1,716.77
4-375AOSY	4" Reduced Pressure Principle Assembly Backflow Preventer w/OSY Lead Free	$2,077.01
6-375A	6" Reduced Pressure Principle Assembly Backflow Preventer Lead Free	$3,095.97
6-375AOSY	6" Reduced Pressure Principle Assembly Backflow Preventer w/OSY Lead Free	$3,242.54

Specifications

TYPICAL INSTALLATION
Local codes shall govern installation requirements. Unless otherwise specified, the assembly shall be mounted at a minimum of 12" (305mm) and a maximum of 30" (762mm) above adequate drains with sufficient side clearance for testing and maintenance. The installation shall be made so that no part of the unit can be submerged.

SPECIFICATIONS
The Reduced Pressure Principle Backflow Prevention Assembly shall be ASSE Listed 1013, and supplied with full port gate valves. The main body and access cover shall be epoxy coated ductile iron (ASTM A 536 Grade 4), the seat ring and check valve shall be NORYL, the stem shall be stainless steel (ASTM A 276) and the seat disc elastomers shall be EPDM. The checks and the relief valve shall be accessible for maintenance without removing the device from the line. The Reduced Pressure Principle Backflow Prevention Assembly shall be a WILKINS Model 375A.

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