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Wilkins 720A-150 1.5 inch PVB Backflow Preventer

Wilkins WK720A-150 - 1-1/2 inch Pressure Vacuum Breaker Assembly

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Product Code: WK720A-150

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Description

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Wilkins WK720A-150 - 1-1/2" Pressure Vacuum Breaker

	Installation Specs
	WK720A-150
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	Not Available

WILKINS MODEL 720A PRESSURE VACUUM BREAKER ASSEMBLY:

Designed for installation on potable water lines to protect against backsiphonage of contaminated water into the potable water supply. Assembly shall provide protection where a potential health hazard exists.

Features & Benefits

Brass PVB Pressure Vacuum Breaker assembly. Includes: Ball valves (2) and test petcocks. Meets all state and federal requirements pertaining to PVB devices. Designed to Prevent Contaminated / Hazardous Water from getting back into your Drinking Water.

Specifications

Maximum working water pressure 150 PSI
Maximum working water temperature 110 degrees F
Hydrostatic test pressure 300 PSI
End connections threaded ANSI B1.20.1

Materials

Main valve body: Cast Bronze ASTM B584
Fasteners: Stainless Steel, 300 Series
Elastomers: Silicone (FDA approved); Buna Nitrile (FDA approved)
Polymers: Polypropylene (FDA approved); Delrin® (FDA approved)
Springs: Stainless Steel, 300 series

Standards Compliance

ASSE ® Listed 1020
IAPMO® Listed
CSA ® Certified
Approved by the Foundation for Cross-Connection
Control and Hydraulic Research at the University of Southern California

Dimensions

11" X 7-7/16" X 7-7/16" X 3-1/8"

Wilkins Model 720A Flow Characteristics Diagram

Typical Installation

Local codes shall govern installation requirements. Unless otherwise specified, the assembly shall be mounted at a minimum of 12" (305mm) above the highest piping or outlet downstream of the device. Install with adequate drain and sufficient side clearance for testing and maintenance. The installation shall be made so that no part of the unit can be submerged. A pressure vacuum breaker cannot be installed where back-pressure could occur or where spillage of water from vent could cause damage.