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Waterworks

Irrigation

Wilkins 700 Dual Check Valve

The Zurn Wilkins 700 Dual Check Valve Assembly protects against backsiphonage and backpressure of polluted water. The 700 is suitable for low hazard non-potable applications.

PRODUCT CODE:
X UF XXX
SIZE RANGE:
20-25mm

FEATURES AND BENEFITS

  • Perfect for isolation protection applications
  • Protects against backflow of pollutants
  • Can be configured with union on inlet or outlet

Specifcations

The Dual Check Valve Backflow Preventer shall be ASSE® Listed 1024. The main body shall be cast bronze (ASTM B 584), the check assemblies shall be NORYL ® (1/4”-1/2”) or DELRIN ® (3/4”-1”). The seal ring and orings

shall be Buna Nitrile. The Dual Check Valve shall be a ZURN WILKINS Model 700.

Application

Designed for installation on water lines to protect against both backsiphonage and backpressure of polluted water into the potable water supply. The Model 700 shall provide protection where a potential health hazard does not exist.

Engineering Specification

  • Designed for installation on water lines
  • Protects against both back siphonage and back pressure of polluted water into the potable water supply
  • Provides protection where a potential health hazard does exist
  • Installation should be governed by local codes
  • The check valve should be installed so that no part of the unit can be submerged

Features

Sizes: 1/4", 3/8", 1/2", 3/4", 1", 1-1/4"

Max. pressure: 175 PSI

Max. temp: 180°F

Connections: Threaded ANSI B 1.20.1

Copper sweat ANSI B 16.22

Meter thread ANSI B 1.20.7

Connections Legend

Meter Thread Connections When ordering a Model 700 with meter thread connections, order the connection one size larger than the water meter. For example, if your water meter is 1/2” or 5/8” your connection size would be a 3/4” meter thread. If the water meter is 5/8” x 3/4” or 3/4”, your connection size would be 1” meter thread.

Connections Legend

Flow Characteristics

Typical Installation

Local codes shall govern installation requirements. Unless otherwise specified, the installation shall be in accordance with the manufacturer’s instructions and the latest edition of the Uniform Plumbing Code. The installation shall be made so that no part of the unit can be submerged.

Size

Manual
Datasheet
Engineering Data

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Product code

Wilkins 700 Dual Check Valve

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