Deringer

Model

Model 40G

Description
Specification
Parts Breakdown

The Deringer Model 40G is a reduced pressure assembly (RPA). It is available in 2 1/2″-4″ and 8″ sizes and has been in production since 2018. The body is made of stainless steel.

Spec Sheet

Parts Breakdown

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product
4″ Ring Gasket/Bolt Set

Part #: GSNAG4
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product
1st and 2nd Check Rubber Rebuild

Part #: BFD-1140
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product
4″ Model 40G w/ OSY

Part #: D40Y-4
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product
Air Gap

Part #: BFD-0100
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product
4″ Flg Gasket/Bolt Set

Part #: GSFFG4
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product
Test Cock

Part #: TC-MF-7575
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product
1st Check Assembly

Part #: BD-4300
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product
Relief Valve Assembly

Part #: BD-4400-12
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product
Relief Valve Rubber Rebuild

Part #: BFD-1400
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product
Test Cock

Part #: TC-MF-5050
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product
2nd Check Assembly

Part #: BD-4200
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product
Complete Rubber Rebuild

Part #: BFD-1140
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product
Backflow Preventer Repair Manual

Part #: BFCAT
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Deringer

Model 40G

Select

4″ Ring Gasket/Bolt Set

1st and 2nd Check Rubber Rebuild

4″ Model 40G w/ OSY

Air Gap

4″ Flg Gasket/Bolt Set

Test Cock

1st Check Assembly

Relief Valve Assembly

Relief Valve Rubber Rebuild

Test Cock

2nd Check Assembly

Complete Rubber Rebuild

Backflow Preventer Repair Manual