Wilkins

Model

350AST

Description
Specification
Parts Breakdown

The Wilkins 350AST is a double check assembly (DCA). It is available in 2 1/2″-10″ sizes and has been in production since 2011. The body is made of stainless steel. Parts are not interchangeable between the 350/350A and the 350AST.

Spec Sheet

Parts Breakdown

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8″ Ring Gasket/Bolt Set

Part #: GSNAG8
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6″ Ring Gasket/Bolt Set

Part #: GSNAG6
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4″ Ring Gasket/Bolt Set

Part #: GSNAG4
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3″ Ring Gasket/Bolt Set

Part #: GSNAG3
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2.5″ Ring Gasket/Bolt Set

Part #: GSNAG2.5
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10″ Ring Gasket/Bolt Set

Part #: GSNAG10
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Test Cock

Part #: 850BVLF-34
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Test Cock

Part #: 850BVLF-12
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10″ 350AST w/ BFG

Part #: 350ASTBG-10
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10″ 350AST w/ OS&Y

Part #: 350ASTY-10
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8″ 350AST w/ BFG

Part #: 350ASTBG-8
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8″ 350AST w/ OS&Y

Part #: 350ASTY-8
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6″ 350AST w/ BFG

Part #: 350ASTBG-6
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6″ 350AST w/ OS&Y

Part #: 350ASTY-6
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4″ 350AST w/ BFG

Part #: 350ASTBG-4
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4″ 350AST w/ OS&Y

Part #: 350ASTY-4
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3″ 350AST w/ BFG

Part #: 350ASTBG-3
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3″ 350AST w/ OS&Y

Part #: 350ASTY-3
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2 1/2″ 350AST w/ BFG

Part #: 350ASTBG-25
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2 1/2″ 350AST w/ OS&Y

Part #: 350ASTY-25
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10″ Flange x Groove Adapter

Part #: FP8-10
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10″ Flg Gasket/Bolt Set

Part #: GSFFG10
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8″ Flange x Groove Adapter

Part #: 7010456
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8″ Flexible Grooved Coupling

Part #: GCC-8
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8″ Flg Gasket/Bolt Set

Part #: GSFFG8
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6″ Flange x Groove Adapter

Part #: 7010455
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6″ Flexible Grooved Coupling

Part #: GCC-6
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6″ Flg Gasket/Bolt Set

Part #: GSFFG6
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4″ Flange x Groove Adapter

Part #: 7010453
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4″ Flexible Grooved Coupling

Part #: GCC-4
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4″ Flg Gasket/Bolt Set

Part #: GSFFG4
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3″ Flange x Groove Adapter

Part #: 7010452
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3″ Flexible Grooved Coupling

Part #: GCC-3
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3″ Flg Gasket/Bolt Set

Part #: GSFFG3
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2 1/2″ Flange x Groove Adapter

Part #: 7010451
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2 1/2″ Flexible Grooved Coupling

Part #: GCC-25
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2-1/2″ Flg Gasket/Bolt Set

Part #: GSFFG2.5
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2nd Check Assembly

Part #: RK10-350ASTCK2
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1st Check Assembly

Part #: RK10-350ASTCK1
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2nd Check Assembly

Part #: RK8-350ASTCK2
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1st Check Assembly

Part #: RK8-350ASTCK1
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Complete Rubber Rebuild

Part #: RK8-350
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2nd Check Retainer (Bag of 2)

Part #: 3510ST-140x2
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2nd Check Assembly

Part #: RK6-350ASTCK2
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1st Check Retainer

Part #: 3510ST-14B
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1st Check Assembly

Part #: RK6-350ASTCK1
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Complete Rubber Rebuild

Part #: RK6-350
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Complete Rubber Rebuild

Part #: RK6-350
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2nd Check Assembly

Part #: RK4-350ASTCK2
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2nd Check Retainer (Bag of 2)

Part #: 3509ST-140x2
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2nd Check Assembly

Part #: RK212-350ASTCK2
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1st Check Retainer

Part #: 3509ST-14B
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1st Check Assembly

Part #: RK4-350ASTCK1
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Complete Rubber Rebuild

Part #: RK4-350
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Complete Rubber Rebuild

Part #: RK4-350
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Outlet Shutoff Valve

Part #: 850BVLF-34
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Outlet Shutoff Valve

Part #: 850BVLF-12
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Backflow Preventer Repair Manual

Part #: BFCAT
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Wilkins

350AST

Select

8″ Ring Gasket/Bolt Set

6″ Ring Gasket/Bolt Set

4″ Ring Gasket/Bolt Set

3″ Ring Gasket/Bolt Set

2.5″ Ring Gasket/Bolt Set

10″ Ring Gasket/Bolt Set

Test Cock

Test Cock

10″ 350AST w/ BFG

10″ 350AST w/ OS&Y

8″ 350AST w/ BFG

8″ 350AST w/ OS&Y

6″ 350AST w/ BFG

6″ 350AST w/ OS&Y

4″ 350AST w/ BFG

4″ 350AST w/ OS&Y

3″ 350AST w/ BFG

3″ 350AST w/ OS&Y

2 1/2″ 350AST w/ BFG

2 1/2″ 350AST w/ OS&Y

10″ Flange x Groove Adapter

10″ Flg Gasket/Bolt Set

8″ Flange x Groove Adapter

8″ Flexible Grooved Coupling

8″ Flg Gasket/Bolt Set

6″ Flange x Groove Adapter

6″ Flexible Grooved Coupling

6″ Flg Gasket/Bolt Set

4″ Flange x Groove Adapter

4″ Flexible Grooved Coupling

4″ Flg Gasket/Bolt Set

3″ Flange x Groove Adapter

3″ Flexible Grooved Coupling

3″ Flg Gasket/Bolt Set

2 1/2″ Flange x Groove Adapter

2 1/2″ Flexible Grooved Coupling

2-1/2″ Flg Gasket/Bolt Set

2nd Check Assembly

1st Check Assembly

2nd Check Assembly

1st Check Assembly

Complete Rubber Rebuild

2nd Check Retainer (Bag of 2)

2nd Check Assembly

1st Check Retainer

1st Check Assembly

Complete Rubber Rebuild

Complete Rubber Rebuild

2nd Check Assembly

2nd Check Retainer (Bag of 2)

2nd Check Assembly

1st Check Retainer

1st Check Assembly

Complete Rubber Rebuild

Complete Rubber Rebuild

Outlet Shutoff Valve

Outlet Shutoff Valve

Backflow Preventer Repair Manual