Vacuum-Breaking Valves | McMaster-Carr

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Pipe Size

For Use With

Chlorinated Water

Ethylene Glycol

Body Material

Stainless Steel

Thread Type

Maximum Pressure @ Temperature

125 psi @ 70° F

300 psi @ 70° F

1,500 psi @ 70° F

100 psi @ 75° F

85 psi @ 140° F

Gender

Shape

Fitting Connection

Operation Type

Maximum Temperature

Mounting Position

Connects To

Inlet Pipe Size

Valve Type

For Manufacturer

American Standard

End-to-End Length

Fitting Type

Connection Port

DFARS Specialty Metals

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

REACH

Seal Material

Fluoroelastomer

Silicone Rubber

Component

1 1/2 Pipe Size Spud Coupling Assembly

1 1/2 Pipe Size × 13 1/2" Lg. Vacuum Breaker and Pipe

1 1/2 Pipe Size × 21 1/2" Lg. Vacuum Breaker and Pipe

1 1/2 Pipe Size × 24 1/2" Lg. Vacuum Breaker and Pipe

1 1/2 Pipe Size × 24" Lg. Vacuum Breaker and Pipe

1 1/2 Pipe Size × 3" Lg. Vacuum Breaker and Pipe

1 1/2 Pipe Size × 8 1/2" Lg. Vacuum Breaker and Pipe

1 1/2 Pipe Size × 9" Lg. Vacuum Breaker and Pipe

1 1/2" Coupling Assembly

1 1/2" Spud Coupling Assembly

1 1/4 Pipe Size Spud Coupling Assembly

1 1/4 Pipe Size × 8 1/2" Lg. Vacuum Breaker and Pipe

1 1/4 Pipe Size × 9" Lg. Vacuum Breaker and Pipe

3/4 Pipe Size Spud Coupling Assembly

3/4 Pipe Size × 15" Lg. Vacuum Breaker and Pipe

Water per Flush

Flow Coefficient (Cv)

How can we improve?

124 Products

Fluid Handling

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When pressure drops, vents open to prevent suction from drawing liquid back upstream

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Draw liquids out of drums, pails, and other small containers

Facility and Grounds Maintenance

Garden Hose Faucets

Garden Hose Faucets

Connect garden hose to lines coming from a building or the ground

Air Admittance Valves

Air Admittance Valves

Allow air into drain, waste, and vent systems so you don't have to vent plumbing to the outdoors

Flush Valve Replacement Parts

Flush Valve Replacement Parts

Replace virtually any part in the most common flush valve brands

Urinal Flush Valves

Urinal Flush Valves

Release water from a plumbing line into the urinal bowl

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)