Style BU - Bushing Valve From Check All Valves

The Bushing Valve is a check valve with a standard bushing housing. The valve is adaptable to many types of service applications. It has very little restriction and produces a low pressure drop. It can be used quite effectively in systems where flow and pressure drop are critical  by the use of a reducer coupling. The Bushing Valve also makes an excellent vacuum breaker. The high flow rate insures maximum effectiveness for vacuum breaker service. By reversing the direction of flow it can also be used as a low-pressure relief valve.

The bushing thread sizes are designated by two sets of numbers; the first being the male thread, the second the female thread.

Nominal
Pipe Size
Style
Number
A Hex*
Size B
C D E Orifice
Diameter
1/2 - 3/8 BUD 1-9/32" 7/8" 1/4" 1/2 NPT 3/8 NPT 0.348
3/4 - 1/2 BUF 1-9/32" 1-1/8" 1/4" 3/4 NPT 1/2 NPT 0.464
1 - 3/4 BUH 1-13/16" 1-3/8" 1/2" 1 NPT 3/4 NPT 0.593
1-1/4 - 1 BUI 1-13/16" 1-3/4" 1/2" 1-1/4 NPT 1 NPT 0.890
1-1/2 - 1-1/4 BUJ 2-5/32" 2" 5/8" 1-1/2 NPT 1-1/4 NPT 1.135
2 - 1-1/2 BUK 2-5/32" 2-1/2" 5/8" 2 NPT 1-1/2 NPT 1.385
2-1/2 - 2 BUL 2-17/32" 3" 5/8" 2-1/2 NPT 2 NPT 1.555
3 - 2-1/2 BUM 3-3/32" 3-1/2" 1" 3 NPT 2-1/2 NPT 2.025

*May be larger and/or round.

Non-Shock Pressure - Temperature Rating
Material P-T Rating Max. Recommended Service Temp.
316 Stainless 3000 PSIG @ 100°F 700°F
Carbon Steel 3000 PSIG @ 100°F 700°F
Brass 3000 PSIG @ 100°F 400°F
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