Advance Tabco
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Campbell
Campbell Nonadjustable Relief Valve 1/2 In 75 psi
Brass non-adjustable relief valve with 1/2 in NPT connections, factory-set at 75 psi for liquid by-pass or thermal expansion up to 120 °F
- TypeOther
- Nonadjustable 75 psi setting protects systems from over-pressure
- Brass body with 304 stainless spring resists corrosion up to 120 °F
- 1/2 in MNPT inlet and FNPT outlet fit standard piping
- ANSI/ASME B 1.20.1-2013 threads ensure leak-free connections
- Compact 1 1/2 in length allows installation in tight spaces
Campbell Nonadjustable Relief Valve 1/2 In 75 psi
This Campbell relief valve is a brass safety component designed for liquid bypass or thermal expansion protection in plumbing systems. It operates at a factory-set pressure of 75 psi with a temperature range up to 120 degrees F. The unit features 1/2 inch MNPT inlet and FNPT outlet connections.
Suited for fixed-pressure safety relief
Installers needing a nonadjustable, code-compliant valve for water-heater thermal expansion or pump bypass duties will find this part appropriate. It is not intended for applications requiring adjustable pressure settings, higher pressure ratings, gas service, or temperatures exceeding the stated limit.
Factory-set 75 psi pressure rating
The single specification that determines fit is the nonadjustable 75 psi relief setting. Verify that the system design calls for this exact pressure and that the 1/2 inch NPT thread forms match the existing piping before purchase.
Highlights
- Nonadjustable 75 psi setting protects systems from over-pressure
- Brass body with 304 stainless spring resists corrosion up to 120 °F
- 1/2 in MNPT inlet and FNPT outlet fit standard piping
- ANSI/ASME B 1.20.1-2013 threads ensure leak-free connections
- Compact 1 1/2 in length allows installation in tight spaces
Specifications
| Brand | CAMPBELL |
|---|---|
| Type | Other |
Questions about this item
How can I verify the Campbell 1/2 in relief valve is operating correctly after installation?
Watch for discharge when system pressure reaches the factory-set 75 psi; the brass body and 304 stainless spring should reseat cleanly once pressure drops below that level.
What comes with the valve and what must I source separately?
The valve itself includes the brass body, brass seat and 304 stainless spring; a test lever is not included and must be purchased separately if required.
Which version of this non-adjustable relief valve should I choose for a hot-water system?
Select the 75 psi model with 1/2 in MNPT inlet and FNPT outlet; it is rated up to 120 °F and built to ANSI/ASME B 1.20.1-2013 for liquid by-pass or thermal-expansion duty.
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