Nibco, Inc. 1/2" FNPT Brass Gas Ball Valve
Brass inline ball valve with 1/2 inch FNPT connections for gas service
- Brass body resists corrosion in gas lines
- 1/2 inch FNPT ends fit standard piping
- Full-port ball allows unrestricted gas flow
- Quarter-turn handle gives quick on/off control
- Carbon-steel components add mechanical strength
Product Identity
The Nibco GB1A is a 1/2-inch FNPT brass gas ball valve designed for inline installation in residential or light-commercial fuel-gas piping systems. Its brass body and female-threaded connections suit plumbers and HVAC technicians who need a reliable quarter-turn shut-off for natural gas or propane lines. The valve is supplied new and ready for immediate use.
Installation Notes
The valve threads directly onto 1/2-inch male NPT pipe ends using standard pipe sealant approved for gas service. Because the body is brass, installers should avoid over-tightening which can distort the seats or crack the casting. Leaks most often occur when thread sealant is omitted or applied to the wrong threads, so follow local code and manufacturer guidance carefully.
Suitability
This valve fits projects requiring a 1/2-inch FNPT x FNPT brass ball valve for gas distribution. It is not intended for water-service applications, high-pressure hydraulic systems, or pipe sizes other than 1/2 inch. Buyers needing a different connection type, larger bore, or a valve certified for potable water should select an alternative model.
How it compares
Measured against everything we stock in Faucet Valves & Replacement Parts, at today’s prices. Recalculated every night.
- Price $9.99
- Cheaper than about 93% of the 1,132 comparable items (median $54.99).
Specifications
| Product | |
|---|---|
| Brand name | NIBCO |
| Product type | Other |
Questions about this item
How do I confirm the valve is operating correctly after installation?
Pressurise the gas line to its rated working pressure and brush leak-detect solution on the FNPT joints and stem seal; no bubbles indicates a tight, functional valve.
What comes in the box and what must I source separately?
The valve body with 1/2" FNPT x FNPT ends is supplied; you will need matching NPT pipe nipples, thread sealant rated for gas, and any required mounting brackets.
Which size and material version should I select for a half-inch gas line?
Choose the 1/2" FNPT brass model listed here; it matches half-inch NPT piping and the brass body is rated for gas service.
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