young Carry Tank for take-away compressed air tanks. 1/2 '' someone NPT x 1/8 '' someone NPT outlet Gauge carry 1/8 '' safety relief valve place at 130 psi. IN THE USA Brand young flat Air burp Manifold Valve with relief. This valve a 1/2 '' someone NPT thread which screws into the tank. -LRB- Note : 1/2 '' threads about 3/4 '' in diameter, if requisite these threads can be reduced or unhealthy with a reducer . -RRB- . This valve is for a replacement of an extant valve and also works majuscule if you 're making an air storage tank divulge of a compressor tank. This valve is with a 1/4 '' female person NPT set down for an air hose as well as a 1/8 '' female person NPT set down for an air gauge, and a Schrader tire fill valve on the slope -LRB- as shown -RRB- for filling the air bubble. The spectral colour knob engaged to this valve you to easily turn on / off duty the air flow to the air hose. This manifold a 130 PSI safety relief valve also identified as a pop off duty. a Tank Filler Valve into the Built In Shut Off Valve Mates to a true Tire Chuck for gentle Tank Pressurization Safety Valve is Factory predetermined at 150 PSI Includes Tank Pressure Gauge Port Construction : Brass Body & Components, untainted Steel Springs, Nitrile O-Rings & Silicone Rubber Safety Valve Seals Specifications : hard Brass Construction 1/2 '' MNPT Tank Inlet 1/4 '' FNPT Air Hose Connection 1/8 '' FNPT Gauge Connection spectral colour Air Flow Control Knob Schrader -LRB- Tire -RRB- Fill Up Valve Relief Valve - 130 PSI .