{"product_id":"castair-ctb112112","title":"Castair CTB112112","description":"\u003ch2\u003eCastair 1-1\/2\"x1-1\/2\" In-Tank Check Valve NPT Female Fitting Inlet \/ NPT Male Outlet CTB112112\u003c\/h2\u003e\n\n\u003cp\u003eThe Castair CTB112112 is the largest in-tank check valve in Castair's NPT female inlet (CTB) series — a 1-1\/2\" x 1-1\/2\" valve rated to 500 PSIG and 400 degrees F with a 1\/8\" side port for unloader connection. This is a heavy-duty industrial component for large reciprocating compressor installations with 1-1\/2\" NPT discharge and tank connections. If you're running a large industrial Castair-built compressor and need a factory-correct replacement check valve at this port size, this is the right part.\u003c\/p\u003e\n\n\u003ch3\u003eWhat This Valve Does\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-way flow control:\u003c\/strong\u003e Passes compressed air from the compressor discharge into the tank, closes when the compressor unloads to hold tank pressure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/8\" unloader port:\u003c\/strong\u003e Connects to the pressure switch unloader to bleed head pressure at shutdown, enabling easy motor restart\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e500 PSIG rated:\u003c\/strong\u003e Significant margin above standard compressor cut-out pressures (100-175 PSI typical), for long-term reliability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e400 degree F rating:\u003c\/strong\u003e Handles discharge air temperatures without degradation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e CTB112112\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Connection:\u003c\/strong\u003e 1-1\/2\" NPT Female\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutlet Connection:\u003c\/strong\u003e 1-1\/2\" NPT Male\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Rating:\u003c\/strong\u003e 500 PSIG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Rating:\u003c\/strong\u003e 400 degrees F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnloader Port:\u003c\/strong\u003e 1\/8\" side port\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Castair (Spicer, Minnesota)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrice:\u003c\/strong\u003e Contact us for current pricing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCastair CTB Series Full Lineup\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCTB3812\u003c\/strong\u003e — 3\/8\" x 1\/2\", $21.18\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCTB1212\u003c\/strong\u003e — 1\/2\" x 1\/2\", $20.33\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCTB1234\u003c\/strong\u003e — 1\/2\" x 3\/4\", $29.65\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCTB3434\u003c\/strong\u003e — 3\/4\" x 3\/4\", $31.34\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCTB1010\u003c\/strong\u003e — 1\" x 1\", $50.82\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCTB114114\u003c\/strong\u003e — 1-1\/4\" x 1-1\/4\" (call for price)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCTB112112\u003c\/strong\u003e — 1-1\/2\" x 1-1\/2\" (this listing, call for price)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Buy From Air Compressor Factory Direct?\u003c\/h3\u003e\n\u003cp\u003eLarge-bore check valves at this size are specialty items. We stock the full Castair line and can confirm fitment for your specific compressor configuration. Call us with your compressor model for pricing and availability.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree shipping\u003c\/strong\u003e on qualifying orders to the lower 48\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree tech support\u003c\/strong\u003e — fitment and pricing by phone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull manufacturer warranty\u003c\/strong\u003e on all Castair products\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCall 866-217-0063 for quick answers and help!\u003c\/strong\u003e\u003c\/p\u003e","brand":"Cast Air","offers":[{"title":"Default Title","offer_id":53342533255381,"sku":"CTB112112","price":0.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/aircompressorfactorydirect.com\/products\/castair-ctb112112","provider":"Air Compressor Factory Direct","version":"1.0","type":"link"}