{"product_id":"castair-1-1-2npt-male-x-18-metal-flex-hose","title":"Castair 1 1\/2\"NPT Male x 18\" Metal Flex Hose","description":"\u003cp\u003eThe Castair VA150 is a 1-1\/2\" NPT Male x 18\" metal flex hose for larger air compressor installations. The 1-1\/2\" NPT port size places this hose at the upper end of the piston compressor range and into the lower range of larger rotary installations — think 15-25 HP two-stage piston units and equivalent rotary compressors. This is the vibration isolator and flexible connection between your pump outlet and tank inlet, handling the movement and thermal cycling that comes with continuous shop use.\u003c\/p\u003e\n\n\u003ch2\u003eWhat Makes This Size Necessary\u003c\/h2\u003e\n\u003cp\u003eAs compressors scale up in horsepower, discharge port sizes increase to accommodate higher CFM output. A 1-1\/2\" NPT discharge is common on larger piston compressors and some mid-size rotary units. Using a smaller flex hose creates backpressure and flow restriction at the outlet — the compressor works harder to push air through an undersized connection. The VA150 maintains the correct 1-1\/2\" flow path from pump to tank without restriction.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-1\/2\" NPT Male Connection:\u003c\/strong\u003e Both ends, for direct connection to 1-1\/2\" NPT pump outlets and tank fittings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e18\" Length:\u003c\/strong\u003e Standard installation length — sufficient to absorb pump vibration and accommodate minor alignment differences\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless Braided Flex Construction:\u003c\/strong\u003e Rated for compressed air service at shop compressor operating pressures\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Castair Part:\u003c\/strong\u003e Factory-specification for Castair compressors with 1-1\/2\" NPT discharge connections\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration Isolation:\u003c\/strong\u003e Decouples pump from tank to protect fittings, check valves, and downstream hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhen to Replace This Hose\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVisible corrosion, rust staining, or fraying in the stainless braid\u003c\/li\u003e\n\u003cli\u003eAir leak or seepage at either NPT fitting\u003c\/li\u003e\n\u003cli\u003eKinking or permanent deformation from installation or impact\u003c\/li\u003e\n\u003cli\u003eHose has become rigid and no longer absorbs vibration effectively\u003c\/li\u003e\n\u003cli\u003eCompressor has been running without a flex hose and you're converting to a correct installation\u003c\/li\u003e\n\u003cli\u003eScheduled replacement on a high-use shop compressor — these hoses are wear items\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eNote on VA050 vs. VA150\u003c\/h2\u003e\n\u003cp\u003eBoth VA050 ($46.59) and VA150 ($111.80) are listed as 1-1\/2\" NPT flex hoses in the Castair lineup. There may be differences in material specification, pressure rating, or construction quality between these two part numbers at this size. Contact us if you need clarification on which is the correct replacement for your specific Castair compressor model — we can check against the compressor's parts manual.\u003c\/p\u003e\n\n\u003ch2\u003eFull Flex Hose Lineup\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVA075\u003c\/strong\u003e ($59.29) — 3\/4\" NPT Male x 18\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVA100\u003c\/strong\u003e ($99.95) — 1\" NPT Male x 18\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVA050\u003c\/strong\u003e ($46.59) — 1-1\/2\" NPT x 18\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVA125\u003c\/strong\u003e ($102.49) — 1-1\/4\" NPT x 18\" — 25-40 HP rotary\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVA150\u003c\/strong\u003e ($111.80) — 1-1\/2\" NPT Male x 18\" (this part)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVA200\u003c\/strong\u003e ($131.29) — 2\" NPT Male x 18\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVA100J36\u003c\/strong\u003e ($203.28) — 1\" JIC Female\/Female x 36\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x Castair VA150 Metal Flex Hose — 1-1\/2\" NPT Male x 18\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e VA150\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Cast Air \/ Castair\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e 1-1\/2\" NPT Male, both ends\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 18 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Ball Valves \/ Flex Lines — Parts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrice:\u003c\/strong\u003e $111.80\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003ePressure rating and full material specifications were not confirmed from manufacturer data at time of writing. Contact us for compatibility confirmation with your specific compressor model.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhy Buy From Air Compressor Factory Direct?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCastair Parts Specialist:\u003c\/strong\u003e We stock the complete Castair flex hose range and can confirm the correct part for your installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Shipping:\u003c\/strong\u003e On qualifying orders to the contiguous US\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Tech Support:\u003c\/strong\u003e Call 866-217-0063 to confirm which 1-1\/2\" hose — VA050 or VA150 — is correct for your Castair unit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Quality:\u003c\/strong\u003e Factory-specification Castair replacement parts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Manufacturer Warranty:\u003c\/strong\u003e Backed by Castair's standard warranty\u003c\/li\u003e\n\u003c\/ul\u003e\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":53342609899733,"sku":"VA150","price":205.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/8466\/0949\/files\/Screenshot_31_825a68e0-644f-497f-a5ce-11fa5495cb59.png?v=1772652960","url":"https:\/\/aircompressorfactorydirect.com\/products\/castair-1-1-2npt-male-x-18-metal-flex-hose","provider":"Air Compressor Factory Direct","version":"1.0","type":"link"}