{"product_id":"castair-full-flow-ball-valve-3-4-for-5-10hp-rotary-compressors-bv75","title":"Castair Full Flow Ball Valve 3\/4\" for 5-10HP Rotary Compressors BV75","description":"\u003cp\u003eThe Castair BV75 is a 3\/4\" NPT-Female Full Flow Ball Valve specifically rated for use with 5-10HP rotary screw and reciprocating compressors. At the 5-10HP range, you're moving serious CFM through the discharge line, and undersized or restricted valves create back pressure that reduces system output and stresses pump components. The BV75's full-flow design means the internal bore matches the 3\/4\" pipe diameter — no restriction, no pressure drop through the valve body itself.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\/4\" NPT Female Threads (Both Ports):\u003c\/strong\u003e Standard NPT female on inlet and outlet — fits 3\/4\" NPT male fittings throughout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Flow Ball Design:\u003c\/strong\u003e Internal bore matches 3\/4\" pipe ID — no constriction through the valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated for 5-10HP Rotary Compressors:\u003c\/strong\u003e Designed to handle the flow and pressure demands of compressors in this HP range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuarter-Turn Operation:\u003c\/strong\u003e 90-degree handle from fully open to fully closed — clear, definitive positions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Commercial Construction:\u003c\/strong\u003e Cast Air quality for industrial-grade compressed air systems\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 BV75\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePort Size:\u003c\/strong\u003e 3\/4\" NPT Female (inlet and outlet)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Type:\u003c\/strong\u003e Full flow ball valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Quarter-turn (90°)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Standard:\u003c\/strong\u003e NPT (National Pipe Taper)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated For:\u003c\/strong\u003e 5-10HP rotary compressors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Cast Air\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ePressure rating and body material — contact us for complete specifications.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Valve Sizing Matters on Rotary Compressors\u003c\/h2\u003e\n\u003cp\u003eRotary screw compressors at 5-10HP run continuously under load. They're not like a reciprocating compressor that cycles on and off — they're pushing air constantly, and anything that restricts discharge flow creates back pressure across the entire system. A full-flow valve at 3\/4\" keeps the discharge path open. An undersized or restricted-port valve at this flow rate will cost you real CFM and can cause the compressor to run hotter and cycle the high-temp shutdown more frequently. The BV75 is sized for this application from the ground up.\u003c\/p\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompressor Discharge Isolation:\u003c\/strong\u003e Install between the compressor outlet and the receiver tank as the primary system shutoff\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Outlet Valve:\u003c\/strong\u003e Shutoff at the tank outlet to the distribution header\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService Isolation:\u003c\/strong\u003e Isolate the compressor for maintenance without depressurizing the entire distribution system (with a check valve in the circuit)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain Header Shutoffs:\u003c\/strong\u003e Zone shutoffs on 3\/4\" header lines serving multiple branch drops\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBypass Lines:\u003c\/strong\u003e Full-flow valve in a compressor bypass circuit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eValve Selection by Compressor Size\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnder 3HP \/ Small Tools:\u003c\/strong\u003e 1\/4\" BV25M or 3\/8\" BV38 at the tool drops\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-5HP \/ Multiple Users:\u003c\/strong\u003e 1\/2\" BV50 on branch lines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-10HP Rotary or Reciprocating:\u003c\/strong\u003e 3\/4\" BV75 at the compressor and main header\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbove 10HP:\u003c\/strong\u003e Contact us — larger header valves and system-specific selection applies\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Buy From OEM Diagnostic Tools?\u003c\/h3\u003e\n\u003cp\u003eWe stock Cast Air valves, fittings, and replacement parts for commercial and industrial compressed air systems. Specialist supplier since 2016. Free shipping on qualifying orders. Our team understands compressor systems — call us if you need help selecting valves for a new system build or identifying the right replacement for existing hardware.\u003c\/p\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":53342522998997,"sku":"BV75","price":44.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/8466\/0949\/files\/CastairBallValve.jpg?v=1772652597","url":"https:\/\/aircompressorfactorydirect.com\/products\/castair-full-flow-ball-valve-3-4-for-5-10hp-rotary-compressors-bv75","provider":"Air Compressor Factory Direct","version":"1.0","type":"link"}