Short Description
The thermostatic valve is an essential component of the screw air compressor lubrication system. Complete assembly includes valve body and thermostatic valve insert kit. Driven by wax thermostat element, it automatically switches lube oil circuit between bypass and oil cooler. It maintains optimal oil temperature, prevents water condensation at low temperature and over‑temperature shutdown. Widely compatible with multiple brands of screw air compressors.
Key Features
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Complete full assembly Supplied as full set with valve body plus thermostatic insert kit. Ready‑to‑install for direct replacement. Built‑in high‑precision wax thermostat element delivers fast and stable thermal response.
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High‑quality valve body material Heavy‑duty construction, oil‑resistant and anti‑corrosive. Withstands system pressure and frequent temperature cycling. Resists leakage and cracking for long service life.
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Accurate temperature control Available in opening temperature: 71℃ /77℃ /82℃. Oil circulates through bypass for fast warm‑up under low temperature. Oil flows to oil cooler once reaching set temperature. Reduce oil emulsification and compressor overheat alarms.
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Excellent OEM interchangeability Precision machined to match OEM dimension and port specification. Easy installation. Fits Atlas Copco, Sullair, Ingersoll Rand, Fusheng and other mainstream screw air compressor models.
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Resolve common compressor troubles Fix abnormal oil temperature, oil emulsification, cooling circuit failure and over‑heat shutdown. Protect screw rotor and extend service life of lubricant oil and air‑end.
About Us & Warranty
We are a one‑stop supplier for air compressor filters and spare parts with more than 10‑year industry experience. Factory direct supply to eliminate middleman markup. Our product portfolio covers filter elements, various valves, gaskets and all wear parts. Model verification and bulk orders are supported. 1‑year warranty applies to all our parts. Every unit is inspected before shipment. Stable supply helps you cut procurement & maintenance costs.
Notes
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Please confirm compressor model, OEM part number and opening temperature before placing order.
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Clean pipeline debris before installation to avoid thermostat insert jamming.
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Thermostatic valve is a wearing part, regular inspection is recommended following maintenance schedule.
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