Established in 1993, Guanfa Valve Manufacture Co., Ltd. is specialized China bypass valve manufacturer and distributor of valves, hoses, tubes and pipes. Our oem bypass valves are suitable for acid, alkali, water, steam, seawater, coal gas and natural gas. They are widely used in petroleum, chemical, paper making, fertilizer, brewing and metallurgy. The use of specialized software of Pro/E and CAD has shorted the P&D and trial manufacture cycle, and greatly improved the service life and dependability of products. Our high-quality products have been exported to the North Amercia, UK, USA, Germany, Italy, India, France, Australia, Japan.

Air bypass fits on 2.75 inch sized intake pipe. Best if used with a genuine AEM intake system
AEM's patented Air Bypass Valve virtually eliminates the chance of hydro-lock in the event you submerge the filter of your AEM Cold Air induction system in water. On most systems, the valve installs along the upper portion of the inlet pipe and shuts down induction at the filter when it becomes submerged, rerouting air through its external diaphragm to keep water out and air flowing in. Your engine needs oxygen to keep the fire burning in its belly. While your AEM Cold Air Intake reaches down below the bumper to draw in the freshest air, it’s at risk for sucking in something deadly to performance: water. Equip your aftermarket intake with an Air Bypass Valve for a surefire defense against hydro-lock. When your intake becomes submerged, your Air Bypass Valve immediately springs into action. It closes off induction from your main filter and reroutes the air flow through its external diaphragm. Plus, the integrated foam filter traps dust and blocks debris from getting into your powerplant.

Keep your engine breathing freely even when your intake is submerged in water with AEM’s Air Bypass Valve. Exclusively designed to work with your AEM Cold Air Intake System - V1 systems only, does not work with the V2. When your intake’s main filter becomes ubmerged, your Air Bypass Valve automatically takes over, shutting off induction from the wet filter and drawing air in through its external diaphragm. The Air Bypass Valve’s foam filter shields against dust, rocks and other harmful material. For maximum durability, the Air Bypass Valve features a sonically welded, nylon-reinforced cage. Nasty chemicals and the elements are no match for the Air Bypass Valve’s urethane flapper valves. 50 state street legal when used with your AEM Cold Air Intake Kit. On the majority of AEM Cold Air Intake Kits, the Air Bypass Valve installs right to the upper inlet pipe. Comes with the proper hose clamps for a painless mount. AEM backs your Air Bypass Valve with a 1-year warranty.

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