Established in 1993, Guanfa Valve Manufacture Co., Ltd. is specialized China stop valve manufacturer and distributor of valves, hoses, tubes and pipes. Our oem stop 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.

Proline, 1/2", Brass, Threaded, Stop Valve, Heavy Duty Construction, Screw Over Bonnet, Neoprene Seal Washer, Large Flow Area, For Use With Water, Oil, Or Air, Large Cast Iron Handle, BRASS STRAIGHT STOP VALVE Used in new construction or to repair any existing system. High quality Brass fittings with copper crimp rings provide a connection that is permanent, tightly sealed, and stronger than the pipe itself Installation utilizes a "No Sweat" PEX insert connection method to reduce installation time and plumbing cost. Eliminates the need for solvents, chemicals, solder and flame. Is simple to install and also accepted for behind the wall use. Only annealed crimp rings can be used with copper and brass insert fittings. QestPex crimp fittings and rings are not interchangeable with polybutylene fittings and rings.

Sizes: DN 15 - 150mm. Body/bonnet: gray cast iron, mollelle iron. Valve handle: carbon steel, brass. Handle wheel: cast iron. Seat: stainless steel, brass. Packing ring: spacing piece, stainless steel, polyfluortetrathylene. Valve-stem nut: brass. Temperature: below 200 degrees. Pressure: 1.6MPa. Medium: oil, water, vapor. Standard: GB. Technic: investment casting, lost wax casting. It is applicable for fresh water, sea water, lubricating oil and steam pipe with temperature less than 250 degrees. The nominal dimensions range from 20 to 125mm, and structural length adopts ISO5752. Flange and sealing adopt ISO2084 and ISO2441 standards, with new design and reliable from 20 to 125mm. The product can be substitute of the same one imported. Direct-air-flow valve A and right angle valve B are both materials of ZQSn and QA19-2. The technical standard is in accordance with GB600-91 or relevant international standard.

Go to China Valve Manufacturer Catalog or China Valve Catalog to find more China Products!