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

Marine type valves. Including globe valves, gate valves, check valves, hydrant valves, butterfly valves, quick shut valves. Material: cast iron, cast steel, forged steel, bronze, stainless steel. Conform to JIS, ANSI, DIN, GB/T, CBM standards. 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.

The JIS marine bronze valves and screw down check valves are used for preventing refluence in fuel oil piping, lubricating oil piping, water piping at temperatures 120℃ or less. Dimensions of flange are according to JIS B2220. Model: JIS F7302、F7352. Working Pressure：5kgf/cm2. Nominal Diameter：15-40mm. All Marine valves and equipment from third party suppliers are fully inspected and the accompanying documentation packs are reviewed to ensure compliance with customer specification. Traceability is vital to ensure product integrity. Every item produced in house or purchased as a finished component is traceable through its unique batch number. All records are stored digitally and can be retrieved and supplied to the customer as required.

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