Topper Industrial Valve Co., Ltd., located in Wenzhou, China, is established in 1986. With over 30 years' experience, now, the company becomes a professional valve manufacturer specialized in developing, manufacturing, and marketing valves, as well as high-quality services. It covers an area of 62000 square meters and has two subsidiary factories.
The industrial valves we manufactured include g
ate valves, check valves, globe valves, ball valves, butterfly valves, plug valves, strainer and other valves. The valves are manufactured according to ANSI, API, DIN, GOST, BS, JIS, Chinese GB standards and the customers' special requirements. Our products have been marketed throughout the world, suitable for a wide variety of applications in the Gas, Oil, Refining, Chemical, Marine, Power Generation and Pipeline Transmission Industries.
Pressure range: Class 150 – Class 2500, PN6 - PN420.
Size range: NPS 1/2 - 48 Inches, DN15 - DN1500.
Operation type: manual, gearbox, chain wheel, pneumatic, electric, etc.
Connection End: RF flanged, BW, SW, NPT, wafer, etc.
Materials (castin
g): WCB, WCC, LCB, LCC, LC1 - 3, CF8, CF3, CF8M, CF3M, CF8C, CN7M, CA15, C5, WC5, WC6, WC9, Monel, etc.
Materials (forging): A105, LF1, LF2, F304, F304L, F316, F316L, F11, F22, F6, F51, F316H, F321, F347, Inconel, etc.
To introduce the international quality management system, We have got the approval of ISO 9001, API 6D, CE and Chinese AZ certification. Besides, We established a multi-functional phys-chemical lab to supervise the quality further from time to time and fitted out spectrum analyzer, portable spectrograph (PMI), material tester, impact tester, hardness meter, tensile tester, thickness meter, magnetic particle tester, fugitive emission tester, and NDE testing equipment.
The primary of our target is to offer products and services of high quality, so that we will receive the highest degree of consumer satisfaction and fidelity. Both new and old customers are welcomed to set up a partnership with us to explore wider marketing opportunities and create a brighter future together!
