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- 【2013-03-15】 Ball Valve Summary and Characteristics
Ball valves in the piping are used to cut, distribute and change the flow direction of the fluid. If the opening were designed to be V-shaped, it would also have the excellent function of flow control..
- 【2013-03-15】 How to Specify and Order the Correct Valves
This is to assist you in choosing the correct valve for a vast number of piping conditions. The Welco product line makes available to you a very broad choice of valves. These valves are described in t..
- 【2013-03-15】 Why you choose China?
Why you choose China?1. China owns a peaceful economic and governmental environment, and has maintained a long-term and stable economic developing for more than half century.2. China has cheap and abu..
- 【2013-03-15】 Oversea MarketIndustries Served
Oil and GasPower GenerationRefining and PetrochemicalNuclear PowerOther Process Industries
- 【2013-03-15】 JSC Ball Valve Srandard
ASME B 1.20.1 Pipe threads,general purposeASME B16.5 Steel pipe falnges and flanged fittingsASME B16.10 Face-to face and end-to end dimensionsoffenous valves.ASME B 16.25 Butt welding endsASME B16.34 ..
- 【2013-03-12】 ASTM - Valve Standards
An overview of ASTM International - American Society for Testing and Materials - valve standardsASTM A126-04Standard Specification for Gray Iron Castings for Valves, Flanges, and Pipe FittingsASTM A18..
- 【2013-03-12】 API - Valve Standards
An overview of the American Petroleum Institute - API - valve standardsAPI SPEC 6DSpecification for Pipeline Valves. API Specification 6D is an adoption of ISO 14313: 1999, Petroleum and Natural Gas I..
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