Yearly Archives: 2013

• 

  WKM valve parts released

  Posted on December 27, 2013 by admin in Company News

  On date Dec.1, 2013, we finished a new batch of WKM-M Valve parts for model M (including valve gate, valve seat, valve guide and so on) to our South America Clients

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• 

  New PR2 Grade API 6A gate valve 3-1/8″ 2M flange end

  Posted on November 21, 2013 by admin in Product News

  On date Nov.21, 2013, we finished a new batch PR2 gate valve for our overseas customer, the valve specification is as follows:

  API 6A gate valve 3-1/8″ 2M flange end, ring type joint ,temperature rating Y (0-650 DEG F),

  Material class  ‘DD’-05,  PSL-1, PR-2, expandable gate valve, non rising stem, bolt bonnet, pressuring derating 2000 PSI, ambient rerated to 1,430 PSI  650 DEG F, hand wheel operated, RX-31 annex- G-design And rating of equipment

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• Wellhead Description

  Posted on October 27, 2013 by admin in Product News

  What is Wellhead:

  Wellhead is a general term used to describe the component at the surface of an oil or gas well that provides the structural and pressure-containing interface for the drilling and production equipment

  Wellhead Function:

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• Knowledge for valve parts 002

  Posted on August 12, 2013 by admin in Product News

  Chapter C: Valve stem

  The valve stem bearing the tensile, compressive and torsional forces while the valve opening and closing. The valve stem could contact with media directly, and could also have relevant friction movement against valve packing. So, the material used for valve stem has to be sufficient strength and toughness under certain required temperature. And also has to be anti-corrosion, scratch resistance, and good manufacturability.

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• Knowledge for Valve parts-001

  Posted on August 6, 2013 by admin in Product News

  There are a lot of valve parts in different materials to be used for valves, API valves, ANSI Valves, petroleum valves, including various grades of ferrous and nonferrous metals and alloys, a variety of non-metallic materials. Basically, the material selection principle is based on follows

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• We Launched Our New Website

  Posted on July 31, 2013 by admin in Company News

  Our new site is built based on WordPress, an easy to use but powerful content management system,that allows diyuan team to update new pages and blogs regularly,without any programmer’s help. Now,we could interface with our customer more easy. and let our customers visit our website more friendly,and know our valve parts,valves,wellhead component deeply.

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