Established in 1992, China Domanda Electric Machinery Co., Ltd. is China metal seal manufacturer and wholesaler of pumps and eectric machinery. All production processes are conducted under rigid quality control measures, which have thereby earned us ISO9001 certification, in addition to European 'CE' and American 'UL' safety approvals for all series. We cooperate with a wide spectrum of customize metal seals and wholesale distributors.

Size: 2 - 80". Class: 150 - 300lbs. Material: WCB, LCB, CF8, CF8M, CF3, CF3M, WC1, WC6, WC9, CN7M, Monel. Design and manufacture: ANSI B16.34. Face to face dimensions: ANSI B16.10. End flange dimensions: ANSI B16.5. Inspection and test: API 598. BW end dimensions: ANSI B16.25. Wafer dimensions: API594. This is the only method short of electron beam welding the head to the cylinder to prevent leaks. Downstairs we use a high temperature O-Ring between the cylinder and the S&S Special Application Crankcases. Once again, this is something we have proven in actual competition at Bonneville and you get the benefit of our experience.

Flange Butterfly Valves(Hard face and soft face). Watfer Butterfly Valves(Hard face and soft face). Type of connection. RF and RTJ flange edns to ANSI B16.5 or API 605 and MSS SP-44 standard. Type of operation. Lever. Worm Gear. ctuator, lectric, Pneumatic actuator. Actuator dimensions to ISO 5211 standard. Totally new in concept, male/female ferrules use an "omega" designed metal to metal seal which has sealing surfaces both in recess protecting against damage. The Embosser Seal Impression inker makes metal embosser seal impressions suitable for photocopying. The inker is pressed lightly on the raised metal seal impression and an inked image of the embossment is produced. Very useful for Faxing or Photocopying documents which have been sealed with an embosser.

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