The Original Manual Double Seat Valve

The Original Manual Double Seat Valve / Everfit Technology CO., LTD. (EFT) is a vacuum component, vacuum fitting, processing equipment and system provider with almost 50 years of experience.

The Original Manual Double Seat Valve
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The Original Manual Double Seat Valve

The Original Manual Double Seat Valve

The Original Manual Double Seat Valve

Technical Date

  • Max product pressure: 1000kpa(10bar).
  • Min product pressure: Full vacuum.
  • Temperature range: -10°C to +140°C(EPDM).

Materials

  • Product wetted steel parts: AISI 316L
  • Other steel parts: AISI 304
  • Plug stem: AISI 316L with chromium plated surface
  • Product wetted seals: EPDM
  • Other seals: NBR and FPM
  • Finish: Semi bright

Options

  • Equipment
  • Male parts or clamp liners in accordance with required standard.
  • Stainless steel disc replacing standard lip seal.

Materials Grades

  • Product wetted seals and lip seal of NBR, Fluorinated rubber(FPM) or PTFE.

Ordering

Please state the following when ordering:

  • Connections if not welding ends.
  • Size.
  • Valve body combination.
  • Options.

Specification

Size ID
mm		 OD
mm		 A0
mm		 A1
mm		 B
mm		 C
mm		 E1
mm		 E2
mm		 t
mm		 L/Clamp
mm		 L/SMS Male
mm		 L/IDF Male
mm		 L/RJT Male
mm
25.4 22.1 25.4 202 15 35 55.6 50.5 38 1.65 21.5 19 21.5 21.5
38.1 34.7 38.1 321 25 80 80 60 68.5 1.65 21.5 23 21.5 21.5
50.8 47.5 50.8 348 25 80 92 68.5 68.5 1.65 21.5 23 21.5 21.5
63.5 60.2 63.5 404 25 80 108 79 82 1.65 21.5 27 21.5 21.5
76.1 72.9 76.1 453 32 80 128 103.5 103.5 1.65 21.5 27 21.5 21.5
101.6 97.6 101.6 453 32 80 148 103.5 103.5 2 21.5 30 30 30
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Vacuum Component | The Original Manual Double Seat Valve Manufacturer - EFT

Based in Taiwan, EVERFIT TECHNOLOGY CO., LTD. is a The Original Manual Double Seat Valve | vacuum component supplier for various industries, including semi-conductor, pharmaceutical, bio-technology, cosmetics, food processing and structural engineering. Main product: 316Ti Stainless steel pipe, progressing cavity pump part, pipe tee fitting, valve actuator component, diaphragm valve, ferrule, KF flange, etc.

5,500 square meter plant, cleanroom (class 10,000) and ultra-pure water system to deliver the cleanest pipe fittings. Between the robot arm and adjustment of fixture and jig, EFT is moving toward to becoming a manufacturer of pipe fittings with high technology.

EFT has been offering customers high-quality stainless steel vacuum components since 1976, both with advanced technology and 47 years of experience, EFT ensures each customer's demands are met.

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