The Original Seat Valves

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

The Original Seat Valves
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The Original Seat Valves

The Original Seat Valves

The Original Seat Valves

Caution, opening/closing time:

  • Opening/closing time will be effected by the following:
  • The air supply(air pressure).
  • The length and dimensions of the air hose.
  • Number of valves connected to same air hose.
  • Use of single solenoid valve for serial connected air
  • actuator functions.
  • Product pressure.

Air connections

  • Compressed air: R1/8"(BSP), internal thread.

Designation

NO PART NAME QTY MATERIAL
1 Piston 1 SS304
2 Cyinder 1 SS304
3 Spring assembly 1 SS304
4 O-ring 1 NBR
5 O-ring 1 NBR
6 Bracket 1 SS304
7 O-ring 1 NBR
8 O-ring 1 NBR
9 Lock wire clip 1 SS304
10 Stop ring 1 PE
11 Clip complete 1 SS420
12 Stem 1 SS316L
13 Seal ring 1 EPDM
14 Washer 1 SS316L
15 O-ring 1 O-ring
16 Screws 1 SS316L
17 Lipseal-EPDM 1 EPDM
18 Valve body-lower 1 SS316L
19 Clamp 1 SS 304
20 Air connection 1 Cupper
21 Air outlet filter 1 Cupper

Technical Date

  • Max. product pressure (depending on valve specifications): 1000kpa(10 bar)
  • Min. product pressure: full vacuum.
  • Temperature range: 10°C to +140°C(EPDM)
  • Air pressure: 5 to 7 bar.

Materials

  • Product wetted steel parts: Steel AISI 316L.
  • Finish: Semi bright.
  • Other steel parts: Stainless steel AISI 304.
  • Plug stem : AISI 316L with hard chrome planted stemm surface.
  • Product wetted seals: EPDM rubber.
  • Other seals: NBR.

Ordering

Please state the following when ordering:

  • Size.
  • Connections if not welding ends.
  • Valve body combination.
  • Actuator function, NC, NO, or A/A.
  • Options.

Specification

Size ID
mm		 OD
mm		 A0
mm		 A1
mm		 ØD
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 14 60 50.5 38 1.65 21.5 19 21.5 21.5
38.1 34.7 38.1 287 25 87 60 68.5 1.65 21.5 23 21.5 21.5
50.8 47.5 50.8 361 25 87 68.5 68.5 1.65 21.5 23 21.5 21.5
63.5 60.2 63.5 385 25 87 79 82 1.65 21.5 27 21.5 21.5
76.1 72.9 76.1 453 32 133 103.5 103.5 1.65 21.5 27 21.5 21.5
101.6 97.6 101.6 481 32 133 103.5 103.5 2 21.5 30 30 30
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Vacuum Component | The Original Seat Valves Manufacturer - EFT

Based in Taiwan, EVERFIT TECHNOLOGY CO., LTD. is a The Original Seat Valves | 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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