The Original Seat Valves

Semi-conductor, pharmaceutical, Bio-technology, food processing, structural engineering

Everfit Technology CO., LTD. (EFT) is one of the stainless steel pipe fittings manufacturers based in Taiwan with over 36 years of experience. EFT provides 316, 316Ti stainless steel pipe fittings, pipe reducer, eccentric pipe reducer, vacuum pump, valve actuator - ISO, EN11435, DNV, TSSA CRN, BPE, 3-A SSI certified.

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The Original Seat Valves | The Original Seat Valves

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The Original Seat Valves

Valve Body Combination

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