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Material & Performance

1) Material

  • Body

image15

The body is made of STS 304 (27 kinds), which is used for all products of press-type stainless steel pipe fitting (around 150 products). STS 315 (32 kinds) is applied
according to the customer’s request.

  • O-ring

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he O-ring is made of heat-resistant butyl rubber and EPDM rubber. The upper use temperature is 110°C.
However, if it is used for a long-term period, usage
under 80°C is recommended.

 

 

 

 

2) Performance

 

 

 

 

  13SU 20SU 25SU 30SU 40SU 50SU 60SU
Tensile test 489 560 500 1020 1961 1530 2881
Hydraulic test OK OK OK OK OK OK OK
2 million times of vibration test OK OK OK OK OK OK OK
bending test >30˚ >30˚ >15˚ >23.5˚ >26˚ >23.5˚ >15˚
400kgf/㎠
10,000 times of pressure-proof flow test
OK OK OK OK OK OK OK
bulk test (kgf-m) 2.8 5.9 7.4 19.7 28.3 34.7 >56.0
O-Ring heat resistant EPDM is used.
Application in Europe: more than 23 years (no difficulties so far)
Semi-permanent under lab condition.
ETC No difficulties have been reported in other tests, including the warm-water
field test.

 

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