材质介绍

 

Name of Each Part and Material

 

 

No.

Name

Material

①

Casing

 SUS304, SUS316

②

Slide Plate

 SUS304, SUS316

③

Bolt

 SUS304, SUS316, SCR420B(51B20), SCM435 galv.

④

Bar-nut

 SUS303F, SUS304, SUS316, S45C galv.

⑤

Bar-washer

 SUS303F, SUS304, SUS316, S45C galv.

⑥

Grip

 SUS301H, SUS304H

⑦

Gasket

 EPDM, NBR, Silicone, FKM(Viton)

Material and Characteristics of Gasket

 

Rubber

Characteristics

EPDM

* Characteristic: aging, weather, ozone, electric resistance
* Temperature : -30~110℃
* Use: hot & cold water, drinking water, sea water, brine, air, ammonium hydroxide, ammonia gas, oxygen, hydrogen, nitrogen, ethylene glycol, methyl alcohol, boric acid, glacial acetic acid, acetic acid, sodium acetate, lindol, etc.

* pH2~11

NBR

* Characteristic: oil, abrasion, aging resistance
* Temperature : -20~80℃
* Use : gas, oil (gasoline, kerosene, diesel oil, bunker oil, lubricating oil, hydraulic oil, olive oil, coconut oil, cottonseed oil, corn oil, fish oil, neat’s foot oil, etc.), cold water, sea water, brine, sewage, carbon dioxide, hydrogen, nitrogen, ethylene chloride, ethylene glycol, boric acid, etc.

* pH2~11

Silicone

 * Characteristic: heat, cold, weather resistance    
* Temperature: -40~220℃ (Steam : ~150℃)
* Use: steam line / sea water, brine, nitrogen, ammonia gas, ethylene glycol, boric acid, acetic acid, etc.

FKM/FPM

(Viton)

* Characteristic: heat, chemical, medicine resistance

* Temperature: -18~300℃ (Special Viton : Steam~230℃)

* Use: aqua regia, sea water, oxygen, hydrogen, chlorine, hydrogen, nitric acid, fatty acids, phthalic acid, sulfuric acid, boric acid, benzene, cresol, ethylene chloride, ethylene glycol, toluene, naphthalene, gasoline, kerosene, diesel oil, fuel oil, lubricating oil, hydraulic oil, turbine oil, corn oil, pine oil, LPG, etc.

 

※  Proper gasket should be chosen, depending on fluid's kind, temperature, status, etc.

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