Name of Each Part and Material

 

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No.
Name
Material
Casing
SUS304, SUS316
Slide Plate
SUS304, SUS316
Bolt
SUS304, SUS316, SCR420B(51B20), SCM435 galv.
Bar-nut
SUS303F, SUS304, SUS316, S45C galv.
Bar-washer
SUS303F, SUS304, SUS316, S45C galv.
Grip
SUS301H, SUS304H
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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