Acetic acid

The general water solvent concentration is: 28, 56, 70, 80, 85, 98%

316 stainless steel is available for less than 40% solvent. Normally closed valve can use EPDM diaphragm, suffix denoted "E"

acetone

Colorless flammable, minty odor, soluble in water or ether

The valve can be provided with an EPDM diaphragm, suffix "E", and a PTEE body

benzols

It is commonly used for waxing, rubber and other organic substances, and may also be mixed with gasoline or other oils

Use FKM diaphragm or PTEE diaphragm

Carbon tetrachloride(CCl4)

It is used in metal processing, and is also used in fire extinguishers. It is a dry cleaning agent and the burning gas is highly toxic

Use PTEE and FKM diaphragms, suffixes "T" and "V"

Hydraulic oil

A phosphate ester lubricant that does not burn easily

Use EPDM diaphragm, suffix "E", PTEE can also be used

coffee

Automatic or semi-automatic splitting machine

Stainless steel or plastic valve

Cooling oil

This oil is used in automatic cutting machines and is often mixed with suspended particles

Require specific consultation

Diesel oil

For engine

FKM diaphragm

butanone

Cleaning agent, glue, flammable liquid

EPDM diaphragm, PTEE also works

Nitric acid(HNO₃)

Generally 60% or 40% water solvent

PTEE diaphragm

Breath_(O2)

Used for welding, cutting, etc

FKM diaphragm

Phosphoric acid(H3PO4)

pharmacy

More than 20%, room temperature, with FKM diaphragm

Skydrol

Special hydraulic working oil (for protection and lubrication)

EPDM diaphragm, PTEE or metal body

steam

The steam furnace emits, dissolves some oxygen and carbon dioxide, and generally has a higher boiling point than ordinary water

EPDM diaphragm

toluene(C₇H₈)

Used to add oil, paint, etc., flammable

EPDM diaphragm

trichloroethylene(C2HCl3)

Highly toxic

EPDM diaphragm

Turpentine, turpentine

Paint, paint, etc

EPDM diaphragm

vacuum

Check whether the valve has a vacuum inlet mark

vinegar

A diluted form of acetic acid

EPDM diaphragm