Pneumatic soft seal butterfly valvePneumatic soft seal butterfly valve

Cylinder type

GT series, AT series, AW series

Valve type

Middle line soft seal butterfly valve

Work way

Double acting piston type, single acting spring return type

Valve type

D671X/F D641X/F

Air pressure

4~8Bar

Connection mode

Clamp type, flange type, etc

Working medium

Dry and clean without corrosive gas

Nominal diameter

DN 50～400mm

Working temperature

Room temperature type: - 20 ℃ to 80 ℃ (nitrile rubber O-rings)

Nominal pressure

1.0~2.5MPa

 High temperature type: - 20 ℃ to 160℃ (fluorine rubber O-rings)

Body material

Cast iron, ductile iron, cast steel, stainless steel, etc

Range of motion

0~90°±5°

Butterfly material

Ductile iron, cast steel, stainless steel, copper, etc

Interface thread

GT52~GT83 G1/8"

Seat tightness

NBR、EPDM、PTFE

And fluorine rubber, etc

GT110~GT210 AT52~AT210 G1/4"

Suitable temperature

NBR、EPDM≤80℃ PTFE≤120℃

Valve position signal

Locator: 4~20mA/reply: full ON/OFF signal

Applicable medium

Water, steam, oil corrosion and the corrosion medium, etc