Key Specifications / Features

Items:Pneumatic Butterfly Valve. 
Valve Manufacturing standards: API, ANSI, BS, DIN, JIS
Butterfly Valve Sealing: resilience-seated (PTFE, RPTFE), metal-seated. 
Valve Size range: from 1-1/4 inch to 64 inch (DN32mm - DN1600mm). 
Pressure: 150lbs, 300lbs, 600lbs. 
Applicable Tempt.: from -40 degrees C to 425 degrees C. 
Butterfly Valve Connection: flanged, wafer, lug. 
Valve Body materials: carbon steel, stainless steel, alloy steel. 

Actuator
Pneumatic wafer butterfly valve utilizes GT pneumatic actuator, having double-acting and single-acting (spring reset). It is drove by gear, safe and reliable. Large diameter valve utilizes AW pneumatic actuator. It has reasonable structure, large torque output, double-acting and single-acting.
1. Gear dual piston, large output torque, small volume
2. Cylinder, made of aluminum gold, has light weight and beautiful form.
3. Manual handle can be installed on the top or at the bottom.
4. Gear connection can regulate opening angle and rated flow.
5. Actuator can ba attached with electric signal indication or other attachment to realize automation.
6. ISO05211 standard connection plate makes the production installation and change more easily. 

Options of accessories:
Accessories based on different control or requirements
Cut off accessories: single solenoid valve, double solenoid valve, limit switch echo
Regulated accessories: electric positioner, pneumatic positioner, electric converter
Air supply treatment accessories: air filtrating pressure reducing valve, air supply FRL
Manual handle: HVSD manual handle

 Sealing Material and Applicable Temperature