Pneumatic Butterfly Control Valve, Lined PO, PE, PP, FEP, PTFE, PFA
The lined butterfly control valve consists of a pneumatic piston actuator along with a PFA or PTFE lined butterfly valve. The PFA PTFE lined butterfly control valve has excellent anti-corrosion performance, since the valve trim is lined with PFA or PTFE, for example disc, stem, body, etc.
The lined butterfly control valve has the benefits of corrosion resistance, no leakage, lengthy existence, etc. It's appropriate for working conditions with corrosion or cleanliness needed with temperature ≤180 °C. It may be put on any power of acidity, alkali, salt and oxidant, reducing agent, organic solvent along with other medium. Pneumatic lined PFA PTFE butterfly control valve is a perfect product for using shut-off and control equipment for gas, liquid and semi-fluid pipelines and vessels in chemical, oil, pharmaceutical, food, iron and steel smelting, papermaking, hydropower along with other systems.
Technical Parameters of PFA PTFE Lined Butterfly Control Valve:
Valve Body Type
staight-way cast butterfly valve
HG/T20592-2009,ANSI B16.5,JIS B220
gland compression type
V-type PTFE, flexible graphite
equal percentage,quick open,linear
Air Supply Pressure
Air Source Interface
solenoid valve,air filter pressure reducing valve,limit switch
Main Performance Specification of Lined Butterfly Control Valve:
Low Pressure Air Tightness Test
Concentrated sulfuric acid, hydrochloric acid, nitric acid,
hydrofluoric acid,aqua regia,various organic acids,strong acids,
oxidizing medium or high temperature olefinic sulfuric acid,
high temperature concentrated acetic acid, acid and alkali alternates
and various organic solvents and other highly corrosive medium.
with positioner：less than 2% of full travel
with positioner：less than ±2% of full travel
ANSI B16.104 IV class
The Dimensions of Flanged Lined Butterfly Control Valve:
The Features of Lined Butterfly Control Valve:
1. Small size, lightweight, simple operation, easy installation and maintenance
2. Excellent sealing performance, zero leakage and lengthy service existence
3. The flow sign of lined butterfly control valve is commonly straight line and also the controlling performance is optimal
4. Simple structure, quick switch, 90° rotation and frequent lowering and raising
5. It may replace using various valves for example gate valve, globe valve, plug valve, hose valve and diaphragm valve
6. Pneumatic and electric devices could be configured based on user needs to meet the requirements of handheld remote control and program control
7. Different processes and lining materials could be available for various medium
8. It's broadly utilized in chemical, pesticide, papermaking, water treatment, printing and dyeing, etc. For corrosion resistant applications with large diameters, it's suggested to select a corrosion resistant lined butterfly control valve.
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