Pneumatic Ventilation Butterfly Valve Double Acting 16bar 310S Hot Gas Flange For 1000 Degrees Gas

The pneumatic ventilation butterfly valve is a gas medium control device powered by compressed air, mainly used for gas flow regulation and shut-off operations in industrial pipeline systems such as building materials, metallurgy, and power. Pneumatic actuated ventilation butterfly valve adopts a design of welding a centerline butterfly plate with a short structural steel plate. It features a compact structure, low flow resistance and large flow capacity. The pneumatic operated ventilation butterfly valve can be controlled by rotating 90° to achieve medium on-off control and is suitable for horizontal or multi-station installation.

The flange pneumatic ventilation butterfly valve core structure consists of a sealing assembly composed of a soft T-ring and multiple layers of stainless steel plates. Combined with the inclined conical valve plate design, it can achieve automatic compensation sealing under bidirectional medium pressure, and has both the adaptability of soft sealing and the high-temperature resistance of metal hard sealing (≤300℃). The pneumatic ventilation butterfly valve body material can be selected from corrosion-resistant materials such as cast steel and stainless steel. It is equipped with GT/AW type pneumatic actuators, supporting double-acting/single-acting actuator and automation accessories such as solenoid valves and positioners.

The nominal diameter of 310S pneumatic ventilation butterfly valve covers DN50-DN4000, and the nominal pressure is ≤0.6MPa. The pneumatic ventilation flange butterfly valve complies with national standards such as GB/T 12238 and is suitable for medium environments such as dusty gas and flue gas. It is widely used in boiler and kiln flue control and environmental protection projects. The butterfly plate can be prevented from getting stuck due to thermal expansion and contraction by adjusting the ring spring mechanism.

01) Actuator Body : Corrosion protected aluminium extruded body.
02) Movement Option : 2 Position 90° Turn , 2 Position 120° Turn , 2 Position 180° Turn , 3 Position 90° Turn , 3 Position 180° Turn.
03) Indicator : It is standard on all actuators.
04) Caps : Aluminium extruded caps provide maximum resistance against corrosion, caps are suitable for single and double acting actuators.
05) Stroke Adjustment : Permit adjustment of ± 5% in both directions.
06) Springs : Cartridge design and corrosion resistant springs.
07) Piston Bearing O-rings : Long lasting
08) Nuts and Bolts : Stainless steel and high resistance for corrosion.
09) Actuator Pistons : Aluminium injections. High quality o-rings and against corrosion.
10) Connections : Limit Switch Box , Proximity Switch , P/P Pneumatic Positioner ( Control Input Signal Is 0.20-1.03 Bar or 3-15 PSI ) , E/P Electro Pneumatic Positioner ( Control Input Signal Is 4-20mA ) , 3/2 Way Namur Solenoid Valve , 5/2 Way  Namur Solenoid Valve , Air Filter Regulator , Declutchable Gear Box , Ball Valve , Butterfly Valve , Plug Valve
11) Cycle Life : 1,000,000 Operations

12) Temperature Range : High Temperature (FKM) -15°C~+150°C / +5°F~+302°F , Standard Temperature (NBR) -20°C~+80°C / -4°F~+176°F , Low Temperature (L-NBR) -40°C~+65°C / -40°F~+149°F

13) Air Supply Pressure : Minimum supply pressure is 2.41 Bar or 35 PSI , Maximum supply pressure is 10.34 Bar or 150 PSI

14) Actuator Operation Mode :

• Single Action ( Spring Return / Fail-Safe )
Option No.1: Air-To-Open / Fail Close / FC / Spring-To-Close / Normally Closed / NC
Option No.2: Air-To-Close / Fail Open / FO / Spring-To-Open / Normally Open / NO

• Double Action
Air-To-Open And Air-To-Close

Air to port A forces the pistons outwards, causing the springs to compress, The pinion turns counterclockwise while air is being exhausted from port B.

Loss of air pressure on port A, the stored energy in the springs forces the pistons inwards. The pinion turns clockwise while air is being exhausted from port A.

Air to port B forces the pistons outwards, causing the springs to compress, The pinion turns counterclockwise while air is being exhausted from port B.

Loss of air pressure on port A, the stored energy in the springs forces the pistons inwards. The pinion turns clockwise while air is being exhausted from port A.

Air to Port A forces the pistons outwards, causing the pinion to turn counterclockwise while the air is being exhausted from Port B.

Air to Port B forces the pistons inwards, causing the pinion to turn clockwise while the air is being exhausted from Port A.

Air to Port A forces the pistons outwards, causing the pinion to turn clockwise while the air is being exhausted from Port B.

Air to Port B forces the pistons inwards, causing the pinion to turn counterclockwise while the air is being exhausted from Port A.

● Q1: ARE YOU A MANUFACTURER OR A TRADE COMPANY?

A1: We are a 29 years professional valve automation integration valve manufacturer, we produce and sale directly from our factory.

● Q2: IS THERE A TECHNICAL ENGINEER'S GUIDE FOR INSTALLATION BEFORE OR AFTER SALE?

A2: Yes, no worries. Our technical engineer will remote video, installation guide, commissioning valve.

● Q3: WHAT IS YOUR TERMS OF PAYMENT?

A3: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.

● Q4: WHAT IS YOUR TERMS OF DELIVERY?

A4: EXW, FOB, CFR, CIF, DAP, DDP. 

● Q5: HOW ABOUT YOUR DELIVERY TIME?

A5: Generally, it will take 2 to 5 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

● Q6: DO YOU TEST ALL YOUR GOODS BEFORE DELIVERY?

A6: Yes, we have 100% test before delivery.

● Q7: HOW DO YOU MAKE OUR BUSINESS LONG-TERM AND GOOD RELATIONSHIP?

A7: We keep good quality and competitive price to ensure our customers benefit; we respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.