Pneumatic ON-OFF Ball Valve

Pneumatic on-off ball valve consists of pneumatic piston actuator and ball valve. Simple structure, rapid switching, large flow capacity, zero leakage, applicable to the fluid with high viscosity, fiber-containing, solid particle. It has been widely used in petrochemical, metallurgy, light industry and other industrial automation field to cut off or open the gas / liquid transport pipeline.

Product Description

Technical data:

● Valve body

Type ON/OFF Ball valve
Size (DN) DN15 ~ DN300 mm
Pressure rating PN1.6 – PN6.4 Mpa
Flange standard JB/T79.1-94, 79.2-94
Body / ball material WCB, CF8, CF8M / CF8, CF8M
Bonnet type Whole type
Packing V-type PTFE / flexible graphite
Seat seal material Soft seal: PTFE, Carbon fiber reinforced PTFE , Composite graphite
Metal seal: CF8, CF8M + Stellite
Operation temperature Seal: PTFE -10~180℃
Seal: Carbon fiber reinforced PTFE -40~200℃
Seal: Composite graphite -40~500℃
Seal: CF8, CF8M + Stellite -40~600℃
Leakage Seal: PTFE Zero leakage
Seal: Carbon fiber reinforced PTFE
Seal: composite graphite < 10^6 of rated flow
Seal: CF8, CF8M + Stellite < 10^5 of rated flow
Flow characteristics quick-opening
Rated travel Full-open 90°
Remark:  For metal seal, it is suggested to select Eccentric semi-ball valve


● Actuator

Type Pneumatic piston actuator
Usage ON/OFF
Action mode Single-action, Normal open
Single-action, Normal closed
Double-action, Normal open
Double-action, Normal closed
Air supply pressure 400 Kpa G
Input signal Switch signal
Environmental temperature -20℃~+80℃





Answer : Please send your question or enquiry to our email:, we will forward the questions to the related engineer.

Answer :  Please communicate with the sales about the return procedure before returning product.

Answer :  The delivery time depends on the order quantity and product specification.  If the product’s specification is conventional ( not special ),  delivery time is 5 or 7 working days for order quantity ≤ 10 pieces;  delivery time is 2 or 3 working weeks for order quantity 15 ~ 30 pieces. 

Answer :  by Courier,  by Sea or by Air

Answer :  Yes,  Generally warranty is one year.

Answer :  From year 2015  to year 2021,  average annual sales is RMB 350 million ( about USD 54.7 million )

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