Pneumatic Triple Offset Butterfly Valve

The Pneumatic Triple Offset Butterfly Valve combines a triple-eccentric sealing structure with a pneumatic actuator to provide reliable shut-off and automated control for demanding industrial pipelines.

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Product Introduction

The triple offset design eliminates friction between the disc and seat during operation, allowing the valve to achieve tight metal sealing while reducing wear on sealing surfaces. With pneumatic actuation, the valve can be remotely controlled through PLC or DCS systems, making it suitable for modern automated facilities.

Technical Specifications

Parameter	Specification
Valve Type	Triple Offset Butterfly Valve
Actuator	Pneumatic (Double Acting / Spring Return)
Size Range	DN50 – DN1200
Pressure Rating	PN16 – PN100 / Class150 – 600
Body Material	WCB, CF8, CF8M, Duplex Steel
Seat Type	Metal Seated
Temperature Range	-29°C to 550°C
Connection	Wafer / Lug / Flanged
Control Type	On/Off or Modulating
Standards	API609 / ANSI / DIN / GB

Structure Design

The triple offset geometry ensures minimal friction and precise sealing.

Three offsets include:
Shaft offset from the seat centerline
Disc offset from the valve centerline
Conical sealing surface offset

This design allows the valve to achieve tight metal sealing only at the final closing position, greatly reducing wear.

Applications

The Pneumatic Triple Offset Butterfly Valve is widely used in industrial pipeline systems requiring reliable isolation and automated control.

Typical industries include:
☆Oil and gas pipelines
☆Petrochemical processing plants
☆Power plant steam systems
☆LNG and gas processing facilities
☆Industrial utility pipelines

Packaging and Delivery

To ensure safe transportation for international orders, valves are carefully packed using export-grade materials.

01/

Packaging methods include
Anti-rust protection for internal parts
Protective covers on flange faces
Export plywood cases
Secure internal fixation

02/

Standard delivery time
Standard models: 7–15 days
Customized orders: 20–30 days

FAQ

Q: What is the minimum order quantity (MOQ)?

A: The MOQ is usually 1 piece for standard valves and negotiable for bulk orders.

Q: What payment methods do you accept?

A: Common payment terms include T/T, L/C at sight, and other negotiable international payment methods.

Q: What trade terms do you support?

A: We support EXW, FOB, CFR, and CIF according to customer requirements.

Q: What is the typical delivery time?

A: Standard valves are usually delivered within 7–15 days, while customized valves require about 20–30 days.

Q: Do you provide product quality guarantees?

A: Yes, all valves undergo pressure testing and functional inspection before shipment to ensure quality.

Q: Is third-party inspection available?

A: Yes, third-party inspection by SGS, BV, or TUV can be arranged upon request.

Q: What packaging is used for export shipments?

A: Valves are packed in protective plywood export cases with anti-corrosion treatment.

Q: Can the valve be customized?

A: Yes, materials, pressure ratings, flange standards, and actuator configurations can be customized.

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