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O Type Ball valve

Designed for efficient on-off service and dependable pipeline isolation, the O Type Ball Valve uses a spherical closure element with a full circular bore to provide a direct flow path and reliable shut-off. The quarter-turn operating mechanism allows rapid opening and closing, while the floating or trunnion-supported ball configuration can be selected according to pressure, size, and service requirements. Its streamlined passage helps minimize turbulence and pressure loss during normal operation.

The O Type Ball Valve is suitable for oil & gas, natural gas, petrochemical, chemical processing, water treatment, power generation, and general industrial applications. With a range of body materials, seat configurations, pressure ratings, and actuation options, it provides a flexible solution for systems requiring quick isolation, efficient flow passage, and dependable sealing performance.

Technical Specifications

Product description:

O Type Ball valve

Model:

Q641WO Type Ball valve

Nominal diameter:

NPS 2"~16"

Operating temperature:

-46℃~121℃

Operating pressure:

Class 150Lb~1500Lb

Material:

WCB、LCB、LCC、15Cr1MoV、Cr5Mo、0Cr18Ni9Ti、00Cr18Ni10、0Cr18Ni12Mo2Ti

Design standard:

GB/T 12237、JB/T7745

Structural length:

GB/T 12221、JB/T1686

Connecting end:

GB、JB、SH、HG

Test standard:

JB/T 9092、GB/T 13927

Operation method:

Manual、Gear、Electric、Pneumatic、Manual-Air-Hydraulic

Application fields:

Water, petroleum and natural gas

Features & Benefits

Provides precise automatic control of flow, pressure, temperature, and liquid level for optimized process performance.

Full Circular Bore

The spherical ball provides a smooth flow passage when fully open, helping reduce pressure loss and turbulence.

Quarter-Turn Operation

A 90-degree rotation enables rapid isolation and efficient valve operation.

Reliable Shut-Off

Precision-matched ball and seat surfaces provide effective sealing across a range of process conditions.

Low Flow Resistance

The streamlined bore minimizes obstruction to the medium, supporting efficient pipeline operation.

Flexible Ball Support Options

Floating and trunnion-mounted configurations can be selected according to valve size, pressure class, and operating torque requirements.

Low Operating Torque

Optimized sealing geometry helps limit friction and operating loads, facilitating manual or automated operation.

Compact Installation

The quarter-turn configuration provides an efficient arrangement for piping systems where quick operation and limited space are important.

Multiple Seat Materials

Soft-seated, fire-safe, or metal-seated configurations can be selected for different media, temperatures, and service conditions.

Automation Ready

Compatible with pneumatic, electric, hydraulic, and other actuation systems for remote or automated operation.

Broad Industrial Application

Suitable for oil & gas pipelines, natural gas systems, petrochemical plants, refineries, chemical processing, water systems, and general industrial services.

Application Scenario

Testing Equipment

Certification and Testing

Our engineering team evaluates these factors to ensure long-term reliability and regulatory compliance.

FAQ

Q What is a control valve used for?

Control valves automatically regulate flow, pressure, temperature, and liquid level to maintain stable and efficient process operation.

Q How does a control valve work?

A control valve receives signals from a controller and adjusts the valve opening through an actuator to achieve the required process conditions.

Q What actuator types are available?

Control valves can be equipped with pneumatic, electric, or hydraulic actuators, depending on the application requirements.

Q How do I select the right control valve?

Valve selection depends on process media, flow rate, pressure, temperature, valve size, and the required control accuracy.

Q What is the difference between a control valve and an on/off valve?

An on/off valve is designed for isolation, while a control valve continuously modulates flow to maintain precise process parameters.

Q Which industries commonly use control valves?

Control valves are widely used in chemical processing, oil & gas, LNG, power generation, pharmaceutical manufacturing, food processing, and industrial automation systems.

Are you still looking for a manufacturer of fluid control valves?

Hangzhou Kaiwei Valve Group Co, Ltd, established in 2015, is a cutting-edgeindustrial enterprise that specializes in the R&D, design, casting, production,and sales of fluid control products and services

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