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Pneumatic Fixed Ball Valve

Pneumatic Fixed Ball Valve

Pneumatic Fixed Ball Valve

Design and manufacturing:GB/T12234
The structural length:GB/T12221
Connection forms:HG/T20592-20605 GB/T9112-9124
Inspection and test:GB/T13927
Size: DN15 ~ DN800 (1/2″ ~ 32″)
Pressure temperature level: GB/T12224
Drive mode: Pneumatic
Pressure: PN16-PN64

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Product Overview

A pneumatic fixed ball valve is a trunnion-mounted ball valve designed for high-pressure and large-diameter pipeline applications requiring reliable automated control. Driven by a pneumatic actuator, it offers low operating torque, fast response, and stable metal or soft sealing performance. Suitable for media such as water, gas, oil, natural gas, and corrosive fluids, it operates across a wide temperature range and is widely used in oil & gas, chemical processing, power generation, and industrial pipeline systems.

Product Features

  • Trunnion-mounted (fixed ball) design ensures low operating torque and stable sealing under high pressure
  • Pneumatic actuation enables fast, reliable on/off control for automated pipeline systems
  • Wide media compatibility: suitable for water, gas, oil, natural gas, and corrosive acid/alkali fluids
  • Broad temperature range: −196°C to 350°C, ideal for cryogenic and high-temperature services
  • Multiple operation options: manual, pneumatic, electric, and hydraulic drives available
  • Large size coverage: DN15–DN800 (1/2″–32″) to meet diverse pipeline requirements
  • Oxygen service options available (Electric: SMQ947F, Pneumatic: SMQ647F, Manual: Q347F) with special cleaning and material control

Specification Parameters

ItemChinese StandardAPI StandardANSI / ASME Standard
Design StandardGB/T 12237API 6DANSI B16.34
Face-to-Face (Flanged)GB/T 12221API 6DANSI B16.10
Face-to-Face (Welded)GB/T 15188API 6DANSI B16.10
Flange ConnectionGB/T 9113 / JB/T 79 / HG 20592—ANSI B16.5 / ANSI B16.47
Butt-Weld EndsGB/T 12224—ANSI B16.25
Testing & InspectionGB/T 9092API 6DAPI 598

Pressure Ratings & Test Pressures:

Pressure SystemNominal Pressure / ClassShell Test Pressure (MPa)Seat Test Pressure (MPa)
PNPN 1.01.51.1
PNPN 1.62.51.76
PNPN 2.53.82.75
PNPN 4.06.04.4
PNPN 6.49.67.04
ANSIClass 1503.02.2
ANSIClass 3007.65.6
ANSIClass 60015.011.0

Specification Applications

  • Oil & gas pipelines for automated on/off control under high pressure
  • Natural gas transmission and distribution systems requiring safe, fast actuation
  • Petrochemical and chemical processing plants handling corrosive media
  • Power generation facilities for steam, condensate, and auxiliary systems
  • Water supply and industrial fluid pipelines with remote control requirements
  • Cryogenic and high-temperature services (−196°C to 350°C)
  • Oxygen and special gas systems with controlled pneumatic operation
  • Large-diameter pipeline networks where low operating torque is critical
Product Categories
Tags

Valve Actuation

Process Optimization

Precision Engineering

Pipeline Solutions

Industrial Valves

Flow Control

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