Jianqiao Valve Industry Group Co., Ltd. Jianqiao Valve Industry Group Co., Ltd.
Pneumatic emergency shut-off valve

Pneumatic emergency shut-off valve

Pneumatic emergency shut-off valve
Pneumatic emergency shut-off valve

Pneumatic emergency shut-off valve
Pneumatic emergency shut-off valve

Pneumatic Emergency Shut-off Valve | Air Operated Gas Cut-off Valve | Safety Control Valve

Share:

The Pneumatic Emergency Shut-Off Valve is a high-performance safety valve designed for rapid isolation and emergency shutdown of gas, liquid, and industrial fluid pipelines. Driven by pneumatic actuators, the valve provides fast response, reliable shut-off performance, and enhanced safety protection in critical operating environments.

Designed for demanding industrial applications, this valve ensures immediate flow interruption when emergency signals are received, helping prevent accidents, equipment damage, and potential safety hazards. Its robust construction, excellent sealing performance, and automated control capability make it an ideal solution for modern industrial safety systems.

The pneumatic emergency shut-off valve is widely used in oil & gas, chemical processing, power generation, LNG, and industrial automation systems where quick and reliable emergency isolation is required.

Key Features:

  • Fast pneumatic actuation for emergency shutdown
  • Reliable sealing with low leakage performance
  • Automatic remote control capability
  • High-pressure and high-temperature resistance
  • Compact structure with easy maintenance
  • Fail-safe design options available
  • Suitable for gas, liquid, and industrial media
  • Long service life under harsh working conditions

Pneumatic emergency shut-off valve

OEM Capability & Customization Services

We provide professional OEM and ODM manufacturing services to develop customized pneumatic emergency shut-off valve solutions according to customer requirements.

Customization Capabilities:

1. Valve Structure Customization

  • Customized valve body design
  • Customized valve size and dimensions
  • Customized flange or threaded connections
  • Customized actuator mounting structure
  • Customized installation direction

2. Material Customization

  • Stainless steel valve body
  • Carbon steel construction
  • Brass alloy options
  • Special alloy materials for corrosive environments
  • Customized sealing materials

3. Performance Customization

  • Customized pressure ratings
  • Customized operating temperature range
  • Customized flow capacity
  • Customized actuator torque
  • Customized fail-safe function:
    • Fail Close (FC)
    • Fail Open (FO)
    • Double Acting (DA)

4. Control System Customization

  • Pneumatic actuator customization
  • Solenoid valve integration
  • Limit switch installation
  • Position indicator customization
  • Remote control interface

5. Branding & Manufacturing Services

  • Customer logo marking
  • Customized packaging
  • Technical documentation support
  • Prototype development
  • Small batch and mass production capability

Certifications & Quality Assurance

Our Pneumatic Emergency Shut-Off Valves are manufactured under strict quality control systems and comply with international valve industry standards.

Available Certifications & Standards:

  • ISO 9001 Quality Management System
  • CE Certification
  • RoHS Compliance
  • API Standards (Applicable Models)
  • ASME Standards (Applicable Models)
  • EN Valve Standards
  • Pressure Equipment Compliance
  • Explosion-Proof Certification (Optional)
  • Material Test Certificates
  • Pressure & Leakage Test Reports

Quality Control Process:

  • Raw material inspection
  • CNC precision machining inspection
  • Pressure testing
  • Pneumatic actuator performance testing
  • Leakage testing
  • Functional operation testing
  • Final quality inspection

Each valve is tested to ensure fast response, safe operation, and reliable emergency shutdown performance.

Parameter Specifications

Item Specification
Product Name Pneumatic Emergency Shut-Off Valve
Valve Type Pneumatic Safety Shut-Off Valve
Operation Method Pneumatic Actuation
Application Medium Natural Gas, LPG, Oil, Water, Chemical Fluids
Valve Function Emergency Isolation and Shut-Off
Valve Structure Ball Valve / Butterfly Valve / Globe Valve (Optional)
Nominal Size DN15–DN500 (Customized Available)
Connection Type Flanged / Threaded / Welded
Flange Standard ANSI / DIN / JIS / GB
Valve Body Material Stainless Steel / Carbon Steel / Brass
Actuator Type Pneumatic Single Acting / Double Acting
Control Pressure 0.3–0.8 MPa
Working Pressure PN10–PN100 / Class 150–600 (Customized)
Operating Temperature -40℃ to +180℃ (Customized Available)
Sealing Material PTFE / NBR / EPDM / Metal Seal
Response Time Fast Emergency Shut-Off Response
Control Signal Pneumatic / Electric-Pneumatic Control
Leakage Rate High Tightness, Low Leakage
Safety Function Fail Close / Fail Open / Fail Safe
Protection Grade IP65 / IP67 (Optional)
Service Life Long Cycle Operation Design
Certification ISO, CE, API, EN Standards
OEM Service Structure, Material, Actuator, Logo, Packaging Customization

Industry Applications

The Pneumatic Emergency Shut-Off Valve is widely used in industries requiring automatic safety isolation and emergency control.

Oil & Gas Industry

  • Natural gas pipelines
  • Gas processing facilities
  • Oil transportation systems
  • LNG terminals
  • Fuel storage systems

Chemical & Petrochemical Industry

  • Chemical processing plants
  • Hazardous material pipelines
  • Reactor safety systems
  • Chemical storage facilities

Energy Industry

  • Power generation plants
  • Gas turbine systems
  • Boiler fuel supply systems
  • Renewable energy gas systems

Industrial Automation

  • Automated production lines
  • Process control systems
  • Industrial fluid control equipment
  • Smart factory safety systems

Commercial & Infrastructure Applications

  • Large gas supply systems
  • Building energy management systems
  • Central heating systems
  • Emergency gas isolation systems

Material customization plan

Customized 316L stainless steel valves forGerman chemical enterprises. Resistant tostrong corrosion, suitable for their acidicmedium transportation systems, with aservice life extended to over 8 years.

Structural optimization design

For the Saudi desert project, the valve stemsealing structure was changed to a doublebellows design to address the leakage issuein the high-temperature and dustyenvironment, and it was highly recognizedby the customers.

Interface standard adaptation

Customized API 600 standard valves for acertain company in the United States. Theflange size is fully compatible with ANSIB16.5, ensuring zero error during on-siteinstallation and reducing the constructionperiod by 30%.

RELATED PRODUCTS