safety shut off valves
HON 703
HON 703 is a twin safety shut-off valve (two SSV units in one common valve body) that can be direct-acting or pilot-operated according to DIN EN 14382.
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Overview
Features and Benefits:
- Device for industrial facilities and individual consumers
- Also suitable for low-load lines in larger gas pressure regulating stations
- Easy to maintain due to exchangeable function units (cartridge assembly)
- Design with actuator systems: K 1a, K 2a/1, K 2a/2, K 16, K 17, K 18, K 19
- Function Class A (B)
- Two Safety Shut-off Valves (SSVs) working independently of each other in one common valve body (twin version)
- Compact and easy-to-use design
- Optionally with vent valve HON 915
- Suitable for non-aggressive gases, other gases on enquiry
- CE-registration according to PED
- Max. admissible pressure PS: 100 bar
- Max. operating pressure pmax: up to 100 bar
- Setting range
- For over-pressure: Wdso 50 mbar to 90 bar
- For under-pressure: Wdsu 10 mbar to 90 bar
- Connection
- Pipe connections according to DIN EN ISO 8434-1 (DIN 2353), PN 100, for pipe diameters 10 mm through 42 mm
- DIN flange PN 25, PN 40 and Flange Class 300, Class 600 according to ANSI 16.5 with transition pieces in DN 25, DN 40 and DN 50
- Response time t: 0.1 to 0.3 s
- Additional features (as requested by customer)
- Electromagnetic release
- Electric signal sensor for valve position 'closed' (proximity switch)
- Manual release
- Valve combination available together with HON 200 and HON 201
Specifications
Applications & Compatibility
- Applications
- For natural gas and non-aggressive gases
- Safety shut-off valve for municipal, industrial, and individual gas pressure regulating systems
- Suitable for low-load rails in larger control systems
Mechanical & Physical Properties
- Valve Seat Diameter
- 25 mm
- Supplemental Fixture
- Electrical Release, Electrical Position Indicator, Manual Release, Screw-In Port for Combination With HON 200/201
I/O Capabilities
- Valve Configuration
- Tandem SSV (two independent safety shut-off devices in one valve body)
Environmental Conditions
- Temperature Range
- -20 to +60 deg C (Class 2)
- Outlet Pressure Range
- For over-pressure Wdso 50 mbar to 90 bar; For under-pressure Wdsu 10 mbar to 90 bar
- Maximum Operating Pressure
- Up to 100 bar (depending on connection type) kilopascal
Material Specifications
- Materials
- Aluminum Alloy or Steel
Standards & Certifications
- Explosion Protection
- All mechanical components of this device are without potential ignition sources and/or hot faces. They are not subject to ATEX 95 (94/9/EC). All electronic accessories, on the other hand, meet ATEX requirements.
- Approvals
- CE Mark with PED
Communication & Protocols
- Control Devices
- K 1a, K 2a, K 16, K 17, K 18 (various setpoint springs and adjustment ranges for over/under pressure)
Technical Specifications
- Connection Type
- Flange (DIN PN 25/40, ANSI 300/600, DN 25/40/50)
- Inlet/Outlet: Screwed Pipe Connection (DIN 2353, PN 100, for pipe diameters 10 to 42 mm)
Applications & Compatibility
- Applications
- For natural gas and non-aggressive gases
- Safety shut-off valve for municipal, industrial, and individual gas pressure regulating systems
- Suitable for low-load rails in larger control systems
Mechanical & Physical Properties
- Valve Seat Diameter
- 25 mm
- Supplemental Fixture
- Electrical Release, Electrical Position Indicator, Manual Release, Screw-In Port for Combination With HON 200/201
I/O Capabilities
- Valve Configuration
- Tandem SSV (two independent safety shut-off devices in one valve body)
Environmental Conditions
- Temperature Range
- -20 to +60 deg C (Class 2)
- Outlet Pressure Range
- For over-pressure Wdso 50 mbar to 90 bar; For under-pressure Wdsu 10 mbar to 90 bar
- Maximum Operating Pressure
- Up to 100 bar (depending on connection type) kilopascal
Material Specifications
- Materials
- Aluminum Alloy or Steel
Standards & Certifications
- Explosion Protection
- All mechanical components of this device are without potential ignition sources and/or hot faces. They are not subject to ATEX 95 (94/9/EC). All electronic accessories, on the other hand, meet ATEX requirements.
- Approvals
- CE Mark with PED
Communication & Protocols
- Control Devices
- K 1a, K 2a, K 16, K 17, K 18 (various setpoint springs and adjustment ranges for over/under pressure)
Technical Specifications
- Connection Type
- Flange (DIN PN 25/40, ANSI 300/600, DN 25/40/50)
- Inlet/Outlet: Screwed Pipe Connection (DIN 2353, PN 100, for pipe diameters 10 to 42 mm)
- Applications : For natural gas and non-aggressive gases|Safety shut-off valve for municipal, industrial, and individual gas pressure regulating systems|Suitable for low-load rails in larger control systems
- Valve Seat Diameter : 25 mm
- Valve Configuration : Tandem SSV (two independent safety shut-off devices in one valve body)
- Temperature Range : -20 to +60 deg C (Class 2)
- Supplemental Fixture : Electrical Release, Electrical Position Indicator, Manual Release, Screw-In Port for Combination With HON 200/201
- Outlet Pressure Range : For over-pressure Wdso 50 mbar to 90 bar; For under-pressure Wdsu 10 mbar to 90 bar
- Maximum Operating Pressure : Up to 100 bar (depending on connection type) kilopascal
- Materials : Aluminum Alloy or Steel
- Explosion Protection : All mechanical components of this device are without potential ignition sources and/or hot faces. They are not subject to ATEX 95 (94/9/EC). All electronic accessories, on the other hand, meet ATEX requirements.
- Control Devices : K 1a, K 2a, K 16, K 17, K 18 (various setpoint springs and adjustment ranges for over/under pressure)
- Connection Type : Flange (DIN PN 25/40, ANSI 300/600, DN 25/40/50)|Inlet/Outlet: Screwed Pipe Connection (DIN 2353, PN 100, for pipe diameters 10 to 42 mm)
- Approvals : CE Mark with PED
Brochure
Name
Description
File Size
Date
Size
HON 703 and HON 704 are used as main safety devices in gas pressure regulating systems in municipal consumers, industrial stations and
application/pdf 1.14 MB
11/7/2025
1.14 MB
Name
Description
File Size
Date
Size
HON 703 and HON 704 are used as main safety devices in gas pressure regulating systems in municipal consumers, industrial stations and
application/pdf 1.14 MB
11/7/2025
1.14 MB
Name
Description
File Size
Date
Size
HON 703 and HON 704 are used as main safety devices in gas pressure regulating systems in municipal consumers, industrial stations and
1.14 MB
11/7/2025
Name
Description
File Size
Date
Size
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HON703
Savety Shut-Off Valve HON 703
HON703
Savety Shut-Off Valve HON 703
