shutoff valves
High Pressure Electro-Mechanical Gas Safety Shut-off Valves
Industrial Grade Electro-Mechanical Safety Shut-off Valve that stops the flow of gases to the combustion chamber in under a second. Offered in a wide range of body connections, construction materials, with global certifications.
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Overview
These electrically actuated valves shut off gas or oil lines in less than one second. All shut off valves come equipped with MAXON's long-lasting metal-to-metal seating.A variety of optional body materials and body connections provide reliable operation even for highly corrosive fuels and for oxygen.Application flexibility is provided with 3/4 through 6 diameter line sizes, Cv flow factors up to 1230, and line pressures up to 125 PSIG (8.6 bar).
Features & Benefits:
Features & Benefits:
- Electrically actuated valves with powerful closing spring provide closure in less than 1 second for reliable, long-life operation
- Factory Mutual, CSA, UL and CE approved; Canadian registration obtained on all valve bodies
- Hazardous Locations valves approved for Nonincendive Class I, Division 2 areas
- Full assessment to IEC 61508 as SIL 3 capable
- Visual position indication provided
- Cast iron, carbon steel, low temperature carbon steel and stainless steel body assemblies with internal trim options to handle general purpose or corrosive gases; oxygen compatibility available
- Ambient and gas temperature ranges of -20°F to 140°F
- Application flexibility provided with 3/4” (DN20) through 6” (DN150) line sizes & line pressures up to 125 psig
- Unique bonnet design eliminates packing adjustments, reducing maintenance and minimizing drag on closing
- MAXON electro-mechanical gas valves meet Fluid Control Institute (FCI) 70-2 control valve standard for Class VI seat leakage
- Field rotatable top assemblies in 90° increments to fit specific application requirements
- Actuator assemblies available with manual reset or automatic reset operators
- Normally-closed and normally-open versions available
- Overtravel position switches for open and closed position
Specifications
Standards & Certifications
- Hazardous Location Approvals
- FM, CSA, IECEx, KTL, CCC (model‑dependent)
- Approvals
- UL, CSA, FM, CE, SIL 3 (IEC 61508), AGA, GAR, PED, LVD, EMC, IECEx, KTL, Chinese GB
Performance, Flow & Capacity
- Flow Coefficient (Cv/Kvs)
- Varies by size and model; up to 1172 Cv for 6 in high capacity
Pressure Specifications
- Maximum Line Pressure
- Line pressures up to 125 psig
Electrical Specifications
- Maintenance Interval
- Minimal; annual operational and leak testing recommended
Material Specifications
- Valve Body Material
- Cast Iron, Carbon Steel, Low‑Temperature Carbon Steel, Or Stainless Steel
- Seal Material
- Buna, Viton, Ethylene Propylene, Omniflex
Actuation, Valve & Motion Control Specifications
- Valve Closure Time
- <1 seconds (spring return)
- Valve Orientation
- Top assembly rotatable in 90 deg increments
- Actuator Type
- Electro‑mechanical actuator with solenoid and either Automatic or Manual Reset Actuators
- Valve Type
- Shut-off (Normally Closed), Vent (Normally Open)
Temperature Control/Measurement
- Temperature Rating
- -20 to 125 deg F (H Models)
- -20 to 140 deg F (S and C Models)
- 0 deg F min for oxygen service
System Monitoring, Indication & Status
- Visual Indication
- Open/Closed window indicator
Electrical & Signal Specifications
- Electrical Rating
- Motors: up to 667 VA; PCB: up to 25 VA
- Solenoids: 23 to 40 VA (AC), 14 to 34 W (DC)
Installation & Mounting Specifications
- Mounting Options
- Horizontal or vertical installation
- Threaded, Flanged, Socket Welded
Actuation, Control & Motion Characteristics
- Switch Options
- VOS (Valve Open Switch), VCS (Valve Closed Switch), SPDT, DPDT
Dimensions & Size Specifications
- Nominal Sizes
- 3/4 to 6 in (DN20 to DN150)
Overview
- Product Type
- Electrically actuated electro‑mechanical gas safety shut‑off valve
Processing & Performance Metrics
- Cycle Life
- 6,000-20,000 (manual) depending on standards
- Approved for: up to 200,000 cycles (automatic)
Standards & Certifications
- Hazardous Location Approvals
- FM, CSA, IECEx, KTL, CCC (model‑dependent)
- Approvals
- UL, CSA, FM, CE, SIL 3 (IEC 61508), AGA, GAR, PED, LVD, EMC, IECEx, KTL, Chinese GB
Performance, Flow & Capacity
- Flow Coefficient (Cv/Kvs)
- Varies by size and model; up to 1172 Cv for 6 in high capacity
Pressure Specifications
- Maximum Line Pressure
- Line pressures up to 125 psig
Electrical Specifications
- Maintenance Interval
- Minimal; annual operational and leak testing recommended
Material Specifications
- Valve Body Material
- Cast Iron, Carbon Steel, Low‑Temperature Carbon Steel, Or Stainless Steel
- Seal Material
- Buna, Viton, Ethylene Propylene, Omniflex
Actuation, Valve & Motion Control Specifications
- Valve Closure Time
- <1 seconds (spring return)
- Valve Orientation
- Top assembly rotatable in 90 deg increments
- Actuator Type
- Electro‑mechanical actuator with solenoid and either Automatic or Manual Reset Actuators
- Valve Type
- Shut-off (Normally Closed), Vent (Normally Open)
Temperature Control/Measurement
- Temperature Rating
- -20 to 125 deg F (H Models)
- -20 to 140 deg F (S and C Models)
- 0 deg F min for oxygen service
System Monitoring, Indication & Status
- Visual Indication
- Open/Closed window indicator
Electrical & Signal Specifications
- Electrical Rating
- Motors: up to 667 VA; PCB: up to 25 VA
- Solenoids: 23 to 40 VA (AC), 14 to 34 W (DC)
Installation & Mounting Specifications
- Mounting Options
- Horizontal or vertical installation
- Threaded, Flanged, Socket Welded
Actuation, Control & Motion Characteristics
- Switch Options
- VOS (Valve Open Switch), VCS (Valve Closed Switch), SPDT, DPDT
Dimensions & Size Specifications
- Nominal Sizes
- 3/4 to 6 in (DN20 to DN150)
Overview
- Product Type
- Electrically actuated electro‑mechanical gas safety shut‑off valve
Processing & Performance Metrics
- Cycle Life
- 6,000-20,000 (manual) depending on standards
- Approved for: up to 200,000 cycles (automatic)
- Hazardous Location Approvals : FM, CSA, IECEx, KTL, CCC (model‑dependent)
- Flow Coefficient (Cv/Kvs) : Varies by size and model; up to 1172 Cv for 6 in high capacity
- Maximum Line Pressure : Line pressures up to 125 psig
- Maintenance Interval : Minimal; annual operational and leak testing recommended
- Valve Body Material : Cast Iron, Carbon Steel, Low‑Temperature Carbon Steel, Or Stainless Steel
- Valve Closure Time : <1 seconds (spring return)
- Temperature Rating : -20 to 125 deg F (H Models)|-20 to 140 deg F (S and C Models)|0 deg F min for oxygen service
- Visual Indication : Open/Closed window indicator
- Valve Orientation : Top assembly rotatable in 90 deg increments
- Electrical Rating : Motors: up to 667 VA; PCB: up to 25 VA|Solenoids: 23 to 40 VA (AC), 14 to 34 W (DC)
- Mounting Options : Horizontal or vertical installation|Threaded, Flanged, Socket Welded
- Switch Options : VOS (Valve Open Switch), VCS (Valve Closed Switch), SPDT, DPDT
- Seal Material : Buna, Viton, Ethylene Propylene, Omniflex
- Nominal Sizes : 3/4 to 6 in (DN20 to DN150)
- Actuator Type : Electro‑mechanical actuator with solenoid and either Automatic or Manual Reset Actuators
- Product Type : Electrically actuated electro‑mechanical gas safety shut‑off valve
- Valve Type : Shut-off (Normally Closed), Vent (Normally Open)
- Cycle Life : 6,000-20,000 (manual) depending on standards|Approved for: up to 200,000 cycles (automatic)
- Approvals : UL, CSA, FM, CE, SIL 3 (IEC 61508), AGA, GAR, PED, LVD, EMC, IECEx, KTL, Chinese GB
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018428
VCS-1(SOV)VOS-1(STO)SWITCH SET
018428
VCS-1(SOV)VOS-1(STO)SWITCH SET
018429
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018429
VCS-2(SOV)VOS-2(STO)SWITCH SET
075SMA11
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075SMA11
.75" E/M STD FLOW GP AUTO SHUT-OFF VALVE
075SMA12
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075SMA12
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075SMA21
.75" E/M STD FLOW GP AUTO VENT VALVE
075SMA21
.75" E/M STD FLOW GP AUTO VENT VALVE
075SMA22
.75" E/M STD FLOW NI AUTO VENT VALVE
075SMA22
.75" E/M STD FLOW NI AUTO VENT VALVE
075SMM11
.75" E/M STD FLOW GP MAN SHUT-OFF VALVE
075SMM11
.75" E/M STD FLOW GP MAN SHUT-OFF VALVE
075SMM12
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075SMM12
.75" E/M STD FLOW NI MAN SHUT-OFF VALVE
075SMM21
.75" E/M STD FLOW GP MAN VENT VALVE
075SMM21
.75" E/M STD FLOW GP MAN VENT VALVE
075SMM22
.75" E/M STD FLOW NI MAN VENT VALVE
075SMM22
.75" E/M STD FLOW NI MAN VENT VALVE
