ASCO Gas Safety Shut Off Valve 158/159
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ASCO Safety Shut Off Valve 159/158
Part #ASC-158-159
Brand : Asco Valves
States : GA, NC, SC, TN, VA
ASCO Safety Shut Off valve solution combines the 158 valve body and the 159 motorized actuator for the ultimate solution.
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ASCO Series 158 Valve Bodies and Series 159 Motorized Actuators are engineered to provide a reliable, certified gas safety shut-off solution for commercial and industrial burner applications.
ASCO Series 158 Valve Bodies are engineered as 2-way normally closed gas safety shut-off valves, specifically designed for integration with the ASCO Series 159 Motorized Actuator, a robust, electrohydraulic linear actuator designed for precise control. Actuators feature motorized operation available in On/Off and High/Low/Off configurations.
This combination provides a reliable solution for combustion systems, offering enhanced safety, durability, and performance in demanding environments.
Features
Wide Temperature Range:
Operates effectively in ambient temperatures from -40°F to 150°F (-40°C to 66°C), suitable for diverse environmental conditions.Optimized Flow Design:
Offers high flow rates ranging from 15.4 to 145.8 Cv (13.3 to 126.1 Kv), accommodating a broad spectrum of applications.Valve Body Construction Options:
Single and monoblock valve body construction. Monoblock construction facilitates easy installation and reduces the overall footprint of the valve assembly.Flexible Mounting:
Allows installation in any orientation, enhancing versatility in system design.Pipe Sizes:
Available in sizes from ¾" to 3" NPT or ISO threaded connections, with pipe adapters to simplify installation and service.158 Valve Body Specifications
Material:
Die-cast aluminum body ensures durability and corrosion resistance.Media Compatibility:
Designed for clean conventional fuel gases such as natural gas, methane, butane, and propane.Operating Pressure Differential:
Handles pressures from 0 to 20 psi (0 to 1.4 bar), with a close-off pressure differential ranging from 2.1 to 5.17 bar (30 to 75 psi).159 Actuator Specifications
Construction:
Rugged design with dual internal control valves for repeatable positioning.Visual Indicators:
Position indicators on both sides display valve open or closed status.Enclosure Options:
- Standard: Type 1 & IP10 general-purpose enclosure.
- Optional: Type 4 & IP65 watertight enclosure for outdoor or wash-down installations.
Voltage Options:
110 AC, 120 AC, 220 AC, 230 AC.Power Requirement:
220 VA maximum.Certifications and Approvals
When paired with the ASCO Series 159 Motorized Actuator, the Series 158 Valve Bodies meet global safety standards, including:
- UL 429
- ANSI Z21.21 / CSA 6.5 C/I
- FM 7400
- EN161 Class A
- RoHS Compliance
Note: UL and CSA certifications do not apply to ISO flanged products (0158A Series), and CE (EN13611 and EN161) certifications do not apply to 158 valves with ANSI flanged connections (T158A Series).
The ASCO Series 158 and 159 combination is specifically designed for on/off control in commercial and industrial gas burners, including applications such as:
- Boilers
- Furnaces
- Ovens
- Dryers
- Incinerators
- Thermal Oxidizers
This makes a combination suitable for use by OEMs, distributors, contractors, and end-users seeking reliable combustion safety shut-off solutions.