Product Information
Kingston Low Profile Safety Valve
Sizes: 1/4″
Pressure Range: 5 – 300
Application: Compressed Air Systems
Kingston Model 128AT Low Profile Safety Valve is a pop-style safety valve constructed from brass and feature a Buna-N Disc on a brass seat. The Model 128 series is a low profile, low flow valve. Same design as Model 128A but with a toggle for latching open.
Pull Ring Option (128AP) and Viton Option (128AF) available.
Set pressure range 5 to 300 psi (5 psi increments only)
Maximum temperature -40°F to 225°F
Additional Information
| Model Family | 128AT |
|---|---|
| Inlet size | 1/4″ |
| Inlet Orifice | 0.235 |
| Height | 1-7/8″ |
| Hex | 5/8″ |
| Pressure Range | 5-300 |
| Approx. Shipping Weight | 2.2 oz |
| Max Temp | 225 |
| Valve Types | Safety Valves |
| Applications | Compressed Air Systems |
| Features | Stainless Steel |
Specifications:
| Model Name | Inlet Size | Inlet Orifice | Height | Hex | Pressure Range | Approx. Shipping Weight | Min Temp | Max Temp |
|---|---|---|---|---|---|---|---|---|
| 128AT | 1/4″ | 0.235 | 1-7/8″ | 5/8″ | 5-300 | 2.2 oz. | -40°F | 225°F |
Detail Features:
- Pop-style Safety Valve
- Precision Machined with Soft Seat
- Available in 1/4″ NPT
- Set Pressure Range: 5-300 PSIG
- Temperature Range: -40°F to 225°F
- Small Air Systems Valve
- Stainless steel or music wire spring depending on set pressure
Related Products
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Sizes: 1/8″,1/4″,3/8″,1/2″
Pressure Range: 5 – 100, 5 – 300 (5 psi increments only)
Maximum Temperature: 400°F
Application: Compressed Air Systems
The Kingston Model 100SS Safety Valve is precision machined with hard seat. This pop-style safety valve is constructed from brass and features a stainless steel ball on a brass seat. Crisp popping action at all settings. The Kingston Model 100SS Safety Valve has been in production for almost one hundred years and has proved to be both durable and reliable.
Model 118CSS
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Sizes: 1/4″,3/8″,1/2″,3/4″,1″
Pressure Range: 25 – 300
Application: Compressed Air Systems
The Kingston Model 118CSS High Capacity Safety Valve is an ASME Code Certified, precision machined brass valve with a hard seat. This valve supports ASME Code applications up to 300 psi. It also features a stainless steel ball for durability and a pull ring for manual testing. Kingston Model 118CSS High Capacity Safety Valve is designed to flow extremely high volumes. Internal construction and performance are the same as Model 119CSS differing only by the pull ring used for manual testing. The Kingston Model 118CSS Safety Valve, like every Kingston Safety Valve, is set and tested at factory for quality and dependability. The Kingston Model 118CSS Safety Valve approved in Massachusetts and Washington DC and is stamped with UV & NB symbols. Registered in all Canadian provinces and territories.
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Model KSV10
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Sizes: 1/8″,1/4″
Pressure Range: 50 – 275
Application: Compressed Air Systems
The Kingston Model KSV10 ASME Code Low Profile Safety Valve is an ASME Code Certified, precision machined valve with a soft seat. Compact in size yet providing high flow capacities, the Kingston Model KSV10 ASME Code Low Profile Safety Valve has been designed with the small air system in mind. All Brass construction and a resilient silicone disc provides a bubble-tight seal below reseating pressure. Bodies are stamped with both the UV and NB symbols. Set pressure range 50 to 275 psi (5 psi increments only).
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Kingston ASME Code High Capacity Safety Valve
Sizes: 1/4″,1/2″,3/4″,1″
Pressure Range: 25 – 300
Application: Compressed Air Systems
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Internal construction and performance are the same as Model 118CSS differing only by the lever used for manual testing. The Kingston Model 119CSS Safety Valve, like every Kingston Safety Valve, is set and tested at factory for quality and dependability. The Kingston Model 119CSS Safety Valve approved in Massachusetts and Washington DC and is stamped with UV & NB symbols. Registered in all Canadian provinces and territories.
Set pressure range 25 to 300 psi (5 psi increments only).
Maximum temperature 400°F
Model 112CR
Kingston ASME Code Stainless Steel Safety Valve
Sizes: 1/4″,3/8″,1/2″
Pressure Range: 25 – 300
Application: Compressed Air Systems,Stainless Steel,Steam Applications
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Set pressure range 25 to 300 psi (5 psi increments only)
Maximum temperature 400°F
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Sizes: 1/2″ to 2-1/2″
Pressure Range: 5 – 300 (Air/Gas); 5 – 300 (Steam)
Application: Steam Boilers, Air compressors, Dryers, Receivers, Pressure Vessels, Piping Systems, Accumulators, Reducing Stations, Tanks, Inter/After Coolers, Cooking Equipment, Autoclaves, Sterilizers, or whatever higher capacity pressure protection or relief may be required.
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KNG 570 Series- Used for ASME Section VIII applications to pressure ratings of 300 PSi. {UV} and {NB} stamped for unfired vessel protection. Used for many applications to protect or relieve pressure for Air, Gas, or Steam
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Model 112CSS
Kingston ASME Code Safety Valve
Sizes: 1/4″,3/8″,1/2″
Pressure Range: 25 – 300
Application: Compressed Air Systems,Steam Applications
The Kingston Model 112CSS Safety Valve is an ASME Code Certified, precision machined brass valve with a hard seat. This valve supports ASME Code applications up to 300 psi. It also features a stainless steel ball for durability and a pull ring for manual testing. As Kingston’s most popular valve, it is suited for a wide variety of applications. Alternative versions to the Kingston Model 112CSS are available in electroless nickel plating, Model 112CSSEN and all Stainless Steel, Model 112CR. Any version of the Kingston Model 112C Series Safety Valve can be delivered with an ASME certified steam rating. The Kingston Model 112CSS Safety Valve, like every Kingston Safety Valve, is set and tested at factory for quality and dependability. The Kingston Model 112CSS Safety Valve is approved in Massachusetts and Washington DC and is stamped with UV & NB symbols. Registered in all Canadian provinces and territories.
Set pressure range 25 to 300 psi (5 psi increments only)
Maximum temperature 400°F
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Sizes: 1/2″ to 2″
Pressure Range: 5 – 750 PSI (Liquid) ; 5 – 750 (Air); 5 – 300 (Steam)
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Model KSV12
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Sizes: 1/8″
Pressure Range: 25 – 375
Application: Compressed Air Systems
The Kingston Model KSV12 ASME Code Low Profile Safety Valve is an ASME Code Certified, precision machined valve with a soft seat. Compact in size yet providing high flow capacities, the Kingston Model KSV12 ASME Code Low Profile Safety Valve has been designed with the small air system in mind. All Brass construction and a resilient silicone disc provides a bubble-tight seal below reseating pressure. Bodies are stamped with both the UV and NB symbols.
Set Pressure Range: 25 to 375 psi (5 psi increments only)
Model 111X
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Sizes: 1/4″
Pressure Range: 5 – 400
Application: Compressed Air Systems,Cryogenic
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