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
Model 103
Kingston ASME Code Low Profile Safety Valve
Sizes: 1/2″ & 3/4″
Pressure Range: 10 – 300
Application: Compressed Air Systems
The Model 103 Safety Relief Valve is manufactured from cast and bar stock brass, designed for liquid applications. It is available in sizes 1/2″ & 3/4″ and have brass on brass seating.
Model 115P
Soft Seat, Brass Safety Valve, Steam Applications
Sizes: 1/4″
Pressure Range: 35 – 50
Application: Steam Applications
Kingston Model 115 ASME Code Soft Seat Safety Valves are constructed of brass with a Viton seal and positive stop for a bubble-tight seal. This valve is equipped with a pull ring for manual testing. The Kingston Model 115 ASME Code Soft Seat Safety Valve, like every Kingston Safety Valve, is set and tested at factory for quality and dependability. The Kingston Model 115 ASME Code Soft Seat Safety Valve is approved in Massachusetts and Washington DC and is stamped with UV & NB symbols. Registered in all Canadian provinces and territories.
Model 118CSS
Kingston ASME Code High Capacity Safety Valve
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.
Set pressure range 25 to 300 psi (5 psi increments only)
Maximum temperature 400°F
Model 110C
Kingston ASME Code High Pressure Safety Valve
Sizes: 1/4″,3/8″
Pressure Range: 25 – 600
Application: Compressed Air Systems
The Kingston Model 110C High Pressure Safety Valve is an ASME Code Certified, precision machined valve with a hard seat. This valve features support for high pressure applications up to 600 psi. It comes equipped with manual test lever and is construction is of cast brass alloy body, machined brass stem with stainless steel ball, seated on a stainless steel base. The Kingston Model 110C High Pressure Safety Valve approved in Massachusetts and Washington DC and is stamped with UV and NB symbols. Registered in all Canadian provinces and territories. Set pressure range 25 to 600 psi (5 psi increments only) Maximum temperature 400°F
Model 103H-2
Kingston Soft-Seated Side Outlet Relief Valve
Sizes: 1/4″
Pressure Range: 5 – 500
Application: Compressed Air Systems
The Model 103H Safety Relief Valve has the same construction as the Model 103 valve, with the exception of a stainless steel base and seat. The Model 103H can be used on some non-code air applications.
Model 125SS
Kingston Safety Valve
Sizes: 1/8″,1/4″
Pressure Range: 2 – 300
Application: Compressed Air Systems
The Kingston Model 125SS 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.
Set pressure range 5 to 300 psi (5 psi increments only)
Maximum temperature 400°F
KNG 740
Kingston Side Outlet Relief Valve – ASME Section VIII – NB Certified for Liquid, Air/Gas, and Steam
Sizes: 1/2″ to 2″
Pressure Range: 5 – 750 PSI (Liquid) ; 5 – 750 (Air); 5 – 300 (Steam)
Application: Pressure Vessels, Pumps, Hydraulics, Tanks, Steam Systems, Chemical, Cryogenic, Air and Gas Compressors, Separators, By-pass and Over Pressure Protection. Choose for most industrial applications requiring a safety relief valve.
The KNG 740 Series Safety and Relief Valve is designed for accuracy and reliability. Engineering for heavy-duty industrial usage. Multiple purpose safety and relief valve for all services: Liquid, Steam, and Air/Gas. ASME and National Board Certified for Section VIII service. Pressure are to 750 PSI. Available with the full array of metal and seating options.
KNG 740 Series- Brass, bronze construction and stainless steel ring, seat (disk) and springs. ASME Section VIII to 300 PSI for air/gas and liquid and 250 PSI for steam services
KNG 741 Series- Stainless steel nozzle, ring, disk, and spring. Bronze bonnet, and body. ASME Section VIII to 750 PSI for liquid and air/gas. 300 PSI for steam.
KNG 742 Series- Stainless steel nozzle, ring, disk and springs. Carbon steel body and bonnet. Rating same as 741. Used as an all steel option.
KNG 743 Series- Same as 742, with stainless steel bonnet, body and components. Used where a stainless steel valve is required.
Model 115CR
Kingston ASME Code Soft Seat, Stainless Steel Safety Valve
Sizes: 1/4″,1/2″
Pressure Range: 25 – 275, 25 – 300
Application: Compressed Air Systems
Kingston Model 115CR ASME Code Soft Seat Safety Valves are constructed of stainless steel with a Viton seal and positive stop for a bubble-tight seal. This valve is equipped with a pull ring for manual testing. Internal construction and performance are the same as Model 114 differing only by the pull ring. The Kingston Model 115CR ASME Code Soft Seat Safety Valve, like every Kingston Safety Valve, is set and tested at factory for quality and dependability. The Kingston Model 115CR ASME Code Soft Seat 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 -20 to 400°F
Model 128A
Kingston Low Profile Safety Valve
Sizes: 1/8″, 1/4″
Pressure Range: 5 – 100, 2 – 300
Application: Compressed Air Systems
Kingston Model 128A Low Profile Safety Valve is a pop-style safety valve constructed from brass and feature a Buna-N Disc on a brass seat. Silicone and Viton options are available.
Pull Ring Option (128AP) and Viton Option (128AF) available.
Maximum Temperature Range: -40°F to 225°F
Model KSV10
Kingston ASME Code Low Profile Safety Valve
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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