Product Information
Kingston Side Outlet Relief Valve – ASME Section I and Section VIII – NB Certified for Liquid, Air/Gas, and Steam
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.
The KNG 560/570 Series Valves Lines is a high capacity safety valves used for boilers, piping lines, and vessel protection. Designed and engineered for heavy-duty industrial use, ASME approved and National Board flow-rated for capacity.
KNG 560 Series- Used for ASME Section I applications to pressure ratings of 250 PSI. {UV} and {NB} stamped for fired vessels. Boilers, or most areas where steam safety valves are required.
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
KNG 563-573 Series- Stainless steel wetted trimming.
Additional Information
| Model Family | 563 |
|---|---|
| Inlet size | 1-1/2″, 1-1/4″, 1″, 1/2″, 2-1/2″, 2″, 3/4″ |
| Inlet Orifice | D, E, F, G, H, J |
| Valve Types | Safety Valves |
| Features | Brass, Stainless Steel |
| Applications | Accumulators, Autoclaves, Compressed Air Systems, Cooking Equipment, Inter/After Coolers, Piping Systems, pressure vessels, Receivers, Reducing Stations, Steam Applications, Sterilizers, tanks |
Detail Features:
- Designed for Durability
- 6 Orifices – 12 Sizes of Piping Options
- Top Guided Seating and Discharge
- Full Nozzle; High Capacity Levels
- Excellent Re-seating characteristics with Pivoting Ball-post Design
- Short, tuned Blow-down can be adjusted with Double Heavy Ring
- Heavy Duty Hood and Lever Mechanism
- Standard 17-7 Stainless Steel Springs
Options:
- O-ring Seating Options (PTFE, EPDM, Viton, or as specified)
- Stainless Steel Trimming Package Nozzle (body), Disk (all sizes)
- Bubble Tight Seating Options
- Anti Vibrating Spring for Lift Lever
- BSPT Pipe Threading
Related Products
Model 130
Kingston Low Profile Pressure Relief Valve
Sizes: 1/8″,1/4″
Pressure Range: 2 – 115, 2 – 300
Application: Compressed Air Systems
Model 128AT
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
KNG 741
Kingston KNG 741 Side Outlet Relief Valve – ASME Section VIII – NB Certified for Liquid, Air/Gas, and Steam
Sizes: 1/2″ to 3″
Pressure Range: 5 – 1500 PSI (Liquid & Air); 5 – 300 PSI (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. Pressures up to 1500 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 1500 PSI for air/gas and liquid and 300 PSI for steam services
KNG 741 Series- Stainless steel nozzle, ring, disk, and spring. Bronze bonnet, and body. ASME Section VIII to 1500 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.
KNG 570
Kingston Side Outlet Relief Valve – ASME Section VIII – NB Certified for Liquid, Air/Gas, and Steam
Sizes: 1/2″ to 2-1/2″
Pressure Range: 5 – 300 PSI (Air/Gas); 5 – 250 PSI (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.
The KNG 560/570 Series Valves Lines is a high capacity safety valves used for boilers, piping lines, and vessel protection. Designed and engineered for heavy-duty industrial use, ASME approved and National Board flow-rated for capacity.
KNG 560 Series- Used for ASME Section I applications to pressure ratings of 250 PSI. {UV} and {NB} stamped for fired vessels. Boilers, or most areas where steam safety valves are required.
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
KNG 563-573 Series- Stainless steel wetted trimming.
Model KSV12
Kingston ASME Code Low Profile Safety Valve
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)
KNG 742
Kingston KNG 742 Side Outlet Relief Valve – ASME Section VIII – NB Certified for Liquid, Air/Gas, and Steam
Sizes: 1/2″ to 3″
Pressure Range: 5 – 1500 PSI (Liquid & Air); 5 – 300 PSI (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. Pressures up to 1500 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 1500 PSI for air/gas and liquid and 300 PSI for steam services
KNG 741 Series- Stainless steel nozzle, ring, disk, and spring. Bronze bonnet, and body. ASME Section VIII to 1500 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 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
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 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).
Model 119CSS
Kingston ASME Code High Capacity Safety Valve
Sizes: 1/4″,1/2″,3/4″,1″
Pressure Range: 25 – 300
Application: Compressed Air Systems
The Kingston Model 119CSS 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 lever for manual testing. Kingston Model 119CSS High Capacity Safety Valve is designed to flow extremely high volumes.
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
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