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 120
Kingston Safety Valve
Sizes: 1/2″
Pressure Range: 0 – 300 (5 psi increments only)
Maximum Temperature: 250°F
Application: Compressed Air Systems
The Kingston Model 120 Safety Relief Valve is available in 1/2″ NPT only. It is constructed of brass with a Buna-N disc seating. It can be used for some air and gas applications. Teflon and Silicone discs are available upon request.
Set Pressure Range: 1-300 PSIG
Valve Installation Guide
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 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 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.
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 (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.
KNG 743
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 103SS
Kingston Side Outlet Relief Valve
Sizes: 1/4″,3/8″
Pressure Range: 4 – 500
Application: Car Wash Systems,Carpet Cleaning,Compressed Air Systems,Pressure Washing
Kingston Model 103SS Hard Seated Side Outlet Relief Valve is manufactured from cast brass and features a brass inlet and stainless steel ball. This hard seated valve is designed for harsh environments requiring a durable valve with a side outlet that allows for closed system integration. Well suited as a pump unloader in pressurized liquid systems. The Kingston Model 103SS is primarily a liquid relief valve that can also be used in some non-code, air applications.
Set pressure range 5 to 500 psi (5 psi increments only)
Maximum temperature 250°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.
KNG 741
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 130
Kingston Low Profile Pressure Relief Valve
Sizes: 1/8″,1/4″
Pressure Range: 2 – 115, 2 – 300
Application: Compressed Air Systems
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