Product Information
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.
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 111X
Kingston Cryogenic Safety Valve
Sizes: 1/4″
Pressure Range: 5 – 400
Application: Compressed Air Systems,Cryogenic
Kingston Model 111X Cryogenic Safety Valve is a pop-style valve precision machined from brass and feature a stainless steel spring and ball on a Teflon O-ring seat. Cleaned and individually bagged for oxygen service upon request. Kingston Model 111X Cryogenic Safety Valve is designed for gaseous cryogenic service.
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
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 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
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 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 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
Model 112CSSEN
Kingston ASME Code Nickel Plated Safety Valve
Sizes: 1/4″,3/8″,1/2″
Pressure Range: 25 – 300
Application: Compressed Air Systems,Steam Applications
The Kingston Model 112CSSEN Electroless Nickel Plated Safety Valve is an ASME Code Certified, precision machined brass valve with a hard seat. This valve is plated in Electroless Nickel and supports ASME Code applications up to 300 psi. It also features a stainless steel ball for durability and a pull ring for manual testing. The Kingston Model 112CSSEN Electroless Nickel Plated Safety Valve is suited for a wide variety of applications. A non-plated brass version of the Kingston Model 112CSSEN is available, Model 112CSS and an all stainless steel version is also available, Model 112CR. Any version of the Kingston Model 112C Series Safety Valve can be delivered with an ASME certified steam rating. The Kingston Model 112CSSEN Electroless Nickel Plated Safety Valve, like every Kingston Safety Valve, is set and tested at factory for quality and dependability. The Kingston Model 112CSSEN Electroless Nickel Plated 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
KNG 742
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.
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.
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