Kingston KNG570 High-Capacity ASME Safety Relief Valve — Brass, Metal Seat, 300 PSI
| Specifications (As Configured) | |
|---|---|
 Vendor |
Kingston
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 SKU |
DC1M1K1-PSI
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The Kingston KNG570 is a high-capacity, ASME code-certified safety relief valve engineered for heavy-duty industrial pressure protection. Built with rugged brass and bronze construction and a 17-7 stainless steel spring, it delivers high relief capacity with excellent re-seating performance — ideal for protecting air compressors, receiver tanks, boilers, pressure vessels, and compressed-air and gas piping systems.
Key specifications
- ASME Section VIII certified and National Board flow-rated for capacity
- Brass and bronze body with standard 17-7 stainless steel spring
- Metal seat with top-guided seating and discharge for tight, repeatable shutoff
- Full-nozzle, high-capacity design — 6 orifices across 12 inlet/outlet piping configurations
- Pivoting ball-post design for excellent re-seating characteristics
- Short, tuned blowdown, adjustable via double heavy ring
- Heavy-duty hood and lift-lever mechanism
- Maximum set pressure: 300 PSI (air/gas); up to 250 PSI (steam)
- Temperature range: -20°F to 425°F
- Connections: 3/4" to 2-1/2" FNPT inlet × 1/2" to 2-1/2" MNPT outlet (NPT)
Typical applications
Air compressors, air receivers and storage tanks, refrigerated and desiccant dryers, steam boilers, pressure vessels, accumulators, reducing stations, inter/after coolers, autoclaves and sterilizers — anywhere high-capacity overpressure protection is required.
Select your exact inlet × outlet configuration below. The Kingston KNG570 high-capacity ASME safety relief valve combines proven brass construction, a durable metal seat, and National Board-rated flow to keep compressed-air, gas, and steam systems protected and code-compliant.
NOTE: Actual product may be different from pictured!
Financing Options
Financing Options
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