Safety Valves - Series 560

Overview

ASME SECTION I & SECTION VIII, SAFETY RELIEF VALVES

560 / 570 Series, High-Capacity Industrial Safety Valves

The 560 / 570 Series safety valve line delivers high-capacity pressure protection for boilers, piping systems, and pressure vessels. Designed for heavy-duty industrial applications, these valves are ASME and National Board certified for Section I & VIII and hold CE and CRN certifications.

Applications:

Ideal for steam boilers, air compressors, dryers, receivers, pressure vessels, piping systems, accumulators, reducing stations, tanks, inter/after coolers, cooking equipment, autoclaves, sterilizers, and any system requiring higher-capacity pressure relief.

Features:

• Rugged, durable construction for long-lasting performance
• 6 orifice sizes with 12 piping configurations for versatile installations
• Top-guided seating and discharge for reliable operation
• Full nozzle design ensuring high-capacity flow rates
• Short, precise blow-down with dual-ring technology for improved sealing
• Heavy-duty hood and lever mechanism for enhanced durability
• Standard 17-7 stainless steel springs for consistent performance

Options:

• O-ring seating options for enhanced sealing (refer to charts)
• Packed lift lever for added safety
• Stainless steel trim package (nozzle & disc available in all sizes)
• Bubble-tight seating options for minimal leakage
• Anti-vibration spring for lift lever to prevent unwanted movement
• BSPT & BSPP pipe threading for compatibility
• Tri-Clamp inlets for sanitary applications
• Oxygen (O₂) cleaning for specialized environments

Series Overview:

Series 88 / 89

Multipurpose safety valves for air/gas protection. Designed for durability while remaining an economical choice for safety and relief applications. ASME and National Board certified for Section VIII and CRN certifications. Choose for a variety of applications where mid-level capacity is required.

Durable and Economical

Built for reliability and cost-effectiveness.

• Temperature range: -60°F (-51°C) to 406°F (208°C)
  • PTFE option: Lowers temperature to -320°F (-196°C)
  • Stainless steel option: Increases temperature to 425°F (218°C)

Usages

Ideal for overpressure protection, including pressure vessels, piping systems, tanks, compressors, dryers, and inter/after coolers.