Aquatrol - Model 563 Series -Safety Relief Valves

Usages:

Steam Boilers, Air Compressors, Dryers, Receivers, Pressure Vessels, Piping Systems, Accumulators, Reducing Stations, Tanks, Inter/After Coolers, Cooking Equipment, Autoclaves, Sterilizers or wherever higher capacity pressure protection or relief may be required.

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 ball-post pivoting design
• Short, tuned blow-down with dual-ring technology
• Heavy duty hood and lever mechanism
• Standard 17-7 stainless steel springs

Options:

• O-ring seating options (see charts)
• Packed lift lever
• Stainless steel trimming package nozzle (body), disk (all sizes)
• O-ring seating. (PTFE, EDPM, Viton, or as specified)
• Bubble tight seating options
• Anti vibrating spring for lift lever
• BSPT pipe threading