Specifications: Model: 3610JP Pilot-Operated Safety Relief Valve Design Standard: JIS B 8210 (Spring-loaded and Pilot-Operated Safety Valves for Steam Boilers and Pressure Vessels) Operation Type: Pilot-Operated Main Valve Specifications: Valve Size: Common JIS sizes (e.g., 50A, 65A, 80A, 100A, 125A, 150A) Pressure Rating: JIS pressure classes (e.g., 10K, 16K, 20K, 30K, 40K) End Connections: JIS Flanges (e.g., JIS 10K, 16K, 20K RF flange facing) Orifice Area: Designed to meet JIS capacity requirements for specific sizes and set pressures. Pilot Specifications: Pilot Type: Typically a standard pilot for steam service. Other pilots (e.g., for liquid) may be available. Set Pressure Range: Defined based on the JIS pressure class of the valve. Performance Characteristics: Accumulation (Overpressure): Typically 3% for steam (per JIS B 8210). Blowdown: Adjustable, typically around 4-7%. Relieving Capacity: Certified per JIS B 8210 standards. Materials of Construction: Main Valve Body: SCPH 2 Cast Steel (equivalent to WCB) is standard for JIS valves. Piston & Seat: Stainless Steel. Pilot: Stainless Steel and Brass.