• Connection Size:s NPS 1, 2, 3, 4, 6, and 8 x 6
• Pressure Range: 0.69 to 27.6 bar / 10 to 400 psig
• Maximum Inlet Pressure: 27.6 bar / 400 psig
• Maximum Flow Capacity: 235,706 Nm3/h / 8,795,000 SCFH
• Operation Type: Pilot-operated
• Body Material: Cast iron, steel, and stainless steel
   

Types 63EG and 1098-63EGR pilot-operated relief valves or backpressure regulators are suitable for both liquid and gas service and may also be used for throttling backpressure applications, such as on oilfield separators. These relief valves are combined with the 6358 Series pilots to result in the configurations shown in the Specifications section.