Features

• High Capacity

• Excellent Reseating Capability

• Minimal-Bleed Pilot

• Tamper-Resistant

• High Pressure

Body Size and End Connection Styles

1, 2, 3, 4 or 6-inch (DN 25, DN 50, DN 80, DN 100, or DN 150) body size with ANSI Class 150 RF, 300 RF, 600 RF, or PN 16/25/40 flanged end connections.

Maximum Relief (Inlet) Pressure

1480 psig (102 bar) or body rating limit, whichever is lowest

Relief Set Pressure Range

100 to 1200 psig (6,9 to 82,7 bar) in three ranges

Minimum Pressure Drop

100 psi (6,0 bar)

Pressure Registration

External

Temperature Capabilities

Nitrile (NBR)O-Rings and Urethane Wiper Ring: -20 to 180°F (-29 to 82°C)

Fluoroelastomer (FKM) O-Rings and Urethane Wiper Ring: 0 to 180°F (-18 to 82°C)

Fluoroelastomer (FKM) O-Rings and TFE Wiper Ring: 0 to 350°F (-18 to 177°C), limited to 180°F (82°C) for hot water

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