Low-temperature Limits:– Standard Valves with PTFE and Graphite Packing: -40°C (-40°F) – Valves with PTFE Packing and Arctic Operations Option, Code K: -55°C (-67°F)– Valves with FKM O-Ring Needle Seal: -20°C (-4°F)
For Carbon Steel Body Material:– Material No. 1.0460: -10°C (14°F) – ASTM A350 LF2: - 46°C (-51°F)
Attention: Packing adjustment may be required during the Service life of the valves. Valves that have not been cycled for a period of time may have a higher Initial actuation torque.