Size: 1″-4″, DN25-DN100 Highest Temperature: -30 ℃ to 150 ℃ (Depending on diaphragm) (Stainless steel actuator) Highest Temperature: -30 ℃ to 130 ℃ (Depending on diaphragm) (Plastic actuator) Maximum Pressure: Unidirectional (DELTA P = 100%) Normally closed rubber 8bar, PTFE 6bar (option) Normally closed rubber 6bar, PTFE 4.5bar (standard) Normally open and double acting rubber 8bar, PTFE 6bar Facelift different actuators can meet higher pressure rating Forged Body: 1.4404 / 316L /1.4435 NB2 Cast body: 1.4404 / 316L Connection: Weld, Clamp, Flange, Thread Body Structure: 2 channels, 3 channels, etc. Diaphragm Material: EPDM + PTFE (double layer) / EPDM / Silicon / FPM (Viton) Certificate: 3A-54-02 / 1580, PED 97/23 EC, FDA177.2600