Model: Pneumatically operated 3/2-way seat valve CLASSIC

• For mixing or distributing of media
• Controlled by a pilot valve or centrally by a valve island
• Flow-optimised body in stainless steel
• Long life time and maintenance-free operation

General technical data

Material

Body           Stainless steel 316L

Actuator        PA (PPS on request)

Seal            PTFE

Packing gland (with silicone grease)            PTFE V-rings with spring compensation

Nominal diameter (port connection)           DN 15…50

Performance data

Nominal pressure                 PN 16 (body)

Pilot pressure                    Max 10 bar(g)

7 bar(g) with actuator size Ø 125

Medium data

Medium                  Steam, water, neutral gases, alcohols, oils, fuels, hydraulic fluids, salt solutions, alkalis, organic solvents, oxygen and fuel gases of families I, II and III in accordance with the Gas Appliances Regulation (EU) 2016/426

Medium temperature         - 10 °C…+ 180 °C

Viscosity                   Max. 600 mm2/s

Control medium             Air, neutral gases

Process/Port connection & communication

Port connection

Threaded connection         G (DIN ISO 228 - 1)

NPT (ASME B1.20.1)

(RC on request)

Environment and installation

Ambient temperature

PA actuator                      - 10 °C…+ 60 °C

PPS actuator

Actuator size Ø 50 (D)…80 (F)        + 5 °C…+ 140 °C

Actuator size Ø 125 (H)             + 5 °C…+ 90 °C (short-term…+ 140 °C)

Installation position               As required, preferably with actuator in upright position