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APV SD4 double sealed valve

Flow-through single-seat valve with double seal, for safe separation of incompatible media in the food production pipeline. The models are equipped with drive and control unit to turn on and maintain high pressure in line.

Brief characteristics

  • Type: piston with pneumatic drive
  • Types: anti-mixing, shut-off, switching flow, outlet from the tank, aseptic
  • Dimensions: ISO 1” -4” external. Ø pipes, DIN DN25-100
  • Material in contact with the product — AISI 316L / 1.4404 steel
  • Pressure: 10 bar. Temperature up to +140°C

The lineup: TD4 and SD4 (standard rack version), SD4 (long stroke), SDMC4 (aseptic version with PTFE membrane), SDU4 (switching version), SDT4 (drain valve)

Anti-mixing valve APV SD4

Component design

Схема двухседельного клапана

  1. Control unit
  2. Pneumatic actuator
  3. Yoke
  4. Double set seals
  5. Leakage/CIP discharge valves

Очистка камеры клапанаCleaning of the leakage chamber is undertaken via the leakage valves. The cleaning liquid is supplied via one leakage valve and discharged to the atmosphere via the second one. The directed flow of the cleaning liquid provides for a perfect cleaning of the whole leakage chamber.

  1. CIP in
  2. CIP out



Принцип работы седельного клапана

Aseptic valve design

  1. Leak detector
  2. TFM membrane with rubber support
  3. Spherical body
  4. Leakage relief valves
  5. Seat-to-seat space (drainage)
  6. Seat seals

Схема асептического клапана

Key Benefits of SD4 series

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