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APV SV / SVS Butterfly Valves

Butterfly valves for process lines.  They have two states: open — allows flow, and closed — blocks the flow in the line. It is switched by 90° disc turning, manually or remotely using a pneumatic actuator.

Brief specifications

  • Type: rotary shutter with manual control, with pneumatic actuator
  • Types: shut-off (overlapping), regulating the flow
  • Disc and housing: 316L stainless steel with sanitary finish
  • Internal polishing: ≤32 Ra (≤0.8µ) and others
  • Connections: for welding, for thread, for clamp
  • Dimensions: ISO 1” - 6” external. Ø pipes, DIN DN25-250

The lineup: Delta SV1, Delta SVS1


Butterfly valves (butterfly valves)

Certificates

Models

SV1

  • Two-piece model with flanges.
  • Available sizes:
    • ISO: 1” - 4” pipe outer diameter;
    • DIN : DN25 – 150.
  • Connecting parts:
    • Butt welding end (S);
    • Coupling with thread DIN 11851(G);
    • Nut with thread DIN 11851(K);
    • IDF/ISS fitting according to the international dairy industry standard;
    • RJ (BS 4825-5 O-ring connector);
    • ISO-Clamp / Tri-Clamp (CL);
    • SMS 1145 (Swedish Dairy industry standard).

SVS1

  • Four-part model with flanges.
  • Available sizes:
    • ISO: 1” - 6” pipe outer diameter;
    • DIN: DN25 – 250.
  • Connecting parts
    • End face for butt welding with mating flanges.

Key advantages of APV SV / SVS

  • Shaft bearings on top and bottom increase operational reliability and extend seal life.
  • Profiled seals allow the valve to open despite vacuum.
  • ATEX certification for hazardous media.
  • Metal stop prevents overtightening of the flanges and mechanical overstressing of the seal.
  • Easy identification of seals with APV/ part numbers.
  • Visual indication of open and closed position.
  • Unification and reliability - pneumatic actuator with constant torque value for sizes DN25-100/1''- 4''

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