Certificates
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Complies with EU requirements
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Department of Sanitary Supervision
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3-A — sanitary standards
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Explosion-proof equipment
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
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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