Application fields
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Dairy products
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Breweries, beverage production
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Sauces, mayonnaise
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Chemical production, pharmaceuticals
APV DKR2 Series - Double Seat Ball Valves
Double seat ball valves comprise the separation of two line sections with different fluids by two independent seals with intermediate leakage chamber and free drain to the atmosphere. They were especially developed for use in industries where the highest priority is given to the protection against the mixing of product.
Brief specifications
- Materials in contact with the product made of stainless steel AISI 316L / 1.4404 (DIN EN 100888)
- Purpose: anti-mixing with pneumatic control, shut-off
- Type: hygienic, with spherical spool
- Dimensions: ISO 1” - 4” external pipe Ø, DIN DN25-125
- Seals: EPDM, PTFE (standard), HNBR, Viton, VMQ (optional)
- Connection: butt welding with mating flanges
The lineup: DKRT2 (outlet from the tank), DKRH2 (high pressure, for example for butter or mayonnaise)
Operation
- Safe and quality separation of two liquids when the valve is closed.
- The inter seat space is cleaned by supplying cleaning fluids through a cleaning nozzle.
- Maintenance free pneumatic actuator. 5 years warranty
- The inter seat space can be washed with water, CIP liquid, or steam sterilized.
- Standard APV Actuator CU4: option with top-mounted monitoring unit or clamp-mounted non-contact sensors.
- Dual welded shaft design helps dampen hydraulic shock.
Complies with European Union standards
Key features
- Full—bore valve - no pressure drop, easy inspection.
- Compact, space-saving construction with water hammer safe design. Suitable for pigging systems.
- Timely detection of leakages in the event of seal wear with easy seal replacement
- Safe separation of incompatible fluids by means of two independent seat seals
- Hygienic design ensures no product residues. CIP cleaning connections to flush the leakage chamber
- The ball valve design provides for full pipeline diameter (full bore), there is no diversion or narrowing of the product.
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