Double-seat valves
VARIVENT® Mixproof shut-off valves, piggable
A special feature of this valve is that the pig can be conveyed through the cylindrical design of the housing. Pigging technology enables valuable products to be recovered at the end of the process step, thereby minimizing product residues in the pipe.
Technical data
VARIVENT® LPlease refer to the catalog for more information.| Type L_H,
Piggable Upside Down | Type L_S,
Piggable Upright | |
| Material in contact with the product | 1.4404 / AISI 316 L | |
| Material not in contact with the product | 1.4301 / AISI 304 | |
| Seal material in contact with the product | EPDM, FKM, HNBR | |
| Ambient temperature | 0 to 45 °C | |
| Air supply pressure | 6 bar (87 psi) | |
| Product pressure | 5 bar (73 psi) | |
| Surface in contact with the product | Ra ≤ 0.8 μm | |
| External housing surface | Matte blasted | |
| Control and feedback system | Connection 0 (without control top) | |
| Actuator type | Pneumatic actuator air / spring | |
| Connection fittings | Welding end | |
| Identification | Adhesive ID tag | |
| Valve seat version | Welded seat ring | |
| Certificates | 3-A, CE | |
Sizes
DN 40 - DN 100
OD 1,5" - OD 4"
Related Products
VARIVENT® Mixproof shut-off valves
VARIVENT® double-seat valves are used for mixproof shut-off of incompatible products at pipe junctions.
VARIVENT® Mixproof shut-off valves for CIP & gas blocks
VARIVENT® mixproof valves type C and K are used as an efficient alternative for mixproof separation of incompatible products at pipeline junctions within CIP systems or gas blocks.
LoTo for GEA Hygienic mixproof valves
LoTo solutions available for all hygienic seat valves ensure a safe maintenance & commissioning of process plants. Use an easy-to-apply AIR LOCK to cut off the control air connection. Or replace the feedback system with a sturdy DISK LOCK to safely block valve action.
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