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VARIVENT® DIVERT VALVES
VARIVENT® DIVERT VALVES
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VARIVENT® DIVERT VALVES
VARIVENT® series
The structure of the VARIVENT® modular system means that different valve configurations (closing direction of the valve disc) and numerous options are available. Please refer to the options section in the catalog for information about these.
Single-seat divert valves: Long-stroke divert valves
DN 25 – DN 150: DN 65 – DN 100
OD 1″ – OD 6″: OD 2 ½” – OD 4″
Single-seat switch valves are suitable for separating and distributing fluids. There is only one seal for each switching rod in the valve disc, which separates the respective pipelines from one another. Single-seat switching valves are therefore not suitable for separating incompatible fluids.
- Certified, hygienic configuration
- Metallic stop
- Flexibility because of the modular principle
- Proven seal geometry
Feature
Product merging: Modular system
Product merging: With optimized maintenance, radial sealing
Product merging: Long-stroke valve for viscous products or products with large particles
Product distribution: Modular system
Product distribution: With optimized maintenance, radial sealing
Product distribution: Long-stroke valve for viscous products or products with large particles
Type
Product merging: Single-seat valve, type W
Product merging: Single-seat valve, type W_R
Product merging: Single-seat long-stroke valve, type W_V
Product distribution: Single-seat valve, type X
Product distribution: Single-seat valve, type X_R
Product distribution: Single-seat long-stroke valve, type X_V
Recommended Flow Direction
To avoid water hammers when closing one path while the product is flowing, single-seat divert valves should be switched against the flow direction of the product if possible.
The single-seat divert valve type W is used for merging products from two pipelines, whereas valve type X has been designed for product distribution. The valves are characterized by their ease of operation.
Application Examples
In practice, these valves are frequently used in CIP supply and return lines. One typical application is also found at the end of a valve block in which the valves are fitted as divert valves between the process line and the drainage (e.g. during pushing out).
VARIVENT® long-stroke valves are used for manufacturing products with relatively large particles or for viscous products, such as strawberry yoghurt.
Type | W |
Recommended flow direction | Product-merging |
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 | DN, OD Ra ≤ 0.8 μm |
External housing surface | Matte blasted |
Control and feedback system | T.VIS® control top |
Actuator type | Pneumatic actuator air / spring |
Connection fittings | Welding end |
Identification | Adhesive ID tag |
Valve seat version | Clamped seat ring or fixed vertical port |
Certificates | 3A, CE |
Type | W_R radial, X_R radial |
Air supply pressure | 6 bar (87 psi) |
Product pressure | 5 bar (73 psi) |
Surface in contact with the product | Ra ≤ 0.8 µm |
Control and feedback system | + |
Actuator type | + |
Connection fittings | + |
Identification | + |
Valve seat version | Welded seat ring |
Type | W_V (Longstroke) |
Air supply pressure | 6.4 bar (93 psi) |
Product pressure | DN 65 – DN 80 OD 2 ½” – OD 3″ |
Surface in contact with the product | Ra ≤ 0.8 µm |
Control and feedback system | + |
Actuator type | + |
Connection fittings | + |
Identification | + |
Valve seat version | Clamped seat ring or fixed vertical port |
Type | X |
Recommended flow direction | Product-dividing |
Air supply pressure | 6 bar (87 psi) |
Product pressure | 5 bar (73 psi) |
Surface in contact with the product | DN, OD Ra ≤ 0.8 μm IPS Ra ≤ 1.2 µm |
Control and feedback system | + |
Actuator type | + |
Connection fittings | + |
Identification | + |
Valve seat version | Clamped seat ring |