Suitable for
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Dairy products
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Beer and beverages
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Medications
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Food
SW4 Series - Single Seat Valves
Seat valve APC DELTA SW4 in sanitary version. Main advantages: multifunctional, reliable, easy to use and maintain.
Brief characteristics
- Type: piston, pneumatically controlled regulating
- Types: shutoff (blocking), flow switches, vessel outlet
- Sizes: ISO 1" - 6" external. Pipe Ø, DIN DN25-150
- Fittings: butt weld ends (S), ISO-Clamp/Tri-clamps (CL)
The lineup: SW4 H (handwheel), SWS4 (diverter valve), SWT4 (outlet from tank), SWhp4 (for high pressure), SW4 DPF (with steam barrier), SWR4 (regulating cone). Tangential inlet-outlet, long-stroke version for viscous products.
Valve design
The standard SW4 is equipped with the CU4 Direct Connect control unit. The LEDs show the position of the valve shaft.
- Сontrol unit
- Screw drive
- Actuator
- Yoke
- Housing
- Shaft
- Upper housing
- Housing
- Shaft
Seal
- Shaft seal - PTFE / Elastomer (resilient polymer).
- Seat seal - Elastomer, compression control.
- Valve fully open.
- Closed state.
- Metal contact.
Valve actuator
Standard
- Stroke
31 mm - Air supply pressure
6 – 8 bar and other - Dimensions
A (74 mm), B (110 mm) and C (165 mm) are suitable for DN25-100 / 1”-4” and are interchangeable (with acc. guide rod) - Orientation
You can adjust the position from H3 to H0 or vice versa - Drive
All-welded, maintenance-free. The warranty is 5 years.
With a big stroke
- Stroke
44 mm - Air supply pressure
6 – 8 bar and other - Dimensions
D, suitable for models from DN125-150 / 6”
With a long stroke
- Stroke
B (51 mm) DN50-65 / 2”-2.5”, C (75 mm) DN80-100 / 3”-4” - Air supply pressure
6 – 8 bar and other - Dimensions
B and C, suitable for models from DN50–100 / 2”-4”. Not interchangeable due to different stroke
Housings types
Shut-off valves
Switching valves
Additional features
- Stroke limiter (smoothly adjustable). The middle position is set at any point from 0 to 100% full stroke.
- Shaft seal: vapor barrier for aseptic use.
- Starting handle for manual operation.
- Cylinder with oil damping.
- Extended stroke.
- Micro-gap regulator.
- Option with tank outlet.
- Additional certifications: 3.1B (EN10204), 2.2 , option 3A.
- Polished actuator (outside).
- Polishing from the inside up to 0.8 µm.
- ATEX for the equipment category -/2GD IIB TX.
Advantages of the SW4
- Ball shaped housing prevents sump or dome, reducing CIP cleaning times
- Metallic stop provides for defined compression of seat seal
- All parts that contact with product are made of stainless steel AISI 316 L / 1.4404 (DIN EN 100888). Seals material: EPDM (standard), HNBR, FPM, VMQ (optional).
- Profiled seal design ensures complete filling of the sealing grooves. Minimum number of gaskets.
- Interchangeable actuators, actuator maintenance is not required.
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