Industrial spare parts & engineering solutions since 2001.
Apv SD4 Valve
Technical Datasheets / Product Documentations
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Product Description
Apv products, including Apv SD4 Valve, are sourced through parallel import channels and delivered to our customers worldwide with speed and reliability. As an authorized trading partner, Imtek Engineering offers genuine Apv parts at competitive prices. Even if Apv SD4 Valve is not listed on our website, you are welcome to request a price quote — our team will respond promptly with a tailored offer.
Safe Separation of Incompatible Media
With two serial seat seals and a separation cavity, the DELTA SD4 valves are designed for safe media separation.
Excellent Hygienic Features
DELTA SD4 valves have excellent hygienic characteristics due to a number of design features:
- Ball-shaped housing without sump or dome
- Crevice-free sealing
- Leakage discharge valves enabling drainage as well as cleaning of neutral cavity
CIP/SIP Cleaning of Leakage Cavity
The DELTA SD4 valves have leakage discharge valves to drain the neutral area between the seals. The leakage discharge valves are used for supply and discharge of cleaning media, which enables CIP and SIP cleaning of the neutral area. Leakage valves and actuator are controlled by the same solenoid valve. Therefore, additional control is not required.
Multiple Designs Available, Incl. Aseptic
DELTA SD4 valves are available in a shut-off, a change-over and a tankoutlet design. Furthermore, the valves are available in an aseptic design with a supported flat TFM membrane.
Long Seal Life
Sealings designed with metallic stop ensure limited elastomer compression and, consequently, avoidance of sealing overstress. Moulded elastomer profile seals with clear identification markings ensure prompt and fail-safe identification of seals during maintenance
Maintenance-friendly
Only one hexagonal nut outside the product area ensures quick and easy service of the valve. Flanged valve body closure for safe and controlled disassembly and assembly of valve insert.
Theory of Operation
The DELTA SD4 valves are used for safe separation of incompatible media. Safe media separation is provided by a design with two seat seals. A ring-shaped leakage chamber is arranged between the two seals. It is forcible closed or opened to the atmosphere by the two leakage discharge valves.
In case of damage of the seat seals, the leakage will be drained via the leakage valves to the atmosphere and indicated.
Cleaning of the leakage chamber is undertaken via the leakage valves. The cleaning liquid is supplied via one leakage valve and discharged to the atmosphere via the second one. The directed flow of the cleaning liquid provides for a perfect cleaning of the whole leakage chamber.
Frequently Asked Questions
Frequently asked questions about Apv SD4 Valve by Apv. Imtek Engineering is ready to assist you in sourcing Apv SD4 Valve from Apv in United States.
Imtek Engineering sources genuine Apv products through trusted supply channels and supplies them to customers in United States at competitive prices.

