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Control Valves

Series V5066 Three-way Bellows Sealed Control Valve

A. Hock MSR- und Electronic Service GmbH

  • Three-way bellows sealed control valve for mixing and diverting.
  • Rebuildable between mixing/diverting without additional parts.
  • Compact, rugged design with double wall bellows seal and safety packing.

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Description Vendor

The Series V5066 Three-way Bellows Sealed Control Valve is a versatile and rugged control valve designed for both mixing (V5066B) and diverting (V5066A) applications in heat-conveying systems of processing plants. It is engineered to handle media such as mineral oils, glycerin, and similar substances. The valve features a compact design, a double wall bellows seal with anti-rotation assembly, and a burnished stem for enhanced durability and performance. It offers a leakage rate of less than 0.1% of the Kvs-value, ensuring minimal fluid loss. The valve is available in sizes ranging from DN 15 to DN 80 (1/2 to 3 inches) and supports pressure ratings of PN16-PN25 and ANSI300 (with ANSI150 available upon request). It can be actuated by pneumatic actuators of Series 2000 or electric actuators of Series E2000, and is compatible with Honeywell linear actuators ML642/ML742. The valves full accessory range and ability to be rebuilt between mixing and diverting versions without additional parts make it a reliable and adaptable solution for various industrial applications.

Use Cases

  • Mixing or diverting service in heat-conveying systems using mineral oils, glycerin, and similar heat-transfer media.

Capabilities

  • Performs three-way mixing or diverting control across DN 15–DN 80 with PN16/PN25 or ANSI pressure classes (temperature-dependent).
  • Achieves very low leakage (<0.1% of Kvs-value) via bellows sealing and safety packing.
  • Supports pneumatic or electric actuation, including compatibility with Honeywell ML642/ML742.
A. Hock MSR- und Electronic Service GmbH A. Hock MSR- und Electronic Service GmbH is a German manufacturer and distributor of measurement, control, and instrumentation technology, including industrial control valves engineered for hydrogen applications. Since the 1970s, the company's two-way and three-way control valves — available with pneumatic or electric actuators — have been deployed worldwide, with valve designs, materials, and technical know-how adapted for hydrogen service. As a member of the Hydrogen Alliance Bavaria, A. Hock continually develops its control valve portfolio to meet hydrogen-specific requirements and supplies manufacturer's declarations confirming hydrogen suitability. The company is also an official distributor and certified repair center for Honeywell industrial valve and instrumentation products used across gas and process industries.
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