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Control valve series 1003

Three-way control valves for HVAC systems

The rugged and varied three-way control valves of A. Hock’s Series 1003 can be converted from mixing version to diverting version and vice versa without any additional parts. The valves are actuated by the pneumatic actuators of the Series 2000 or the electric actuators of the Series E2000. The control valves are especially designed for use in HVAC systems, providing maximum control accuracy and efficiency.

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Technical specification

PN16 - PN25 / ANSI300
DN15 - DN80
2,5 - 100
class IIIclass IVa
Pneumatic or electrical
Carbon steel, ductile iron

Application areas

The control valves of A. Hock’s Series 1003 are designed for use in heating, ventilation and air conditioning (HVAC) systems. For instance, the three-way control valves are used for the continuous control of water temperature in the heating circuits of large buildings.

Features and advantages

  • rugged construction
  • conversion from mixing to diverting version without any additional parts
  • compact design
  • full accessory range
  • all parts available as spare parts


TitleLanguageFile typeDownload
S1003/13 Specification german pdf Download
S1003/13 Installation and Operation Manual german pdf Download
S1003/13 Specification english pdf Download
S1003/13 Installation and Operation Manual english pdf Download
Safety Information german/english pdf Download
[Translate to Englisch:] [Translate to Englisch:] zip Download