HRSN Needle Valves

Service valves with a pointed regulating cone for fine regulation of the medium flow

AWP needle valves are equipped with a regulating cone to shut-off and regulate liquid and gaseous mediums. They are available with various types of connections. The locking and regulating function that can be operated with a handwheel or a ratchet. The stem sealing is provided by a threaded bush. The valves are also equipped with a back seal. When the valve is fully open, it is possible to replace the threaded bush and the seal without interrupting operation.

Technical Features

  • Available in steel or stainless steel
  • Selection of body material as per German DIN EN12284, AD2000 Series W
  • Working mediums: refrigerants as per EN 378 p. 1, e. g. NH3, R22, R134a and blends with refrigerator oil; neutral, gaseous and liquid mediums; glycol-based cold brine
  • Assembly is possible in any position

HRSN Needle Valves

straightway or angle type
steel or stainless steel
Nominal Size
DN 8-15
Nominal Pressure Level
PS 63
Temperature Range

-60 °C to +150 °C

butt welding and flanged ends as per DIN and ANSI threaded ends
Additional Information
various types of connections available

Get in touch

Armaturenstr. 2
17291 Prenzlau

Phone: +49 3984 8559-0
Fax: +49 3984 8559-18