652 20D174017 2T1 1502

Pulsation damper

Item number: 88782388
Description
Type 652 Pulsation damper, stainless steel piston actuator, electropolished, optical position indicator
DN 20 DN 20
Body configuration D 2/2-way body
Connection type 17 Spigot EN 10357 series A (formerly DIN 11850 series 2) / DIN 11866 series A
Valve body material 40 1.4435 (F316L), forged body
Diaphragm material 17 EPDM
Actuator version 2T1 Operator size 2T1
Execution type 1502 Ra <= 0.8 µm (30 µin.) for media wetted surfaces, according DIN 11866 H3, mechanically polished internal
Surface 1502 Ra ≤ 0.8 μm (30 μin.) for media wetted surfaces, according to DIN 11866 H3, mechanically polished internal
Diaphragm size 25 Diaphragm size 25
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The GEMÜ 652 pulsation damper is designed for use with liquid and gaseous media in sterile areas of application. In many production plants, unwanted pressure surges arise which are generated by switching on pumps or quickly switching valves, for example. These pressure surges can cause damage to system components, such as filters, sensors or pipelines, as well as contamination of media, due to brief lifting of the diaphragm. The GEMÜ 652 pulsation damper is designed so that it releases a volume in a particular pre-defined pressure surge area, and compensates for the pressure surge. The valve body is open in-line with flow direction, and not intended to shut off the medium.

  • Pre-defined compensation volume
  • Defined pressure range
  • CIP/SIP capable
  • Autoclave capability, depending on version
  • Suitable for inert, corrosive, liquid and gaseous media
  • Valve body and diaphragm available in various materials and designs
  • Compact design (ideal when space is at a premium)