Welcome to Perfect Valves & Pneumatics

Applications

  Hydraulics and pneumatics
  Steel
  Power
  Special purpose machine

Special features

   Diaphragm-sealed piston sensor and diaphragm
   High static pressure
   Field adjustable setpoint
   Robust design

Description

  These high quality pressure switches have been developed especially for safety-critical applications. High quality of the product with established systems and manufacturing process will ensure reliable monitoring of your plant.

  The sensing element consists of a time-proven diaphragm sealed piston aff ording high integrity, reliable switching and a very high overload protection. Variety of combinations in features are available to make it versatile.

  Rugged in construction, supreme in performance PS01 pressure switches are designed as cost eff ective solutions to meet a variety of applications in oil, gas, power, steel and petrochemical industries

Standard version

Switch enclosure

  W1: Aluminium pressure die cast weatherproof as per IS/IEC 60529
  F1: GR style aluminium pressure die cast, weatherproofand fl ameproof to Gr.IIA, IIB or IIC as per IS/IEC 60079
  Repeatability of the setpoint (note 4): ± 1.0% FSR
  Permissible ambient temperature: –10°C ... +60°C
  Permissible medium temperature: –20°C ... +110°C for SS and Buna-N , –20°C ... +95°C for Neoprene, –20°C ... +130°C for EPDM, –20°C ... +200°C for Silicone
  Process connection: 1/4" NPT(F) direct, Other connections through adaptor
  Measuring element: 316L SS diaphragm sealed piston for high ranges (standard),
Buna-N diaphragm for low ranges (standard)
  Wetted parts: 316 SS standard (high ranges),
Aluminium standard (low ranges) ,
Monel® optional (high ranges)
  Sealing: Nitrile standard
EPDM / Tefl on® / Viton® optional, depending on setting range and operating conditions
  Ranges: Several ranges from –1 ... +700 bar
  Switching contacts with microswitch: 1 x SPDT or 2 x SPDT (single pole double throw)
  Switching function (notes 10): Instrument quality snap acting microswitch
  On-off diff erential: Fixed (standard),
Wideband adjustable for low ranges in weatherproof enclosure only
  Maximum working pressure: Refer table 1
  Electrical connection: 1/2" NPT(F) single entry standard ,
Dual entry on request
  Ingress protection :IP66
  Scale accuracy (note 6) :± 5% FSR
  Mounting:Panel / wall / on-line / 2" pipe
  Conformity:Generally to BS 6134:1991
  Weight:Weatherproof: approx. 1.3 Kg
Flameproof: approx. 2.0 Kg

Dimensions in mm

Version PS01–W1

Version PS01–F1