Parker Electronic Valve - PEV | Product Series

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Parker Electronic Valve - PEV Parker Electronic Valve - PEV

Parker Electronic Valve - PEV

Dove acquistare

Parker's PEV series of electronic modulating valves provide enhanced control for industrial refrigeration systems.

Specifiche tecniche

  • Serie prodotto: PEV
  • Tipo di refrigerante: Suitable for Ammonia, CO2 and other common refrigerants
  • Tipo di materiale: Plated Cast Steel or Stainless Steel
  • Pressione nominale: 52 barg, 754 psig
  • Temperatura minima liquido: -60 °C, -76 °F
  • Temperatura massima liquido: 120 °C, 248 °F
  • Dimensioni attacco: 20 to 80 mm, 3/4 to 3 inch
  • Tipo di capacità spina: 40% Reduced Plug, 70% Reduced Plug or Standard Plug
  • Coefficiente di flusso: 4.3 to 90.7 Kv, 5 to 105 Cv
  • Dimensioni connessione: 20 to 80 mm, 3/4 to 3 inch
  • Tipo di connessione: BW ANSI, BW (DN) Metric, or SW
  • Temperatura ambiente minima: -40 °C, -40 °F
  • Temperatura ambiente massima: 50 °C, 122 °F
  • Differenziale di pressione massimo: 28 to 52 bard, 290 to 754 psid
  • Requisiti elettrici: 24 VDC @ 1.3 Amp
  • Ingresso segnale: 4 - 20 mA
  • Tasso di perdita: ANSI/IIAR 3-2022 Seat Tightness Class 6
  • Specifica: Enclosure: IP67/NEMA 6
  • Opzioni: With or Without Actuator
Safety Warning

Descrizione del prodotto completa

The PEV provides precise control of flow for liquid level, expansion, superheat, and temperature control applications. The stainless steel construction helps overcome corrosion problems encountered in harsh environments. The valve's weld-in feature design reduces potential for connection leaks. This design has a higher working pressure, a greater working temperature range and higher flow capacities than competitive products. These valves provide long-term performance with replaceable internal components.

Market:
• Industrial Refrigeration
• Commercial Refrigeration

Features and Benefits:
• Suitable for ammonia, CO2, R-134a, R-404a, R-410a and other common refrigerants
• Stainless steel construction increases product life cycle
• Lightweight construction
• Cartridge based design simplifies service and eliminates body wear
• Interchangeable with other P-Series offerings
• Works with any 4-20 mA controller
• Bright LED Display
• Password protection prevents tampering
• Alarm notification
• IP67/NEMA 6 rated
• Parker Backup Module (PBM) available

Function and Design:
• The Parker Electronic Valve (PEV) is an electronically controlled valve that modulates the flow of refrigerant in industrial refrigeration applications. Common applications include those where load fluctuations are great such as chilling and cooling applications and where precise control over temperature or humidity is important. The PEV consists of two major components; the electronic actuator and the sealed valve body.
• The actuator is contained in an IP67 (NEMA 6) housing. The valve body is made entirely from stainless steel, designed to resist corrosion, and work in a variety of industrial refrigeration applications. The PEV is powered by 24 VDC and accepts a 4-20 mA control signal. The PEV will modulate the flow of refrigerant by opening and closing based on the control signal input. The actuator is automatically calibrated when power is established. When the 4-20 mA signal comes back in range after being out of range, or when manually requested by the user. At 4 mA the valve will be closed, and at 20 mA the valve will be 100% open, unless the direction has been reversed at the time of setup.
• The PEV is available with an optional Parker Backup Module (PBM) that will place the valve in a user-defined position in the event of a power loss. After the calibration cycle, the PEV actuator will position the valve based on the control signal input.
• The PEV valve is comprised of a stainless steel 52 bar (754 psi) rated housing. The PEV valve is modulated by means of a magnetic coupling. The magnetic coupling drives a screw mechanism which opens and closes the valve plug.

Application:
• Industrial Refrigeration
• Liquid Level Control
• Expansion Control
• Superheat Control
• Temperature Control

Documenti correlati

Literature and Reference Materials
Installation Bulletin - Parker Electronic Valve (PEV)
Product Bulletin 24-00 D - Parker Electronic Valve (PEV)
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PEVC3B32 Stainless Steel 20 mm (3/4") 70% Reduced Plug 3/4" Butt Weld (BW) ANSI With Actuator
PEVC3B41 Stainless Steel 20 mm (3/4") Full Plug 1" Butt Weld (BW) ANSI With Actuator
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PEVC3D31 Stainless Steel 20 mm (3/4") Full Plug 20 mm Butt Weld (BW) DN With Actuator
PEVC3D33 Stainless Steel 20 mm (3/4") Full Plug 20 mm Butt Weld (BW) DN With Actuator
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