Parker Electronic Valve - PEV | Product Series

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Parker Electronic Valve - PEV

Parker Electronic Valve - PEV

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

Tekniska specifikationer

  • Modellnummer: Please Configure Part for Model Number
  • Maximalt drifttryck: 52 bar, 754 psig
  • Lägsta vätsketemperatur: -60 °C, -76 °F
  • Maximal vätsketemperatur: 120 °C, 248 °F
  • Lägsta omgivningstemperatur: -40 °C, -40 °F
  • Maximal omgivningstemperatur: 50 °C, 122 °F
  • Maximal tryckskillnad: 52 or 28 bard, 754 psig or 406 bard psid
  • Elkrav: 24 VDC @ 1.3 Amp
  • Kapslingstyp: IP67 / NEMA 6
  • Portstorlek: 25 to 40 mm, 1" to 1-1/2" inch
  • Kapacitetsplugg, typ: 40% Reduced Plug or Standard Plug (based on port size)
  • Flödeskoefficient: 4.3 to 26.9 Kv, 5 to 31.1 Cv
  • Anslutningstyp: Butt Weld DN (BW DN), Butt Weld ANSI (BW ANSI) or Socket Weld (SW)
  • Anslutningsstorlek: 20 to 32 mm, 3/4" to 1-1/2" inch
Safety Warning

Fullständig produktbeskrivning

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

Relaterade dokument

Literature and Reference Materials
Installation Bulletin - Parker Electronic Valve (PEV)
Product Bulletin 24-00 D - Parker Electronic Valve (PEV)
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PEVC4B32 25 mm 1" Butt Weld ANSI N/A 3/4" 40% Reduced Plug
PEVC4D52 25 mm 1" Butt Weld DN 32 mm N/A 40% Reduced Plug
PEVC4S52 25 mm 1" Socket Weld N/A 1-1/4" 40% Reduced Plug
PEVC4D41 25 mm 1" Butt Weld DN 25 mm N/A Standard Plug
PEVC4S41 25 mm 1" Socket Weld N/A 1" Standard Plug
PEVC5S61 32 mm 1-1/4" Socket Weld N/A 1-1/2" Standard Plug
PEVC6S61 40 mm 1-1/2" Socket Weld N/A 1-1/2" Standard Plug
PEVC4S32 25 mm 1" Socket Weld N/A 3/4" 40% Reduced Plug
PEVC4S42 25 mm 1" Socket Weld N/A 1" 40% Reduced Plug
PEVC4D51 25 mm 1" Butt Weld DN 32 mm N/A Standard Plug
PEVC4S31 25 mm 1" Socket Weld N/A 3/4" Standard Plug
PEVC5S51 32 mm 1-1/4" Socket Weld N/A 1-1/4" Standard Plug
PEVC4B52 25 mm 1" Butt Weld ANSI N/A 1-1/4" 40% Reduced Plug
PEVC4B31 25 mm 1" Butt Weld ANSI N/A 3/4" Standard Plug
PEVC4B51 25 mm 1" Butt Weld ANSI N/A 1-1/4" Standard Plug
PEVC4D32 25 mm 1" Butt Weld DN 20 mm N/A 40% Reduced Plug
PEVC4B42 25 mm 1" Butt Weld ANSI N/A 1" 40% Reduced Plug
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