Parker Electronic Valve - PEV | Product Series

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Parker Electronic Valve - PEV 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.

Technical Specifications

  • Product Series: PEV
  • Refrigerant Type: Suitable for Ammonia, CO2 and other common refrigerants
  • Material Type: Plated Cast Steel or Stainless Steel
  • Pressure Rating: 52 barg, 754 psig
  • Minimum Liquid Temperature: -60 °C, -76 °F
  • Maximum Liquid Temperature: 120 °C, 248 °F
  • Port Size: 20 to 80 mm, 3/4 to 3 inch
  • Capacity Plug Type: 40% Reduced Plug, 70% Reduced Plug or Standard Plug
  • Flow Coefficient: 4.3 to 90.7 Kv, 5 to 105 Cv
  • Connection Size: 20 to 80 mm, 3/4 to 3 inch
  • Connection Type: BW ANSI, BW (DN) Metric, or SW
  • Minimum Ambient Temperature: -40 °C, -40 °F
  • Maximum Ambient Temperature: 50 °C, 122 °F
  • Maximum Pressure Differential: 28 to 52 bard, 290 to 754 psid
  • Electrical Requirements: 24 VDC @ 1.3 Amp
  • Signal Input: 4 - 20 mA
  • Leak Rate: ANSI/IIAR 3-2022 Seat Tightness Class 6
  • Specification: Enclosure: IP67/NEMA 6
  • Options: With or Without Actuator
Safety Warning

Full Product Description

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

Related Documents

Literature and Reference Materials
Installation Bulletin - Parker Electronic Valve (PEV)
Product Bulletin 24-00 D - Parker Electronic Valve (PEV)
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Products Material Type Port Size Capacity Plug Type Connection Size Connection Type Options
PEVC4D31 Stainless Steel 25 mm (1") Full Plug 20 mm Butt Weld (BW) DN With Actuator
PEVC4S51 Stainless Steel 25 mm (1") Full Plug 1-1/4" Socket Weld (SW) With Actuator
PEVC4B41 Stainless Steel 25 mm (1") Full Plug 1" Butt Weld (BW) ANSI With Actuator
PEVC4D42 Stainless Steel 25 mm (1") 40% Reduced Plug 25 mm Butt Weld (BW) DN With Actuator
PEVC4B32 Stainless Steel 25 mm (1") 40% Reduced Plug 3/4" Butt Weld (BW) ANSI With Actuator
PEVC4D52 Stainless Steel 25 mm (1") 40% Reduced Plug 32 mm Butt Weld (BW) DN With Actuator
PEVC4S52 Stainless Steel 25 mm (1") 40% Reduced Plug 1-1/4" Socket Weld (SW) With Actuator
PEVC4D41 Stainless Steel 25 mm (1") Full Plug 25 mm Butt Weld (BW) DN With Actuator
PEVC4S41 Stainless Steel 25 mm (1") Full Plug 1" Socket Weld (SW) With Actuator
PEVC5S61 Stainless Steel 32 mm (1-1⁄4") Full Plug 1-1/2" Socket Weld (SW) With Actuator
PEVC6S61 Stainless Steel 40 mm (1-1⁄2") Full Plug 1-1/2" Socket Weld (SW) With Actuator
PEVC4S32 Stainless Steel 25 mm (1") 40% Reduced Plug 3/4" Socket Weld (SW) With Actuator
PEVC4S42 Stainless Steel 25 mm (1") 40% Reduced Plug 1" Socket Weld (SW) With Actuator
PEVC4D51 Stainless Steel 25 mm (1") Full Plug 32 mm Butt Weld (BW) DN With Actuator
PEVC4S31 Stainless Steel 25 mm (1") Full Plug 3/4" Socket Weld (SW) With Actuator
PEVC5S51 Stainless Steel 32 mm (1-1⁄4") Full Plug 1-1/4" Socket Weld (SW) With Actuator
PEVC4B52 Stainless Steel 25 mm (1") 40% Reduced Plug 1-1/4" Butt Weld (BW) ANSI With Actuator
PEVC4B31 Stainless Steel 25 mm (1") Full Plug 3/4" Butt Weld (BW) ANSI With Actuator
PEVC4B51 Stainless Steel 25 mm (1") Full Plug 1-1/4" Butt Weld (BW) ANSI With Actuator
PEVC4D32 Stainless Steel 25 mm (1") 40% Reduced Plug 20 mm Butt Weld (BW) DN With Actuator
PEVC4B42 Stainless Steel 25 mm (1") 40% Reduced Plug 1" Butt Weld (BW) ANSI With Actuator
PEVC3B31 Stainless Steel 20 mm (3/4") Full Plug 3/4" Butt Weld (BW) ANSI With Actuator
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
PEVC3B42 Stainless Steel 20 mm (3/4") 70% Reduced Plug 1" Butt Weld (BW) ANSI With Actuator
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
PEVC3D41 Stainless Steel 20 mm (3/4") Full Plug 25 mm Butt Weld (BW) DN With Actuator
PEVC3D42 Stainless Steel 20 mm (3/4") 70% Reduced Plug 25 mm Butt Weld (BW) DN With Actuator
PEVC3S31 Stainless Steel 20 mm (3/4") Full Plug 3/4" Socket Weld (SW) With Actuator
PEVC3S32 Stainless Steel 20 mm (3/4") 70% Reduced Plug 3/4" Socket Weld (SW) With Actuator
PEVC3S41 Stainless Steel 20 mm (3/4") Full Plug 1" Socket Weld (SW) With Actuator
PEVC3S51 Stainless Steel 20 mm (3/4") Full Plug 1-1/4" Socket Weld (SW) With Actuator
PEVC3S52 Stainless Steel 20 mm (3/4") 70% Reduced Plug 1-1/4" Socket Weld (SW) With Actuator
PEVC5B51 Stainless Steel 32 mm (1-1⁄4") Full Plug 1-1/4" Butt Weld (BW) ANSI With Actuator
PEVC5D51 Stainless Steel 32 mm (1-1⁄4") Full Plug 32 mm Butt Weld (BW) DN With Actuator
PEVC5S53 Stainless Steel 32 mm (1-1⁄4") Full Plug 1-1/4" Socket Weld (SW) Without Actuator
PEVC6B61 Stainless Steel 40 mm (1-1⁄2") Full Plug 1-1/2" Butt Weld (BW) ANSI With Actuator
PEVC6B81 Stainless Steel 40 mm (1-1⁄2") Full Plug 2" Butt Weld (BW) ANSI With Actuator
PEVC6D61 Stainless Steel 40 mm (1-1⁄2") Full Plug 40 mm Butt Weld (BW) DN With Actuator
PEVC6S63 Stainless Steel 40 mm (1-1⁄2") Full Plug 1-1/2" Socket Weld (SW) Without Actuator
PEVC6S81 Stainless Steel 40 mm (1-1⁄2") Full Plug 2" Socket Weld (SW) With Actuator
PEVC6S83 Stainless Steel 40 mm (1-1⁄2") Full Plug 2" Socket Weld (SW) Without Actuator
PEVC8B81 Stainless Steel 50 mm (2) Full Plug 2" Butt Weld (BW) ANSI With Actuator
PEVC8S81 Stainless Steel 50 mm (2) Full Plug 2" Socket Weld (SW) With Actuator
PEVC8SA1 Stainless Steel 50 mm (2) Full Plug 2-1/2" Socket Weld (SW) With Actuator
PEVWASA1 Plated 65 mm (2-1⁄2") Full Plug 2-1/2" Socket Weld (SW) With Actuator
PEVWGBG1 Plated 80 mm (3") Full Plug 3" Butt Weld (BW) ANSI With Actuator
PEVWGSA1 Plated 80 mm (3") Full Plug 2-1/2" Socket Weld (SW) With Actuator
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