• Login
  • Register
  • Quick Enquiry
Request a catalogue
  • Refrigeration
    • Back
    • View all refrigeration products
    • Capital equipment
      • Air cooled condenser
      • Cellar cooling equipment
      • Compressors
      • Condensing units
      • Evaporators
      • Housed condensing unit
    • Electronic controls
      • Control panels
      • Electromechanical controls
      • Electronic accessories
      • Electronic controls
      • Fan speed controls
      • Monitoring systems
    • Fans and pumps
      • Electrical accessories
      • Fan motors
      • Fan spares
      • Pumps
    • Line components
      • Access fittings
      • Copper fittings
      • Driers
      • Flare fittings
      • Line components
      • Sightglass
      • Valves
    • Service equipment
      • Chemicals
      • Copper tube
      • Insulation
      • Recovery equipment
      • Refrigerant
      • Service equipment
      • Tools
      • Welding and brazing
    • Valves
      • Expansion valves
      • Regulating valves
      • Solenoid valves
      • Water regulating valve
  • Air conditioning
    • Back
    • View all air conditioning products
    • Air conditioning
      • Air conditioning spares
      • Installation accessories
      • Splits
      • Ventilation
      • VRF
  • Industrial
    • Back
    • View all industrial products
    • Industrial refrigeration
      • Control valves
      • Industrial electronic controls
      • Valves and components
  • Heating
    • Back
    • View all heating products
    • Heat pumps
      • Heat pumps
  • Clearance
    • Back
    • View all clearance products
    • Air conditioning clearance
      • Air conditioning
    • Refrigeration clearance
      • Compressors
      • Condensing units
      • Control panels
      • Evaporators
      • Housed condensing units
      • Line components
      • Electronic controls
      • Refrigerant
      • Service equipment
      • Tools
      • Valves
      • Welding and brazing
  • 0
  • Menu
Refrigeration Valves Expansion valves Constant pressure Parker A Series
Parker A Series image 1
Parker A Series image thumbnail 1

Parker A Series

Parker A series valve can be employed for all refrigerants. Maintains constant evaporator pressure under all conditions. Automatically protects against motor overloads during system start-up.

Parker A valve features:

  • 0-90 psig adjustment range
  • Bypass bleeds available
  • Construction: Brass, copper and stainless steel.
  • Optional external equalizer
  • U.L. recognized for maximum operating pressure of 500 psig high side, 225 psig low side

Parker Refrigeration Specialties is distributed in the UK by Thermofrost Cryo.

Documentation CODEMODELCapacity Range (Tons)ConnectionsList Price
IPAR050A21-21/4x 1/2FL£89.00
IPAR070AS1/4"-11/4 x 3/8 ODS£72.00

Our Mission Statement:

“To be the supplier of choice for temperature controlled engineered solutions”

Customer service

  • Contact Us
  • Credit Application Form
  • Delivery Information
  • Return policy
  • Warranty

About us

  • Corporate
  • Jobs
  • Suppliers
  • Thermofrost Rewards Club

Resources

  • News
  • Request a catalogue

Thermofrostcryo.co.uk

  • Terms and Conditions
  • Rewards Club Terms and Conditions
  • Privacy and security rights
  • Sitemap
© Copyright Thermofrost Cryo Ltd. 2026