Refrigeration and HVAC Couplings | Product Series

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Coupling Half

Inlet Connection

Outlet Connection

Product Type

Maximum Operating Temperature (F)

Minimum Operating Temperature (F)

Maximum Operating Pressure (psig)

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Refrigeration and HVAC Couplings

Refrigeration and HVAC Couplings

Where to Buy

Parker’s couplings are used in fluid transfer applications for easy maintenance on refrigeration or air conditioning systems.

Technical Specifications

  • Maximum Burst Pressure: n/a, 2100 to 9000 psi
  • External Leak Rate: <0.25 ounce of R-22 refrigerant per year at operating pressure range, <0.1 ounce of R-22 refrigerant per year at operating pressure range or Not Applicable
  • Model Number: Please Configure Part for Model Number
Safety Warning

Full Product Description

Parker Hannifin has the broadest coupling product offering in the market. Whether it is quick- connect, self- sealing upon disconnection, or brass or steel construction, Parker has what you need. With applications ranging from room air conditioners to cryogenic pumps, Parker has the product you are looking for.

This complete line approach allows Parker to develop value- added assemblies that will reduce SKU’s and decrease overall task time. Combine this with the outstanding services Parker offers and anything is possible.

These couplings are used in fluid transfer applications for easy maintenance on refrigeration or air conditioning systems. Some are available in self- sealing steel or brass. Others are one-shot brass for pre-charged systems. Stub kits are available with unique copper connections to create a drop in replacement allowing copper to copper brazing.

Markets:
• Air Conditioning
• Refrigeration
• Industrial Refrigeration
• Transportation

Features/Benefits:
• Self- sealing disconnection maintains minimum air inclusion and fluid loss
• Brass coupling provides corrosion resistance
• Final metal to metal seal prevents refrigerant loss
• One-Shot series contains a diaphragm that is pierced upon connection and folded back into the coupling to provide a high flow path and low pressure drop

Applications:
• Air Conditioning – Residential, Commercial, Portable split systems, Manufactured home units
• Heat Pumps – Split units
• Refrigeration – Marine, Split systems
• Transportation
• Cryogenic units using the steel couplings

Related Documents

Literature and Reference Materials
(O-1) Catalog O-1 Refrigerant Couplings and Fittings
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Products Coupling Half Inlet Connection Outlet Connection Product Type Maximum Operating Temperature (F) Minimum Operating Temperature (F) Maximum Operating Pressure (psig)
5400-S5-12 Female 1-1/4"-18 Threaded 1-7/16"-16UN Threaded Self-Sealing Steel 250 -40 700
5400-S5-16 Female 1-19/32"-20 Threaded 1-3/4"-16UN Threaded Self-Sealing Steel 250 -40 700
5400-S5-4 Female 1/2"-20 Threaded 5/8"-18UNF Threaded Self-Sealing Steel 250 -40 3000
5400-S5-8 Female 7/8"-20 Threaded 1"-20UNEF Threaded Self-Sealing Steel 250 -40 1750
5400-S2-12 Male 1-1/4"-18 Threaded 1-7/16"-16UN Threaded Self-Sealing Steel 250 -40 700
5400-S2-16 Male 1-19/32"-20 Threaded 1-3/4"-16UN Threaded Self-Sealing Steel 250 -40 700
5400-S2-4 Male 1/2"-20 Threaded 5/8"-18UNF Threaded Self-Sealing Steel 250 -40 3000
5400-S2-8 Male 7/8"-20 Threaded 1"-20UNEF Threaded Self-Sealing Steel 250 -40 1750
5505-04B-06 Female 1/4" ODF 3/8" Self-Sealing Brass with Plastic Protective Cap 250 -40 750
5505-04B-08 Female 1/4" ODF 1/2" Self-Sealing Brass with Plastic Protective Cap 250 -40 750
5505-06B-06 Female 3/8" ODF 3/8" Self-Sealing Brass with Plastic Protective Cap 250 -40 750
5505-06B-08 Female 3/8" ODF 1/2" Self-Sealing Brass with Plastic Protective Cap 250 -40 750
5505-08B-08 Female 1/2" ODF 1/2" Self-Sealing Brass with Plastic Protective Cap 250 -40 750
5505-10-12 Female 5/8" ODF 3/4" Self-Sealing Brass 250 -40 750
5505-10B-08 Female 5/8" ODF 1/2" Self-Sealing Brass with Plastic Protective Cap 250 -40 750
5505-12-12 Female 3/4" ODF 3/4" Self-Sealing Brass 250 -40 750
5505-14-12 Female 7/8" ODF 3/4" Self-Sealing Brass 250 -40 750
5505-14-16 Female 7/8" ODF 1" Self-Sealing Brass 250 -40 750
5500-04-08 N/A 1/4" ODF 1/2" Self-Sealing Brass 250 -40 750
5500-10-08 N/A 5/8" ODF 1/2" Self-Sealing Brass 250 -40 750
5500-10-12 N/A 5/8" ODF 3/4" Self-Sealing Brass 250 -40 750
5500-12-12 N/A 3/4" ODF 3/4" Self-Sealing Brass 250 -40 750
5500-14-12 N/A 7/8" ODF 3/4" Self-Sealing Brass 250 -40 750
5500-14-16 N/A 7/8" ODF 1" Self-Sealing Brass 250 -40 750
5500-18-16 N/A 1-1/8" ODF 1" Self-Sealing Brass 250 -40 750
5502-04B-06 Male 1/4" ODF 3/8" Self-Sealing Brass with Plastic Protective Cap 250 -40 750
5502-04B-08 Male 1/4" ODF 1/2" Self-Sealing Brass with Plastic Protective Cap 250 -40 750
5502-06B-06 Male 3/8" ODF 3/8" Self-Sealing Brass with Plastic Protective Cap 250 -40 750
5502-06B-08 Male 3/8" ODF 1/2" Self-Sealing Brass with Plastic Protective Cap 250 -40 750
5502-08B-08 Male 1/2" ODF 1/2" Self-Sealing Brass with Plastic Protective Cap 250 -40 750
5502-10-12 Male 5/8" ODF 3/4" Self-Sealing Brass 250 -40 750
5502-10B-08 Male 5/8" ODF 1/2" Self-Sealing Brass 250 -40 750
5502-12-12 Male 3/4" ODF 3/4" Self-Sealing Brass 250 -40 750
5502-14-12 Male 7/8" ODF 3/4" Self-Sealing Brass 250 -40 750
5502-14-16 Male 7/8" ODF 1" Self-Sealing Brass 250 -40 750
5500-06-08 Male/Female Assembly 3/8" ODF 1/2" Self-Sealing Brass 250 -40 750
5500-08-08 Male/Female Assembly 1/2" ODF 1/2" Self-Sealing Brass 250 -40 750
5400-S6-12 N/A 1-7/16"-16UN Threaded N/A Self-Sealing Steel Dust Cap with Gasket N/A N/A N/A
5400-S6-16 N/A 1-3/4"-16UN Threaded N/A Self-Sealing Steel Dust Cap with Gasket N/A N/A N/A
5400-S6-4 N/A 5/8"-18UNF Threaded N/A Self-Sealing Steel Dust Cap with Gasket N/A N/A N/A
5400-S6-8 N/A 1"-20UNEF Threaded N/A Self-Sealing Steel Dust Cap with Gasket N/A N/A N/A
5400-S8-12 N/A 1-7/16"-16UN Threaded N/A Self-Sealing Steel Dust Plug with Gasket N/A N/A N/A
5400-S8-16 N/A 1-3/4"-16UN Threaded N/A Self-Sealing Steel Dust Plug with Gasket N/A N/A N/A
5400-S8-4 N/A 5/8"-18UNF Threaded N/A Self-Sealing Steel Dust Plug with Gasket N/A N/A N/A
5400-S8-8 N/A 1"-20UNEF Threaded N/A Self-Sealing Steel Dust Plug with Gasket N/A N/A N/A
150-22-12 N/A 3/4" ODF N/A 5500 Series Steel Mounting Flange N/A N/A N/A
150-22-16 N/A 1" ODF N/A 5500 Series Steel Mounting Flange N/A N/A N/A
150-22-8 N/A 1/2" ODF N/A 5500 Series Steel Mounting Flange N/A N/A N/A
RC01YF-013 N/A N/A N/A Automotive Process Coupling - High Side R-1243YF 250 -40 500
RC01YF-012 N/A N/A N/A Automotive Process Coupling - Low Side R-1243YF 250 -40 500
RC01C-003 N/A M14x1.5-6H 16 mm Automotive Process Coupling - High Side R-134a 250 -40 500
RC01C-012 N/A 7/16"-20 Male 16 mm Automotive Process Coupling - High Side R-134a 250 -40 500
RC01C-011 N/A 7/16"-20 Male 13 mm Automotive Process Coupling - Low Side R-134a 250 -40 500
RC01C-002 N/A M14x1.5-6H 13 mm Automotive Process Coupling - Low Side R-134a 250 -40 500
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