Quick Connect Couplings Series : CQ21
( ISO 16028)


DAWSONS-TECH Series : CQ21 Stainless Steel Double shut- off Flat Face Quick Connect Coupling is designed and manufactured to meet requirements for sealing media in Chemical Processing, Chemical Dispensing, Food Processing and other corrosive applications.
DAWSONS-TECH Series : CQ21 Double shut-off Flat Face Quick Connect Couplings are of Industries interchange design and inter changeable with ISO 16028 Flat Face Couplings.

Features :
  • Available in material SS316 with Fluorocarbon seals as standard.
  • Flat face design is easy to clean, reducing the inclusion of contamination inside the hydraulic circuit.
  • Prevent fluid loss during disconnection and reducing fluid spillage to the environment.
  • Easy to operate, Bidirectional flow.
  • Seal with PTFE back-up rings designed to ensure reliable and leak free sealing in high Pressure application.
  • Ball locking mechanism provide safe and reliable connections.
  • Every Coupling is pressure tested.
Product Range & Operating Parameters :
  • Available Size: 1/4” to 1” pipe connection
  • Pressure Ratings: Up to 5000 PSI at CWP
  • Temperature Rating : Up to to 180o C
  • End Connections: Available with BSPP, BSPT, NPT etc. Pipe threads
Applications :
  • Chemical Processing
  • Chemical Dispensing
  • Food Processing
  • Other Corrosive Fluids and Environment

Material of Construction :
Sr. No.DescriptionMaterial
1SleeveSS316
2BallStainless Steel
3Lock RingSS316
4RetainerSS316
5Face PinSS316
6Captive SealFluorocarbon
7Spring RetainerFluorocarbon
8SpringSS316
9Backup RingPTFE
10‘O’ RingFluorocarbon
11HousingSS316
12PackingPTFE
13‘O’ RingFluorocarbon
14AdaptorSS316
15Plug FlowBrass
16‘O’ RingFluorocarbon
17End ConnectorSS316
Sr. No.DescriptionMaterial
1PlugSS316
2Spring RetainerSS316
3Backup RingPTFE
4‘O’ RingFluorocarbon
5Pusher PinSS316
6SpringSS316
7PackingPTFE
8PlugSS316
9‘O’ RingFluorocarbon
10End ConnectorSS316

End Connection SizeDimensions in mm / inchDawsons-Tech Part No.
ABCDEFGA/F-1A/F-2
1/4" BSP28.023.858.016.116.148.522.022.0CQ21-CP-FF4RG-SSV
1.10''0.94''2.28''0.63''0.63''1.91''0.87''0.87''
3/8” BSP32.026.068.019.719.755.524.024.0CQ21-CP-FF6RG-SSV
1.26''1.02''2.68''0.78''0.78''2.18''0.94''0.94''
1/2" BSP38.128.973.519.719.759.027.027.0CQ21-CP-FF8RG-SSV
1.50''1.14''2.89''0.78''0.78''2.32''1.06''1.06''
3/4" BSP42.038.680.524.524.575.535.035.0CQ21-CP-FF12RG-SSV
1.65''1.52''3.17''0.96''0.96''2.97''1.37''1.37''
1” BSP48.044.8101.630.030.093.041.041.0CQ21-CP-FF16RG-SSV
1.89''1.76''4.0''1.18''1.18''3.66''1.62''1.62''
1/4" NPT28.023.858.016.116.148.522.022.0CQ21-CP-FF4N-SSV
1.10''0.94''2.28''0.63''0.63''1.91''0.87''0.87''
3/8” NPT32.026.068.019.719.755.524.024.0CQ21-CP-FF6N-SSV
1.26''1.02''2.68''0.78''0.78''2.18''0.94''0.94''
1/2" NPT38.128.973.519.719.759.027.027.0CQ21-CP-FF8N-SSV
1.50''1.14''2.89''0.78''0.78''2.32''1.06''1.06''
3/4" NPT42.038.680.524.524.575.535.035.0CQ21-CP-FF12N-SSV
1.65''1.52''3.17''0.96''0.96''2.97''1.37''1.37''
1” NPT48.044.8101.630.030.093.041.041.0CQ21-CP-FF16N-SSV
1.89''1.76''4.0''1.18''1.18''3.66''1.62''1.62''
  Dimensions are for reference only and are subject to change.