Quick Connect Couplings Series : CQ11
( ISO 7241-1 Series ‘B’)


DAWSONS-TECH Series : CQ11 Stainless Steel shut-off Quick Connect Couplings are design and manufactured to meet the requirements for sealing media on the fluid / gas transfer lines for connections and disconnections during maintenance of the equipment’s without disrupting the operation and loss of fluids. It is used with chemicals, water, steam, gases etc.
DAWSONS-TECH Series : CQ11 Quick Connect Couplings are interchangeable with ISO 7241-1 series ‘B’ Couplings.

Features :
  • Available in material SS316 with Fluorocarbon seals as standard.
  • Robust in construction.
  • High flow capacity, positive Valve stop.
  • Captive Valve seal ensures leak free sealing minimize the seals washout or damage from high velocity fluid acceleration
  • Seal with PTFE back-up rings designed to ensure reliable and leak free sealing in high pressure applications.
  • Ball locking mechanism provides safe and reliable connection.
  • Every Coupling is pressure tested.
Product Range & Operating Parameters :
  • Available Size: 1/8” 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 :
  • Industrial Hydraulic lines
  • Food and Chemical Processing
  • Mobile Equipments
  • Some Gases
  • Corrosive Fluids and environments

Material of Construction :
Sr. No. Description Material
1 Sleeve SS316
2 Ball Stainless Steel
3 Lock Ring SS316
4 Spring SS316
5 Lock Ring SS316
6 Spring Stopper SS316
7 Backup Ring PTFE
8 ‘O’ Ring Fluorocarbon
9 Captive Seal Fluorocarbon
10 Coupler Body SS316
11 Captive Seal Retainer SS316
12 Spring SS316
13 Lock Ring SS316
14 Valve Guide Brass
Sr. No. Description Material
1 Plug Body SS316
2 Captive Seal Retainer SS316
3 Captive Seal Fluorocarbon
4 Valve Guide Brass
5 Lock Ring SS316
6 Spring SS316

End Connection Size Dimensions in mm / inch Dawsons-Tech Part No.
A B C D E F A/F-1 A/F-2
1/4" BSP 27.0 21.2 58.0 14.2 36.0 19.0 19.0 CQ11-CP-FF4RG-SSV
1.06'' 0.83'' 2.28'' 0.56'' 1.42'' 0.75'' 0.75''
3/8” BSP 34.0 26.5 66.0 19.0 41.0 24.0 24.0 CQ11-CP-FF6RG-SSV
1.34'' 0.94'' 2.60'' 0.75'' 1.62'' 0.94'' 0.94''
1/2" BSP 42.0 30.0 74.0 23.5 46.5 27.0 27.0 CQ11-CP-FF8RG-SSV
1.65'' 1.18'' 2.91'' 0.93'' 1.83'' 1.06'' 1.06''
3/4" BSP 50.0 44.0 92.0 31.5 57.0 36.0 36.0 CQ11-CP-FF12RG-SSV
1.97'' 1.73'' 3.62'' 1.24'' 2.24'' 1.42'' 1.42''
1” BSP 60.0 52.0 103.0 37.8 63.0 41.0 41.0 CQ11-CP-FF16RG-SSV
2.36'' 2.05'' 4.05'' 1.49'' 2.48'' 1.61'' 1.61''
1/4" NPT 27.0 21.2 58.0 14.2 36.0 19.0 19.0 CQ11-CP-FF4N-SSV
1.06'' 0.83'' 2.28'' 0.56'' 1.42'' 0.75'' 0.75''
3/8” NPT 34.0 26..5 66.0 19.0 41.0 24.0 24.0 CQ11-CP-FF6N-SSV
1.34'' 1.04'' 2.60'' 0.75'' 1.62'' 0.94'' 0.94''
1/2" NPT 42.0 30.0 74.0 23.5 46.5 27.0 27.0 CQ11-CP-FF8N-SSV
1.65'' 1.18'' 2.91'' 0.93'' 1.83'' 1.06'' 1.06''
3/4" NPT 50.0 44.0 92.0 31.5 57.0 36.0 36.0 CQ11-CP-FF12N-SSV
1.97'' 1.73'' 3.62'' 1.24'' 2.24'' 1.42'' 1.42''
1” NPT 60.0 52.0 103.0 37.8 63.0 41.0 41.0 CQ11-CP-FF16N-SSV
2.36'' 2.05'' 4.05'' 1.49'' 2.48'' 1.61'' 1.61''
  Dimensions are for reference only and are subject to change.