Summary of Contents for HFT Pipestoppers Accu-Freeze 3000
- Page 1 HFT Pipestoppers ® Accu-Freeze™ (patented) ® HFT PIPESTOPPERS PIPESTOPPERS ACCU - FREEZE (Patented) Accu-Freeze Operating Instructions © HFT USER INSTRUCTIONS ®...
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Page 2: Table Of Contents
Therma couple installation AF 3000 Temperature Controller setup Initiate Freeze Seal Perform desired maintenance Terminate Freeze Seal Additional Information 9-14 HFT Pipestoppers Product Range 15-16 ® Other languages in progress Customer support and worldwide care Warranty Address and Contact Details Copyright ©... -
Page 3: Operating Instructions
LN2 tank is nearing empty. These indications change with the tanks you are using. 2.3 These tanks are normally configured with a Vent connection, and a Liquid connection. Ensure the LN2 tank connection to the freeze coil is made at the liquid connection. ® HFT PIPESTOPPERS... -
Page 4: System Requirements To Apply Freeze Seal
4.2 Connect the Control Solenoid Valve Header to the liquid nitrogen (LN2) tank liquid supply and the LN2 supply flexible hose to the Control Solenoid Valve Header. 4.3 Check Control Solenoid Valve isolation valve closed. ® HFT PIPESTOPPERS... -
Page 5: Therma Couple Installation
5.3 Connect the thermocouple wires to the AF 3000 controller the temperature monitor. Ensure the control thermocouple is attached to the controller. ® HFT PIPESTOPPERS... -
Page 6: Af 3000 Temperature Controller Setup
6. You should see the BASIC SETUP. 7. Press the right button (C) to enter BASIC SETUP. 8. Press the down button (B) until LOOP 1 SETPOINTS. 9. Press the right button (C) to enter LOCAL SETPOINT 1 sub section. ® HFT PIPESTOPPERS... - Page 7 18. Press the left button (A) key until you see the OPERATOR LEVEL screen. 19. The PV and SP should be displayed. 20. Verify the controller is in AUTO MODE if not repeat section Auto Mode Icon Manual Mode Icon ® HFT PIPESTOPPERS...
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Page 8: Initiate Freeze Seal
7.1 Open LN2 tank liquid valve. 7.2 Open the control solenoid header isolation valve, observe LN2 Flow and freeze seal formation. LN2 flow is indicated by the sound of escaping nitrogen gas and observing condensation at the coil exhaust. ® HFT PIPESTOPPERS... -
Page 9: Perform Desired Maintenance
9.4 After the freeze has warmed sufficiently, disassemble the Freeze wrap, and Accu-Freeze equipment. 10. Additional Information 10.1 The Accu-Freeze kit includes additional type T Thermocouple wire and connectors. ® HFT PIPESTOPPERS... - Page 10 1 1/2” 6” 0:25 2” 8” 0:40 3” 8” 1:20 4” 12” 2:15 6” 18” 3:40 8” 24” 5:30* 10” 36” 8:30* 12” 36” 12:30 *These are estimated times only, actual field tests have not been performed. ® HFT PIPESTOPPERS...
- Page 11 See step 4.1 for coil placement. When this configuration is used care should be taken to assure equal length of the coils from the tee to exhaust to allow balanced LN2 flow in both legs of the coil. ® HFT PIPESTOPPERS...
- Page 12 OPerATING INSTrucTIONS PAGE 12 Continued Typical Accu-Freeze System Configuration When Using Flexible Hose Lengths Greater Than 30 Feet. Note: the solenoid valve should be attached to the copper coil in a near upright position ® HFT PIPESTOPPERS...
- Page 13 OPerATING INSTrucTIONS PAGE 13 Continued ® HFT PIPESTOPPERS...
- Page 14 20 feet and < 50 feet Freezes > 50 feet and < 100 feet 35 Psi Freezes > 100 feet from LN2 source to feet wrap are not Contact recommended with supplied system. Additional equipment Vendor is recommend. ® HFT PIPESTOPPERS...
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Page 15: Hft Pipestoppers Product Range
PAGE 15 HFT Pipestoppers ® Product range Nylon Pipe Plugs HFT Pipestoppers ® are suitable for a myriad of applications. They are mostly used for weld testing, leak testing of pipework fabrications, weld purging or simply stopping to prevent the ingress of dirt, rodents and other unwanted material. -
Page 16: Hft Pipestoppers ® Product Range
PAGE 16 HFT Pipestoppers ® Product range continued rim Fastening Steel Plugs, single and double port, for pressure testing and stopping all pipework from 17" (432 mm) up to 95" (2400 mm). rim Fastening Steel Plugs, especially the large sizes,... -
Page 17: Other Languages In Progress
Les autres langues sont actuellement dans le progrès. Pour le moment, s’il vous plaît contacter votre Distributeur local Andere Sprachen sind momentan im Gange. Kontaktieren Sie vorläufig, bitte Ihren örtlichen Verteiler Otros idiomas son actualmente en progreso. Para ahora, contacta por favor su Distribuidor local ® HFT PIPESTOPPERS... -
Page 18: Customer Support And Worldwide Care
For further information and support, please contact us at: Internet: www.huntingdonfusion.com Email: hft@huntingdonfusion.com Tel: +44 (0) 1554 836 836 Worldwide Offices, Partners and Distributors are listed on our website or contact us and we will direct you to the correct location ® HFT PIPESTOPPERS... -
Page 19: Warranty
Purchaser, or to others, for injury to persons or property. This warranty is in lieu of all other warranties, expressed and implied. E&OE ® HFT PIPESTOPPERS... -
Page 20: Address And Contact Details
© HFT ® Accu-Freeze uI A5 AF91 - 26-04-2018 Me HUNTINGDON FUSION TECHNIQUES HFT Pipestoppers a division of Huntingdon Fusion Techniques HFT ® ® Stukeley Meadow Burry Port Carms SA16 0BU United Kingdom (UK) Telephone +44 (0) 1554 836 836 Fax: +44 (0) 1554 836 837 Email pipestoppers@huntingdonfusion.com or hft@huntingdonfusion.com...
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