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- Case Study: Roger Chapman Pisces III
- Case Study: HMS Edinburgh
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- Archive
- James Fisher's Tony Tang Kok Yong qualifies as first Singaporean Submarine Rescue Vehicle Pilot 1
- JFD welcomes Peter Laughton MBE as Head of Military Diving
- James Fisher & Sons strengthens defence presence in Barrow-in-Furness supporting Submarine Manufacture
- PRESS RELEASE: Andrew Bowie MP visits JFD Westhill to see a global success story in the underwater industry
- Archive
- Divulged - Winter 2017
- Divulged - Summer 2017
- Divulged - Winter 2016
- Divulged - Summer 2018
- Divulged - Winter 2018
- Divulged - Winter 2019
- Divulged 2021 Edition 1
- UDT 2019
- Visit JFD at UI 2016
- Visit us at OTC Asia 2018
- Visit JFD on stand 338 at Underwater Intervention 2018
- JFD is exhibiting at ONS 2018
- JFD is exhibiting at OSEA 2018
- Join JFD at IDEX 2019
- See JFD at Subsea Expo 2019
- JFD takes on BALT Military Expo
- JFD presents complete defence offering at UDT 2018 in Glasgow
- Join JFD at ADIPEC 2018
- Visit JFD at Pacific 2017
- Visit JFD at MSPO 2018 in Poland
- JFD presenting at UDT conference
- JFD is exhibiting alongside James Fisher Nigeria at NOG
- JFD exhibiting at UDT 2016
- Visit JFD at Underwater Intervention 2019
- JFD is participating at Underwater Defence & Security
- See JFD at this year’s IMCA Annual Seminar
- JFD is exhibiting at LAAD Defence & Security 2019
- JFD LEXMAR is exhibiting at OSEA 2016
- JFD is exhibiting at Subsea Expo 2017
- Visit JFD at Indo Defence 2018 Expo and Forum
- Visit JFD on stand 403 at Underwater Intervention 2017
- JFD exhibiting at Europoltech
- JFD at IMDEX
- Visit JFD at UDT 2017
- Visit JFD at DSEI 2017
- JFD is exhibiting at OTC 2018
- JFD is exhibiting at Subsea EXPO 2018
- JFD is exhibiting at Sea Air Space 2018
- Visit JFD at DSA 2018
- See JFD at Defexpo 2018
- JFD is exhibiting at ADIPEC 2017
- Come see JFD at DSEI!
- See JFD at IMDEX Asia 2019
- JFD is at Oil & Gas Asia 2019
- Experience DSEI with JFD
- See JFD's full defence capability at MSPO 2019
- JFD is exhibiting at this year's Offshore Europe
- Visit us on stand 2S16 at Pacific
- See JFD at ADIPEC on stand 13572
- Explore our commercial capabilities at Bergen International Diving Seminar
- JFD showcasing commercial and defence capabilities at Underwater Intervention
- JFD exhibiting alongside James Fisher Offshore at Subsea Expo
- Visit our stand at DSEI 2021!
- Join JFD at Subsea Expo 2022
- Visit JFD Australia at Indo Pacific 2022
- JFD North America is exhibiting at SOFIC 2022
- Experience CNE 2022 with JFD
- Discover JFD at UDT 2022
- Join JFD at GSOF Symposium Europe this October
Interlock
The JFD interlock is designed to prevent the doors of medical, equipment, or transfer locks being opened whilst under pressure.
This interlock is very simple to operate. As the chamber is pressurised, the interlock mechanically locks the bolt in the extended position. The interlock bolt cannot be retracted until the chamber pressure is less than 1psi.
When the bolt is in the retracted position the gas supply to the chamber is isolated and the chamber cannot be pressurised.
When the bolt is retracted the chamber is vented through the interlock vent ports, this ensures that the chamber cannot be pressurised from another source. This facility also allows the interlock to be used in a vent only configuration, in which case port B would be plugged.
| Interlock | Interlock | Interlock | Interlock |
|
|
|
|
|
Design and operational notes |
|
|
Interlock bolt cannot be retracted with port pressure above 1psi. |
|
Pressure ratings |
|
|
Maximum working pressure |
45 bar |
|
Design pressure |
49.5 bar |
|
Hydrostatic test pressure |
68 bar |
|
Design temperature |
-20oC to +50oC |
|
Bolt and bolt stroke can be any practical length. (By changing interlock bolt only). interlock can lock in any attitude. |
|
| Item | Order code |
|
Interlock |
DC0300AA |
|
Spares kit for interlock |
DC0300202 |
|
Interlock DNV approved |
DC0300DA |
|
Interlock Lloyds approved |
DC0300LA |
| Document | Document type | Download |
| Divex interlock | Datasheet | |
| Type DC0300** interlock variants | Operation and maintenance | |
| Interlock assembly, sliding bolt, general arrangement | Drawing | |
| Interlock standard, medical / equipment / transfer lock | Drawing |
| Interlock | Interlock | Interlock | Interlock |
|
|
|
|
|
Design and operational notes |
|
|
Interlock bolt cannot be retracted with port pressure above 1psi. |
|
Pressure ratings |
|
|
Maximum working pressure |
45 bar |
|
Design pressure |
49.5 bar |
|
Hydrostatic test pressure |
68 bar |
|
Design temperature |
-20oC to +50oC |
|
Bolt and bolt stroke can be any practical length. (By changing interlock bolt only). interlock can lock in any attitude. |
|
| Item | Order code |
|
Interlock |
DC0300AA |
|
Spares kit for interlock |
DC0300202 |
|
Interlock DNV approved |
DC0300DA |
|
Interlock Lloyds approved |
DC0300LA |
| Document | Document type | Download |
| Divex interlock | Datasheet | |
| Type DC0300** interlock variants | Operation and maintenance | |
| Interlock assembly, sliding bolt, general arrangement | Drawing | |
| Interlock standard, medical / equipment / transfer lock | Drawing |
