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Safety Breakaway Couplings
Safety Breakaway Couplings (SBC)
Safety Breakaway Couplings

Safety Breakaway Couplings with integrated shut-off valves to avoid spillage and damage associated with drive and/or pull away incidents.

The couplings are designed to be the weakest link of the hose line or loading arm.
Suitable for a wide range of products including petroleum based products, chemicals and foodstuffs.

Three types can be distinguished:
- SBC Breaking Bolt Type 'Industrial Version'
- SBC Breaking Bolt Type 'Marine Version'
- SBC-C Cable Release Type
1) SBC Breaking Bolt Type 'Industrial Version'

Used to protect hose assemblies and loading arms against excessive loads, e.g. due to drive/pull away incidents or rapid removal of the mobile tanker in emergency situations.
Typical applications include container discharge, fuel bunkering truck-to-ship, ship-to-ship, terminal-to-ship, loading/unloading of tank trucks, rail tankers and ships.

Designed with breaking bolts; activation at a defined tensile (pulling) force on the transfer line being applied, either straight or at an angle.

Installation between a hose assembly or loading arm and a fixed point, e.g. pipe system, rail tanker or road tanker connection.
Release by pull at any angle up to 90 degrees.

SBC 'Industrial Type' have thre external breaking bolts. Breaking forces (release forces) are calculated on the basis of the working pressure of the system in Question.Standard breaking forces for SBC are calculated to protect a mating hose with a burst pressure 4 times WP. To protect hoses with other burst pressure specification or adjacent equipment which may be weaker than the hose please contact your sales representative who will provide a design guideline or can forward your special request to the MannTek technical department.

If the transfer line is subjected to inadvertent and strong tensile loads, e.g. due to a premature movement or the drifting of ships / barges, the coupling will separate and instantly seal the two open ends. It can be reassembled on site with a set of spare parts.
2) SBC Breaking Bolt Type 'Marine Version'

Used to protect hose assemblies against excessive loads, e.g. due to pull away incidents or rapid removal of the vessel in emergency situations.
Typical applications are ship to rig and ship to ship media transfers. Typical applications include container discharge, fuel bunkering truck-to-ship, ship-to-ship, terminal-to-ship.

Designed with breaking bolts; activation at a defined tensile (pulling) force on the transfer line being applied applied axially. In comparison to the 'Industrial Version' the coupling offers an increased resistance to torsion and bending loads to prevent unwanted separation.

SBC 'Marine-Version' have thre external breaking bolts. Breaking forces (release forces) are calculated on the basis of the working pressure of the system in question.
Standard breaking forces for SBC are calculated to protect a mating hose with a burst pressure 4 times WP.

To protect hoses with other burst pressure specification or adjacent equipment which may be weaker than the hose please contact your sales representative who will provide a design guideline or can forward your special request to the MannTek technical department.

If the transfer line is subjected to inadvertent and strong tensile loads, e.g. due to a premature movement or the drifting of ships / barges, the coupling will separate and instantly seal the two open ends. It can be reassembled on site with a set of spare parts.
3) SBC-C Cable Release Type

Used to protect hose assemblies against excessive loads. Special type, recommended in transfer systems with the combination of high operating pressure and weak piping structure.

Compared with standard Safety Break Couplings with breaking bolts SBC-C are designed with a clamp system and an external collar with an attached cable.
The tensile force (pulling force) is not transmitted via the hose or loading arm, but by an integrated cable which is attached to a fixed point (pipework, rail tanker or road tanker).
The length of the cable is adjusted slightly shorter than the maximum length of the loading line.

Release forces are almost independent from the internal pressure (working pressure).
After the admitted travel limit of the cable is reached (angle up to 90 degrees), only a small pull is sufficient to actuate the separation.

If the cable reaches the admitted travel limit and a defined pulling force, the external colllar is pulled off and clamps are actuated; the coupling will separate and instantly seal the two open ends. There are no loose components which can get lost. After separation the coupling is checked and can be reconnected without spare parts or special tools.

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Cryogenic Breakaway Couplings
Cryogenic Breakaway Couplings (CBC)
Cryogenic Breakaway Couplings

Safety Breakaway Couplings with integrated shut-off valves to avoid spillage and damage associated with drive and/or pull away incidents.

The couplings are designed to be the weakest link of the hose line or loading arm.
Suitable for cryogenic liquefied gases (LNG, nitrogen, oxygen, argon, ethylene etc.) down to -196° C.

Four types can be distinguished:
- CBC Breaking Bolt Type 'Industrial Version'
- CBC Breaking Bolt Type 'Marine Version'
- CBC-C Cable Release Type
- CBC-PERC

1) CBC Breaking Bolt Type 'Industrial Version'

Used to protect hose assemblies and loading arms against excessive loads, e.g. due to drive/pull away incidents or rapid removal of the mobile tanker in emergency situations.
Typical applications include container discharge, fuel bunkering truck-to-ship, ship-to-ship, terminal-to-ship, loading/unloading of tank trucks, rail tankers and ships.

Designed with breaking bolts; activation at a defined tensile (pulling) force on the transfer line being applied, either straight or at an angle.

Installation between a hose assembly or loading arm and a fixed point, e.g. pipe system, rail tanker or road tanker connection.
Release by pull at any angle up to 90 degrees.

CBC 'Industrial Type' have three external breaking bolts. Breaking forces (release forces) are calculated based on the working pressure of the system in question.
Standard breaking forces for SBC are calculated to protect a mating hose with a burst pressure 4 times WP.

To protect hoses with other burst pressure specification or adjacent equipment which may be weaker than the hose please contact your sales representative who will provide a design guideline or can forward your special request to the MannTek technical department.

If the transfer line is subjected to inadvertent and strong tensile loads, e.g. due to a premature movement or the drifting of ships / barges, the coupling will separate and instantly seal the two open ends. It can be reassembled on site with a set of spare parts.
2) CBC Breaking Bolt Type 'Marine Version'

Used to protect hose assemblies against excessive loads, e.g. due to pull away incidents or rapid removal of the vessel in emergency situations.
Typical applications include container discharge, fuel bunkering and loading operations truck-to-ship, ship-to-ship, terminal-to-ship.

Designed with breaking bolts; activation at a defined tensile (pulling) force on the transfer line being applied axially. In comparison to the 'Industrial Version' the coupling offers an increased resistance to torsion and bending loads to prevent unwanted separation.

CBC 'Marine-Version' have three external breaking bolts. Breaking forces (release forces) are calculated based on the working pressure of the system in question.
Standard breaking forces for SBC are calculated to protect a mating hose with a burst pressure 4 times WP.

To protect hoses with other burst pressure specification or adjacent equipment which may be weaker than the hose please contact your sales representative who will provide a design guideline or can forward your special request to the MannTek technical department.

If the transfer line is subjected to inadvertent and strong tensile loads, e.g. due to a premature movement or the drifting of ships / barges, the coupling will separate and instantly seal the two open ends. It can be reassembled on site with a set of spare parts.
3) CBC-C Cable Release TypeUsed to protect hose assemblies against excessive loads. Special type, recommended in transfer systems with the combination of high operating pressure and weak piping structure.

Compared with standard Safety Break Couplings with breaking bolts CBC-C are designed with a clamp system and an external collar with an attached cable.
The tensile force (pulling force) is not transmitted via the hose or loading arm, but by an integrated cable which is attached to a fixed point (pipework, rail tanker or road tanker).
The length of the cable is adjusted slightly shorter than the maximum length of the loading line.

Release forces are almost independent from the internal pressure (working pressure).
After the admitted travel limit of the cable is reached (angle up to 90 degrees), only a small pull is sufficient to actuate the separation.

If the cable reaches the admitted travel limit and a defined pulling force, the external collar is pulled off and clamps are actuated; the coupling will separate and instantly seal the two open ends. There are no loose components which can get lost. After separation the coupling is checked and can be reconnected without spare parts or special tools.
4) CBC-PERC'Powered Emergency Release Coupling' with remote controlled release, additionally passive release as safety backup.
Used to protect hose assemblies and loading arms against excessive loads, and for manual release in emergency situations.

Two activation methods:
1) Pneumatic, remote-controlled release - MannTek supplies this coupling as a system including control and monitoring system
2) At a defined tensile (pulling) force on the transfer line being applied at an angle of up to 90 degrees.
Suitable for the transfer of cryogenic liquefied gases (LNG, nitrogen, oxygen, argon, ethylene etc.) down to -196° C.

Typical applications include container discharge, fuel bunkering truck-to-ship, ship-to-ship, terminal-to-ship, loading/unloading of ships.

CBC-PERC is a powered version of the CBC with the advantage that it can be released by external overload or manually operated.
In case of a remote controlled release, a Nitrogen gas cylinder will be opened and gas pressure will release the breaking bolts.

CBC-PERC systems require consultation between a MannTek project manager and the operator during the entire planning phase, including risk analysis (RA, HAZOP, HAZID).

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Swivel Joints
Swivel Joints (SJ)
Swivel Joints

Standard type with single ball race and heavy duty with double ball race, to avoid torque stress (torsion) between two equipment parts.

Standard type with single ball race
allows free rotation between hose assembly and attached handling equipment such as filling nozzles.
Standard duty Swivel Joints are used e.g. in filling plants to avoid torsion of hose assemblies and improve the handling and coupling of nozzles if no integrated swivel is attached.
One capsulated ball bearing and PTFE bearing. Electrically conductive.
Designed to allow smooth rotation (slow rotary movement) of operating devices such as filling nozzles.
Not certified to bear side loads or high bending moments; for high bending movements, please use 'heavy duty' Swivel Joints.

Available sizes ¾" (DN 19) up to 4" (DN 100). Special type 'Heavy Duty' with double ball race
allows free rotation between hose assembly and the fixed point of a plant / pipe system, e.g. tank truck or rail tanker connection.
Heavy duty Swivel Joints are designed especially for hose reels to load and unload products where high bending forces can occur - e.g. offshore hose reels ship-to-shore, oil platform loading rigs, hoses for road and rail tankers.
Two capsulated ball bearings. Electrically conductive.
Designed to allow smooth rotation (slow rotary movement) of hose assemblies which are attached to a fixed point of the pipework, e.g. rail tanker or tank truck connection.
Suitable to bear high bending moments. Do not use for strong side loads directly on the swivel.

Available sizes 2" (DN 50) up to 10" (DN 250).