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Stainless Steel 1.4408 (AISI 316) (Standard)

Stainless Steel 1.4408 (AISI 316) (Standard)

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Aluminium

Aluminium

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Gun Metal

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Other

Hastelloy / PVDF

Hastelloy / PVDF

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Part Number

N4

(Elaflex Part Number: SBC-M 80)

Product GroupSafety Breakaway Couplings
Safety Breakaway Couplings
Example Pictures SBC (Breaking Bolt Type):
Example Pictures SBC-C (Cable Release Type):
Short DescriptionSBC
Safety Breakaway Couplings (Emergency Release Couplings) with integrated shut-off valves are used to avoid spillage and damage associated with drive and/or pull away incidents when loading and unloading.
DescriptionThe 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.
SizesSBC 1" (DN 25) up to 12" (DN 300);
SBC-C 2" (DN 50) up to 6" (DN 150).
ConnectionsBSP/NPT thread, DIN/ANSI/TW/TTMA flange – others on request.
PressureWorking pressure:
Aluminium PN 16,
Stainless steel PN 25,
Brass PN 16.
Temperature-20° C up to +80° C;
fulfilment of larger temperature range -50° C up to +200° C is possible - depending on medium, coupling and sealing material.
MaterialBody: either stainless steel (1.4401 (AISI 316), 1.4404 (AISI 316L), 1.4408 (CF-8M), 1.4409 (CF-3M)), aluminium or brass – others on request.
O-Rings: Viton® (FPM/FKM) – others on request.
Flat seal (for female parallel thread connections only): PTFE (stainless steel couplings), PU (aluminium and brass couplings) – others on request.
Breaking bolt types: breaking bolts of stainless steel.
Cable release type: supplied with a stainless steel pull cable attached to the collar of the coupling. The required secondary cable as connection to a fixed point is not supplied.
Approvals / CertificatesSBC and SBC-C SBC-C fulfill the requirements of European Pressure Equipment Directive category 2 (for higher demand on request).
Suitable for the use in potentially explosive atmosphere (ATEX) zone 1. Approved for the transport of dangerous goods on road (ADR), by rail (RID) and by ship (IMDG).
Lloyd’s Register 0038 RET0271208, TDT-UW-21/16, EAC TC No. RU Д-SE.MЮ62.B.02151
Product Sheet / Links
Overview Approvals
Brochure SBC
Homepage SBC
Application Photos SBC:
Animation Safety Breakaway Couplings with Breaking Bolts (SBC):
Animation Safety Breakaway Couplings with cable release (SBC-C):
Type of CouplingSBC Breaking Bolt Type - Marine Version
Product NameSBC Breaking Bolt Type
Part NumberN
Short DescriptionMarine Version
DescriptionUsed 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.
Breaking Bolt Forces

Example chart for possible breaking forces (release forces),
for working pressure = max. admissible working pressure.

Sizes1" (DN 25) up to 12" (DN 300).
ConnectionsBSP/NPT thread, DIN/ANSI/TW/TTMA flange – others on request.
PressureWorking pressure:
Aluminium PN 16,
Stainless steel PN 25,
Brass PN 16.
Temperature-20° C up to +80° C;
fulfilment of larger temperature range -50° C up to +200° C is possible - depending on medium, coupling and sealing material.
MaterialBody: either stainless steel (1.4401 (AISI 316), 1.4404 (AISI 316L), 1.4408 (CF-8M), 1.4409 (CF-3M)), aluminium or brass – others on request.
O-Rings: Viton® (FPM/FKM) – others on request.
Flat seal (for female parallel thread connections only): PTFE (stainless steel couplings), PU (aluminium and brass couplings) – others on request.
Breaking bolt types: breaking bolts of stainless steel.
Cable release type: supplied with a stainless steel pull cable attached to the collar of the coupling. The required secondary cable as connection to a fixed point is not supplied.
Approvals / CertificatesSBC fulfill the requirements of European Pressure Equipment Directive category 2 (for higher demand on request).
Suitable for the use in potentially explosive atmosphere (ATEX) zone 1.
Approved for the transport of dangerous goods on road (ADR), by rail (RID) and by ship (IMDG).
Lloyd’s Register 0038 RET0271208, TDT-UW-21/16, EAC TC No. RU Д-SE.MЮ62.B.02151
Product Sheet / Links
Overview Approvals
Brochure SBC
Homepage SBC
Nominal DiameterDN 80 (3")
Product NameDN 80 (3")
Part Number4
DescriptionSimilar to 2½", but where higher loading rates are required. Especially on rail tankers, marine tankers, ISO containers, Aviation fuel bunkering and related activities.
CommentConnections: 3" in BSP, NPT and Flanged inlet.
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