Gas (LPG) : Sweden
Gas (LPG) : Sweden
Gas (LPG) : Sweden
Gas (LPG)
DGCouplings
®
Swivels SBCouplings
®
Dry Gas Couplings Swivel Joints Safety Break-away Couplings
1" DGCouplings
2" DGCouplings
Connecting pipelines
3" DGCouplings
4" DGCouplings
Calculation of Savings
The liquid release and the cost loss for 1.000.000 connections and disconnections
in LPG logistics per year when 1 T LPG = 1000 $ could be :
Acme-type threaded
connections (adaptors).
Flow Diagram - Pressure Loss Curve Technical Data
Bar
3,200
3,000
2,800
2,600
Pressure Loss Curve Size:
1”, 2”, 3” and 4”
2,400
1" 2"
2,200
2,000
1,800 Materials:
1,600
1,400 Gunmetal / Brass and
1,200
1,000
3" Stainless Steel 316L
0,800
0,600
4" SS-EN 10 272-1.4404+AT
0,400
0,200
0,000 Seal:
0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000
Litres/min FPM (Viton) or NBR (Nitrile)
Fluid: LPG, Density: 0,54 kg/dm³
according to EN549 B2/H3
Spillage diagram other materials on request
Comparasion of liquid loss during disconnection for Dry
Gas Couplings and traditional systems using open threaded Temperature range:
couplings, or flange to flange connections. The diagram -20ºC (-4ºF ) to 80ºC (176ºF)
shows that liquid loss for traditional systems may be as much (larger temperature range
as 10.000 times more than when using Dry Gas Couplings. from -50ºC (-58ºF ) up to
+200ºC (392 ºF ) is possible,
depending on Seal material)
Maximum Working pressure:
MWP PN 25.
MAWP 300 psi
Test Pressure:
38 bar
450 psi
Min. Burst
Pressure:
How it Works 125 bar / 1813 psi
Safety Factor:
To connect
Push and turn - it´s coupled 5:1
- full flow
End Connections:
Female and Male BSP / NPT,
ACME, Witworth threads and
To disconnect flanged DIN and ANSI.
Turn and pull -it´s released
- no spillage
Other connections on request.
Dust Cap
The Mann Tek Pressure Cap for Tank units / Adapters is designed to maxi-
mize operator safety and containment safety.
Features
• Pressure indicator
• Depressurization
• Customs / tamper seal feature
• Automatic locking
• Manually lockable (with padlock)
Integrated Break-away
Pressure relief valve for DGC Hose and Tank unit is used to
prevent "over pressure" in systems cause by terminal expan-
tion or as safety "pressure control" valve.
Pressure When the pressure reaches a certain level the valve opens
relief valve
and releases the over pressure.
Trapped
liquid
This system
dissipates trapped
fluid pressure
into hose coupler
without spillage, to
allow easy con-
Open pressure Open without nection.
equalizing valve pressure
Trapped liquid Pressure expands Full flow
into Hose Unit
in Tank Unit
Swivels The use of swivel hose avoids torsion of
hose assemblies, i.e. in filling machines,
Swivel Joints and improves the handling and coupling of
nozzles for refuelling of petroleum based
Hose swivels products and chemicals.
Sizes Features
¾” (DN20) to 4” (DN100)
Simple design, low maintenance. Each
unti consist of two body halves. Stainless
Maximum Working pressure: Steel balls and a single spring assisted
MWP PN 10 / 16 / 25.
O-ring seal.
MAWP 150 / 300 psi
Compact external dimensions
Test Pressure:
15 / 24 / 38 bar High flow rate / low pressure drop
225 / 450 psi
Full range of sizes, materials, seals
and connections
Materials
Aluminium, Brass, Stainless steel, Minimal maintenance requirements
Hastelloy, Titanium. Others on request.
Safety Swivel function - allows the hose
Connections to relax to it´s natural rest position whilst
Female and Male BSP / NPT, ACME, Witworth allowing freedom of movement without
threads and flanged DIN and ANSI. Others on imparting torque stress at the point of
request. connection - Torque stress is the largest
single cause of Composite, PTFE and
NOTE Stainless Steel convoluted hose failure.
Unsuitable for high bending moments.
Heavy Duty Swivels should be used in Economical Cost effective solution to
these applications. prolong lifetime of hoselines.
Materials
Stainless Steel. The swivel joints are designed for slow
Other material on request. rotary motions under the influence of high
internal pressures and/or big external stress
Maximum Working pressure: such as traction and bending forces.
MWP PN 10 - 125 bar
MAWP 150 - 1800 psi
With an appropriate combination of swivel
Connections joints nearly all movements from the simple
Female and Male BSP / NPT, ACME, Witworth rotation or swivelling motion up to motional
threads and flanged DIN and ANSI. actions in space can be realized.
Others on request.
SBCouplings
Safety Break-away couplings are used to
®
prevent pull away accidents, the internal
valves will close the flow in both lines
and prevent unwanted release of pro- Safety Break-away Couplings
duct.
Sizes
Industrial Break-away coupling is 1" (DN25) to 12" (DN 300)
utilized all industrial product trans-
fer installations. Working pressure
Max 25 Bar (363 psi)
The industrial SBCouplings are specifically
designed to be able to activate with a tensile Materials
force being applied at an angle to the plane Aluminium, Brass, Stainless steel, Hastelloy,
of the coupling housing, up to 90 degrees. Titanium. Others on request.
Features Connections
Female and Male BSP / NPT, ACME,
• where
Passive security against situations
a hose or loading arm could be
Witworth threads and flanged DIN and
ANSI. Others on request.
subjected to inadvertent excessive loads.
power source.
Flow DiagramFLOW
(Pressure Drop) for Break-away Couplings
DIAGRAM (Pressure Drop) for MBCouplings
1
Pressure Drop (bar)
MBC 4"
4" Break-away
0,5
MBC 6"
6" Break-away
(calculated)
0
0 500 1000 1500 2000 2500 3000 3500 4000 4500
Flow Rate (l/min)
Test Fluid: n-paraffin Temperature: 20 °C Density: 0,75 kg/dm³ Viscosity: 1,75 mm²/s
About Mann Tek Product and company information
Mann Teknik AB is a Swedish company
located in Mariestad, Sweden.
Sweden
Sweden
DDCouplings
®
DACouplings
®
Dry Disconnect Couplings
Art. nr: PR-021001-0121 Version: 130507 Art. nr: PR-010201-0112 Version: 111128
Sweden
Swivels
Swivel Joints
Product Information
Approvals
Company Approvals
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