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flexible coupling177N
flexible coupling installation-ready Victaulic® Typ 177N
QuickVic™ flexible coupling
Victaulic® Typ 177N
This type of coupling ensures a flexible pipe connection that is so designed that a
certain degree of linear and/or angular movements can be compensated for.
The connection (Installation-Ready™ technology) can be provided without removing
the screws, nuts, seals and housing. It is merely the case that a lubricant has to be applied
to the sealing lip before the coupling is pushed onto a pipe that has been grooved on the basis
of a Vitaulic specification.
| Dimension range |
|---|
| DN 50/ 60,3 mm - DN 200/ 219,1 mm |
| Pipe preparation |
|---|
| Milled or roller grooved (conform with Victaulic standard groove specifications) |
| Maximum operating pressure |
|---|
| For pressures created by a full vacuum (29.9 in Hg/760 mm Hg) of max. 69 bar |
The operating pressure depends on the material, the wall thickness and the size of the pipe
QuickVic™ flexible coupling
MATERIAL SPECIFICATION
| Housing: |
|---|
| • spheroidal graphite cast iron acc. to ASTM A536, category 65-45-12. |
| • Standard: orange painted |
| • Optional: hot galvanized |
| lock screws / hexagon head nut |
|---|
| • Standard: electrolytic galvanized plain carbon steel |
| • Optinal: stainless steel 316 |
SEALING SPECIFICATION
| Classe „EHP“ |
|---|
| • EHP (Colour-Code red and green striped). |
| • Temperature range -34ºC to +121ºC/-30ºF to +250ºF. |
| • Can be specified for hot water applications within the stipulated temperature range and for a number of |
| diluted acids, oil-free air and numerous chemical applications. |
| • UL approval pursuant to ANSI/NSF 61 for cold +23°C/+73°F and hot +82°C/+180°F |
| drinking water pipes an conform with ANSI/NSF 372. |
| • NOT RECOMMENDED FOR CRUDE OIL. |
| Class „T“ Nitrile |
|---|
| • Colour code orange |
| • Temperature range –29 °C to +82 °C/–20 °F to +180 °F. |
| • Can be specified for crude oil products, air with oil vapours and vegetable and mineral oils within |
| the stated temperature range. |
| • Not compatible with hot water applications exceeding +66°C/+150°F or forhot and dry air |
| exceeding +60°C/+140°F. |
Permissible pipe end clearances
| Outer pipe-Ø | max. |
|---|---|
| 60,3 - 88,9 | 6,4 |
| 108,0 - 168,3 | 9,5 |
all specifications in mm
QuickVic™ flexible coupling
Implementation and installation – linear movement and angular deflection
The data in the table below state the linear movements and the angular deflection at the connections
to each of the couplers. These mechanical properties of a flexible coupler can be used for the
implementation of a pipeline system in order to do justice to bends within the pipeline system,
a settlement of buildings, seismic movements or expansions or contractions in the pipelines that are
caused by cold or heat.
The linear movement can be used in order to do justice to heat or cold-related expansions or
contractions that affect the pipes. When used in this manner, shear anchors are to be installed at
changes of direction, at the end of straight pipe sections or in order to separate longer pipe sections
to form smaller sections and in order to reduce movements at branch connections. Please refer to
the Victaulic datasheet 26.02 for detailed information with regard to the determination of the shear
anchor positions or guides.
The angular deflection of the connection can also be used in order to do justice to the axial changing
with a controlled angular deflection of offsets at existing changes of the pipe direction along the length
of the pipeline that results from the heat-related or cold-related expansions or contractions of the pipeline.
| Size | Linear motion | max. elbow | Pipe gradient (mm/m) |
|---|---|---|---|
| DN 50/ 60,3 | 2,3 mm | 2,17° | 38,1 mm |
| DN 65/ 76,1 | 2,3 mm | 1,72° | 30,2 mm |
| DN 80/ 88,9 | 2,3 mm | 1,47° | 25,9 mm |
| DN 100/114,3 | 4,6 mm | 2,29° | 40,3 mm |
| DN 125/139,7 | 4,6 mm | 1,88° | 32,9 mm |
| DN 150/168,3 | 4,6 mm | 1,56° | 27,3 mm |
| DN 200/219,1 | 4,6 mm | 1,2° | 21,0 mm |
extended product description
Victaulic Standard Nutsystem pipe couplings cast iron flex & type 177N
flexible coupling177N
QuickVic™ flexible coupling
Victaulic® Typ 177N
This type of coupling ensures a flexible pipe connection that is so designed that a
certain degree of linear and/or angular movements can be compensated for.
The connection (Installation-Ready™ technology) can be provided without removing
the screws, nuts, seals and housing. It is merely the case that a lubricant has to be applied
to the sealing lip before the coupling is pushed onto a pipe that has been grooved on the basis
of a Vitaulic specification.
| Dimension range |
|---|
| DN 50/ 60,3 mm - DN 200/ 219,1 mm |
| Pipe preparation |
|---|
| Milled or roller grooved (conform with Victaulic standard groove specifications) |
| Maximum operating pressure |
|---|
| For pressures created by a full vacuum (29.9 in Hg/760 mm Hg) of max. 69 bar |
The operating pressure depends on the material, the wall thickness and the size of the pipe
QuickVic™ flexible coupling
MATERIAL SPECIFICATION
| Housing: |
|---|
| • spheroidal graphite cast iron acc. to ASTM A536, category 65-45-12. |
| • Standard: orange painted |
| • Optional: hot galvanized |
| lock screws / hexagon head nut |
|---|
| • Standard: electrolytic galvanized plain carbon steel |
| • Optinal: stainless steel 316 |
SEALING SPECIFICATION
| Classe „EHP“ |
|---|
| • EHP (Colour-Code red and green striped). |
| • Temperature range -34ºC to +121ºC/-30ºF to +250ºF. |
| • Can be specified for hot water applications within the stipulated temperature range and for a number of |
| diluted acids, oil-free air and numerous chemical applications. |
| • UL approval pursuant to ANSI/NSF 61 for cold +23°C/+73°F and hot +82°C/+180°F |
| drinking water pipes an conform with ANSI/NSF 372. |
| • NOT RECOMMENDED FOR CRUDE OIL. |
| Class „T“ Nitrile |
|---|
| • Colour code orange |
| • Temperature range –29 °C to +82 °C/–20 °F to +180 °F. |
| • Can be specified for crude oil products, air with oil vapours and vegetable and mineral oils within |
| the stated temperature range. |
| • Not compatible with hot water applications exceeding +66°C/+150°F or forhot and dry air |
| exceeding +60°C/+140°F. |
Permissible pipe end clearances
| Outer pipe-Ø | max. |
|---|---|
| 60,3 - 88,9 | 6,4 |
| 108,0 - 168,3 | 9,5 |
all specifications in mm
QuickVic™ flexible coupling
Implementation and installation – linear movement and angular deflection
The data in the table below state the linear movements and the angular deflection at the connections
to each of the couplers. These mechanical properties of a flexible coupler can be used for the
implementation of a pipeline system in order to do justice to bends within the pipeline system,
a settlement of buildings, seismic movements or expansions or contractions in the pipelines that are
caused by cold or heat.
The linear movement can be used in order to do justice to heat or cold-related expansions or
contractions that affect the pipes. When used in this manner, shear anchors are to be installed at
changes of direction, at the end of straight pipe sections or in order to separate longer pipe sections
to form smaller sections and in order to reduce movements at branch connections. Please refer to
the Victaulic datasheet 26.02 for detailed information with regard to the determination of the shear
anchor positions or guides.
The angular deflection of the connection can also be used in order to do justice to the axial changing
with a controlled angular deflection of offsets at existing changes of the pipe direction along the length
of the pipeline that results from the heat-related or cold-related expansions or contractions of the pipeline.
| Size | Linear motion | max. elbow | Pipe gradient (mm/m) |
|---|---|---|---|
| DN 50/ 60,3 | 2,3 mm | 2,17° | 38,1 mm |
| DN 65/ 76,1 | 2,3 mm | 1,72° | 30,2 mm |
| DN 80/ 88,9 | 2,3 mm | 1,47° | 25,9 mm |
| DN 100/114,3 | 4,6 mm | 2,29° | 40,3 mm |
| DN 125/139,7 | 4,6 mm | 1,88° | 32,9 mm |
| DN 150/168,3 | 4,6 mm | 1,56° | 27,3 mm |
| DN 200/219,1 | 4,6 mm | 1,2° | 21,0 mm |
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