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Segmented bends with seals BSL
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Segmented bends are designed for building ventilation systems based on
SPIRAL ducts and plain ducts. They are made of 4 segments; b
Segmented bends are designed for building ventilation systems based on
SPIRAL ducts and plain ducts. They are made of 4 segments; bends in
diameters of DN 1120 mm and greater are composed of 5 segments.
The segments are fastened by hemming and seaming. The inside surface of
the hemmed seams is sealed, and as a result of the double
EPDM gaskets, this solution provides air tightness class D according to
EN 12237 for ventilation and recuperation systems.
The piece is connected with a duct by inserting one into the other.
The pieces can be made of 1.4404 stainless steel sheet for ventilation
systems in swimming pools.
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Segmented bends BS
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Segmented bends are designed for building ventilation systems based
on spiral and plain ducts. They are made of 4 segments; bends i
Segmented bends are designed for building ventilation systems based
on spiral and plain ducts. They are made of 4 segments; bends in
diameters of DN 1120 mm and greater are composed of 5 segments.
The segments are fastened by hemming and seaming. Bend sizes of 1.5D
or 2D are available by adding segments to reduce the pressure loss and
the flow resistance along the ventilation system. The piece is connected
with a duct by inserting one into the other.
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Short segmented bend with gaskets BSKL
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Short pressed bends are designed for building ventilation systems based on
spiral ducts and plain ducts. Seam welds provide airtigh
Short pressed bends are designed for building ventilation systems based on
spiral ducts and plain ducts. Seam welds provide airtightness class D without
the need to use any other sealants. In ventilation and heat recuperation systems,
the double EPDM gasket provides air tightness class D according to EN 12237.
The piece is connected with a duct by inserting one into the other. The short
bending radius helps installing the ductwork under a suspended ceiling with a
limited clearance. BPKFL bends feature a female end for direct connection to
the mounting frames of various air valves (e.g. KW-S-RM or KNT-RML).
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Short segment bends BSK
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Segmented bends are designed for SPIRAL ducts and plain ducts.
They are made of 4 segments; the bends in diameters of DN 1120 mm
Segmented bends are designed for SPIRAL ducts and plain ducts.
They are made of 4 segments; the bends in diameters of DN 1120 mm
and greater are made of 5 segments.
The segments are fastened by hemming and seaming. Bend sizes of 1.5D or
2D are available by adding segments to reduce the pressure loss and
the flow resistance along the ventilation system. The piece is connected
with a duct by inserting one into the other.
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Long segment bends BSDL/BSD
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Segmented bends are designed for spiral ducts. They are made of 5 segments;
the bends in diameters of DN 1120 mm and greater are ma
Segmented bends are designed for spiral ducts. They are made of 5 segments;
the bends in diameters of DN 1120 mm and greater are made of 6 segments.
The segments are fastened by hemming and seaming. BSDL bends feature sealed
inside surfaces of the hemmed seams and double EPDM gaskets to provide air
tightness class D according to EN 12237 for ventilation and heat recuperation systems.
The bending radius is ca. 1.5D to reduce the pressure loss and the flow resistance along
the ventilation system. The bending radius can be increased to 3D or 4D on request
to further improve the flow resistance.
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Offsets for spiral ducts and fittings ODSOL/ODSO
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ODSOL/ODSO Round duct offsets help routing ductwork around obstacles. The offset height is standardized; however, the oblique tube length ca
ODSOL/ODSO Round duct offsets help routing ductwork around obstacles. The offset height is standardized; however, the oblique tube length can be customized. The offset can also be fabricated with two 45 or 30-degree bends and a spiral duct section.
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Pressed bends with seals BPL
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Pressed ventilation bends are used for spiral ducting and flexible ducts.
Seam welding provides air-tightness class D, without addi
Pressed ventilation bends are used for spiral ducting and flexible ducts.
Seam welding provides air-tightness class D, without additional sealants.
EPDM double lip rubber seal provides air-tightness class D for ventilation
and heat recovery installations. In order to connect the fitting with ventilation
duct, we recommend inserting the bend into the duct.
The design of the pressed bends gives lower resistance and pressure drops.
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Pressed ventilation bends BP
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Pressed bends are designed for building ventilation systems based
on spiral and plain ducts. Seam welds improve the air tightness o
Pressed bends are designed for building ventilation systems based
on spiral and plain ducts. Seam welds improve the air tightness of
the ventilation system, while the hemmed rim helps to avoid cutting
injuries during handling and installation.
The piece is connected with a duct by inserting one into the other.
The pressed form of the ventilation piece helps to reduce the flow resistance
and the pressure loss. Air tightness can be increased to class B by wrapping
the joints with the TAL, MET or DUCT sealing tape.
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Pressed bends with seals - 1,5D BPDL
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Pressed bends are designed for building ventilation systems based on spiral
and plain ducts. Seam welds provide air tightness class
Pressed bends are designed for building ventilation systems based on spiral
and plain ducts. Seam welds provide air tightness class D without the need
to use any other sealants. In ventilation and heat recuperation systems,
the double EPDM gasket provides air tightness class D according to EN 12237.
The piece is connected with a duct by inserting one into the other. The pressed
form of the ventilation piece helps to reduce the flow resistance and the pressure loss.
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Pressed bends - 1,5D BPD
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Pressed bends are designed for building ventilation systems based on spiral
and plain ducts. Seam welds provide airtightness class
Pressed bends are designed for building ventilation systems based on spiral
and plain ducts. Seam welds provide airtightness class D without the need
to use any other sealants. In ventilation and heat recuperation systems,
the double EPDM gasket provides air tightness class D according to EN 12237.
The piece is connected with a duct by inserting one into the other. The pressed
form of the ventilation piece helps to reduce the flow resistance and the pressure loss.
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Short pressed bends with seals BPKL/BPKFL
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Short pressed bends are designed for building ventilation systems
based on SPIRAL ducts and plain ducts. Seam welds provide air tig
Short pressed bends are designed for building ventilation systems
based on SPIRAL ducts and plain ducts. Seam welds provide air tightness
class D without the need to use any other sealants.
In ventilation and heat recuperation systems, the double EPDM gasket provides
air tightness class D according to EN 12237. The piece is connected with
a duct by inserting one into the other. The short bending radius helps
installing the ductwork under a suspended ceiling with a limited clearance.
BPKFL bends feature a female joint for direct connection to the mounting
frames of various air valves (e.g. KN-RM or KWO-RML).
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Short pressed bends BPK/BPKF
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Short pressed bends are designed for building ventilation systems
based on spiral and plain ducts. Seam welds improve the air tight
Short pressed bends are designed for building ventilation systems
based on spiral and plain ducts. Seam welds improve the air tightness
of the ventilation system, while the hemmed rim helps to avoid cutting
injuries during handling and installation.
The piece is connected with a duct by inserting one into the other. The short
bending radius helps installing the ductwork under a suspended ceiling with a
limited clearance. BPKFL bends feature a female joint for direct connection to
the mounting frames of various air valves (e.g. KN-RM or KWO-RML).
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Pressed bends - stainless steel BPL-K-90
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Pressed bends are designed for building ventilation systems
based on SPIRAL ducts and plain ducts made from stainless
Pressed bends are designed for building ventilation systems
based on SPIRAL ducts and plain ducts made from stainless
steel sheet. Seam welds provide air tightness class C without
the need to use any other sealants. The piece is connected
with a duct by inserting one into the other. The pressed form
of the ventilation piece helps to reduce the flow resistance
and the pressure loss.
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Pressed bends with gaskets - stainless steel BP-K-90
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Pressed bends are designed for building ventilation systems
based on SPIRAL ducts and plain ducts made from stainless
Pressed bends are designed for building ventilation systems
based on SPIRAL ducts and plain ducts made from stainless
steel sheet. Seam welds provide air tightness class C without
the need to use any other sealants. The piece is connected
with a duct by inserting one into the other. The pressed form
of the ventilation piece helps to reduce the flow resistance
and the pressure loss.
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