Pressed bends with seals - 1,5D

BPDL

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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Ducts and Fittings with seals - Products range

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Updated 2020-04-30

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Updated 2022-04-01

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Product code	Name of product	Files to download
SPR-C	Galvanised ducting - spiral ducts Circular spiral ducts are manufactured in diameters from 80 to 1600mm. Spiral ducting is available with a material thickness from 0.4 to 1.8 mm, from diameter 250mm they are provided with corrugations/exterior grooves for better tightness and rigidity under negative pressure. Circular ducting are manufactured from galvanized (standard), stainless steel, aluminium sheet, they meet requirements for air tightness class D certified by EN 12237.	Galvanised ducting - spiral ducts
BPL	Pressed bends with seals 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.	Pressed bends with seals
BPDL	Pressed bends with seals - 1,5D 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.	Pressed bends with seals - 1,5D
BPKL/BPKFL	Short pressed bends with seals 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).	Short pressed bends with seals
RPCL	Short, concentric reducer with seals The RPCL reducers have male ends which slip into spiral ducts or plain ducts. The ends feature double EPDM gaskets to ensure the highest class of air tightness. This reducer helps to save installation space, but it increases the flow resistance compared to RSCLL long reducers. Standard nominal diameters up to DN 315 mm are available for pressed pieces at a lower price and with an improved finish.	Short, concentric reducer with seals
RPCFL	Short ventilation reducer with female end and rubber seal The larger end is female without a gasket to fit over T-pieces and bends. The small end is male with a double EPDM gasket to slip into spiral ducts. This reducer helps to save installation space, but it increases the flow resistance compared to RSCLFL long reducers. Standard nominal diameters up to DN 315 mm are available for pressed pieces at a lower price and with an improved finish.	Short ventilation reducer with female end and rubber seal
TPCL/XPCL	90 degree T-pieces with rubber seals Ventilation T-pieces and X-pieces are available in several types and forms, depending on the size, diameter and standard or custom dimensioning. T-pieces and X-pieces are straight pieces of ductwork, provided with 90-degree branches, equal to or smaller than the main duct size. The pieces feature a neat finish with seam welds that require no additional sealing to maintain air tightness class D according to EN 12237 for an added value.	90 degree T-pieces with rubber seals
TPCL-CP-R / TPCL-CP-R-I	Insulated reducing T-pieces with blind end cap The T-piece can be installed in two different parts of a ventilation system. The T-piece can be fitted at the end of the ductwork, with the small port used as a cleanout. The T-piece can also be installed at corners of the ductwork, with the small port sealed with the end cap to work as an expansion (plenum) box. The blind end cap can always be removed to access the main duct. The insulated T-pieces are clad in sound-proofing rubber.	Insulated reducing T-pieces with blind end cap
SPL	Pressed saddle with rubber seals Pressed ventilation saddle (tee saddle) is used as an element for ventilation T-pieces production. Pressed saddle is also used as a way to branch a circular spiral duct, semi-rigid ducts or flexible sonoduct off the main duct run. Spun radius improves airflow and energy efficiency in the ventilation system. An end is equipped with EPDM rubber seal provides air-tightness class D acc. Eurovent standard. Pressed saddle is universal, one pressed saddle can be inserted on few different duct diameters, check the selection table.	Pressed saddle with rubber seals
ILPL	Flat pressed straight take-off with gasket Flat straight branches are designed for connecting round SPIRAL or plain ducts to the main square ducts. This piece is also used for fabrication of expansion boxes in air supply diffusers and wall-mounted and ceiling air diffusers. As a result of the double EPDM rubber gasket, it is perfect for both low- and high-pressure systems, since the product meets requirements for air tightness class D according to EN12237.	Flat pressed straight take-off with gasket
ILSL	Round to rectangular take-offs with radius with gasket Flat straight branches are designed for connecting round SPIRAL or plain ducts to the main square ducts. This piece is also used for fabrication of plenum boxes in air supply diffusers and wall-mounted and ceiling air diffusers. As a result of the double EPDM rubber gasket, it is perfect for both low- and high-pressure systems, since the product meets requirements for air tightness class D according to EN 12237.	Round to rectangular take-offs with radius with gasket
NSL	Male couplings with gaskets NSL male couplings allow connecting SPIRAL round ducts or round plain ducts with inner joints. The piece is installed by pressing both ends into the ducts to be joined, up to the stop in the middle of the male coupling. Next, the male coupling needs to be fastened to both ducts with self-drilling screws or rivets. As a result of the double EPDM rubber gasket, the product meets requirements for air tightness class D according to EN 12237.	Male couplings with gaskets
SNSL	Male couplings with gasket for round ducts SNSL male couplings with EPDM gaskets enable making flexible connections. They can be used as expansion joints in ductwork or for connecting ducts at floor penetrations. SNSL male couplings can also be installed for splicing replaced ducts in legacy systems. It is a popular solution for ventilation ducts continuously exposed to temperature variations which affect thermal expansion and shrinking of the ductwork. The fitting is also perfect for connecting fire dampers to the ductwork.	Male couplings with gasket for round ducts
SMSFL	Male - Female couplings with gasket for duct fittings SMSFL units are long male-to-female couplings for connecting ventilation fittings. They can be used for connecting fittings to spiral ducts without a press-in stop. If there is no press-in stop in the ducts, the end's insertion length can be freely adjusted. It is a popular solution for ventilation ducts continuously exposed to temperature variations which affect thermal expansion and shrinking of the ductwork. The fitting is also perfect for connecting fire dampers to the ductwork.	Male - Female couplings with gasket for duct fittings
CPSL	Pressed plug end with gasket The CPSL plug ends are pressed with a male end on the duct side to blind it at air tightness class D. The plug end rim is long enough to easily secure it with WGO screws without any risk of cutting the gasket's double lip. CPSL plug ends are equipped with a stop fold which prevents inserting the fitting too deep into the duct. Safe edges (rolled edges) allow the duct installer safer installation of the ductwork, by minimizing the possibility of cuts.	Pressed plug end with gasket