BSC Quick exhaust valve for screw connection G 1/8 | Windowdrives

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Drives

Spindle drives

Spindle drives, sometimes also called lifting spindle motors, push out a push rod in the longitudinal direction of the drive by turning a threaded spindle installed inside and can sometimes apply very high forces. This type of construction is virtually the standard for skylight domes, arcade rooflights and all other horizontally installed and upward opening window elements.

If you want to retrofit a skylight dome with a drive, our Buyer's guide for skylight dome drives will certainly help you.

Chain drives

Chain drives push a back-stiff chain out of the housing at a 90° angle. Back stiff means that the chain can only bend in one direction. For this reason, chain drives on windows or skylights can exert a lot of force when extending. The common belief that chain drives can only pull is therefore wrong. The design ensures that these drives do not obtrusively dominate the window, but lie flat on the frame and integrate unobtrusively into the overall view. We have buying guides for a few standard applications. For Standard turn/tilt windows, tilt windows opening further than 150mm, for Side-hung windows or for Roof windows.

We will show you thebasic structure of chain drives in our blog.

Rack and pinion drives

In rack drives, a gear motor mounted on the side pushes a steel rack out or in via a pinion. The rack is guided in a tube. The cross-section of the steel push rod is usually 12 x 12mm. The electronics of these drives is quite insensitive to dirt encapsulated in a robust gear housing made of aluminum or plastic. Because the motor is mounted on the side, the overall length is relatively short.

Scissor drives

Slotted drives

Swing door operators

Drives for outdoor use

Folding arm drives

Vane drives

Locking drives

Manual drives

Brackets and fittings

Fixing accessories

Spare parts

LAMILUX F100 skylight dome

LAMILUX flat roof window F100

LAMILUX continuous row B (2013)

LAMILUX continuous row B

LAMILUX electric opener

LAMILUX pneumatic opener

LAMILUX hand opener

LAMILUX control panels and accessories

LAMILUX alarm boxes and accessories

LAMILUX Pneumatics Ventilation Accessories

Control technology

SCHÜCO spare parts

Original Schüco spare parts for Schüco windows and doors.

Pneumatics

Pneumatic cylinder

Pneumatic cylinders are often used in SHEV systems. They do not require an electrical connection, but are operated with CO2 (up to 60bar for SHE) or compressed air (up to 10bar for ventilation). There are SHEV systems equipped with pneumatic cylinders for one direction only (OPEN). The advantage of this is that only one compressed air line is required. After a release, the system must then be closed again by hand. Pneumatic cylinders are available in many different versions. They differ, for example, by the connection (at the cylinder head. at the -foot, in the middle, ...), the size (the larger the diameter, the higher the force), the stroke length, or whether the piston rod is mechanically verreigelt. In this category you will find all common types. But do not hesitate to contact us if you need advice.

CO2 bottles

Steel cylinders filled with CO2 (carbon dioxide) are used in local releases (TAG) of smoke and heat extraction systems or in alarm boxes. They differ in filling quantity (weight) and connection thread. Common thread sizes are 1/2 UNF, M14 x 1.25 and M18 x x1.5. CO2 cylinders are available with or without a riser tube. A riser tube prevents icing when cylinders are installed vertically, ensuring that the cylinder volume is released more quickly. We also carry refilled cylinders. These may only have visual defects, but are technically in no way inferior to a "new" CO2 cartridge. Of course, refilled cylinders are approved and may be used without any problems.

CO2 cylinders must be checked annually. The weight is checked with the help of a scale (tare is indicated on each cylinder) and a visual inspection is carried out.

Alarm boxes

Alarm boxes, often also called emergency release stations or CO2 emergency release boxes, are mounted at eye level in the area of access points and are used to trigger SHEV groups. In the event of a fire, the CO2 cylinder inserted in the alarm box is pricked by a lever valve and the gas flows into the piping system. This opens SHEVs (smoke and heat exhaust ventilators) so that a low-smoke layer can form and people can escape to safety or rescue workers can fight the source of the fire. The more CO2 is required, the larger the alarm boxes. That is why there are different sizes. Most systems are "open only" systems. This means that the skylight domes or arcade rooflights are only opened with CO2 and must be closed again manually after the fire. "Open/Close" alarm boxes have a second lever with which the system can be closed again. Our alarm boxes are also available with electric or pneumatic remote triggering.

Tasterventile

Pushbutton valves are used when pneumatically operated SHEV systems are not only to be opened with CO2 in case of fire, but also ventilation is used. For daily ventilation, compressed air is used as the medium. When the corresponding button is pressed, the compressed air is directed to the pneumatic cylinder and opens or closes it. For electrical control, the pushbutton valves are also available with 12V/DC, 24V/DC or 230V/AV connection. Thus they behave like a solenoid valve and can be integrated into the building control system (keyword: Smart Home).

Pure ventilation systems (without priority connection for CO2) are actuated with the pushbutton valve TV N6-5/2, the pushbutton valve in the TV N6-7/3 version has a CO2 priority connection and is thus used in SHEV systems.

Please note that the "old" version with the type designation "TV 06" is not mechanically compatible with the new version "TV N6". So if you need a pushbutton valve as a replacement and want to install it in the existing valve box, it will not fit (the hole spacing for the pushbuttons has changed).

Thermal releases

Thermal releases, often called thermal initiators or TAGs, are used to trigger a smoke and heat exhaust ventilator (SHEV) locally in the event of a fire. When the ambient temperature of the TAG exceeds a certain threshold, a glass vial bursts and the CO2 cylinder is pricked. This causes the gas to flow into the pneumatic cylinder and opens the smoke vent. The glass vials are available for different temperatures. The most common are 68°C and 93°C. Care must also be taken to ensure the correct diameter for the glass bulbs. The thermal activators differ in their use (installation in systems with open-close cylinders, "open only" systems, with/without venting...) and in the connection thread for the CO2 cartridge.

TAGs can also be triggered remotely. For example, with 24V, pneumatic or pyrotechnic elements (compressed gas generator, compressed gas release). There is also the possibility of a "triggered" feedback. Here, a spring-loaded contact senses the state of the glass bulb and closes a contact when a local SHEV release has occurred.

Compressed gas generators

Compressed gas generators are pyrotechnic elements and are used for remote triggering of thermal tripping devices. When a high current flows for a short time (a few milliseconds), they are ignited and a small metal piston shoots out of the housing. This destroys the glass bulb, causing the RWG (smoke and heat exhaust ventilator) to trip. They may only be connected to control panels that are suitable for this purpose. "Normal" 24V SHEV control panels" are not suitable for this purpose.

Quick exhaust valves

Quick exhaust valves are used to vent pressurized systems more quickly and thus allow cylinders to run faster.

Check valves

Check valves allow the medium (CO2, compressed air, oil, water, ...) to flow through in one direction only.

Maintenance accessories

In this category you will find useful accessories for the maintenance of SHEV systems. For example, you can use an adapter to operate pneumatic cylinders with compressed air or check the needles of CO2 releases.

Connection accessories

Here you will find various connection fittings for our pneumatic cylinders. Common connection tube diameters are 4, 6, 8mm. Please note that the elbow swivel fittings differ not only in the connection tube diameter, but also in the collar length. Depending on the bracket, here the clear width of the bracket plays a role, you need the elbow swivel fitting in the appropriate length. If you have any questions about this, we will be happy to help you.

Gas springs

Pneumatic chain drive

Bolt cylinder

Brackets and fittings PN

Druckluftschläuche + Zubehör

Electrical accessories

Smart Home Systeme - Homematic IP

Wind/rain detector SHEV/ventilation

Wind/rain detectors ensure that windows or skylights close when it rains or storms. In this category we have listed the most common variants of German and Italian manufacturers. Depending on whether you need a combined wind and rain detector or just a rain detector, you can also narrow down your search using the menu on the left. You are sure to find the right item here.

If you need a little more detailed knowledge about this topic, we recommend our blog article Wind/rain detector for SHEV or ventilation systems. Here we give a lot of background information about the connection to SHEV control panels or ventilation systems.

Other frahling sensors

This category deals with sensors that are often used in weather stations or special controllers. The measured values are output, for example, as current (4..20mA) or as voltage value 0..10V. These values can then be read out and further processed via analog inputs of microcontrollers, PLCs or other controllers. Please note that these sensors cannot be connected to SHEV control panels without further ado.

Load disconnections and synchronous controls

Load cut-offs are electronic modules that ensure that drives switch off correctly when they are blocked or have reached the end position. If several drives are to be switched off simultaneously and in front of each other, tandem switch-offs are used. And if several drives are to run at exactly the same speed, so-called synchronous controls are required. We have written a detailed blog article on this topic Click here.

Actuators and switch-off electronics must fit together, so it is best to stay with the same manufacturer (actuators and electronics).

Radio components

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Verlängerungskabel

Network technology & SAT

Industrie und Verteilerbau

Lampen

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SHEV button

Radio SHEV

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Batteries

Module

Alarmgeber

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Fire alarm technology

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Ventilation centers

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Door technology

Door opener

Bolts and locks

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Access control

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Brackets and fittings door technology

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Complete sets

We are happy to support you in finding suitable solutions for your requirements and wishes. Functionality, safety, comfort and design are important aspects. Benefit from our years of experience - we look after you from the initial idea to delivery and are still there for you after the purchase!

Tilt window up to 150mm opening

Our buying guide will probably help you find the right set faster. We show you what you have to pay attention to and which measurements we need. After entering your measurement values, we will show you all sets suitable for your application as a result. Click here to go to the buying guide.

Tilt windows from 150mm opening

Our buying guide will probably help you find the right set faster. We show you what you have to pay attention to and which measurements we need. After entering your measurement values, we will show you all sets suitable for your application as a result. Click here to go to the buying guide.

Rotating window

Our buying guide will probably help you find the right set faster. We show you what you have to pay attention to and which measurements we need. After entering your measurement values, we will show you all sets suitable for your application as a result. Click here to go to the buying guide.

Skylight

Our buying guide will probably help you find the right set faster. We show you what you have to pay attention to and which measurements we need. After entering your measurement values, we will show you all sets suitable for your application as a result. Click here to go to the buying guide.

Cellar hatches

Our buying guide will probably help you find the right set faster. We show you what you have to pay attention to and which measurements we need. After entering your measurement values, we will show you all sets suitable for your application as a result. Click here to go to the buying guide.

Light domes

Our buying guide will probably help you find the right set faster. We show you what you have to pay attention to and which measurements we need. After entering your measurement values, we will show you all sets suitable for your application as a result. Click here to go to the buying guide.

RWA staircase

Our buying guide will probably help you find the right set faster. We show you what you have to pay attention to and which measurements we need. After entering your measurement values, we will show you all sets suitable for your application as a result. Click here to go to the buying guide.

Light domes

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Preview: BSC Schnellentlüftungsventil für Verschraubung G 1/8

BSC Schnellentlüftungsventil für Verschraubung G 1/8

Item no: 7438

Manufacturer number: 7438

EAN: 4251682610537

Delivery time 12 - 15 Working days
Important info about the delivery time specification

€36.49 *

incl. VAT plus shipping costs

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The quick exhaust valve can be used to achieve shorter exhaust times in pressurized systems.... more

The quick exhaust valve can be used to achieve shorter exhaust times in pressurized systems. Cylinders "run" faster when the exhaust air side is vented more quickly.

Function

The quick exhaust valve should be installed near the largest volume (cylinder) to be exhausted. Several quick exhaust valves can be used if necessary. The pressure medium flows through the quick exhaust valve from "P" to "A" in the direction of the cylinder. Vent "R" is closed in the process. If the pressure drops at "P", venting takes place from "A" to "R".

Technical data

Nominal width: 6 mm
Medium: a)filtered, dry and unlubricated compressed air according to DIN ISO 8573-1, b) CO2
max. permissible operating pressure: 60 bar
Test pressure: 90 bar
Minimum switching pressure: 2 bar
Materials: aluminum, seals Perbunan
Maintenance: none
Operating temperature: according to VdS 2159 temp. class 1
Ambient temperature: -20 °C to +60 °C
Connections: G 1/8
Type: poppet valve

Technical advice

+49 9282 48731-15
technik@bsc-technology.de

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Technical data more

Scope of delivery:	Quick exhaust valve
Material:	Aluminum, seals Perbunan
Pipe diameter:	6 mm

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Scope of delivery

Quick exhaust valve

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