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Silane – SiH4

Find here the essential information on silicon tetrahydride (SiH4) or silane: characteristics, effects on health, detection devices & systems – Silane gas detector – and proper respiratory protective equipment (self-contained breathing apparatus and supplied air respirator).

Silane gas detector and SiH4 respiratory protection for better safety

Silane properties

Silicon tetrahydride (SiH4) – most commonly known as silane – is an active gas primarily used for deposing silicon base layers. This process is performed through pyrolysis in the glass industry: oxygen-free thermal decomposition of organic materials. It is also used to produce amorphous silicon for photocopiers or solar cells.

CASTWA (8 hours)STEL (15 minutes)LELIPDensity / AirFilter / SCBA
7784-42-10.05 ppm0.2 ppm9.87 eV2.7SCBA

Silane effects on health

At ambient temperature, silane (SiH4) is a colorless gas with a specific smell. As it is heavier than air, it can replace oxygen in poorly ventilated areas and create asphyxiatingenvironments. The major silane hazard remains its explosiveness. Indeed, as it is extremely flammable, it can spontaneously ignite when in contact with the air. If heated, it produces hydrogenated silicon, which increase the risk of explosion.

Silane can be swallowed by inhalation. If released, this gas can swiftly reach hazardous concentration levels in the air. If inhaled, silane causes headaches, nausea, coughing and sore throat. The liquid’s fast evaporation can cause frostbite.

Silane gas detector - SiH4

Although SiH4 is detectable through smell, only a silane gas detector can accurately measure concentrations of this asphyxiating gas. It is thus advised to use fixed or portable silane gas detection devices or systems.

The colorimetric gas detection tube system is a simple and accurate solution composed by a manual sampling pump and a specific gas detection tube. They are designed for use together.

  • Gas detector tubes Colorimetric tube
  • Accurate: the sampling pump features a mechanical accuracy piston which creates a vacuum then enables direct reading on the colored tube (colorimetric tube)
  • Swift: one or two pump strokes are enough to draw sample and the value can be directly read on the tube
  • User-friendly: no knowledge, no specific process and no technical competence are required

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Colorimetric tubes

The colorimetric gas detection tube system is a simple and accurate solution composed by a manual sampling pump and a specific gas detection tube. They are designed for use together.

Gas detector tubes Colorimetric tube
  • Accurate: the sampling pump features a mechanical accuracy piston which creates a vacuum then enables direct reading on the colored tube (colorimetric tube)
  • Swift: one or two pump strokes are enough to draw sample and the value can be directly read on the tube
  • User-friendly: no knowledge, no specific process and no technical competence are required

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The Satellite XT is a fixed gas detector with interchangeable sensors. It is especially designed to continuously monitor hazardous concentrations of gases.

Detected gases: AsH3, BBr3, B2H6, BCl3, BF3, Br2, C2H4O, Cl2, ClF3, ClO2, CO, COCl2, F2, GeH4, H2, H2S, H2Se, HBr, HCl, HCN, HF, HMDS, MCF, MMH, N2H4, NH3, NO, NO2, O2, O3, PH3, POCl3, SiCl4, SiHCl3, SO2,TBA, TBP, TDMAT, TEOS, TMB, TMP, UDMH, WF6.

  • Fixed gas detector Satellite XT
  • Pyrolysis module detection: C4F6, C5F8, CH3F, DCE 1.2, NF3, SF6
  • Pre-calibrated interchangeable sensors, easy maintenance
  • 4-20mA linear output
  • 3 optional single-pole relays
  • Optional remote measure (up to 3 meters)
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Toxic corrosive & combustible gas detector – satellite xt

The Satellite XT is a fixed gas detector with interchangeable sensors. It is especially designed to continuously monitor hazardous concentrations of gases.

Detected gases: AsH3, BBr3, B2H6, BCl3, BF3, Br2, C2H4O, Cl2, ClF3, ClO2, CO, COCl2, F2, GeH4, H2, H2S, H2Se, HBr, HCl, HCN, HF, HMDS, MCF, MMH, N2H4, NH3, NO, NO2, O2, O3, PH3, POCl3, SiCl4, SiHCl3, SO2,TBA, TBP, TDMAT, TEOS, TMB, TMP, UDMH, WF6.

Fixed gas detector Satellite XT
  • Pyrolysis module detection: C4F6, C5F8, CH3F, DCE 1.2, NF3, SF6
  • Pre-calibrated interchangeable sensors, easy maintenance
  • 4-20mA linear output
  • 3 optional single-pole relays
  • Optional remote measure (up to 3 meters)
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The Microtox IV portable gas detectors automatically detects a sensor type, its target gas and alarm thresholds. Interchangeable sensors are ready to operate within a minute after start-up.

Gas detection: ethylene fluoride, ethylene oxide, ozone, phosgene, silane and THT.

  • Toxic gas detector Micro Tox IV
  • Detection principle: electrochemical sensor
  • 95 dB audible alarm and 2 LED visual alarm
  • 3 programmable alarm thresholds and low battery alarm
  • Up to 9 months runtime with easily replaceable alkaline battery
  • Up to 128 events data saved
  • Additional information
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Portable toxic gas detector – MICROTOX IV

The Microtox IV portable gas detectors automatically detects a sensor type, its target gas and alarm thresholds. Interchangeable sensors are ready to operate within a minute after start-up.

Gas detection: ethylene fluoride, ethylene oxide, ozone, phosgene, silane and THT.

Toxic gas detector Micro Tox IV
  • Detection principle: electrochemical sensor
  • 95 dB audible alarm and 2 LED visual alarm
  • 3 programmable alarm thresholds and low battery alarm
  • Up to 9 months runtime with easily replaceable alkaline battery
  • Up to 128 events data saved
Additional information

The single-gas detector MicroTox IV has been especially designed to detect toxic gases (hydrogen fluoride, ethylene oxide, ozone, phosgene, silane and THT). This small and lightweight single-gas detector features a large display which allows direct and easy reading of gas concentrations.

The integrated data logger records all events: gas concentration with time, respective alarm level (1, 2 or 3) and the average values for the short-time and long-time values. This data logger can save up to 200 events - older data being overwritten.

An infrared interface can be used to directly transfer the data to the docking station after usage. This infrared interface also allows users to perform daily bump test as well as calibration in a very short time.

The MicroTox IV is can be securely fastened to the user’s clothing with a durable crocodile clip. Its powerful audible alarm (95 dB) can be heard even in noisy conditions. The three alarm levels have different frequencies to avoid confusion with machine noise. In addition, the 2 ultra-bright LED alarm will flash to alert of hazardous concentrations.

The MicroTox IV can continuously detect gases up to 9 months with only one alkaline battery. Once the battery is replaced, the detector can immediately operate. MicroTox IV personal gas monitor is designed for a use of several years with only sensor and battery replacement with no need for purchasing another disposable device.

The large and intuitive screen displays battery status (a low battery is indicated with an audible alarm) and gas concentrations. Moreover, a confidence beep can be activated to remind user in regular intervals that the device is working.

As inaccessible areas like tanks and containers can contain deadly gas mixtures, the MicroTox IV can be equipped with an optional high-performance pump that can sample gas from up to 30 meters away. 

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The SPM Flex is an optical calibration-free gas optical analysis system. This single point tape-based toxic gas detector can accurately (ppb measurement) and swiftly monitor the presence of a hazardous gas.

  • Honeywell SPM Flex gas monitor with optical toxic gas analysis
  • Chemcassette® technology – immune to interferences, more than 50 available gases.
  • Calibration-free, minimal maintenance .
  • Audiovisual alarm (2 thresholds).
  • User-friendly interface and gas concentration digital display.
  • UL 61010-1 / CSA-C22.2 / IEC 61010-1 certified

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Toxic gas optical analysis – SPM FLEX gas detector

The SPM Flex is an optical calibration-free gas optical analysis system. This single point tape-based toxic gas detector can accurately (ppb measurement) and swiftly monitor the presence of a hazardous gas.

Honeywell SPM Flex gas monitor with optical toxic gas analysis
  • Chemcassette® technology – immune to interferences, more than 50 available gases.
  • Calibration-free, minimal maintenance .
  • Audiovisual alarm (2 thresholds).
  • User-friendly interface and gas concentration digital display.
  • UL 61010-1 / CSA-C22.2 / IEC 61010-1 certified

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SiH4 respiratory protection - Silane

As silane is an asphyxiating gas implying high risks of suffocation, it is recommended to wear an opened circuit self-contained breathing apparatus or an air supplying respirator for long-term applications.

The X-plore 6300 is a respiratory protective full face respirator. Cost effective, this is an ideal solution for industrial applications, providing users comfort and air purifying performance.

  • The X-plore 6300 full face respirator, a single filter gas mask by Dräger
  • Universal size
  • Large field of view
  • Hypoalergenic material
  • Integrated ventilation system
  • Compatible with X-plore Rd 40 filter series
  • Additional information
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Full face respirator X-plore 6300

The X-plore 6300 is a respiratory protective full face respirator. Cost effective, this is an ideal solution for industrial applications, providing users comfort and air purifying performance.

The X-plore 6300 full face respirator, a single filter gas mask by Dräger
  • Universal size
  • Large field of view
  • Hypoalergenic material
  • Integrated ventilation system
  • Compatible with X-plore Rd 40 filter series
Additional information

The X-plore 6300 single filter gas mask is a respiratory protective device that has been especially designed for use in industrial environments.

Made of ultra-resistant and hypoalergenic EPDM elastomer, this full face respirator features a dual airtight seal for maximal reliability, comfort and safety. Cost-effective, this mask fits perfectly in any morphology and any face shape witout annoying its wearer.

The large facepiece visor is made of PMMA plexiglass (polymethyl methacrylate) and features a plastic frame to offer a large 180° field of view without distorsion and an outstanding panoramic view. This visor is also especially treated to be scratch resistant. Moreover, the X-plore 6300 mask is equipped with an integrated ventilation system in order to avoid presence of steam and condensation inside the full facepiece.

Thanks to its universal size and its 5-point specific harness, this respirator is very easy to don and to remove. The special design of its donning straps avoids any pressure on the head or the face of the user. This way, the X-plore 6300 can be worn during long periods of time without annoying the user. taille. Furthermore, thanks to this standard size and its low weight – approximately 500 grams – the X-plore 6300 single cartridge respirator is easier to carry and to store.

Lastly, this respiratory protective full face respirator is fully compatible with X-plore Rd 40 series filters. These filters feature universal 40 mm connector threads in compliance with the EN 148-1 European standard. These filters are especially designed to purify air from any contaminant that could be harmful for the user. This filter range provides reliable and efficient protection in any situation against toxic substances – gas or particles. Thus, the X-plore 6300 single filter gas mask can be equipped with a particle filter, a gas filter or a combined filter to respond to any demanding application.

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Especially designed for industrial applications, the self-contained breathing apparatus R-Pas combines reliability, performance and comfort of use. Composed by an SCBA mask, a compressed air cylinder and a harness, the R-Pas complete set is provided in its carrying case.

  • complete SCBA set R-pas kit by Dräger: a full self-contained breathing apparatus in its carrying case
  • Efficient weight balance
  • Air supply hose and manometer integrated to the harness
  • Full face respiratory protective mask
  • Provided with high visibility orange carrying case
  • Well suited for use in ATEX zones
  • Additional information
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R-Pas complete SCBA set with carrying case

Especially designed for industrial applications, the self-contained breathing apparatus R-Pas combines reliability, performance and comfort of use. Composed by an SCBA mask, a compressed air cylinder and a harness, the R-Pas complete set is provided in its carrying case.

complete SCBA set R-pas kit by Dräger: a full self-contained breathing apparatus in its carrying case
  • Efficient weight balance
  • Air supply hose and manometer integrated to the harness
  • Full face respiratory protective mask
  • Provided with high visibility orange carrying case
  • Well suited for use in ATEX zones
Additional information

Especially designed for use in industrial applications, the R-Pas set is a self-contained breathing apparatus with reduced maintenance needs. It combines performance, reliability and comfort of use.

Particularly lightweight and multifunction, this open-circuit SCBA is an ideal solution in presence of toxic gases or for use in poorly oxygenated environments. As it is compliant with the EN 137-2 standard, the R-Pas set is also recommended for fire interventions. Thus it is widely used by firefighters all around the world.

Delivered complete in its high visibility orange carrying case, the R-Pas is part of the latest generation of self-contained breathing apparatus. It is composed by an SCBA mask, a compressed air cylinder and a harness.

The harness is lightweight and easy to don. It is equipped with a factory pre-set flow regulator and a demand flow regulator. Thanks to its lightweight, antistatic and shock resistant design and rubber protection for the manometer, this harness is especially made for use in the harshest environments. Its harness is made of lightweight flameproof buckles, adjustable straps and rubber backplate highly resistant to chemical products. This way, the R-Pas SCBA is well-suited for fire situations. Moreover air supplying and manometer hoses are directly mounted into the harness backplate for better comfort.

The SCBA mask included in the R-Pas set is made of elastomer for easy adjustment and perfect fit with any shape of face. Thanks to its dual airtight seal and a 180° visor, this respiratory protective mask offers an outstanding comfort of use and a large distortion-free field of view for an excellent peripheral view. Furthermore this mask is provided with a specific bag in order not to be damaged or scratched during transport in the carrying case.

The compressed air cylinder that is also included in the R-Pas set is lightweight and robust. Made of lightened steel, this cylinder is equipped with an EN tap. Thanks to its 6 liters capacity at 300 bars, this compressed air cylinder provides clean air for approximately 40 minutes for safe interventions.

The high visibility orange carrying case has been especially designed to carry the full SCBA R-Pas set, including the connected cylinder and is ready for use.

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CEN-PAQ is very convenient and ideal for short interventions (15, 20 or 30 minutes), highly polluted environment applications or for emergency rescue in confined space or stale environment.

  • High visibility fireproof jacket with VELCRO fastener
  • Warning whistle and pressure gauge
  • Vision3, Promask or Panaseal full face masks
  • Stainless steel or composite compressed air cylinder
  • Compliant with EN137, EN136; EN139 standards
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Self-contained breathing apparatus – CEN-PAQ

CEN-PAQ is very convenient and ideal for short interventions (15, 20 or 30 minutes), highly polluted environment applications or for emergency rescue in confined space or stale environment.

Self-contained breathing apparatus CEN-PAQ
  • High visibility fireproof jacket with VELCRO fastener
  • Warning whistle and pressure gauge
  • Vision3, Promask or Panaseal full face masks
  • Stainless steel or composite compressed air cylinder
  • Compliant with EN137, EN136; EN139 standards
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The PAS X-Plore is an on-demand airline respirator system composed by a fullface mask, a belt-worn air supplying unit and a demand valve. This device has been especially designed to offer a respiratory protective solution to users without cluttering activities and operations.

  • Supplied air respirator system, airline respirator PAS x-plore by Drager
  • Robust, rugged and easy to use
  • Suitable for many applications
  • Cost-effective maintenance
  • Advanced features
  • Optimal comfort of use
  • Additional information
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PAS X-Plore airline respirator system

The PAS X-Plore is an on-demand airline respirator system composed by a fullface mask, a belt-worn air supplying unit and a demand valve. This device has been especially designed to offer a respiratory protective solution to users without cluttering activities and operations.

Supplied air respirator system, airline respirator PAS x-plore by Drager
  • Robust, rugged and easy to use
  • Suitable for many applications
  • Cost-effective maintenance
  • Advanced features
  • Optimal comfort of use
Additional information

The PAS X-Plore airline respirator mask with on demand valve has been especially engineered for use in industrial and demanding environments. In order to operate properly, this supplied air respirator must be composed by a fullface mask, a belt and a demand valve.

Thanks to advanced and user-friendly features such as a patented flow reducer and a self-check function, users benefit from high comfort of use, enhanced safety and reinforced flexibility.

With an inlet pressure from 5 to 10 bar and its patented airflow reducing system, the PAS X-plore airline respirator system covers a very large range of industrial applications. This special function enables users to benefit from a constant air flow even in case of pressure modification in the external air source. Moreover, these supplied air respirator units integrate a secured flow adjustment in order to increase air flow and user comfort.

PAS X-plore system is fully compatible with Nova Panorama full face mask. This suplied air respirator is a reference for safety and comfort of use. With an ergonomic design and available in EPDM version or silicon version, it provides its user with an optimal large field of vision as well as comfortable and safe adjustments.

Also compatible with the PAS X-plore airline respirator system, the Dräger PSS® demand valve has been especially designed for extreme applications: once connected to a respiratory protective mask, this valve can rotate in order to fit in any movement of the user.

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