Product Overview Background

Next–Gen Detection for Critical Environments.

certified

OSHA | NIOSH | ISO

Al Ghwasa delivers certified safety solutions tailored for industrial hygiene, environmental monitoring, and worker protection.

GASTEC GV–100

GASTEC GV–100

Standard 100 ml piston pump with stroke counter.

GASTEC GV–110

GASTEC GV–110

Standard 100 ml piston pump with stroke counter.

GASTEC GV–50

GASTEC GV–50

Standard 100 ml piston pump with stroke counter.

Explore Our GASTEC Product Range

We offer the full range of authentic GASTEC tubes, pumps, and accessories for accurate on-site gas analysis and environmental testing.

GASTEC Detector Tubes

Measure over 500 gases and vapors with unmatched accuracy using GASTEC’s industry-leading detector tubes.

GASTEC No. 4LL

GASTEC No. 4LL

Hydrogen Sulfide Detector Tube

0.2 to 6 ppm
GASTEC No. 81

GASTEC No. 81

Carbon Monoxide Detector Tube

5 to 2000 ppm
GASTEC No. 91PL

GASTEC No. 91PL

Ammonia Detector Tube

0.5 to 80 ppm
GASTEC No. 126

GASTEC No. 126

Benzene Detector Tube

1 to 20 ppm
GASTEC No. 172

GASTEC No. 172

Formaldehyde Detector Tube

0.05 to 1.2 ppm
GASTEC No. 102L

GASTEC No. 102L

Sulfur Dioxide Detector Tube

1 to 50 ppm

GASTEC Sampling Pumps

Precision hand pumps engineered for seamless compatibility with GASTEC tubes. Lightweight, durable, and easy to operate.

351A

351A

Extension hoses are available to be attached to the inlet of the gas sampling pump (Model GV-100 or GV-110) and used for remote downward measurement in confined spaces, such as manholes, tanks, etc.

351A_5_GV 100

351A_5_GV 100

Extension hoses are available to be attached to the inlet of the gas sampling pump (Model GV-100 or GV-110) and used for remote downward measurement in confined spaces, such as manholes, tanks, etc.

351A_10

351A_10

Extension hoses are available to be attached to the inlet of the gas sampling pump (Model GV-100 or GV-110) and used for remote downward measurement in confined spaces, such as manholes, tanks, etc.

351A_30_1

351A_30_1

Extension hoses are available to be attached to the inlet of the gas sampling pump (Model GV-100 or GV-110) and used for remote downward measurement in confined spaces, such as manholes, tanks, etc.

380_1

380_1

The GASTEC Fumigation Probe is connected to the Gas Detector Tube and inserted through the rubber seal of the closed container to measure residual fumigants.

860_1

860_1

GASTEC developed the Pyrotec Pyrolyzer system to enable precise and easy detection of Sulphuryl Fluoride. It converts Sulphuryl Fluoride (using process known as thermal cracking) into an easily measurable gas.

Extension Pole 350BP-2

Extension Pole 350BP-2

Made of lightweight fiberglass and weighing only 590g, the extension sampling pole has a compact body (62.5 cm) for easy portability and can be extended to a maximum length of 2.8m.

GV500_1

GV500_1

Made of lightweight fiberglass and weighing only 590g, the extension sampling pole has a compact body (62.5 cm) for easy portability and can be extended to a maximum length of 2.8m.

GASTEC Specialized Sampling Kits

Tailored for advanced, low-level, and remote gas detection..

GHS 8 AT EX

GHS 8 AT EX

If corrosive hydrogen sulphide is generated in the sewer system, it makes rust in the sewer and generates odours from underground.

GSP 501 FT

GSP 501 FT

Compact, lightweight, and reliable automatic air sampling pump for GASTEC detector tubes and sorbent tubes.

TG-1

TG-1

The primary step towards being able to prevent hazardous gas generation at the workplace, as part of occupational hygiene and pollution control, is to acquire accurate data regarding the emitted gas types and their concentration levels.

CG-1

CG-1

Gastec CG-1 system can simply, quickly, and simultaneously measure 4 kinds of harmful contaminants (CO, CO2, Water vapour, and Oil mist) contained in compressed breathing air (cylinder or compressor).

GV 100LS

GV 100LS

The Gas sampling pump GV-100, pump accessories (3 rubber inlets and lubricant), as well as the instruction sheet are provided in a convenient shoulder bag.

GV 100 S

GV 100 S

GASTEC Detector Tubes indicate concentrations directly by way of a calibrated scale printed on the tubes. At GASTEC, we endeavour to achieve highest quality detector tubes for analysing airborne gases/vapours, as well as pollutants in soil and water through our advanced state-of-the-art research and development.

Accessories & Extension Tools

Enhancing performance and extending your gas detection capabilities.

351A

351A

Extension hoses are available to be attached to the inlet of the gas sampling pump (Model GV-100 or GV-110) and used for remote downward measurement in confined spaces, such as manholes, tanks, etc.

351A_5_GV 100

351A_5_GV 100

Extension hoses are available to be attached to the inlet of the gas sampling pump (Model GV-100 or GV-110) and used for remote downward measurement in confined spaces, such as manholes, tanks, etc.

351A_10

351A_10

Extension hoses are available to be attached to the inlet of the gas sampling pump (Model GV-100 or GV-110) and used for remote downward measurement in confined spaces, such as manholes, tanks, etc.

351A_30_1

351A_30_1

Extension hoses are available to be attached to the inlet of the gas sampling pump (Model GV-100 or GV-110) and used for remote downward measurement in confined spaces, such as manholes, tanks, etc.

380_1

380_1

The GASTEC Fumigation Probe is connected to the Gas Detector Tube and inserted through the rubber seal of the closed container to measure residual fumigants.

860_1

860_1

GASTEC developed the Pyrotec Pyrolyzer system to enable precise and easy detection of Sulphuryl Fluoride. It converts Sulphuryl Fluoride (using process known as thermal cracking) into an easily measurable gas.

Extension Pole 350BP-2

Extension Pole 350BP-2

Made of lightweight fiberglass and weighing only 590g, the extension sampling pole has a compact body (62.5 cm) for easy portability and can be extended to a maximum length of 2.8m.

GV500_1

GV500_1

Made of lightweight fiberglass and weighing only 590g, the extension sampling pole has a compact body (62.5 cm) for easy portability and can be extended to a maximum length of 2.8m.

Instructional Guides & Manuals

Step-by-step resources for safe and accurate gas detection.

Gas Detector 1

Gas Detector 1

Description for Gas Detector 1.

Why Professionals Rely on Al Ghwasa

With decades of experience in industrial safety and environmental monitoring, Al Ghwasa provides certified GASTEC solutions backed by expert support and localized service.

Authorized GASTEC Distributor

Get 100% genuine GASTEC products with complete warranty and technical documentation.

Product & Industry Expertise

Our team understands your industry’s needs — from lab safety to field detection.

Fast Regional Delivery

Stocked and shipped locally for faster turnaround and minimal downtime.

Technical Support & Training

Get expert setup guidance, calibration support, and usage training when you need it.

Ready to Improve Your Gas Detection Accuracy?

From product guidance to pricing — we’re just one message away.

Our team is here to help you select the right tubes, pumps, or kits for your environment. Get expert advice, fast delivery, and reliable support.