National Industrial Gas Plants

NIGP is the leading Industrial, Medical and high purity Gases and specialty Gas mixtures Manufacturing company in Qatar established National Industrial Gas Plants (NIGP) in 1952. We are following the international standards of ISO- 9001:2015, ISO-14001:2015 and ISO-45001: 2018.

Cryogenic Liquids: We have facilities for manufacturing Cryogenic Liquids such as Nitrogen, Oxygen, Argon, Co2, N2O etc. We make our deliveries in ISO tank containers, semi trailers, skid mounted tanks of various capacities with vaporizers of different flow rates.

Industrial and Medical Gases: We are manufacturing the Gases of Oxygen, Acetylene, Nitrogen, Hydrogen,

Argon, Carbon dioxide, Nitrous Oxide, Medical Oxygen and Breathing Air

Gases:
• Oxygen (Medical and Industrial) purity 99.7%
• Nitrogen, Industrial (4.5 – 4.8 Grade), purity 99.995% – 99.998%
• Argon, Industrial (4.5 – 4.8 Grade), purity 99.995% – 99.998%
• Acetylene, Industrial, purity 99%
• Hydrogen, Industrial (4.5 – 4.8 Grade), purity 99.995% – 99.998%
• Nitrous Oxide, Medical, purity 98% – 99%
• CO2, Industrial, purity 99.9%
• CO2, Medical, purity 99.9%

High Purity Gases & Calibration Gas Mixtures: QSGL (Quality Specialty Gases) is our facilities for making High
Purity Gases and Calibration Gas Mixtures. Our lab is following ISO-6141:2000 for Certificates for the
Calibration Gas and Liquid Mixtures, ISO-6142:2001 for the preparation of Calibration Gas mixtures by
gravimetric method and ISO-6143:2001 for comparison methods for determining and checking the
composition of calibration Gas mixtures for their Certification, Measurement and preparation. Our owned lab
named (QSGL) is accredited to ISO-17025 accreditation.

High Purity Products:
• Air, 5.0 grade, 99.999% purity
• Air, 5.5 grade, 99.9995% purity
• Argon, 5.0 grade, 99.999% purity
• Argon, 5.5 grade, 99.9995% purity
• Argon, 6.0 grade, 99.9999% purity
• Acetylene 2.6, purity 99.6%
• Helium, 5.0 grade, 99.999% purity
• Helium, 5.5 grade, 99.9995% purity
• Helium, 6.0 grade, 99.9999% purity
• Hydrogen, 5.0 grade, 99.999% purity
• Hydrogen, 5.5 grade, 99.9995% purity
• Hydrogen, 6.0 grade, 99.9999% purity

• Nitrogen, 5.0 grade, 99.999% purity
• Nitrogen, 5.5 grade, 99.9995% purity
• Nitrogen, 6.0 grade, 99.9999% purity
• Oxygen, 5.0 grade, 99.999% purity
• Oxygen, 5.5 grade, 99.9995% purity
• Gas & Liquid mixtures up to 35 – 40 components together.

Dry Ice: We are producing Dry Ice pellet in 3mm and 16mm sizes and also Blocks in different sizes.
Hydrostatic Pressure Testing of Cylinders: We have very high quality facilities for Hydrostatic Pressure testing
of cylinders according to BS EN 1968:2002 and BS EN ISO 11623:2002.
Refrigerant Gases: We are also the major whole sale dealer for all Refrigerant Gases, such as R22, R134A,
R403B, R404A, R407C, R408A, R410A, R467A, R600A etc.
Welding & Cutting Equipment and Welding Consumables : NIGP is one of the major whole sale traders for
welding items and PPE items in Qatar. We always keep a large stock of Regulators, Welding and Cutting
machines, Welding Electrodes and Rods, Welding, Cutting & Tig Torches, Welding Helmets, Welding Goggles,
Welding Gloves, Welding Jacket, Leg Guard, Hand Sleeves and Fire Blanket.
PPE items: We always keep a large stock of Poly/Cotton, 100% Cotton and Nomex Coveralls, Safety Helmets,
Welding Goggles, Safety Spectacles, Safety Harnesses, Safety Shoes, Ear Plugs, Ear Muffs, Face Masks, Working
and Chemical Gloves etc from UK, USA, Germany, Japan, Pakistan, China, Taiwan and India.
Garnet : We are the major supplier of Abrasive Garnet in different sizes 20-40, 30-60 & 60-80 in the standard
packing of 25 kgs, 1 & 2 Metric ton Bags. We are the exclusive local distribution for GMA & GMI Garnet. We
maintain huge stock to meet the immediate requirements of customers.
Fabrication of Gas Equipment: We have a workshop for fabricating the cylinder racks, manifold quads and
trolleys for different types of cylinders. We fabricate and supply 2,4,6,8,12,15,16,24,48 and 64 Gas cylinders
quads with and without manifolds for offshore & onshore use.