Piping Contractors in Doha Qatar

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Best practice for pump piping

So, you have selected a pump and taken into consideration a multitude of elements - including fluid characteristics, flow rate and head, environmental and long-term optimization. But what about Pipes / pipework?

Pump piping design can be overlooked when installing your new pumping system. In most cases, the focus is on the equipment. When installed with an insufficient piping arrangement, pumps can experience premature and repeated failures. In these instances, maintenance personnel repair the pump - only fixing the symptom not the true problem.

Lets outline some key considerations for the PIPE FITTINGS and pipework for your new pumping system:

Keep the suction piping as short as possible

Our team suggest a straight run pipe, approximately 5 - 10 times the pipe diameter between the pump inlet and any obstruction in the suction line. By obstructions, we mean valves and elbows.

Keeping the pump suction piping short will guarantee the inlet pressure drops as low as possible during operation. The straight run pipe will ensure a consistent velocity across the pipe diameter at the pump inlet. Together, these are important in achieving optimal suction.

Pipe diameter on the suction side to be equal or one size larger than the pump inlet

Larger pipes cost significantly more, whilst smaller pipes impose a greater friction loss on the pumping system - therefore it is a question between cost and friction loss. Global Pumps suggest installing a discharge pipe diameter that matches the discharge flange on the pump. The pipe diameter can be larger to reduce friction losses and to decrease system pressure.

A larger suction piping on the suction side is usually recommended if the liquid viscosity is greater than water. Besides this, it helps produce an even flow to the pump and avoid cavitation.

Consider eccentric reducers on the suction side

In some instances, an eccentric reducer is installed on the suction side of the pump when a pipe size transition is required.

Eccentric renders: are fitted between two different pipe diameters. They are commonly used where the diameter of the pipe on the upstream side of the fitting is larger than the downstream side.

Install the flat side of the reduced on the top, when the fluid is coming from below the pump. If the fluid is coming from the top, the flat portion of the reducer should be mounted on the bottom of the pipe. This flat portion is specially designed to discourage an air pocket from forming within the pump suction.

Eliminate elbows on, or close to the inlet nozzle of the pump

It is recommended you include 5 to 10 pipe diameters of straight run pipe between the pump inlet and elbow. This helps to eliminate the ‘sliding load’ of the pump impeller and creates uniform pump axial bearing loading.

Remove potential for air entrapment in the suction piping

It is crucial that there are adequate levels in supply tanks to eliminate vortices from forming and air entrapment. Avoid any high pockets in the suction piping - which trap air. Also, be sure to keep all pipe and fitting connections tight in suction vacuum conditions to prevent air getting into the pump.

Ensure piping arrangement does not cause a strain on the pump casing

The pumps should never support the suction or discharge piping. Any stress placed on the pump casing by the piping system can greatly reduce the pump’s life and performance.

If you can’t avoid this, you can increase the performance of the pump to make up for any piping mistakes made on the discharge side the pump. However, any errors made on the suction site can cause significant pump failures. For Source Info, Click Here!

A/C PIPES & FITTINGS

ABS MATERIALS

ABS PIPES & FITTINGS

ACR GRADE COPPER PIPES

ACR GRADE COPPER PIPES & FITTINGS

API LINE PIPES

CL3000 PIPE FITTINGS

CPVC / HDPE HIGH PRESSURE PIPE FITTINGS

CPVC / PVC PIPES & FITTINGS

CPVC COMPRESSION FITTINGS

CPVC INCH & METRIC PIPES & FITTINGS

CPVC PIPES

CPVC PIPES & FITTINGS

CPVC PLUMBING PIPES

CPVC PRESSURE FITTINGS

CS / SS / PTFE / PFA LINED PIPES & FITTINGS

CS / SS PIPES

CU-NI PIPES / FITTINGS / FLANGES

DI PIPES & FITTINGS

ERW BLACK & GALVANISED PIPES

GI THREADED CHILLED WATER FITTINGS

HDPE ( HIGH DENSITY POLYETHYLENE )

HDPE / CPVC PIPES & FITTINGS

HDPE DUCTS

HDPE FIRE FIGHTING

HDPE FIRE FIGHTING FITTINGS

HDPE FITTINGS

HDPE HIGH PRESSURE FITTINGS

HDPE PIPE INSTALLATION

HDPE PIPE WELDING

HDPE PIPES

HDPE PIPES & FITTINGS

HDPE PIPES FOR CHEMICAL DRAINAGE

HDPE PRESSURE PIPES

HDPE PRESSURE SYSTEMS

HDPE SILICORE TELECOM PIPE & PIPE FITTING SUPPLIERS

HDPE SOIL & WASTE

HDPE VALVES

HP FITTINGS

HP HIGH PRESSURE PIPES & FITTINGS

LDPE PIPES

MDPE ( POLYETHYLENE ) GAS PIPES

MI FITTINGS FOR CHILLED WATER & FIRE FIGHTING

MI THREADED

MI/GI FITTINGS

MS & GALVANIZED PIPES

MS BLACK STEEL PIPE / GI GALVANIZED PIPES

MS WELDED CHILLED WATER FITTINGS

OCTG CASINGS & TUBINGS

OCTG DRILL PIPES

PE / PP / PVDF PLASTIC PIPES

PE 100 FITTINGS

PP COMPRESSION FITTINGS

PP-R PIPES & FITTINGS

PPR PIPES AND FITTINGS

PPRC PIPES & FITTINGS

PVC HIGH PRESSURE INCH & METRIC FITTINGS

PVC INSPECTION CHAMBERS

PVC PIPES

PVC PIPES & ACCESSORIES

PVC PIPES & FITTINGS

PVC PIPES AND FITTINGS

PVC PRESSURE FITTINGS

PVC–U SOIL VENT & WASTE SYSTEMS

PVDF PIPES & FITTINGS

SS / HIGHER GRADES SEAMLESS & WELDED PIPES

UL / FM / QCD APPROVED GI & MI FITTINGS

UL / FM / QCD APPROVED GI PIPES & MS PIPES

UL / FM / QCD APPROVED GROOVED FITTINGS

UL / FM / QCD APPROVED WELDED FITTINGS

UPVC

UPVC SWR PIPES & FITTINGS

UPVC / PVC PIPES & FITTINGS

UPVC ELECTRICAL DUCTS

UPVC PIPES & FITTINGS

UPVC PLUMBING PIPES

UPVC PRESSURE FITTINGS

Abs / Pvdf / Cpvc / Pe / Pipes & Fittings

Abs Piping Systems

Acr Copper Pipes & Fittings

ACTUATED VALVES

Adaptors

Alloy Pipes & Fittings

ALLOY PIPES & TUBES

ALLOY STEEL PIPES

Aluminium / Brass Alloys

AUTOMATIC WRAPPING MACHINES

Black / Galvanised Erw Pipes

BRASS & BRONZE FITTINGS

BUTT WELDED FITTINGS / FLANGES

Buttweld Pipes & Fittings

C S / S S Pipes & Fittings

C S BUTTWELDED S C H.40 FITTINGS

CAPS

CARBON STEEL PIPE FITTINGS

CARBON STEEL PIPES

Carbon Steel Pipes & Fittings

CASING PIPES

CAST IRON

Cast Iron Pipes & Fittings

CAST IRON WASTEWATER PIPIPNG SYSTEMS

CATCH BASINS

CHECK VALVES

CHEMICAL WASTE SYSTEM PIPES & FITTINGS

Constant / Variable Effort Supports

Copper

Copper / Brass Plumbing Fittings

Copper Compression Fittings

Copper Fittings

COPPER NICKEL PIPES & FITTINGS

Copper Pipe Fittings

Copper Pipes

Copper Pipes & Fittings

COPPER PIPES AND FITTINGS

COPPER TUBE FITTINGS

COPPER TUBES

Copper Tubes & Fittings

Cpvc / Pvc Pipes & Fittings

Cpvc Pipes

Cpvc Pipes & Fittings

CROSS

Cs & Ss Bw Fittings

Cs / Ss Pipes & Fittings

Cs Seamless Pipes

Cup / Disc / Foam Pigs

DISMANTLING MECHANICAL JOINTS

DRAINAGE

DRAINAGE CHANNELS

DRAINAGE PIPE SYSTEMS

DRAINAGE PIPES

Drainage Pipes & Fittings

DUCT PIPES

Ductile / Iron / Stainless Steel Gates

Ductile Iron Fittings

DUCTILE IRON MECHANICAL ADAPTORS & COUPLINGS

Ductile Iron Pipe Fittings

Ductile Iron Pipes

Ductile Iron Pipes & Fittings

ELECTRIC RESISTANCE WELDED PIPES

ELECTRICAL DUCTS

Electrical Gi Conduit Fittings & Tools

Electrical Pipes & Fittings

Electrical Pvc Conduit Fittings & Tools

ELECTRO FUSION FITTINGS

END CAPS

Epoxy ( Gre ) Pipes Up To 1600 Mm Diameter

Erw / Black / Galvanized Steel Pipes

Erw / Seamless Carbon Steel Pipes

Erw / Seamless Stainless Steel Pipes & Pipe Fittings

FIBER REINFORCED PLASTIC ( FRP & GRP ) PIPES & FITTINGS FOR PROJECTS IN PETROCHEMICAL

Filters

Fin Tubes

Fire Retardant Chemical Waste Pipes & Fittings

Fire Retardant Gre Pipes

Flexible Couplings / Adapters

FLEXIBLE RUBBER CONNECTORS

Floating Pipes For Dredging / Supporting Jetties

FLOOR DRAINS

FORGED FITTINGS

FORGED PIPE FITTINGS

Forged Steel Fittings

Forged Steel Flanges

FURNACE TUBES

G I & M I CLASS - 150 B S P T & N P T THREADED FITTINGS

Galvanised & M S E R W

Galvanised / Malleable Iron Pipe Fittings

Galvanised Pipe Fittings

GALVANISED PRODUCTS

GALVANIZED IRON

GALVANIZED MALLEABLE IRON FITTINGS

GARDEN PIPE FITTINGS

GASKETS

Gaskets For Tyton Fittings / Flanges / Couplings

Gi / Ms / Ss / Cs Pipes & Fittings

GI COIL

GI FITTINGS & CONNECTORS

GI PIPES

Gre Pipes For Marine Application

GREASE TRAPS

GROOVED & THREADED FIRE FIGHTING FITTINGS

GROOVED & THREADED FITTINGS

Grooved / Threaded Fittings

Grooved / Threaded Pipe Fittings

Grooved Fittings

GROOVED FITTINGS & COUPLINGS

GROOVED FLANGES

GROOVED MECHANICAL FITTINGS

Grooved Pipe Fittings

GROOVED PIPES & FITTINGS

Hdpe / Cpvc Pipes & Fittings

Hdpe / Mdpe / Ldpe Pipes

Hdpe Corrugated Pipes & Fittings

Hdpe Fittings

Hdpe Pipes & Fittings

HEADER PIPES

HEAT EXCHANGER TUBES

Heat Shrink Tubes

Heating / Refrigeration Pipe Supports

HIGH CARBON STEEL

HIGH PERFORMANCE THERMOPLASTIC PIPEWORK SYSTEMS

High Pressure / Cpvc / Hdpe Fittings

HIGH PRESSURE FITTINGS

HIGH PRESSURE FITTINGS FOR IRRIGATION

HIGH PRESSURE PIPE FITTINGS

Piping Contractors in Doha, Qatar:

DIME INTERNATIONAL MECHANICAL ENGINEERING
Location: BLDG 345, ST 12, ZONE 81, NEW INDL AREA ,
Phone: 44326554
Timings:8.00AM-6.00PM
Key Personnel:SHIRAZ, OPS MNGR
FUHAD, SALES ENGR
PETROCON ECC WLL
Location: ST 8, NEW INDL AREA,
Phone: 44979218
Timings:
Key Personnel:SHYJU VARGHESE, H O D - SALES
CHINAR GROUP CONTRACTING & TRADING WLL
Location: OFFICE 78, BLDG 2, ST 781, ZONE 56, CENTRAL GULF ( VEG ) MARKET,
Phone: 44422136;55595894 - MOBILE
Timings:8.00AM-5.00PM
Key Personnel:FAISAL KHAN, .
GULF LIGHTS ELECTRICAL ENGINEERING WLL
Location: OFFICE 28, WEST CORNER CENTRE, MIDMAC R / A, SALWA RD,
Phone: 44971333
Timings:7.30-1.00/4.00-7.30
Key Personnel:Sanaullah A R , MNG DIR
Amanullah Abdullah , OPS MNGR
KHALID HURZUK, FIN / OPS DIR
MOHD SALIM, B D M
SHRAVAN, PROJS MNGR
GAURAV, OFFICE MNGR
AL DANA TECHNICAL SERVICES & ENGINEERING WLL
Location: 2ND FLR, QATAR CHARITY BLDG, UMM AL DOME ST 790, ZONE 53, NR POST OFFICE, MAITHER,
Phone: 44933934
Timings:8.00AM-5.00PM
Key Personnel:SUNIL PHILIPOSE, PROJS MNGR
BLUE POWER HOUSE ELECTRICAL
Location: OFFICE 412, 4TH FLR, BIN DHIRAM PLAZA, B RING RD,
Phone: 44360577
Timings:9.00AM-5.00PM
Key Personnel:SUPREETH DSOUZA, PROJS MNGR
SURAJ DSOUZA, M E P MNGR
COMILLA CONSTRUCTION & SERVICES CO WLL
Location: WUKAIR,
Phone: 33227260 - MOBILE
Timings:8.00AM-6.00PM
Key Personnel:ARFIN AHMAD, B D M
EASTERN SYNERGY CONTRACTING WLL
Location: AL ASIRI, D RING ROAD,
Phone: 40412233;40412244
Timings:8.00AM-6.00PM : SUN - THUR
Key Personnel:ENG MOHAMED SHAABAN , GENERAL MANAGER
ENG WESSAM ZAMMO, TECHNICAL MANAGER
EPCAR TRADING & CONTRACTING ENGINEERING CO WLL
Location: BEHIND GRAND HYPER MARKET, AL KHOR INDL AREA,
Phone: 44721367;44723974
Timings:8.00AM-5.00PM
Key Personnel:VIKAS JAYARAJ, PROJS MNGR
IMPROVE TRADING & CONTRACTING WLL
Location: OFFICE 23, 2ND FLR, BLDG 488, ST 340, ZONE 55, SALWA RD,
Phone: 33647744;33287254
Timings:8.00AM-5.00PM
Key Personnel:AZAD HOSSAIN, G M

PIPES & ACCESSORIES

Find below a list of the top products suppliers of Pipes & Accessories in Doha, Qatar:

AAGS
-
ADVANCED PLASTIC FACTORY
- Plastic Pipes, Upvc Pipes, Hdpe Pipes, Ppr Pipes, Plastic Fittings, Hdpe Fittings, Upvc Pipe Fittings, Hdpe Pipe Welding, Hdpe Pipe Installation, Butt Welding, Electro Fusion Fittings, Puddle Flanges, Fire Fighting Application Pipes, Custom Made Fabrication Fittings
AEST
-
AFT
- Ductile Iron Pipe Fittings, Couplings, Adaptors
AGBIZZ
- 32mm-160mm Hdpe Drainage Pipes & Fittings

AGRU
- Stub Flange Adaptor With Rings, HDPE High Pressure Fittings
AL BILAD CONCRETE PIPE CO LTD
- Reinforced Concrete / Reinforced Concrete Jacking Pipes
AL JAWZA TRADING WLL
- P P R Pipes & Fittings
AL JAZEERA
- Copper / Brass Plumbing Fittings
ALIAXIS
- Vulcathene Pipes

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Chantelle D'Mello

Chantelle D'mello is an avid writer with over four years of hard news experience as part of the award-winning Doha News team. She's previously worked at Al Jazeera and the Huffington Post, and hopes to bring her passion for writing to the Qatar Oil and Gas Directory.

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