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OILFIELD EQUIPMENT SUPPLIERS in Doha Qatar


10 Common Types of Valves Every Oil and Gas Engineer Should Know About


Valves are essential parts of any piping system used to control the flow and pressure of contents, whether that is oil, gas, liquid, or vapors. Here is our list of 10 of the most commonly used oil and gas valves in the industry and the reasons for their existence.

ARV or ARC valves

Acronyms for ‘Automatic Recirculation Valve’ and ‘Automatic Recirculation Control’, these valves are multi-functional but has the primary purpose of ensuring that a pre-determined minimum flow is assured through centrifugal pump at all times.

As centrifugal pumps consistently suffer from being over heated, its important to keep the minimum flow otherwise dry valves means permanent damage.

Ball valves

A ball valve is a quarter-turn rotational motion valve that used a ball-shaped disk to control a flow. If the valve is opened, the holes in the ball stay in line with the body inlet allowing contents to pass.

The balls are generally made out of several metallics whilst the seats are made from soft materials like Teflon. The combination of materials means the ball valve can operate at temperatures as low as -200 deg C and as high as 500 deg C.

Mainly used for air, gases and liquids, ball valves are quick to turn on and off and have a tight sealing with low torque. The only downside to these valves are the lack of throttling properties available.


  • OILFIELD EQUIPMENT SUPPLIERS SUPREME SUPPLY & SERVICES SUPPLIERS IN DOHA QATAR
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  • OILFIELD EQUIPMENT SUPPLIERS AXIOM INTERNATIONAL WLL SUPPLIERS IN DOHA QATAR

Bellow sealed valves

There are two main types of bellow, the forged and the welded versions. Forged bellows are usually made from a thin wall of foil in a tube which is then longitudinally fusion welded.

The welded versions are made by welding washer-like plates of thin metal together at both the inner and outer circumference of the washers.

Traditionally made from stainless steel, they are most commonly used in conjunction with gate or globe designs due to their internal construction and axial movement of the valve stem.

Breather valves

Also known as vacuum relief valves, breather valves are a special type of relief valve designed for tank protection. The valves prevent the build up of excessive pressure or vacuum which can unbalance the system or damage the storage vessel.

Pressure and vacuum protection levels are usually controlled with weighted pallets and can be combined to meet the required settings. This valve must be used in accordance with the American Petroleum Institute’s API standard 2000 for venting atmospheric and low pressure storage tanks.

Butterfly valves

A quarter-turn rotational motion valve, the butterfly valves is used to stop, start and regulate flow. Easy and fast to open, the valve usually comes equipt with a gearbox where the hand wheel by gear is connected to they stem.

This simplifies the operation of the valve, but at the expense of speed. These valves must also be installed a minimum of 6 pipe diameters away from other line elements.

As well as being lightweight, and quick to use, the butterfly valves are available in large sizes and can cope with low-pressure drop and high-pressure recovery.


  • OILFIELD EQUIPMENT SUPPLIERS DOHA PROJECT TRADING & SERVICES WLL SUPPLIERS IN DOHA QATAR
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  • CALIBRATION SERVICES AAM TRADING & CALIBRATION SERVICES SUPPLIERS IN DOHA QATAR

Gate valves

Gate valves are primarily designed to start or stop a flow when a straight line flow of fluid and minimum flow restriction are needed. In service, these valves are pretty much kept either fully open, or fully closed.

When turned open, the disc of the gate is completely removed allowing contents to pass. Although this gives the valve good shut-off properties and is bidirectional, they cannot be quickly opened or closed and are sensitive to vibration when open.

Globe valves

Typically used for cooling water systems, transporting fuel oil and turbine lube oil systems, a globe valve is a linear motion valve used to stop, start and regulate flow.

Conventionally used for isolation and throttling services, the globe has become the world’s most common types of valves. With a good shut off ability, available in tee, wye and angle patterns and easy to machine the valve seats – its easy to see why they are so popular.

The slight disadvantages of the globe are that they perform unfavourably when high pressure drops, and require greater force or throttling flow under the seat to shut off valve.

ORBIT valves

Every ORBIT valve incorporates a tilt and turn operation that eliminates seal rubbing, which is a primary cause of valve failure. When an ORBIT valve is closed, the core is mechanically wedged tightly against the seat assuring a positive shut off.

When an ORBIT valve begins to open, the core tilts away from the seat and line flow passes around the core face. This eliminates localized high velocity flow that typically creates uneven seat wear and a reduced valve life.

Capable of working at -104 deg C to 427 deg C, the valve is used for hot oil systems and mole sieve dryers.

Plug valves

A plug valve uses a tapered or cylindrical plug to stop or start a flow. In open position, the plug-passage is in one line with the inlet and outlet ports. If the plugis rotated from the open position, the solid part of the plug blocks the port and stops the flow.

These are quick to turn off, smaller in size compared to most valves and has minimal resistance flow. However, they do have a reduced port due to tapered plugs and a requires a large force to actuate, due to high friction.

Pressure seal valves

Adopted for valves for high pressure service, pressure seal valves are typically used in excess of 170 bar. The unique feature about the pressure seal ‘bonnet’ is that the body’s joints seals improve as the internal pressure increases.

It should also be noted that these valves also come as a bolted bonnet too seal the valve and the pressure seal gasket.

Many more valves

Obviously there are many more types of valves that are used within the industry, but is important for any oil and gas engineer to know the basic valves, the principals, and what they should be used for. For source info. click here!

Below is our verified list of OILFIELD EQUIPMENT SUPPLIERS in Doha, Qatar!

API BOTTOM LOADING COUPLERS

API COUPLERS

API SPEC 10A

BOP (BLOWOUT PREVENTER) ACCUMULATOR UNITS

ESD VALVES

FRAC EQUIPMENT

GI

GRP

HMI SCADA

MCR

PIG SIGNALLERS

PVC

RO PLATES

RTDS

TRS

UPG SERIES

000 PSI INCLUDING STAND-MOUNTED CHART RECORDERS & HIGH PRESSURE HOSE ASSEMBLIES

000 TO 30

ACIDIZING

Activated Carbons

Active Carbon Supply & Services

ADJUSTABLE BAIL EXTENSIONS

Aeration Equipment For Treatment Plants

Agent / Stockist / Import And Supplier In Oil Field Materials / Valves /pipes & Fitting / Instruments / Drilling Equipment / Workshop Equipment & Consumables / Welding Equipment & Consumables / Safety & Protection Items

Agitators

Air Compressors & Ancillaries

Air Cooled Heat Exchangers

Air Driven Diaphragm / Piston Pumps For Handling Chemicals

AIR ELIMINATORS

AIR FLOW BURNERS

AIR FLOW SENSORS

Aluminium / Brass Alloys

Aluminium / Mild Steel / Ss / Welding Filler Materials

ALUMINIUM MANIFOLDS

Anchor / Swivel Flanges

ANCILLARY EQUIPMENT

ANTI - JAR HANDLING CLAMP

Api 6a

Api 6d Products (ball / Gate / Check / Globe Valves)

Auto Samplers

Automotive Oil Changers

AXIAL PYRO TORCH

Balancing Machines

BALL - TRUNNION MOUNTED / DBB

Ball / Gate / Globe / Check / Butterfly Valves

BALL VALVES

Bandlock 2

BAR STOCK

BASKET STRAINERS

BELLOW CYLINDER

Belt Dressing / Electra Clean Sprays

Belts

BI-COLOUR STEAM LEVEL GAUGES

BLENDERS

Blowers

BOILER DRUMS

BOLT PROTECTION CAPS

Bolt Tensioning Equipment

Bolt Tensioning Equipment & Services

Bolted Clamp Repairs

Bop Handling Systems

BOTTOM LOADING ARMS

BOW SPRING CENTRALIZER

Brackets

BRIDGE PLUGS

Bronze Round Bars

BUCKET STRAINERS

BUCKING MACHINES

BUILT UP THERMO WELLS

Burner Management Systems

BURNER SPARES

BURNERS

Bursting Discs

Butt Welded Fittings

BUTTERFLY VALVES

Buttweld Fittings

BYPASS CHAMBERS

Cable Trays / Cable Ladders / Cable Trunkings / Conduits / Cable Baskets & Grp Trays

Cables

CALIBRATION

Calibration Equipment

CARBON STEEL

CASING

CASING ACCESSORIES

CASING CEMENT BREAKER

CASING CUTTING

CASING RECOVERY

CASING RUNNING SOLUTIONS

CASING RUNNING TOOLS

Casings & Tubings

CAT-CUSHIONING ADJUSTMENT TOOL

CEMENT RETAINERS & COMPLETION ACCESSORIES

CEMENTING

CEMENTING & WORK OVER EQUIPMENT

CEMENTING EQUIPMENT

CEMENTING HEAD

CEMENTING PLUGS

CEMENTING PRODUCTS

CENTRALIZERS

Centrifugal Liquid Filtration Systems

Certification / Classification / Inspection Services

Chain Slings

CHECK

CHECK VALVES

CHECK-CHOKE VALVE

CHEMICAL ADDITIVE SYSTEMS

CHEMICAL GLOVES

Chemical Injection Skids

Chemical Injection Systems

Chemical Seals

Chilled Water / Plumbing Pumps

CHOKE & KILL LINES

CHOKE & KILL MANIFOLDS & WELL CLEAN OPERATIONS

CHOKE/KILL/STANDPIPE/DISCHARGE MANIFOLDS

CHRISTMAS TREES & ANY OTHER TYPE OF EQUIPMENT REQUIRING HIGH PRESSURE STATIC TESTING

Circlips

CLAMP ON CENTRALIZERS

CLASS - G (HSR) & CLASS - A (O) IN ACCORDANCE WITH - API SPEC 10A

CLASS - G (HSR) & CLASS - A (O) IN ACCORDANCE WITH - API SPEC 10A

OIL WELL CEMENT

CLASS G CEMENT

CLASS A (O)

CLASS G (HSR)

CLASS G CEMENT

Coal Chemical Industry

COIL TUBING UNITS

COILED TUBING

Cold Joining Of Pipes / Flanges Without Welding

Column / Tower Internals

Columns

COLUMNS & REACTORS

COMMERCIAL AND INDUSTRIAL / PROCESS APPLICATIONS FROM 10KW TO 30MW

COMMERCIAL FLIGHT SAFE

COMPACT BURNERS

Complete Heat Tracing Solution

COMPLETION TOOLS - OPEN HOLE PACKERS

Completions

COMPONENTS FOR OIL HYDRAULIC AUTOMATION

COMPREHENSIVE RANGE OF GAS

COMPRESSED AIR TUBING

Compression Fittings

COMPRESSIVE STRENGTH DATA (PSI)

COMPRESSOR & ANTISURGE CONTROL SYSTEMS

COMPRESSOR CONTROL SYSTEMS

COMPRESSOR SKIDS

Compressors

CONDENSATE PUMPS

Condensers

CONICAL STRAINERS

Connectors & Accessories

CONSOLE

CONSULTING SERVICES

Continuous Amine Reclamation Systems

CONTINUOUS EMISSION MONITORING SYSTEMS (CEMS)

CONTROL LINE CLAMPS

CONTROL SYSTEMS

Convection / Radiant Coils & Sections

CONVERTERS

COOLERS

CORIOLIS MASS FLOW METERS

CORROSION COUPONS

COUPLINGS

Cpvc Pipes

CRIMP ON CENTRALIZERS

CROSSOVERS

Cryogenic Valves

Cs / Ss / Alloy Steel Pipes & Fittings

Cs / Ss Butt Weld Fittings

Cs / Ss Pipes & Fittings

CUSTOM LOADING ARMS

CUT RESISTANT GLOVES

DATA HEADERS

DATA VANS

DEHUMIDIFIERS

DEMISTERS

DENSYL TAPES

Deodorizer Units

Design / Manufacture / Supply Of Heat Exchangers For Oil & Gas Industries

DIAPHRAGM SEALS

Direct Fired Heaters

DISTRIBUTION MANIFOLDS

DOMESTIC & COMMERCIAL FLUE SYSTEMS

Door Closures

DOSING TANK SKIDS

DOUBLE BLOCK AND BLEED VALVES

Double Compration Gland

Down Hole Calipers

Down Hole Electronic Gauges

DOWN HOLE TOOLS

DOWN HOLE TOOLS & HANDLING EQUIPMENT

Down The Hole Drilling Tools

DOWNHOLE GAUGES

Drainage / Sewage / Dewatering Pumps

Drier Packages

DRILL BITS

DRILL COLLARS

DRILL PIPE

Drill Pipe Dope

DRILL PIPE SWIVEL

Drill Stem Subs

Drill Through Equipment

DRILLABLE TURBINE

DRILLING

DRILLING OPERATIONS

DRILLING RENTAL EQUIPMENT

Dry Ice Blasting Machines

Dual Media Filters For Oily / Effluent / Ground Water Treatment

Duct Burners

Duct Tapes

DUOBLOCK BURNERS

DUST MONITORING SYSTEMS

E & I CABLES

ELECTRICAL CONNECTORS

Electrical Heaters

ELECTROMAGNETIC FLOW METERS

ELECTRONIC RACK EQUIPMENT

Engine Exhausts

Engineering Expansion Joints

Equipment For The Oil & Gas Industry Using Api 6a / Api 6d For Main Application In Petrochemical

Etc

E-TRACTOR

Expansion Joints

Expansion Tanks

EXPLOSION PROOF MOBILES

EXPLOSION PROOF TORCHES / FLASH LIGHTS

Extruded Headers

Fans

Fasteners

FASTENERS & GASKETS

FIELDBUS CONNECTIONS

FILTERS

Filters For Heat Exchangers

Filtration For Oil & Gas Industry / Water Technologies

FILTRATION SYSTEMS

Fin Fan Air Coolers

Fin Tubes

Fired Process / Heat Oil / Thermal Oxidizer Water Bath Heaters

FISHING & RE - ENTRY

Fishing Tools

FITTINGS

FITTINGS & FLANGES

FITTINGS WITH TUBE NUTS

Flame Arrestor

Flame Arrestors

FLAME RODS

FLAMMABLE CABINETS

FLANGE ADAPTORS & COUPLINGS

Flanged Electric Heaters

Flanges

Flanges & Cs & Ss Fittings

Flanges And Fittings

Flares



Find below a list of the top Oilfield Equipment Suppliers in Doha, Qatar:

  • AXIOM INTERNATIONAL WLL
    Location: OFFICE 25, 1ST FLR, BLDG 200, ST 995, AL MAMOURA PLAZA, ABU HAMOUR ( H O ); SHOP 5, BLDG 8, BARWA VILLAGE, AL WAKRAH ( SHOWROOM ),Phone: 44506186 - H O;44509325 - SHOWROOMTimings:8.00AM-6.00PMKey Personnel:MANIKANTAN A P/M DKRISHNACHANDRAN V/SALES MNGR
  • DOHA PROJECT TRADING & SERVICES WLL
    Location: OFFICE C -104, BLDG 55, SAYER - 5, BARWA COMM AVENUE, INDL AREA,Phone: 40052777Timings:7.30AM-5.00PM Key Personnel:S S MOORTHY/BUSI DEV MNGRNABIN PAUDEL/SR SALES EXEC
  • SUPREME SUPPLY & SERVICES
    Location: SOUQ AL BUZWAIR, OPP B M W, SALWA IND AREA,Phone: 44688278Timings:8.00AM-5.00PMKey Personnel:Praveen Kumar /G M
  • VENTURE GLOBAL WLL
    Location: OFFICE C - 203, 2ND FLR, BLOCK 52, SAYER, BARWA COMM AVENUE, NR INDL AREA,Phone: 40054244;40054245;40054260;40054261Timings:8.00AM-6.00PM : SUN - THUR;8.00AM-4.00PM : SATKey Personnel:MS REJI RAJESH/ASST MNGRSHEKHAR DESPANDE/SALES MNGRLESLIE SUNGA/SALES SUPPORT EXEC
  • SUPREME SUPPLY & SERVICES
    Location: SOUQ AL BUZWAIR, OPP B M W, SALWA IND AREA,
    Phone: 44688278
    Timings:8.00AM-5.00PM
    Key Personnel:Praveen Kumar , G M
  • BRIGHT WAY INTERNATIONAL WLL
    Location: SHOPS 26 / 27 / 28, BLDG 18, BARWA VILLAGE, AL WAKRAH; SHOP 1, BLDG 5 ( BRANCH ),
    Phone: 44324800;44151692;44325800 - BRANCH
    Timings:7.30-12.30/3.00-7.30
    Key Personnel:MUHAMMED RAFI MULLUNGAL, M D
  • QATAR TRADING COMPANY
    Location: IBN DHIRAM ST, 25 - B RING RD,
    Phone: 44252650 - MAIN SHOWROOM;44538510 - INDL AREA BR;40193202 - SVC CENTRE
    Timings:7.30AM-7.00PM : SAT - THUR
    Key Personnel:NISCHAL GOPALAN, KEY ACCTS MNGR
  • NUTEC ENTERPRISES WLL
    Location: BARWA VILLAGE, AL WAKRAH,
    Phone: 44373771;44373772 - SHOP 50, BLDG 4;44182348 - SHOP 47, BLDG 6
    Timings:7.30-1.00/2.30-6.30
    Key Personnel:Naseer Ummer V , Sales Mngr
    K M Naseef , Sales Engr
  • SOLARLINE TRADING WLL
    Location: OFFICE 3, ABDULLAH BIN THANI BLDG - 5, NR V I P R / A,
    Phone: 44622070;77575354 - MOBILE
    Timings:8.00AM-6.00PM
    Key Personnel:THAJUMON, Mngr
  • BANGKOK CENTER WLL
    Location: SHOP 11, BLDG 7, BARWA VILLAGE, AL WAKRAH,
    Phone: 44987400;50968849 - MOBILE
    Timings:8.00AM-8.00PM : SAT - THUR
    Key Personnel:ABDUL NASSIR, MNG DIR
  • BETTER SAFETY TRADING CONTRACTING & DECORATION WLL
    Location: SHOP 80, BLOCK 25, SAYER, BARWA COMM AVENUE, INDL AREA,
    Phone: 44722499
    Timings:8.00AM-6.00PM
    Key Personnel:SOORAJ MENON, G M
    MUHAMMED RAHIL, DIR - IMPORT / EXPORT
    MUHAMMAD DILIP , CORP SALES HEAD
  • ORIENTAL TRADING CO LTD
    Location: 1ST FLR, E - BLOCK, AL WAAB CITY, SALWA RD,
    Phone: 44466333
    Timings:7.30AM-5.00PM : SUN - THUR
    Key Personnel:V S Narayanan , Mng Dir
    V M Mathew , Fin Mngr
    MURUGAVEL , G M - SALES
    KRISHNAKUMAR, G M - SERVICE
    Sunil B K , Mktg Mngr
    Rajeev Menon , Comm Mngr
    RAJAGOPAL, DIV MNGR - PLANT HIRE
  • WELL FIELD INDUSTRIAL SUPPLIERS & SVCS WLL
    Location: FRIJ ABDUL AZIZ, B RING RD,
    Phone: 44429609
    Timings:8.00AM-6.00PM
    Key Personnel:P Nasarudheen , M D
  • HYDROFAB SERVICES
    Location: ST 28, GATE 28, INDL AREA,
    Phone: 44163662
    Timings:
    Key Personnel:NOAMAN NIAZ KAZI, PRODUCT MNGR


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OIL & GASFIELD EQUIPMENT

OILFIELD EQUIPMENT SUPPLIERS in Doha Qatar


Find below a list of the top products suppliers of Oil & Gasfield Equipment in Doha, Qatar:

  • AAGS
    -
  • ABCO
    - Bop (blowout Preventer) Accumulator Units, High Pressure Test Units In Working Pressure Ranges From 5,000 To 30,000 Psi Including Stand-mounted Chart Recorders & High Pressure Hose Assemblies, High Pressure Testing Of Bop Stacks, Choke & Kill Lines, Christmas Trees & Any Other Type Of Equipment Requiring High Pressure Static Testing, Hydraulic Tongs For Handling Casings, Drill Collars, Sucker Rods & Tubing Including Chrome Tubulars. Hammer Unions, Swivel Joints, Choke/kill/standpipe/discharge Manifolds, Console, Data Headers, Positive Choke For A Broad Range Of Applications Including Wellheads, Production Manifolds, Well Testing, Steam Injection, Choke & Kill Manifolds & Well Clean Operations, Hammer Union End Connection, Hydraulic Fittings, Manifolds & Blocks, Aluminium Manifolds, Stackable Plates, Line Assembly Bodies, Pigging Solutions, Recovery Pigging Systems, Windlass, Hammer Unions, Ring Joints & Gaskets, Loading Systems, Top Loading Arms, Bottom Loading Arms, Electronic Rack Equipment, Custom Loading Arms, Api Couplers, Safety Breakaways, Loading System Accessories, Floating Suction Assemblies, Loading Arm Systems, Standardline Loading Arms, Api Bottom Loading Couplers, Overfill & Grounding Solutions, Floating Suction Assemblies, Swivel Joints, Quick & Dry Disconnects , Components For Oil Hydraulic Automation
  • ABS
    - Drainage / Sewage / Dewatering Pumps, Aeration Equipment For Treatment Plants
  • ACORN
    - Paint Brushes
  • AEST
    -

    • OIL & GASFIELD EQUIPMENT RADIX NOVEM OILFIELD CONSULTANCY SUPPLIERS IN DOHA QATAR
    • OIL & GASFIELD EQUIPMENT SPILLTECH SUPREME SUPPLY & SERVICES SUPPLIERS IN DOHA QATAR
    • MARINE AND OFFSHORE EQUIPMENT SUPPLIERS SOLARLINE TRADING WLL SUPPLIERS IN DOHA QATAR

  • AKTS
    - Agent / Stockist / Import And Supplier In Oil Field Materials / Valves /pipes & Fitting / Instruments / Drilling Equipment / Workshop Equipment & Consumables / Welding Equipment & Consumables / Safety & Protection Items
  • ALCO PRODUCTS
    - Design / Manufacture / Supply Of Heat Exchangers For Oil & Gas Industries
  • ALDERLY SYSTEMS
    - Metering / Process Skids
  • ALGAS
    - Vapourizers
  • ALIMAN
    - Spw / Ring Gaskets


Related Tags:
Oil & Gasfield Equipment products in doha qatar | AAGS Products in Doha Qatar | ABCO Products in Doha Qatar | ABS Products in Doha Qatar | ACORN Products in Doha Qatar | AEST Products in Doha Qatar | AKTS Products in Doha Qatar | ALCO PRODUCTS Products in Doha Qatar | ALDERLY SYSTEMS Products in Doha Qatar | ALGAS Products in Doha Qatar | ALIMAN Products in Doha Qatar |  Qatar Directory on Facebook |  Qatar Directory on Twitter |  Qatar Directory Online



Author

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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