www.gndsc.com Phone: +1 (832) 415-4100 1836 Snake River Rd., Suite A Katy, TX, 77449

PIPE

PIPE / SEAMLESS & WELDEDCARBON, STAINLESS & ALLOY STEEL

Sizes: 1/4" - 48"

Types: ASTM, ASME, API, AWWA, DIN.

Schedules: 20, 30, 40, Standard (STD), Extra Heavy (XH), 80, 100, 120, 140, 160, XXH

Shapes: Round, Square, Rectangular, Oval.

Material: Carbon Steel ASTM A53 Gr. B, ASME SA53 Gr. B, Grades: API-5L Gr. B, ASTM A106 Gr. B, ASME SA106 Gr. B, ASTM A106 Gr. C, API 5L Gr. X42, X52, X60, X65, PSL1, PSL2. Low Temperature A333 Gr. 3, Gr. 6 Stainless Steel ASTM A213, A249, A269, A312, A358Grade: 304/304L, 316/316L, 317/317L, 304H, 316H, 321, 347 Alloy Steel ASTM A335 P1, P5, P9, P11, P22, P91

PIPE FITTINGSFITTINGS / PRESSURE & BUT WELD CARBON, STAINLESS & ALLOY STEEL

FORGED STEEL FITTINGSThreaded ( NPT ) and Socket Weld ( SW )

Sizes: 1/8" - 4"

Types: Elbows 90° & 45°, Street Ells, Tees, Crosses, Couplings, Reducers, Inserts, Caps, Unions, Laterals, Bushings, Plugs, Nipples, Swages, Outlets.

Class: 2000, 3000, 6000, 9000.

Material: Carbon Steel ASTM A105 / A105N

Grades: Low Temperature ASTM A350 LF1, LF2, LF3 Stainless Steel ASTM A182 F304/304L, 316/316L, 317L, 321, 310 347 Alloy Steel ASTM A182 F1, F5, F9, F11, F22 Special Alloy: Alloy 20 (A20), Nickel Alloy, Hastelloy C, Monel 400, Inconel.

Manufacturers: APP Allaoy, Hackney Bonney Forge, Ladish Capital, Camco Phoenix, Chero, Penn Machine, Delcorte, WFI, Dynamic Products, Welbend, Gibson, Warren.

BUTTWELD PIPE FITTINGS

Sizes: 1/4" - 48"

Types: 45° & 90° Long Radius Elbow, 90° Short Radius Elbow, 90° Long Radius Reduce Elbow, 180° Long Radius Elbow, 180° Short Radius Elbow, Tee, Reduce Tee, Cap, Cross, Concent ric & Eccentric Reducer, Stub End, Return Bend, Lateral, Saddle.

Material: Carbon Steel ASTM A234 WPB

Grades: High Yield Grades WPHY 42-52-60-65-70 Low Temperature ASTM A420 WPL3, WPL6 Stainless Steel 304/304L, 304H, 316/316L, 316H,316L, 321, 321H, 347, 310 Alloy Steel ASTM A234 WP1, WP5, WP9, WP11, WP22 Special Alloys: Monel 400, Alloy 20 (A20), Hastelloy C276, Inconel 600/625, Incoloy 800/825, Nickel 200.

Manufacturers: APP Alloy Ladish Canadoil Welbend Hackney Warren

OIL COUNTRY TUBULAR GOOD ( OCTG )

DRILL PIPE

Size: 2-3/8" - 6-5/8"

Types: API 5D

Connection: NC26, NC31, NC38, NC40, NC46, NC50, 5-1/2 FH, 6-5/8 FH

Grade: E-75, X-95, G105, S-135

HEAVY WEIGHT DRILL PIPE

Size: 3-1/2" - 6-5/8"

Types: API 7-1

Connection: NC38, NC40, NC46, NC50, 5-172 FH, 6-5/8 FH

CASINGSEAMLESS & ERW

Sizes: 4-1/2" - 20"

Types: API 5CT

Material/Grade: J55, K55, M65, L80, C95, N80, C90, T95, P110

TUBING

Size: 2-3/8" - 4-1/2"

Types: API 5CT

Material/Grade: 55, L80, N80, C90, P110

CARBON, STAINLESS & ALLOY STEEL FLANGE

Sizes: 1/2" - 24" - ASME/ANSI B16.5Sizes: 26" - 60" - ASME/ANSI B16.47 ( SERIES A & B ), MSS-SP44, API 605Class: 125, 150, 300, 600, 900, 1500, 2500

Bore: Standard (STD), Extra Heavy Bore (XH), Nominal Pipe Size (NPS), Pressure Class (CL).Facing: Raced Face ( RF ), Flat Face ( FF ), Ring Type Joint ( RTJ )

Types: Weld-Neck, Slip-On, Blind, Lap Joint, Socket Weld, Long Weld Neck, Threaded, Spade, Spectacle.

Material: Carbon Steel A-105

Grades: Low Temp A-350 LF2, LF3 Stainless Steel A-182 F304/304L, F316/316L, F317, F321, F347 Alloy A-182 F1, F5, F9, F11, F22 Alloy 20 (A20), Hastelloy C276, Alloy 600, Aluminum 6061 Other material available.

Manufacturers: APP Alloy, Bebitz, Co�er, Ladish, National Flange, Texas Flange, Warren.

GASKET

Sizes: 1/4" - 48"

Types: Spiral Wound, Metallic & Non-Metallic, Ring Joint, O-Ring Heat Exchanger, Soft Gasket, Metal Jacket

Material: Carbon Steel, Stainless Steel, PTFE, Te�on, Soft Iron, Non-Asbestos Sheet, Rubber Graphite, Exotics.

Manufacturers: Lamons , Flexitallic, Garlock, Pikotek.

FASTENERS

Sizes: All applicable sizes

Types: Fully Threaded Stud Bolt , Anchor Bolt Double-End Stud, Hex Bolts Single-End, Nuts, Tap End Stud. Washer, Threaded Rod

Material: ASTM A193 Gr. B7, B7M, B8, B8M, B16, B6, B5

Grades: ASTM A320 L7, L7M, L43, B8, B8M, B8A, B8MA ASTM A194 Gr. 2H, 2HM, 3, 4, 6, 7, 7M, 8, 8A, 8M, 8C Alloy Steel: Grade 660, Monel, Inconel, Hastelloy, Alloy 20, Aluminum, Brass, Titanium, Duplex.

Coating: Plain Finish, Cadmium, Zinc Plated, Xylan, Te�on.

VALVES

FORGED, CAST STEEL & CAST STAINLESS STEEL VALVES

Forged Sizes: 1/4" - 2"Cast Sizes: 1/2" - 48"Types: Gate, Globe, Check

Forged Class: 800 - 2500

Cast Class: 125 - 5000

Standard Design: API 602; ANSI/ASME B16.34, API600/6D

Forged Material Grades: Carbon Steel: ASTM A105 Low Temp.: ASTM A350 LF2 Stainless Steel: ASTM A182 F304/304L, F316/316L, F304H, 316H, F317/317L, F321, F91, F347, 347H, F51, F44, F20 Alloy: ASTM A182 F5, F9, F11, F22

Cast Material Grades: Carbon Steel: ASTM A216 WCB Low Temp.: ASTM A352 LCB, LC3, LCC Stainless Steel: ASTM A351 CF8, CF8M, CF3, CF3M Alloy: ASTM A217 WC6, WC9, C5, C12

Ends: Threaded (NPT), Socketweld (SW), Flanged, Butt Weld

Operator: Handwheel, Lever, Gear, Electric & Pneumatic Actuator.

Forged Manufacturers: Bonney Forge, DSI, Newco, Smith, SCV, Vogt, Warren, Williams, Walworth.

Cast Manufacturers: Aloyco, Crane, DSI, DPV, Ladish, Lunkenheimer, Milwaukee, Newco, Powell, Paci�c, PK, SCV, Velan, Williams, Walworth.

CAST IRON VALVES Sizes: 1/4" - 48" Class: 125 - 250Types: Gate, Globe, Check, AngleEnds: Flanged and Threaded

Bolted, Clamp, and Union Bonnet Swing, Tilting Disc, and Stop Check Rising and Non-Rising stem 3% Nickel Iron, All Iron, and Malleable Iron MSS SP 70, 71 and 85 UL/FM listed valves.

Manufacturers:ApolloLunkenheimerPowell

CraneMilwaukeeStockham

JenkinsNewcoWarren

KrombachOICWalworth

BALL VALVES

Sizes: 1/4" - 36" Class: 125 - 10,000Types: Soft & Metal Seated, Full & Reduce Port, Floating & Trunnion.

Designs: API 607, API 608, API 600/6D, MSS-SP-110, ANSI B16.34

Material: Carbon Steel: A 105, A 216 WCB/WCC, Stainless Steel: A 351 CF8M (316/SS), A351 CF3M (316/SS), 317, 317L, A 351 CF8 (304/SS), A 351 CF3 (304L/SS), A 352 LCB/LCC, A 351 CN7M HASTELLOY C276

Ends: Threaded & Socket Weld, Thread x Socket Weld, Flanged, RF

Operator: Lever, Gear, Electric, Pneumatic Actuator.

Manufacturers: AOP, Apollo, Crane, FlowTek, Grove, Jamesbury, KF Industries, Kitz, KTM, Kuka, McCanna, Newco, Nibco, SCV, SSI, SVF Argus, Walworth, Watts, Warren, Williams, Worcester

BUTTERFLY VALVES

Sizes: 2" - 72"

Class: 125, 150, 300 & 600

Styles: Resilient Seat, Metal Seat, High Performance

Types: Wafer or Lugged

Material: Cast Iron ASTM A-126B Ductile Iron ASTM A-395, ASTM A-536 Carbon Steel ASTM A-216WCB Stainless Steel ASTM A-351 CF8M

Manufacturers: Apollo, Bray Control, Crane, Demco, Dezurik, Jamesbur, Keystone, KF Industries, Milwaukee Durco, Newco, Walworth, Xomox

BALL VALVESPLUG VALVES

Sizes: 1/2" - 24" Class: 125 to 5000Types: Lubricated & Non Lubricated

Types: Top-Entry & Bottom-Entry

Face to Face: Short Pattern, Regular Pattern & Venturi Pattern

Material: Iron, WCB, LCB, CF8M

Connection: Screwed, Flanged & Butt Weld

Manufacturers: Desurik, Durco, Nordstrom, Tu�ine, Walworth, Xomox

BRONZE VALVES

Sizes: 1/4" - 3" Class: 125 - 600.Types: Gate, Globe, Check, and Angle

Ends: Flanged, Threaded, and Solder Joint

Screwed Bonnet and Union Bonnet. Commercial Grade and Industrial grade. Rising stem and Non-Rising stem. ASTM B61 or B62 Body. Stainless Steel, Bronze, or PTFE Disc. UL/ULC/FM listed valves. MSS SP 80.

Manufacturers: Crane, Lunkenheimer, Powell, Williams

TUBE VALVES & FITTINGS

VALVES

Types: Ball, Plug, Check, Relief, Pinch, Needle, Shuto� and Regulating, Diaphragm-Sealed, Bleed and Purge, Metering, Manifold.

TUBE FITTINGS

Types: Elbows, Tees, Unions, Adapters, Reducers, Couplings, Crosses, Caps, Plugs, Nipples, Quick Connects, Connectors, Tubing.

Material: SS304, SS316, Brass.

Manufacturers: Alco, BI-Lok, Century, DK-Lok, Gyrolok, Hexvalve, Hip, Hoke, HY-Lok, Parker, Panam, Swagelok

PUMPS

Types: Centrifugal, Reciprocating, Progressive Cavity.

Manufacturers: Ajax, Burk, Byron, Byron Jackson, Bornemann, Caster, Colfax, Crown, Durco, Dresse Emsco, Fairbank-Morse, Fairbank-Morse, Flowrox, Goulds, Gardner Denver, Hydril, KSB, Larkin, Milton Roy, Marlow, March, Moyno, Netzsch, National Oil Well, Peerless, Pleuger, Roper, Roto, Seepex, Sulzer, Tri-Clover, Tuthill, Viking, Warren Rupp, Weinman, Wheatley, Wilden, Waukesha.

COMPRESSOR

Types: Air & Gas

Manufacturers: Atlas Copco, Joy Compair, Kaeser Chicago, Pneumatic, LeRoi, Gardner Denver, Sullair, Ingersoll Rand, Worthington.

GENERATORS ( GENSET )

Manufacturers: Caterpillar, Kohler Cummins, Perkins Deutz, Volvo.

ELECTRICAL

Types: AC/DC Drives, AC/DC Motors, Adalet, Bulbs, Batteries, Breaker, Conduit, Connectors,Circuit Protection, Fittings, Fuses, Junction Box, Pilot Light, Power Supplies, Potency Cable, Relay, Surge Protectors, Switches, Starters, Transformers, Visual & Audible Signal, Wire & Cable.

Manufacturers: Appleton, Allen Bradley, Adalet, AB Chance, ABB Power, American, Baldor, Belden, Burndy, Curlee, Cuttler-Hammer, Crouse-Hinds, Federal Signal, Hubbell, Legrand WEG, Raychem, Reliance Electric, Siemens Akron, Square D, S&C Electric, Telemecanique, Thomas Betts, Westinghouse, US Motor,

INSTRUMENTS & CONTROL

Types: Analyzers, Annunciators, Alarm & Signal and Control, Controllers, Calibrators, Converters, Cameras, Displacement Meter, Digital Tachometers, Flow Meters, Gas Meters, Gages, Indicators, Liquid Level Indicator, Manometers, Multimeters, Meters, Portable Gas Detection, Pipe Locator, Pneumatic & Electric Actuators, Recorders, Regulators, RTD Sensor & Thermowell, Switch, Sensors, Stroboscope, Thermocouples, Transmitters, Totalizers, Transducer, Thermometers, Water Cut Analyzer.

Manufacturers: Ametek, Altronic, Altek, Amprobe, Ashcroft, ASCO, ASI, Applied Automation, Barton, Barksdale, Beamex, Brooks, Bristol Babcock, Bussmann, California Microwave, CamilleBauer, Cooper/MEDC, Custom Control Sensor, Det-Tronics, Digitec, Dynafor, Dwyer, 3D Instrument, EIN, Fairchild, Fike, Fisher, Flowdata, Fluke, Foxboro, FMC, Gossen, Go Regulator, Hanna Electronics, Heise,Helicoid, Honeywell, ITT Barton, Jenco, Jerguson, Kessler, Kett, Kenko, Kobold, Krohne, Krautkramer, La Marche, Link Bellofram, Liquide Control, Marsh, Maxitrol, Magnetrol, Megger, Metrawatt, Moore, Murphy, McDaniel, Neptune, Noshoh, Nuova Fima, Nuova Electronics, Omron, Partlow, Pelco, Penberthy, Phase Dynamics, Princo, Promag, Proximity, Reotemp, Robert , Shaw, Rockwell, Rosemount, Sensotec, Simpson, Sor, Tektronix, Tescom, Tel-Tru, Teledyne, Toshiba, Transcat, United Electric, Vallen, Varlen, Versa, Warrick, Weed, Wica, Yokogawa.

POWER TRANSMISSION

REDUCERS & GEARS

Types: Bevel, Helical, Parallel, Shaft Mounted Drives, Gear Motor Drive, Mixer Drive, Speed Reducer, Gear Box, Gear Rack Concentric Reducer, Grid

Manufacturers: Amarillo Gear, Boston, Browning, Cotta, Eurodrive, Falk, Morse, Master, Ohio Gear, Philadelphia Gear, Rexnord.

COUPLINGS

Types: Gear Couplings, Fluid Couplings, Flex Couplings, Grid Couplings, Disc Couplings, Elastomer Couplings, Jaw Type Rigid Couplings, Flexible Disc, Universal Joint

Manufacturers: Addax, Browning, Dodge, Flexibox, Kop-Flex, Lovejoy, Morse, Martin, Metastream, Rexnord, Thomas.

BELTS & CHAINS

Types: V-Belts, Timing Belts, Pulleys, Variable Speed Belt, Bushed Sheaves, Finished Bore Sheaves, Roller Chain, Elevator Chain.

Manufacturers: Diamond Chain, Gates, Je�rey Chain, Morse, Multern Belting, Power Rite Products, Rexnord.

BEARINGS

Types: Ball, Liner, Bronze, Roller, Spherical, Flange, Precision, Heavy Duty, Mounted, Pillow Block, Cam Followers, Needle, Spherical Roller, Rod Ends, Bearing Pulley.

Manufacturers: Aetna, Asahi, Alemite, Aurora, American Roller, Boston, Browning, Consolidate, Dodge, John Crane, Fafnir, Fag, Gill, Koyo, Link Belt, Mc NTN, NSK, Power Rite Products, Rexnord, Rollway, SKF, Seal Master, Timken, Torrington.

SEALS

Types: Mechanical Seals, Oil and Grease.

Manufacturers: Clark, Cleco, Chesterton, Federal Mogul, Harwal, John Crane, Mansville, National Seal, Seal Master.

LUBRICANTS

Manufacturers: Devcon, Dow Corning, Loctite, Lubriko, Permatex.

BELT CONVEYORS, COMPONENTS & PARTS

Types: Roller Conveyors, Belts Coveyors, Drag Conveyors, Belt Cleaners, PVC Plastic belts and Parts.

DRILLING

Types: Accumulators, Air Compressors, Brake Rims & Bands, Blowout Preventers & Spares, Blocks, Butter�y Valves, Casing & Hydraulic Casing Tongs, Centrifugal Pumps, Choke Manifolds, Control Systems, Crown Blocks, Diagnostic Meters, Drawworks & Spares, Drill Bits, Drill Pipe, Heavy Weight, Drill Collars, Drilling Choke Control Systems, Electrical Components & Accessories Elevators, Manual & Hydraulic Engines & Spare Parts, Filters, Oil, Gas, Air, Water, Fishing Tools & Downhole Equipment, Gate Valves, Generators, Gen-Sets, Handling Tools Manual & Hydraulic, Hook Block, Kelly Spinners, Motors, Electric & Diesel, Mud Pumps Single, Dual & Triplex, OEM Pump Parts, Block Hook Combos, Pup Joints, Rotary Bushing and Slips, Rotary Hoses, Vibrator, Choke & Kill, Suction, Rotary Tables & Swivels, Shale Shakers & Mud Screens, Stabilizers, Swivel Joints, Tongs, Manual & Hydraulic, Traveling Blocks, Winches & Hoists, Workover Rig Parts.

Manufacturers: Aker Kvaemer, Baker Hughes, Cameron, Cadwell, Camrig, Cooper, Continental Emsco, Eweco, Frank Cabot, Foster & Hendricks, Greer, Hydril, Ideco, MCM, Mission, MH-Pyramid, NL Sha�erNational Oilwell, Smith, Tylor, Tesco, Varco.

MARINE

MARINE EQUIPMENT FOR HARBOURS

Types: Quick release harbour type towing hook. Quick release mooring hooks with electric-pneumatic remote control (EPR). Berthing Approach Systems. Mooring Buoys. Marine fenders. Anchoring and Mooring Winches. Anchor Windlass Winches.

Manufacturers: Amclyde, Manpey Bridgestone, Trelleborg Dunlop, Yokohama.

MARINE DIVING SYSTEM

Types: Air Control Systems, Dive Helmet, Lightweight Full Face Masks.

Manufacturer: Kirby Morgan.

MARINE ENGINE, TRANSMISSION & PARTS

Types: Engines, Transmission & Parts.

Manufacturers: Allison, Twin Disc Caterpillar, ZF Cummins, Yanmar Detroit.

FIRE & SAFETY EQUIPMENTS

FIRE EQUIPMENTS

Types: Extinguishers, Hose & Couplings, Adapters, Nozzle, Caps, Plugs, Valves & Accessories, Monitors, Tools, Turbojets, Sprinklers, Manometers, Foam Equipments, Foam Maker, Foam Chamber, Connectors-Accessories, Hose Reels, Cabinets, Recharge & Test Equipment.

Manufacturers: Akron, Automatic Sprinkler, Angus Fire, Bete, Badger, Ever-Tite, Elkhart Brass, Flexiline Viking, Fike, Hannay Reels Amerex, Hydro Test Products Ansul, Imperial, Kiddie, Larsen's, National Foam, Niedner Brooks, Powhatan Buckeye, Spraying Systems Cold Fire, Snap-Tite, Scotty, Task Force Tip.

SAFETY & EMERGENCY EQUIPMENTS

Types: Self-Contained Breathing Apparatus ( Airpack ), Fire Protective Cloth, Face Mask, Globes, Helmet, Foot Protection, Respiratory Protection, Hearing, Protective Cloth, Eye Wash, Eyes & Face Protection, Back Support, First Aid Emergency.

Manufacturers:

Allegro Nomics, 3M Bata Miller Bullard, MSA Cairns & Brother, North Drager, Pro-Tech Fyrepel, Quaker Globe, Scott, Haws, Speakman, ISI, Uvex, Lacrosse, Weider.

METAL MECHANIC EQUIPMENTS

We can supply a wide range of the following machines, for special, customized and wide range projects and parts.

Types: Lathes, Millers, Grinders, Shapers Machines conventional and control numeric computer (CNC). Horizontal Boring Mills. Vertical Turning Centers and Horizontal Machining Centers. Messer CNC Laser, Plasma and Oxyfuel Cutting Machines. Bending and Cutting Machines and parts. Press Brakes and Guillotine Shears Machines. Sheet and Metal, Punching and Drilling Systems. Automatic CNC drilling systems. Hydraulic Punching & Shearing Machines. Welding Systems and Components. Side Beam Tracks and Carriages for Welding Equipments. Equipment and Spare Parts for Special Applications Welding. Hydraulic Presses (di�erent series: C-Frame, Monolithic and Composite). Trimming Beading machines. Plate Bending Machines 3 Rolls. Sheet Metal Bender. Processing Centre for Flat Bar. Long-Blade Shear for Plate and Rounds. Portable Boring Mill and Welding Machine Tool. Band Saw Machine. Wide Bandsaw Blades. Circular Saw for multi-head. Horizontal Precision Balancing Machines and parts.

Manufacturers: Boehringer, Cincinnati, Carl Shenck AG, Demoor, EHT Gmbh Germany, Foley, Giddings & Lewis, Heidenreich & Harbeck, Heyligenstaedt, Messer, Penddinghous, Shenck Trebel, Trumpf, Vollmer , Weiler.

MACHINERY, TRUCKS, ENGINE & PARTS

Types:Asphalt Tank TrailerAerial Lift TruckAll Terrain Cranes Back Hoe Loaders Concrete Mixer Truck Compactor Roller Drum Compactor Diesel Tank Trailer Drilling Truck ExcavatorsEngine & PartsForkliftFire TruckHydraulic Articulated TruckLube Service TruckLowboyTrucksTruck Mounted CranesTractorsVaccum TruckVibratory Compactor RollerWheel Loaders

Manufacturers: Altec, Bucyrus-Erie, Caterpillar, Case, Cummins, Copma, Circle D, Curry, Dynapac, Detroit Diesel, E.D. Etnyre, E�er, Grove, Galion, Hiab, Hyster, Hiel, International, Iveco, John Deere, Komatsu, Lorain, Link Belt Euclid, Massey Ferguson, Mitsubishi, Mack, National, Oshkosh/McNeilus, Polar, P & H, Peterbilt, Reichdrill, Terex, Tampo, Toyota, Versalift,Yale.

GNDSC.COMPhone: +1 (832) 415-4100

1836 Snake River Rd., Suite A Katy, TX, 77449