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GLT VALVES
GLT Valves is a modern dynamic enterprise specializing in the design, development, manufacture, and marketing of top-quality valves for a wide range of industries. The management of GLT Valves is firmly committed to technological developments and will continue striving to provide a quality product at a competitive price to meet the needs and requirements of our customers in a timely manner. GLT Valves excellent record of quality products and outstanding service is based on a desire to meet global demand and standards for the valve industry in the 21st century.
As a valves specialist, GLT Valves product range includes Gate, Globe, and Check valves in both the cast and forged type. We also offer an advanced line of highly competitive ball valves available in floating or trunnion mounted and in a variety of types and sizes. Our valves are manufactured for a broad range of applications which includes the oil and gas industry, chemical and petrochemical, mining, pulp and paper, construction, power generation, ship-building and a host of other industries.
GLT Valves entire product are manufactured with the use of high quality materials and advanced manufacturing technology which ensures the highest possible product quality at a competitive price. Quality control is entirely carried out to ASME, API Spec and ISO 9001 standards. Our company growth is a testimony to our commitment to product quality and our customers, and we take great pride in the status our valves have won from our list of customers. We thank you very much for your interest in GLT Valves products.

GLT: GATE VALVE

Application & Function
Gate valves are primarily used for stop valves fully opened or fully closed and are not normally considered for throttling purposes, but more for slurries, viscous fluids, etc. Gate valves are characterized by a traveling wedge that travels perpendicular to the direction of flow. Gate valves usually have a minimum pressure drop when fully open, provide tight shut-off when fully closed, and remain relatively free of contamination buildup.

Construction:
Cast steel gate valve, outside screw and yoke, bolted bonnet, rising stem, non-rising hand wheel, flexible solid wedge, designed according to API 600.

General Information:
General Design : API 6D
Face to Face : ANSI B16.10
Flange Type : ANSI B16.5
Rating : Class 150, 300, 600 & 900
Sizes : 2" through 24"

Standard Materials:
Body / Bonnet : ASTM A216-WCB
Stem : ASTM A182-F6A
Wedge : ASTM A216-WCB+ 13Cr
Seat Ring : ASTM A105 + 13Cr
Packing : Graphite

GLT Valves produces a wide variety of types, classes and materials of check valves. Please visit our download catalogue page to download the latest GLT Valves product catalogue or please contact us if you require further information.

GLT GLOBE VALVE

Application & Function
Globe Valves are primarily used as control valves where moderate control or regulation of flow is required. Globe valves are marked with flow direction arrows as they are recommended to be installed with flow and pressure under the disc. The amount of force to close a globe valve against pressure is much higher than gate valves but the distance the stem travels is much less.

Construction:
Cast steel globe valve, outside screw and yoke, bolted bonnet, rissing stem, rissing hand wheel, swivel plug disc, designed according to API-600.

General Information:
General Design : API 600 or BS1873
Face to Face : ANSI B16.10
Flange Type : ANSI B16.5
Rating : Class 150, 300, 600 & 900
Sizes : 2" through 20"

Standard Materials:
Body / Bonnet : A216-WCB
Stem : A182-F6A
Disc : A216-WCB + 13Cr
Seat Ring : A105 + 13Cr
Packing : Graphite

GLT Valves produces a wide variety of types, classes and materials of check valves. Please visit our download catalogue page to download the latest GLT Valves product catalogue or please contact us if you require further information.

GLT CHECK VALVES

GLT Check Valves are available in 2 types : Swing Check Valves and Wafer Check Valves available in a range of sizes and pressures. Check Valves are single-direction flow valves used to allow unlimited flow in one direction and to restrain flow in the opposite direction. Check Valves are normally designed for installation in horizontal lines but may also be used in vertical lines where the flow is upward under the disc.

GLT Swing Check Valves

Application & Function
Swing check valves are straight through flow valves which work automaticallly. The disc swings from the seat upon exertion of fluid pressure on the upstream side. When the direction flow reserves, the reversal pressure and the weight of the disc close the disc against the seat, stopping backflow. This design allows the valves to remain closed even with no flow going through the valves.

Construction:
Cast steel swing check valve, bolted cover, horizontal or vertical lines, designed according to API-600.

Dimensions:
General Design : API 6D
Face to Face : ANSI B16.10
Flange Type : ANSI B16.5
Rating : Class 150, 300, 600 & 900
Sizes : 2" through 20"

Standard Materials:
Body / Cap : A216-WCB
Disc : A216-WCB + 13Cr
Seat Ring : A105 + 13Cr
Arm : A216-WCB

GLT Wafer Check Valves

Application & Function
Wafer check valves or sometimes called dual plate check valves has the same applications as swing check valves but with added advantageous. The design is lighter and more compact and lighter than a swing check valves, making it easier to install and lead to lower cost overall.

Construction:
Cast steel wafer check valve, one piece body, independent dual plate action, designed according to API-594.

Dimensions:
General Design : API 594
Face to Face : ANSI B16.10
Flange Type : ANSI B16.5
Rating : Class 150, 300 & 600
Sizes : 2" through 16"

Standard Materials:
Body / Cap : A216-WCB
Disc Plate : 13Cr
Seat : Buna N
Spring : A276-304
Hinge & Stop Pin : A276-304

GLT Valves pron & Function
Ball valves can be used to handle a variety of liquioduces a wide variety of types, classes and materials of check valves. Please visit our download catalogue page to download the latest GLT Valves product catalogue or please contact us if you require further information.

GLT Ball Valve
Applicatids, suspended solids and gases in many type of industry. Ball valves are suited for fluid flow requiring assured performance, tight shutoff, constant torque and no maintenance.

GLT Floating Ball Valve

Floating ball valves offer quick, quarter-turn operation, visual indication of the valve position, straight uninterrupted flow, and compact size. The full bore design minimizes pressure drop across valve while maximizing flow capability and throughput economy for general line services.

Construction:
2 Piece split body, full bore, free floating ball, combination lock stop, anti-static design, blowout-proof stem, cavity relieving seats, designed according to API 6D.

General Information:
General Design : API 6D
Face to Face : ANSI B16.10
Flange Type : ANSI B16.5
Rating Class : 150 & 300
Sizes : 2" through 8"

Standard Materials:
Body / Cap : ASTM A216-WCB
Stem : ASTM A276-410
Ball : ASTM A105+ Cr/ ENP
Seat : PTFE

GLT Trunion 2 Piece Ball Valve

Trunnion mounted ball valve have been designed for severe oil and gas applications, including production, transportation and distribution.

Construction:
2 Piece split body, full bore, trunnion mounted ball, independent ball and stem, anti-static design, cavity relieving seats, double block and bleed, designed according to API 6D.

General Information :
General Design : API 6D
Face to Face : ANSI B16.10
Flange Type : ANSI B16.5
Rating Class : 150, 300, 600 & 900
Sizes : 2" through 16"

Standard Materials:
Body / Cap : ASTM A216-WCB
Stem : ASTM A276-410
Ball : ASTM A105+ Cr/ ENP
Seat : PTFE
Seat Retainer : ASTM A105

GLT Trunion Forged 3 Piece Ball Valve

GLT Trunnion forged steel ball valves are suitable to stand the harsh service conditions often present in industrial and petroleum industry. These valves are recommended for tight shut-off in high pressure and arduous fluid applications.

Construction:
3 Piece forged steel split body, full bore, trunnion mounted ball, independent ball and stem, anti-static design, cavity relieving seats, double block and bleed, designed according to API 6D.

General Information :
General Design : API 6D
Face to Face : ANSI B16.10
Flange Type : ANSI B16.5
Rating Class : 150, 300, 600, 900 & 1500
Sizes : 2" through 16"

Standard Materials:
Body / Cap : ASTM A105
Stem : ASTM A276-410
Ball : ASTM A105+ Cr/ ENP
Seat : PTFE
Seat Retainer : ASTM A105

GLT Valves produces a wide variety of types, classes and materials of ball valves. Please visit our download catalogue page to download the latest GLT Valves product catalogue or please contact us if you require further information.

GLT Forged Steel Gate Valve

Construction:
2 Piece split body, bolted bonnet, regular bore, outside screw and yoke, available in threaded, socket weld and flanged ends, designed according to API 602.

General Information:
General Design : API 602/ ASME B16.34
End to End : ANSI B16.10
SW / THD Type : ANSI B16.11
Flange Type : ANSI B16.5
Rating : Class 150, 300, 600, 800 & 1500
Size : 1/ 4" through 2"

Standard Materials:
Body / Bonnet : ASTM A105
Stem : ASTM A276-410
Wedge : ASTM A276-420
Seat Ring : ASTM A276-410
Packing : Graphoil

GLT Forged Steel Globe Valve

Construction:
2 Piece split body, bolted bonnet, regular bore, outside screw and yoke, available in threaded, socket weld and flanged ends, designed according to API 602.

General Information :
General Design : API 602/ ASME B16.34
End to End : ANSI B16.10
SW / THD Type : ANSI B16.11
Flange Type : ANSI B16.5
Rating Class : 150, 300, 600, 800 & 1500
Size : 1/ 4" through 2"

Standard Materials:
Body / Bonnet : ASTM A105
Stem : ASTM A276-410
Disc : ASTM A276-420
Seat Ring : ASTM A276-410
Packing : Graphoil

GLT Forged Steel Check Valve

Construction:
2 Piece split body, bolted bonnet, regular bore, outside screw and yoke, Available in piston or swing style, end connection available in threaded, socket weld and flanged ends, designed according to API 602.

General Information :
General Design : API 602/ ASME B16.34
End to End : ANSI B16.10
SW / THD Type : ANSI B16.11
Flange Type : ANSI B16.5
Rating : Class 150, 300, 600, 800 & 1500
Size : 1/ 4" through 2"

Standard Materials:
Body / Cap : ASTM A105
Disc : ASTM A276-420
Seat Ring : ASTM A276-410
Hinge Pin : ASTM A276-410

GLT Valves produces a wide variety of types, classes and materials of check valves. Please visit our download catalogue page to download the latest GLT Valves product catalogue or please contact us if you require further information.

27 / 01 / 2012