Gate Valve 

Valvesonly is a reputed Gate Valve Manufacturer in USA, supplying to various countries like Brazil, Saudi Arabia, Canada and Germany. A gate valve is a type of linear motion valve used to control the flow of fluid within a pipeline. It is characterized by a gate or wedge-shaped disk that moves perpendicular to the flow of the fluid, allowing for complete or partial obstruction of the passage. The primary function of a gate valve is to either permit or prevent the flow of liquids or gases by raising or lowering the gate within the valve body. Gate valves are widely used in various industries due to their ability to provide a tight seal and low fluid resistance in the fully open position.

The structure of a gate valve typically consists of several essential components. These include the valve body, the gate or wedge, stem, actuator, and seats. The valve body houses the internal components and provides the connection points for the pipeline. The gate is the movable element that controls the flow, and it is guided by the stem, which is connected to the actuator. The actuator can be manual (handwheel or lever), electric, pneumatic, or hydraulic, allowing for various levels of automation. Gate valves are known for their simple design, durability, and the ability to provide a straight-through flow path when fully open.

The working principle of a gate valve involves the upward or downward movement of the gate to control the flow of fluid. In the fully open position, the gate is lifted entirely out of the flow path, allowing for unrestricted passage of the fluid. Conversely, in the fully closed position, the gate is lowered to obstruct the flow completely. Gate valves can also be positioned partially open to regulate the flow rate. The linear motion of the gate is achieved through the rotation of the stem, which is connected to the actuator. Gate valves are commonly used in applications where a tight seal is required, such as in isolation and shut-off operations within pipelines.

Types:

  • Solid Wedge Gate Valve
  • Parallel Disk or Split Gate Valve
  • Flexible Wedge Gate Valve
  • Non-Rising and Rising Gate Valve
  • Cryogenic Gate Valve
  • Through Conduit Gate Valve
  • Knife Gate Valve
  • Double-disc Valves
  • Bellows Seal Gate Valves

Difference between gate & globe valve

Gate valves and globe valves are both types of linear motion valves used in various industries, but they differ in terms of design, application, and how they control the flow of fluids.

  • Gate valves have a simple and robust design. They consist of a gate or wedge-shaped disk that moves perpendicular to the flow of the fluid. The gate is lifted or lowered by a stem connected to an actuator, allowing for either complete obstruction or unobstructed flow. Globe valves, on the other hand, have a more complex design. They feature a disk or plug that moves in a linear motion along the center line of the valve body, creating a seat that regulates the flow. The disk is attached to a stem, and the actuator controls the up and down movement.
  • Gate valves are primarily designed for on/off service. They provide minimal resistance to the flow when fully open but create a significant pressure drop when closed. Globe valves are versatile and suitable for both throttling (partial flow control) and isolation applications. They offer more precise control of the flow rate but generally have higher resistance compared to gate valves.
  • Gate valves are commonly used in applications where a straight-through flow path and minimal pressure drop are crucial. They are preferred for isolation and shut-off operations in pipelines. Globe valves find applications where precise flow control is necessary, such as regulating the flow rate or maintaining a specific pressure in a system. They are often used in industries like petrochemical, power generation, and water treatment.
  • Gate valves typically generate a lower pressure drop when fully open, making them suitable for applications where maintaining a high flow rate is essential. Globe valves tend to create a higher pressure drop, especially in the partially open position. This characteristic makes them more suitable for situations where flow control precision is more critical than minimal pressure drop.

Industries:

  • Oil and Gas
  • Petrochemical
  • Water Treatment
  • Power Generation
  • Chemical
  • Mining
  • Pulp and Paper
  • Marine
  • Aerospace
  • Construction
  • Textile
  • Automotive
  • Semiconductor Manufacturing
  • Shipbuilding
  • Fire Protection Systems

Description:

  • Materials: Ductile Iron, SS306, SS904, SS316, Monel, Bronze, Aluminum Bronze, Brass, Inconel, Incoloy,  Duplex steel, Titanium, CF8, CF8M, CF3, CF3M, WC1, Cast iron, Carbon steel (WCB, WCC, WC6, LCB, LF2, WC9).
  • Size: 1/2″- 64”.
  • Class: 150 to 2500.
  • Nominal Pressure: PN10 to PN450.
  • Operations: Hand Wheel, Gear operated, Electric, and Pneumatic, Actuated.
  • Ends: Flanged, Buttweld, Socket weld, Threaded.
  • Standards: API607, DIN, BS, ANSI, ASME, API6D, AWWA.

 

Showing 1–10 of 19 results

  • Sale!
    $53.00

    ANSI Gate Valve

    ANSI Gate Valve Body: WCB, CF8, CF8M, CF3, CF3M, WC1, WC6, WC9 Disc: WCB, CF8, CF8M, CF3, CF3M, WC1, WC6, WC9 Stem: 2Cr13, F304, F304L, F316, F316L Sealing Face: 13Cr Stellite Gasket: SS304+Graphite Packing: Graphite, PTFE Nominal Diameter: DN15 to DN600 Nominal Pressure: Class150 to Class2500 End Connections: Flanged, Buttweld Operation: Handwheel Operated, Gear Operated, […]

  • Sale!
    $53.00

    API Gate Valve

    API Gate Valve Body: WCB, CF8, CF8M Disc: WCB, CF8, CF8M Stem: F6a, F304, F316 Gasket: Graphite+SS304 Seat Ring: A105+13Cr, A105+Stellite, CF8, CF8M Packing: Graphite Design Standard: API 600, API 603 Face to Face Dimension: ASME B16.0 Flange End Dimension: ASME B16.5 Butt Welding Dimension: ASME B16.25 Inspection and Test: API 598, API 600 Dimensions  […]

  • Sale!
    $36.00

    BS Cast Iron Gate Valve

    BS Cast Iron Gate Valve 1. Body: Cast iron 2. Disc: Cast Iron 3. Stem: Stainless Steel 4. Bonnet Gasket: EPDM 5. Bonnet: Cast Iron 6. Sealing Ring: EPDM 7. O Ring: EPDM 8. Stem Nut: Brass, Bronze 9. Holding Ring: Brass 10. Handwheel: Cast Iron, Ductile Iron Nominal Diameter: DN50 to DN600 Nominal Pressure: […]

  • Sale!
    $56.00

    BS Cast Steel Gate valve

    BS Cast Steel Gate valve 1. Body: Carbon Steel 2. Disc: Carbon Steel+EPDM 3. Stem: Stainless Steel, Inox 4. Bonnet Gasket: EPDM, Graphite 5. Bonnet: Carbon Steel 6. Sealing Ring: EPDM 7. O Ring: EPDM 8. Stem Nut: Brass, Bronze 9. Holding Ring: Brass 10. Handwheel: Ductile Iron Nominal Diameter: DN50 to DN600 Nominal Pressure: […]

  • Sale!
    $41.00

    BS Ductile Iron Gate valve

    BS Ductile Iron Gate valve 1. Body: Ductile Iron 2. Disc: Ductile Iron+EPDM 3. Stem: Stainless Steel, Inox 4. Bonnet Gasket: EPDM 5. Bonnet: Ductile Iron 6. Sealing Ring: EPDM 7. O Ring: EPDM 8. Stem Nut: Brass, Bronze 9. Holding Ring: Brass 10. Handwheel: Ductile Iron Nominal Diameter: DN50 to DN600 Nominal Pressure: PN16 […]

  • Sale!
    $46.00

    BS NRS Carbon Steel Gate Valve

    BS NRS Carbon Steel Gate Valve 1. Body: Carbon Steel 2. Disc: Carbon Steel+EPDM 3. Stem: Stainless Steel, Inox 4. Bonnet Gasket: EPDM, Graphite 5. Bonnet: Carbon Steel 6. Sealing Ring: EPDM 7. O Ring: EPDM 8. Stem Nut: Brass, Bronze 9. Holding Ring: Brass 10. Handwheel: Ductile Iron Nominal Diameter: DN50 to DN600 Nominal […]

  • Sale!
    $26.00

    BS NRS Cast Iron Gate Valve

    BS NRS Cast Iron Gate Valve 1. Body: Cast iron 2. Disc: Cast Iron 3. Stem: Stainless Steel 4. Bonnet Gasket: EPDM 5. Bonnet: Cast Iron 6. Sealing Ring: EPDM 7. O Ring: EPDM 8. Stem Nut: Brass, Bronze 9. Holding Ring: Brass 10. Handwheel: Cast Iron, Ductile Iron Nominal Diameter: DN50 to DN600 Nominal […]

  • Sale!
    $31.00

    BS NRS Ductile Iron Gate Valve

    BS Non Rising Stem Gate Valve 1. Body: Ductile Iron 2. Disc: Ductile Iron+EPDM 3. Stem: Stainless Steel, Inox 4. Bonnet Gasket: EPDM 5. Bonnet: Ductile Iron 6. Sealing Ring: EPDM 7. O Ring: EPDM 8. Stem Nut: Brass, Bronze 9. Holding Ring: Brass 10. Handwheel: Ductile Iron Nominal Diameter: DN50 to DN600 Nominal Pressure: […]

  • Sale!
    $43.00

    BS Soft Seat gate Valve

    BS Soft Seat gate Valve 1. Body Material: Cast Iron, Ductile Iron 2. Disc: Cast Iron, Ductile Iron 3. Bonnet: Cast Iron, Ductile Iron 4. Stem: Stainless Steel 5. O-Ring: NBR 6. Gland: Ductile Iron 7. Operation: Manual Operated, Gear Operated 8. End Connections: Flanged, Buttweld, Socketweld Nominal Diameter: DN50 to DN300 Nominal Pressure: PN10, […]

  • Sale!
    $48.00

    BS Stainless Steel Gate Valve

    BS Stainless Steel Gate Valve 1. Body: Stainless Steel 2. Disc: Stainless Steel+EPDM 3. Stem: Stainless Steel, Inox 4. Bonnet Gasket: EPDM, Graphite 5. Bonnet: Stainless Steel 6. Sealing Ring: EPDM 7. O Ring: EPDM 8. Stem Nut: Brass, Bronze 9. Holding Ring: Brass 10. Handwheel: Ductile Iron Nominal Diameter: DN50 to DN600 Nominal Pressure: […]