Gate Valve Forged Steel F316 2” 150LB RF FLANGE Gate Valve Lockable Gate Valve
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Gate Valve Forged Steel F316 2” 150LB RF FLANGE Gate Valve Lockable Gate Valve

  • With a nominal pressure rating of 150LB, this gate valve guarantees optimal functionality even in high-pressure environments. Crafted from high-quality F316 material, it offers exceptional durability, corrosion resistance, and longevity, making it ideal for demanding industrial settings.
  • Designed in compliance with API600, API602, and API6D standards, this gate valve adheres to the highest industry norms, ensuring its reliability and safety. It has also been rigorously tested and inspected according to API598 standards, providing you with peace of mind regarding its quality and performance.
  • Featuring an RF flange end connection, this gate valve allows for easy installation and secure connections. The flange standard follows ASME/ANSI B16.5 guidelines, guaranteeing compatibility and interchangeability with other components.
  • Please note that this gate valve does not include a top flange, allowing for flexible customization based on your specific requirements.
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Introducing the Forged Steel F316 2" 150LB RF FLANGE Gate Valve, a professional-grade product designed to meet your industrial needs. This gate valve boasts exceptional features that ensure reliable performance in various applications.


  • Nominal Diameter: 2”

  • Bore: Full Bore

  • Nominal Pressure: 150LB

  • Material: F316

  • Operation:N/A

  • Design Standard: API600/API602/API6D

  • Test/Inspection: API598

  • End Connection:RF FLANGE

  • Flange standard: ASME/ANSI B16.5

  • Top Flange: N/A


Choose the Forged Steel F316 2" 150LB RF FLANGE Gate Valve for a professional-grade solution that combines durability, reliability, and adherence to industry standards. Invest in this high-quality product to enhance the efficiency and safety of your industrial operations.

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What Is a Gate Valve?


A sluice valve, which is also called a gate valve, is a type of valve that opens by raising a barrier (gate) to allow the fluid to pass through. Gate valves take up minimal space along the pipe and do not significantly impede the flow of fluid when fully open. The gate surfaces can be either parallel or wedge-shaped, with the latter design allowing for better sealing by applying pressure.


How Does a Gate Valve Work?


Gate valves are primarily used to stop the flow of liquids, as opposed to regulating the flow, which is typically done with a globe valve. When fully open, a gate valve allows for unobstructed flow, resulting in minimal resistance. The size of the flow path changes in a non-linear manner as the gate is moved, meaning that the flow rate does not change consistently with the movement of the stem. Depending on the design, a partially open gate may vibrate due to the fluid flow.


Gate valves are commonly used in larger pipe diameters (ranging from 2" to the largest pipelines) because they are simpler to construct compared to other valve types in larger sizes.


At high pressures, friction can pose a challenge. The pressure of the medium pushes the gate against its guiding rail, making it more difficult to operate the valve. In some cases, larger gate valves are equipped with a bypass that is controlled by a smaller valve, allowing for pressure reduction before operating the gate valve itself.


Gate valves that do not have an additional sealing ring on the gate or the seat are used in applications where minor leakage is not a concern, such as heating circuits or sewer pipes.


Gate Valve Construction:


Gate valves are operated by a stem that is connected to an actuator, such as a handwheel or motor. These valves can have either a rising or nonrising stem, depending on where the threading is located. Rising stems are connected to the gate and move up and down together when the valve is operated, allowing for a visual indication of the valve's position. The actuator is connected to a nut that rotates around the threaded stem to move it. Nonrising stem valves are connected to the actuator and rotate with it, with the threading going into the gate. These valves may have a pointer attached to the stem to show the valve's position, as the gate's movement is hidden inside the valve. Nonrising stems are used in situations where there is limited vertical space.


Gate valves can have flanged ends that are drilled according to the standards of compatible pipeline flanges. They are commonly made from materials such as cast iron, cast carbon steel, ductile iron, gunmetal, stainless steel, alloy steels, and forged steels.


In ultra-high vacuum chambers, all-metal gate valves are used to separate different regions of the chamber.

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Bonnet

Valve bodies are effectively sealed by bonnets, ensuring no leaks occur. Screw-in, union, or bolted bonnets can be found on gate valves. The simplest option is the screw-in bonnet, which provides a strong and reliable seal. For applications that require regular inspection and cleaning, a union bonnet is recommended. This type of bonnet also enhances the strength of the valve body. On the other hand, bolted bonnets are utilized for larger valves and situations involving higher pressure.


Pressure seal bonnet

A different kind of bonnet design found in gate valves is called pressure seal bonnet. This design is used for valves that handle high pressure situations, usually over 2250 psi (15 MPa). What sets the pressure seal bonnet apart is that it has a cup-shaped end that fits into the valve body. When the pressure inside the valve rises, the cup expands outward, creating a better seal between the body and the bonnet. Other designs that rely on external clamping pressure often result in leaks at the joint between the body and the bonnet.


Knife gate valve

A specialized valve called a knife gate valve is utilized to halt the movement of plastic solids and thick slurries like paper pulp by slicing through them. Unlike wedge-shaped valves, a knife gate valve features a tapered knife-like edge on its lower surface.


Types of Gate Valves

Wedge Gate Valve: This valve is a popular choice due to its wedge-shaped gate, which prevents sticking and ensures long-lasting performance.


Knife Gate Valve

These valves are named for their sharpness and are highly effective in handling thick fluids, as they are self-cleaning.


Through-Conduit Gate Valve

Also referred to as slab gates, this type of valve is particularly suitable for natural gas and crude oil applications, as it minimizes pressure loss.


Parallel Slide Gate Valve

Designed for high-temperature environments, this valve excels at preventing dirt from entering the seating surfaces.


Parallel Expanding Gate Valve

While not suitable for household plumbing, this valve is perfect for heavy-duty tasks in power plants and refineries.

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Electric actuators Gate Valve

Electric actuators can be customized to fit the specific needs of the gate valve and can be powered by three-phase current, alternating current, or direct current. Despite their high initial cost, they offer a prolonged lifespan and require minimal maintenance (easy to install, no energy usage when not in operation, simple upkeep). The switching durations can be flexibly adjusted to match the intended use, ranging from around 20 seconds to several minutes.


Pneumatic actuators Gate Valve

These devices function using compressed air, are more cost-effective than electric drives, have quick switching times, and are simple to upkeep. Nevertheless, they necessitate a compressed air supply line and a solenoid valve for control. There are two types of pneumatic actuators: double-acting and single-acting. Double-acting actuators need compressed air to both open and close the gate. On the other hand, single-acting actuators require compressed air for either opening or closing. In the case of single-acting actuators, the reset is automatic through a spring mechanism.


Hydraulic actuators Gate Valve

The same principle as pneumatic actuators. However, these actuators are operated with oil or water-based fluids (flame retardant).


Remotely operated gate valves

In certain situations, gate valves may not be easily operated at the location where they are installed. For example, if they are placed in a pit, underwater, or in the ground. In such cases, they can be manually operated using a drive linkage or spindle extension. Alternatively, they can be operated using an electric, pneumatic, or hydraulic drive. Depending on the conditions at the site, it might be necessary to install extra diverters with multiple cardan or ball joints. Additionally, a corridor column with a handwheel or drive may be required.

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Gate Valve Description:


  • Two inch and smaller valves are available with threaded or socket weld ends as standard.

  • Made from one piece, die-forged bodies.

  • All internal surfaces are accurately machined to provide maximum performance.

  • Renewable seat rings are made from hardened stainless steel, faced with Stellite.

  • The wedge is forged, hardened, ground, and lapped to ensure leak free sealing.

  • Fully guided wedge, precision machined body channels, for accurate, repeatable seating alignment.

  • Graphite packing, complete with braided graphite filament yarn anti-extrusion rings, is standard.

  • Standard body and bonnet materials are carbon steel (ASME SA105), alloy steel (ASME SA182 Gr. F11) and stainless steel (ASME SA182 Gr. F316) Trim for steel valves is 13% chrome stainless steel. 316 stainless steel valves have 316 trim.

  • Code compliance with ASME B16.34 and the ASME boiler and pressure vessel code, Section


Gate Valve Application:


Designed for use in high temperature steam and water, this multipurpose gate valve can be used in a wide variety of general purpose applications including vents, drains and isolation of compressors, condensers, heaters, pumps, water lines, heat exchangers, bypass lines, flash tanks, control valves, etc.



Specifications:



Valve Size

1/4 “–2”, DN10–DN50

Pressure Class

150LB–2500LB, PN16–PN420

Materials

Carbon Steel: A105, LF2, Stainless Steel: F304, F304L, F316, F316L, Duplex: F51, F55, Alloy: F1, F5, F5A, F9, F11, F22;

Design and Manufacturing Standards

API602, ASME 16.34, BS 5352, BS 6364;

Face to Face Standards

API 602

Flange Dimension Standards

SW Socket welding ends according to ASME B16.11,  
BW butt end by ASME B16.25,  
NPT threaded connectors according to ASME B1.20.1

Pressure Test Standards

API 598

Fire Safety Test Standards

Quality/Product Certifications

ISO9001, ISO14001, ISO18001;

Fugitive Emissions

ISO 15848-1, API 622;

Valve operator options

Handwhel, Worm Gear, Electric actuator, Pneumatic actuator, Hydraulic Actuator;

Shutoff Class

API 598 (Zero Leakage), API 6D

Bore

Full Bore, Reduced Bore

Process Connection Types

SW, NPT, BW, RF, RTJ


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Send us a message if you have any questions or request a quote. Our experts will give you a reply within 24 hours and help you select the right valve you want.

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 Email: info@wktipvf.com 

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