Bolted Bonnet Swing Check Valve

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MOQ : 5 Units

Bolted Bonnet Swing Check Valve Specification

Structure
Bolted Bonnet, Swing Check

Material
Carbon Steel, Stainless Steel, Alloy Steel

Power
Manual

Pressure
Class 150 to 2500 (ANSI) / PN16 to PN420 (DIN)

Media
Water, Oil, Gas

Working Temperature
-29C to 425C (depending on material)

Port Size
2 to 36 (DN50 to DN900)

Surface
Painted, Anti-corrosive Coating

Shape
Swing Type

Application
Oil & Gas, Petrochemical, Power Plants, Water Treatment

Face to Face Dimension
ASME B16.10

End Connection
Flanged / Butt Weld / Socket Weld

Leakage Standard
API 598

Body Design
Straight Pattern

Bonnet Type
Bolted

Operation
Swing Check (Automatic Non-Return)

Flange Standard
ASME B16.5

Disc Material
Stainless Steel / Alloy Steel

Seat Material
Metal / Soft Seat Options

Flow Direction
Unidirectional

Installation Orientation
Horizontal (standard) / Vertical (with upward flow)

Bolted Bonnet Swing Check Valve Trade Information

Minimum Order Quantity
5 Units

Supply Ability
200 Units Per Month

Delivery Time
7 Days

About Bolted Bonnet Swing Check Valve

Bolted Bonnet Swing Check Valve is unmatched in terms of design and performance. This is well designed and developed in our ultra-advanced production site making the best use of pioneering techniques and machinery. The check valve has got rugged construction and long operational life. It is made out of first-rate alloyed metal that is resistant to corrosion, rust, and shear forces. Therefore, we are seeing a huge demand for the check valve in the marketplace. Bolted Bonnet Swing Check Valve can be purchased from us at a cost-effective price.

The API BS 1868 series of Swing Check Valves is exceptionally sturdy, rugged and durable, with a reputation for quality, integrity, and long service.

They are designed for tight sealing and ease of operation. The valves are available flanged & butt-weld ends in pressure rating from ASME Class 150 to Class 2500, and in a variety of materials of construction.

Check Valves are of swing-type and bolted-cover construction. They conform to BS 1868 and also meet the general requirements of API 600, including shell wall thickness.

Main features :

Bolted body-cover design, seal welded & Valves with pressure seal cover
Bolted body-cover joints provided with spiral-wound stainless steel gasket and graphite filler for maximum protection against leaks
Die-formed graphite inner packing rings and braided graphite end rings with Inconel wire reinforcement and corrosion inhibitor
T-head stem-disc connection of gate valve fully meets strength requirements of API 602 and API 598
Rolled ACME thread on the stem for smooth operation
Tapered shoulder on the stem for back seating
Self-aligning type gland assembly with stud-and-nut tightening
Integral hard-faced body seat for globe and check valves
Spring-loaded disc on check valves suitable for no horizontal applications too
Gate and globe valves can be offered with electrical actuators
Austenitic SS forging for body and bonnet of Cryogenic valves, resulting in excellent impact strength, minimal heat loss, and resistance to corrosion
Valves can be offered to NACE MR-0175 and other special NACE requirements

Cast steel ASME B16.34 Swing Check Valves Pressure Seal Bonnet design

The ASME B16.34 Swing Check, and Y Type Swing Check Valves feature a pressure seal bonnet design for high-pressure services. These valves are extensively used in high pressure and high-temperature steam, oil, gas, chemical, and water applications in thermal power plants, fertilizer plants, petrochemical plants, and refineries. These valves are available in butt weld ends in pressure ratings of Classes 900, 1500 and 2500, and come in carbon steel and alloy steel construction.

Engineered for Industrial Performance

Designed for high-demand environments, the Bolted Bonnet Swing Check Valve offers robust construction and precise control. A bolted bonnet ensures easy maintenance and durability in demanding conditions, while corrosion-resistant coatings extend service life. Whether for oil, gas, or water media, its high-quality materials and versatile end connections secure dependable operation across various sectors.

Versatile Applications and Reliable Operation

This swing check valve supports installation in a wide range of industrial processes, including oil & gas pipelines, petrochemical facilities, and power plants. Its unidirectional flow design and automatic swing operation make it effective at preventing backflow, protecting critical infrastructure and equipment from reverse flow damage. Compatibility with both horizontal and vertical piping ensures maximum flexibility.

FAQs of Bolted Bonnet Swing Check Valve:

Q: How does the Bolted Bonnet Swing Check Valve operate in pipelines?

A: The valve operates automatically, allowing flow in one direction while preventing backflow through a swing disc mechanism. When the flow stops or reverses, the disc closes, ensuring non-return operation to protect equipment and processes.

Q: What are the main benefits of using a bolted bonnet swing check valve?

A: Key benefits include robust construction for high pressure and temperature applications, easy maintenance due to the bolted bonnet, and reliable prevention of reverse flow. The design ensures operational efficiency and safety for a wide spectrum of industrial uses.

Q: When should I select flanged, butt weld, or socket weld end connections?

A: The choice depends on your piping systems requirements. Flanged ends are ideal for detachable connections, butt weld ends provide a seamless, high-strength link for high-pressure applications, and socket weld ends are suited for smaller diameter piping with moderate pressure.

Q: Where can this check valve be installed and in which orientation?

A: It is typically installed in horizontal pipelines for optimal swing operation. Vertical installation is possible if the flow is upward, ensuring proper disc movement and preventing reverse flow. Always follow manufacturer recommendations for best results.

Q: What is the process for ensuring leak tightness in this valve?

A: Leak tightness is verified according to API 598 standards. Metal or soft seat options are available, offering tailored solutions for required sealing performance under various system pressures and media.

Q: What materials are available for the valve components, and why choose different materials?

A: The valve body is available in carbon steel, stainless steel, or alloy steel to suit specific media and environmental conditions. Disc and seat materials, including stainless steel or alloy steel, are selected based on pressure, temperature, and chemical compatibility requirements.

Q: How does the anti-corrosive coating enhance the valves durability?

A: The anti-corrosive coating protects the valves surface from rust and chemical attack, greatly extending its service life. This is particularly important for oil & gas, petrochemical, and water treatment applications where exposure to corrosive substances is common.

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