SQK A217 WC9 Cast Alloy Steel Gate Valve

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SQK A217 WC9 Cast Alloy Steel Gate Valve

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MOQ : 5 Units

SQK A217 WC9 Cast Alloy Steel Gate Valve Specification

Size
2 to 24 (DN50 to DN600)

Connection
Flanged / Butt Weld

Structure
Bolted Bonnet

Sealing
Metal to Metal

Material
A217 WC9 Cast Alloy Steel

Type
Gate Valve

Power Source
Manual / Handwheel

Pressure
Class 150 to Class 2500

Media
Water, Oil, Gas, Steam

Working Temperature
-29C to 425C

Port Size
DN 50 to DN 600

Surface
Painted / Coated

Shape
Round

Color
Silver / Grey

Leakage Rate
Zero Leakage

Body Test Pressure
1.5 x Rated Pressure

Weight
Varies with Size

End Connection Standard
ASME B16.5 / ASME B16.25

Seat Material
Alloy Steel / Hard Faced

Face to Face
ASME B16.10

Standard
API 600 / ASME B16.34

Shell Test Pressure
2.25 x Rated Pressure

Bonnet Type
Bolted Bonnet

Handwheel Material
Ductile Iron / Carbon Steel

Design
Full Port / OS&Y (Outside Screw & Yoke)

Application
Refineries, Petrochemical, Power Plant

Operation
Rising Stem

SQK A217 WC9 Cast Alloy Steel Gate Valve Trade Information

Minimum Order Quantity
5 Units

Supply Ability
200 Units Per Month

Delivery Time
7 Days

About SQK A217 WC9 Cast Alloy Steel Gate Valve

The API 600 Gate 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.

Gate Valves are of flexible wedge design, outside screw and yoke, and bolted-bonnet construction. The valves conform to API 600.

Main features :

Bolted body-bonnet design, seal welded & Valves with pressure seal bonnet
Bellows-sealed Gate and Globe valves available
Bolted body-bonnet 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 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

Superior Design and Robust Construction

Manufactured from high-grade A217 WC9 cast alloy steel, this gate valve offers a rugged solution for industries requiring durability and longevity. Its bolted bonnet and hard-faced alloy steel seat provide metal-to-metal sealing, minimizing maintenance and maximizing operational security. The full port OS&Y (Outside Screw & Yoke) design ensures low pressure drop and easy inspection.

Versatile Application and Wide Compatibility

This valve adapts to various demanding environments with compatibility for flanged and butt weld connections, facilitating installation in pipelines ranging from DN50 to DN600. Its high-pressure class (150 to 2500) and broad temperature tolerance make it suitable for water, oil, gas, and steam process lines, meeting the operational needs across multiple sectors.

FAQ's of SQK A217 WC9 Cast Alloy Steel Gate Valve:

Q: How is the SQK A217 WC9 Cast Alloy Steel Gate Valve installed in a pipeline system?

A: The valve can be integrated into a pipeline using either flanged or butt weld connections as per ASME B16.5 or ASME B16.25 standards. Its design is compatible with face-to-face dimensions specified by ASME B16.10, ensuring straightforward alignment and secure fit during installation.

Q: What is the process for ensuring zero leakage in this gate valve?

A: Zero leakage is achieved through its metal-to-metal hard-faced alloy steel seat and precise manufacturing to API 600 standards. Each valve undergoes body and shell hydrostatic testing at 1.5 and 2.25 times the rated pressure respectively, verifying tightness and sealing integrity before dispatch.

Q: When should the SQK A217 WC9 gate valve be used over other valve types?

A: It is ideally used in scenarios where flow isolation of aggressive media is required under high pressure and temperature, such as in refineries, petrochemical plants, and power generation systems. Its full port and OS&Y configuration suit applications demanding minimal restriction and easy maintenance.

Q: Where can this valve be applied effectively?

A: The SQK A217 WC9 gate valve is commonly deployed in industrial settings including oil & gas facilities, water treatment plants, chemical processing, and power plants, where safe isolation, reliable sealing, and compatibility with various media are essential.

Q: What benefits does the manual handwheel operation provide?

A: Manual handwheel control allows precise and reliable flow regulation without the need for external power sources. Its ductile iron or carbon steel construction provides durability and ergonomic handling for onsite operation and maintenance.

Q: How does the valve handle varying working conditions?

A: The gate valve is engineered to perform at temperatures from -29C to 425C and pressures up to Class 2500. Its robust alloy steel body and protective surface coating ensure resilience against corrosion and high-stress environments, guaranteeing longevity.

Q: What is the typical usage process for this valve in industrial applications?

A: During operation, the valve's rising stem mechanism enables visual position indication, while the full port body design maintains flow efficiency. Regular checks after installation, especially on seat and stem integrity, are recommended for optimal performance and extended service life.

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