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SQK A182 F91 Alloy Steel Globe Valve

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MOQ : 5 Units

SQK A182 F91 Alloy Steel Globe Valve Specification

Connection
Flanged

Sealing
Metal Seated

Material
A182 F91 Alloy Steel

Power
Manual

Pressure
Class 150 to Class 2500

Media
Water, Gas, Oil, Steam

Working Temperature
Up to 600C

Port Size
2 Inch

Surface
Polished

Shape
Globe

Application
Industrial Pipelines, Power Plants

Color
Silver

Temperature Resistance
High Temperature

Trim Material
Stellite

Pressure Rating
PN20 to PN420

Operation Type
Handwheel / Actuator

Design Standard
BS 1873 / API 602

Testing Standard
API 598

Feature
High Strength, Corrosion Resistant, Durable Construction

Application Use
Suitable for controlling flow in high temperature & high pressure applications

Bonnet Type
Bolted Bonnet

Stem Material
Alloy Steel A182 F91

Leakage Class
ANSI Class VI

Packing
Graphite

Body Material
Forged Alloy Steel

Size Range
DN50 to DN600

End Connection Standard
ASME B16.5

Face to Face Standard
ASME B16.10

SQK A182 F91 Alloy Steel Globe Valve Trade Information

Minimum Order Quantity
5 Units

Supply Ability
200 Units Per Month

Delivery Time
7 Days

About SQK A182 F91 Alloy Steel Globe Valve

SQK A182 F91 Alloy Steel Globe Valve

Main features

Bolted body-bonnet design for valves up to Class 800, 1500, 2500. Valves with welded bonnet also available on request

Screwed with seal-welded body-bonnet design for valves of Class 1500, 2500, 3000 & 4500

Bellows-sealed Gate and Globe valves available in Class 800

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

Advanced Material for Enhanced Performance

Constructed from forged A182 F91 alloy steel, this globe valve offers high mechanical strength and excellent resistance against corrosion and thermal stress. The stellite trim and graphite packing further improve wear resistance, ensuring a long service life even in challenging environments.

Precision Sealing and Minimal Leakage

Designed with metal seated sealing and certified to ANSI Class VI leakage standards, the valve guarantees secure shut-off and reliable isolation of media. Its carefully engineered face-to-face dimensions and flanged ends (per ASME B16.10/B16.5) facilitate easy integration into industrial pipelines.

FAQs of SQK A182 F91 Alloy Steel Globe Valve:

Q: How does the SQK A182 F91 Alloy Steel Globe Valve maintain high performance in extreme conditions?

A: Thanks to its forged A182 F91 alloy steel body and stellite-trimmed internals, the valve resists high pressures (up to Class 2500) and temperatures (up to 600C). Graphite packing provides effective sealing even under thermal fluctuations, ensuring safe and reliable performance in harsh environments.

Q: What media can be controlled using this globe valve?

A: This valve is suitable for controlling the flow of various media such as water, oil, gas, and steam, commonly found in industrial processes, power plants, and other demanding applications.

Q: When is a handwheel or actuator operation preferable?

A: Handwheel operation is ideal for manual and low-frequency valve operation, while actuator-driven mechanisms are better suited for remote, automated, or frequent usage scenarios, especially when rapid or precise flow control is required.

Q: Where can the SQK A182 F91 Globe Valve be installed effectively?

A: It is widely applied in high-pressure, high-temperature industrial pipelines, especially in sectors such as power generation, petrochemical, and oil & gas, where reliable flow control and corrosion resistance are vital.

Q: What is the process for testing these valves before delivery?

A: Each valve undergoes rigorous pressure and leakage testing as per API 598 standards to ensure compliance, performance integrity, and leak-tight operation before it is dispatched for installation.

Q: How does the valves construction contribute to its durability?

A: The durable construction features forged alloy steel and a bolted bonnet, which provide robustness and facilitate maintenance. The polished surface and high-grade materials enhance its resistance to corrosion and mechanical stress.

Q: What are the main benefits of using this valve in industrial applications?

A: Users benefit from high strength, reliable operation under extreme conditions, minimal maintenance requirements, and excellent sealing performance, all of which contribute to safer, more efficient process control.

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