SQK Gate Valve Class 800

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MOQ : 5 Units

SQK Gate Valve Class 800 Specification

Sealing
Soft / Hard

Connection
Socket Weld / Screwed (NPT, BSPT)

Size
1/2 to 2

Structure
Bolted Bonnet

Material
Forged Carbon Steel

Type
Gate Valve

Power Source
Manual

Pressure
Class 800

Media
Water, Oil, Gas, Steam

Working Temperature
-20C to 200C

Port Size
Full Bore

Surface
Forged Finish

Shape
Straight Pattern

Operation
Handwheel Operated

Standard
API 602 / BS 5352

Packing
Graphite

Seat Material
ENP / Stellited

Body Material
ASTM A105

Applicable Industry
Petrochemical, Chemical, Power Plants, Oil & Gas

Color
Black

Face to Face
As per Manufacturer Standards

Test Pressure
1200 psi

Design
Rising Stem, Non-Rising Handwheel

End Connection
Socket Weld & Threaded

Stem Material
A276 Type 410

SQK Gate Valve Class 800 Trade Information

Minimum Order Quantity
5 Units

Supply Ability
200 Units Per Month

Delivery Time
7 Days

About SQK Gate Valve Class 800

SQK Gate Valve Class 800

Main Features :

Bolted body-bonnet design for valves up to Class 800, 1500, 2500, 4500. Valves with welded bonnet also available on request
Screwed with a seal-welded body-bonnet design for valves of Class 1500,2500, 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

High-Performance Valve for Industrial Applications

The SQK Gate Valve Class 800 is designed for critical sectors such as petrochemical, chemical, power generation, oil, and gas. With its forged carbon steel body and bolted bonnet structure, it ensures durability and secure operation. The valve's straight pattern and full bore create efficient fluid flow while supporting a working temperature range of -20C to 200C.

Reliable Sealing Options and Material Quality

The valve seat features ENP or stellited materials for enhanced wear resistance. Soft or hard sealing options are available to suit various process requirements, while graphite packing ensures a tight seal and long service life. The stem is crafted from A276 Type 410 stainless steel, offering corrosion resistance and steadfast performance under pressure.

FAQ's of SQK Gate Valve Class 800:

Q: How is the SQK Gate Valve Class 800 operated and installed?

A: The SQK Gate Valve Class 800 is manually operated using a handwheel. Installation options include socket weld or threaded connections (NPT, BSPT), making it versatile for various piping systems in industrial environments.

Q: What industries typically use this gate valve model?

A: This gate valve is commonly used in petrochemical, chemical, power plant, oil and gas industries, owing to its robust construction and compatibility with water, oil, gas, and steam media.

Q: When should the seat material be selected as ENP or Stellited?

A: ENP or stellited seat materials should be chosen based on the valve's operating conditions. Stellited seats provide superior resistance to abrasion and heat, ideal for high-pressure and high-temperature applications. ENP is suitable for standard service requiring enhanced corrosion protection.

Q: Where does the valve's forged finish and body material offer advantages?

A: The forged finish and ASTM A105 carbon steel body deliver enhanced strength and durability, making the valve suitable for demanding industrial settings where pressure and temperature fluctuate.

Q: What benefits does the rising stem and non-rising handwheel design provide?

A: The rising stem allows for clear visual indication of valve position, promoting operational safety. The non-rising handwheel saves space, making the valve suitable for installations with limited vertical clearance.

Q: How does the SQK Gate Valve ensure leak-tight performance?

A: Leak-tightness is achieved through graphite packing, precision-engineered sealing surfaces, and robust bolted bonnet design, effectively minimizing fugitive emissions and maintaining process integrity.

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