SQK A182 F304L Stainless Steel Swing Check Valve

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MOQ : 5 Units

SQK A182 F304L Stainless Steel Swing Check Valve Specification

Structure
Swing Check

Material
A182 F304L Stainless Steel

Power
Manual

Pressure
Class 150/300/600 (as per requirement)

Media
Liquid/Gas

Working Temperature
-29C to 180C

Port Size
1/2 to 12 (DN15 - DN300)

Surface
Shot Blasted / Pickled / Polished

Shape
Swing Type

Application
Water, Oil, Gas, Chemical, Petrochemical

Operation
Swing, Non-return

Body Test Pressure
1.5 times of rated pressure

End Connection
Flanged/Threaded/Welded

Face to Face Standard
ANSI/ASME B16.10

Sealing
PTFE/Gasket/Metal To Metal

Design Standard
API 594, ASME B16.34

Seat Test Pressure
1.1 times of rated pressure

Leakage Class
Class VI

Corrosion Resistance
Excellent

SQK A182 F304L Stainless Steel Swing Check Valve Trade Information

Minimum Order Quantity
5 Units

Supply Ability
200 Units Per Month

Delivery Time
7 Days

About SQK A182 F304L Stainless Steel Swing Check Valve

SQK A182 F304L Stainless Steel Swing Check Valve

Main Features :

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

Unparalleled Corrosion Resistance

Crafted from A182 F304L stainless steel, the SQK swing check valve provides superior durability and resistance to corrosion. This makes it highly suitable for challenging environments involving water, oil, gas, and various chemicals, ensuring long-term reliability and reduced maintenance costs.

Adaptable for Multiple Connections and Applications

With flanged, threaded, and welded end connections, the valve flexibly integrates into diverse pipeline systems. Whether used in chemical plants, petrochemical facilities, or municipal waterworks, its design accommodates various industrial requirements and assures leak-tight performance.

FAQ's of SQK A182 F304L Stainless Steel Swing Check Valve:

Q: How does the SQK A182 F304L Swing Check Valve prevent backflow in pipelines?

A: The swing check valve operates with a swinging disc mechanism that closes automatically when flow reverses, effectively stopping backflow and protecting pumps, compressors, and downstream equipment from damage.

Q: What sealing options are available for this swing check valve?

A: You can select from PTFE, gasket, or metal to metal sealing options, which accommodate different media conditions and enhance leakage protection. These seals are designed to achieve leakage class VI for stringent performance.

Q: When should this valve be tested for pressure integrity?

A: According to design standards, body and seat pressure testing is performed before installation to ensure reliability. The body is tested at 1.5 times rated pressure, while the seat is tested at 1.1 times rated pressure, complying with industry standards like API 594 and ASME B16.34.

Q: Where can the SQK swing check valve be installed?

A: This valve is suitable for installation in systems transporting water, oil, gas, chemicals, and petrochemical products. Its corrosion-resistant body makes it ideal for both indoor and outdoor industrial applications.

Q: What is the process for selecting the correct end connection?

A: Selection depends on pipeline compatibility and service conditions. Flanged connections offer easier maintenance, threaded provide quick setup, and welded connections are best for high-pressure or hazardous service, ensuring a secure and leak-proof installation.

Q: How does the valve ensure excellent corrosion resistance?

A: Manufactured from A182 F304L stainless steel and treated with shot blasting, pickling, or polishing, the valve maintains high resistance to corrosion and surface degradation, which is essential for demanding process media and harsh environments.

Q: What benefits does using a swing check valve in chemical and petrochemical plants offer?

A: Swing check valves provide reliable non-return performance, prevent media contamination or equipment damage, and minimize downtime due to their robust construction, excellent sealing, and adaptability to aggressive fluids and variable pressures.

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