About SQK A182 F316L Stainless Steel Swing Check Valve
SQK A182 F316L 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
Superior Corrosion ResistanceConstructed from ASTM A182 F316L stainless steel, this swing check valve offers exceptional resistance to corrosion, making it ideal for harsh and corrosive environments. Its robust metal seat further enhances durability, ensuring long-lasting performance across a wide range of industrial processes.
Versatile End Connections and StandardsChoose from flanged, socket weld, butt weld, or threaded end connections to suit a variety of pipeline configurations. The valve conforms to international standards such as ASME B16.5, EN1092-1, and DIN, offering flexibility for global projects and ensuring seamless integration into existing systems.
Reliable Tight Shut-OffEngineered for a tight shut-off (Leakage Class VI), this swing check valve ensures reliable prevention of backflow, safeguarding your system from contamination or pressure loss. It operates automatically with a non-return mechanism, requiring no external power for seamless operation.
FAQ's of SQK A182 F316L Stainless Steel Swing Check Valve:
Q: How does the SQK A182 F316L Swing Check Valve function in a pipeline system?
A: This valve operates automatically using a swing-type disc that allows flow in one direction while preventing reverse flow, thus acting as a non-return valve and protecting equipment from backflow damage.
Q: What connection types are available for this valve, and how should I select the appropriate one?
A: The valve is offered in flanged, socket weld, butt weld, and threaded end connections. Selection depends on your existing pipeline standards, ease of installation, and maintenance requirements.
Q: Where can the SQK A182 F316L Swing Check Valve be used effectively?
A: It is suitable for oil & gas, chemical, water, and steam applications due to its excellent corrosion resistance and compatibility with both liquid and gaseous media.
Q: What is the process for ensuring proper installation and operation of this valve?
A: Installation should follow the face-to-face dimension standard (ASME B16.10) and the chosen end connection. Verify alignment with flow direction and conduct API 598 pressure and leakage testing prior to commissioning.
Q: What benefits does the use of forged A182 F316L stainless steel bring to this valve?
A: Forged A182 F316L stainless steel offers enhanced mechanical strength, outstanding corrosion resistance, and longevity, making the valve reliable in aggressive service conditions.
Q: When is it necessary to opt for a metal seat instead of other seat materials?
A: Metal seats are preferred in high-temperature or abrasive applications, as they offer greater durability and can withstand harsher operating environments compared to soft seat materials.
Q: What leakage performance can be expected from this valve in critical applications?
A: Designed to meet Leakage Class VI standards, the valve ensures tight shut-off with minimal leakage, which is crucial for safeguarding systems handling hazardous or valuable fluids.