About Class 4500 Gate Valve
Class 4500 Gate Valve that we are offering is unmatched in terms of design and quality. The valve is typically used in industries for applications including fluid flow control, pressure regulation, distribution, among others. it is made out of the first-rate alloyed metal that is highly resistant to corrosion, rust, and chemical attacks. Due to its ruggedness and longevity, we are seeing a huge demand for the gate valve in the marketplace. Our customers can approach us to purchase the Class 4500 Gate Valve at a cost-effective price.
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
Engineered for Extreme PerformanceCrafted for high-pressure environments, our Class 4500 Gate Valves integrate top-grade materials including A105, F304, and F316. Each valve adheres to strict international standards, ensuring longevity and exceptional sealing performance even in volatile environments. The availability of multiple seat and trim materials, along with a bolted bonnet structure, ensures lasting operation and easy maintenance.
Versatility Across ApplicationsThese valves serve a broad spectrum of applicationsfrom petrochemical refineries and oil & gas pipelines to industrial plant and power generation systems. Their robust stem design (OS&Y) and adaptable face-to-face dimensions provide seamless integration into existing pipelines. Options for socket weld, screwed, or flanged ends maximize installation flexibility for a wide range of media types.
Quality-Driven Design and TestingManufactured under rigorous quality standards, each Class 4500 Gate Valve undergoes hydrostatic and pneumatic pressure tests as mandated by API 598. Visible MSS SP-25 marking and anti-corrosive coatings underline the commitment to operational safety and traceability. Gland packings in graphite or PTFE and high-grade trim materials help minimize maintenance requirements and extend lifetime service.
FAQs of Class 4500 Gate Valve:
Q: How is the Class 4500 Gate Valve installed in industrial pipelines?
A: The valve can be installed using socket weld, screwed, or flanged end connections, based on your pipeline requirements. Adhering to ASME B16.10 face-to-face dimensions ensures compatibility, while careful alignment and proper torque for bolted bonnets promote a leak-free installation.
Q: What materials are available for the body and trim of the valve?
A: Body material options include A105 (carbon steel), F304 (stainless steel), and F316 (stainless steel), allowing for selection based on media compatibility and temperature demands. Trim materials offered are 13% Cr, F304, and F316 for enhanced corrosion and wear resistance.
Q: When should one choose between replaceable and welded seats?
A: Replaceable seats are ideal for applications where maintenance access and future seat replacement are important. Welded seats, however, provide a permanent solution and are favored in conditions requiring secure, fixed seating for prolonged durability.
Q: What leakage class does this valve meet, and why is it beneficial?
A: The valve achieves Class VI (soft seat) or Class IV/V (metal seat) leakage standards, ensuring minimal leakage and maximizing process safety. These stringent leakage ratings are crucial in systems handling hazardous or valuable fluids.
Q: Where are these gate valves typically used?
A: Class 4500 Gate Valves are employed in petrochemical plants, oil and gas facilities, power generation units, and industrial piping systems. Their robust construction and high-pressure rating make them suitable for water, oil, gas, and steam media.
Q: How is valve operation achieved and what are the benefits?
A: Operation is manual, using a handwheel for precise, reliable flow control. The outside screw and yoke (OS&Y) design facilitates visual stem position indication and reduces maintenance by isolating threads from process media exposure.