characteristics of the RSB
Arflu RSBV is a valve specially designed for oil and gas industry for services requiring positive action seal to avoid leackage or process contamination.
Energized soft or metal seated valves are suitable for many applications such as:
Flowlines
Meter Isolation
Mol Sieve Dehydration Switching
Block & Bypass
Suction & Discharge Isolation
Heat Transfer Fluids / Hot Oil
Product Segragation
Emergency Shutdown
Dryer Switching
Hydrogen Service….
REGULATION OF THE HIGH PRESSURE FLOW RATE
The cam guided rotating system provides a smooth movement of the ball that never contacts the seat while rotating. This fact increases the life of the valve with positive sealing even in case of frequent cycling service and decreases maintenance needs to a minimum.
The design of Arflu RSBV allows to change the packing while the valve is pressurized as back seat is provided. Gland flange and gland ring can be removed easily to grant access for packing replacement with simple and standard tools.
competitive advantages
BACK SEATING
Stem packing easily replaced or adjusted, even if line is under pressure
LATEST DESIGN
Our design is optimized by the most modern informatic technology, 3D design, finite element calculus, etc.
NO CONTACT BETWEEN BALL & SEAT DURING ROTATION
NO FRICTION
Low operating torques and friction-free opening & closing.
MAINTENANCE AND SERVICEABILITY
Top Entry Design.
Low cost maintenance.
STEM PACKING
with special requirements (i.e. TA-Luft, fugitive emissions, etc)
NO THERMAL EXPANSION PROBLEM
BLOWOUT PROOF STEM
TOP ENTRY DESIGN
TECHNICAL INFORMATION
ARFLU MANUFACTURING RANGE
ARFLU, is known for the extensive manufacturing range, we manufacture large number of valves in almost all sizes and materials. If you do not find the valve you need in the box attached, please contact our sales representatives and we will study the feasibility of producing in other dimensions.
SIZE
construction
ends
asme class
international standards
INTERNATIONAL DESIGN STANDARDS
DESIGN AND MANUFACTURE:
ASME B 16.34: Valves-Flanged, Threaded, and Welding End.
API 6D: Pipeline Valves. Pressure Test Specification.
INSPECTION AND TEST:
API 598: Valve Inspection and Testing.
API 6D: Specification for Pipeline and Piping Valves.
API RP 6FA: Specification for Fire Test for Valves
API-607: Fire Test for Soft-seated Quarter-turn Valves.
FLANGE DIMENSION:
ASME B 16.5: Pipe Flanges and Flanged Fittings.
FACE TO FACE AND END TO END:
ASME B 16.10: Face-to-Face and End-to-End Dimensions of Valves.
API 6D: Pipeline Valves. Pressure Test Specification.
* Other standards/materials upon request
