A
No-Rub Operation
The stem rises to tilt the ball away from the seat prior to turning, eliminating seat wear and friction.
Mechanical
Control Seal Rising Stem Ball Valve (RSBV)
Metal-to-metal rising stem ball valve designed for extreme industrial applications, eliminating seat friction and wear during rotation.
1" to 36"
SIZE RANGEClass 150-2500#
PRESSURE CLASS−196 / +538°C
TEMPERATURE RANGEMetal-to-Metal
SEATING MATERIALWhy Choose Us
Engineering Advantages
Metal-to-metal rising stem ball valve designed for extreme industrial applications, eliminating seat friction and wear during rotation.
B
Metal-to-Metal Seating
Engineered for high-temperature and abrasive service conditions up to +538°C.
C
Single-Seat Design
Prevents pressure build-up in the valve cavity, enhancing operational safety.
D
Fire-Safe Certified
Fully certified fire-safe design according to API 607 and API 6FA standards.
Technical Specs
Operational Matrix
Size Range
1" to 36"
Pressure Class
ASME Class 150# to 2500#
Temperature Range
-196°C to +538°C
Seating Material
Metal-to-metal wetted seats
Design Compliance
ASME B16.34, API 6D, API 607 (Fire-Safe)
Bore Type
Full Bore (piggable) or Reduced Bore
Fugitive Emissions
ISO 15848 and Shell MESC SPE 77-312 compliant
Service Conditions
Industrial Applications
APP-01
Molecular Sieve Dehydrators
High cycling and thermal switching service in gas drying towers.
Mechanical
APP-02
Emergency ESD Valves
Critical fail-safe emergency shutdown systems in offshore oil platforms.
Mechanical
APP-03
Hot Oil Isolation
Handles heat transfer fluids and hot bitumen streams up to +538°C.
Mechanical
Need a Control Seal RSBV?
Our engineering team will help you configure wetted overlays and high-temperature actuators.