Rising Stem Carbon Steel Gate Valve Manufacturer in India
A rising stem carbon steel gate valve is a multi-turn isolation valve in which the stem travels vertically with the gate, allowing the operator to see the valve position during operation. The outside screw and yoke arrangement keeps the operating thread outside the pressure-containing cavity. Speciality Valve manufactures rising stem carbon steel gate valve configurations for hydrocarbon, process, power and industrial piping, with the body, wedge, trim, bonnet and end connections selected according to the service conditions.
Carbon Steel Gate Valve Material Options:
Applications for Rising Stem Carbon Steel Gate Valves:
Above-Ground Hydrocarbon Isolation: Used on accessible oil and gas piping where visible stem travel helps operators confirm valve position.
High-Pressure Refinery Lines: Applied to carbon-steel hydrocarbon and utility lines requiring robust wedge isolation at elevated pressure classes.
Steam Header Isolation: Used on suitable carbon-steel steam piping where the valve is operated primarily for sectional isolation.
Pipeline Valve Stations: Suitable for above-ground isolation points where the rising stem provides a clear external indication during operation.
Process Unit Block Valves: Installed at process equipment boundaries where reliable full-bore isolation is required during maintenance or shutdown.
Carbon Steel Gate Valve Grade Options:
The applicable grade depends on the pressure-temperature conditions, body construction, trim requirements and material specification for the particular valve.
Rising Stem Valve Construction:
Operating Characteristics:
Visible Position: Rising stem movement gives an external indication of gate position.
Wedge Closure: The gate moves between the seats to establish isolation.
Full-Bore Opening: The gate clears the main flow passage when fully open.
Isolation Service: Primarily intended for open or closed operation rather than throttling.
Manual Operation: Handwheel provides controlled multi-turn operation.
Gear Assistance: Gearboxes can be used where higher operating torque is required.
Automated Operation: Electric actuation can provide remote isolation where specified.
Backseat Arrangement: Applicable designs can provide additional stem sealing when the valve is fully open.
Size, Pressure and Connection Range:
Design and Inspection Standards:
API 600: Steel gate valve requirements.
ASME B16.34: Valve pressure-temperature and design requirements.
ASME B16.10: Face-to-face and end-to-end dimensions.
ASME B16.5: Applicable flange dimensions.
ASME B16.47: Large-diameter flange dimensions where applicable.
ASME B16.25: Butt-weld end dimensions.
API 598: Valve inspection and pressure testing.
ISO 5208: Pressure and leakage testing.
API 6FA: Fire testing where specified.
For your rising stem carbon steel gate valve requirement, share the valve size, pressure class, service medium, temperature and preferred end connection with Speciality Valve so the body, trim and operating arrangement can be matched to the application and a quotation can be prepared.
