Bolted Bonnet Rising Spindle

Bolted Bonnet Rising Spindle

Product Range

Bolted Bonnet Rising Spindle

Bolted Bonnet Rising Spindle Valves are designed for reliable flow control and shut-off in industrial pipelines. The rising spindle mechanism provides clear visual indication of the valve position, ensuring safe operation and easy monitoring. The bolted bonnet construction enhances the valve’s strength and sealing capability, making it suitable for higher pressure applications compared to screwed bonnet designs. These valves are widely used in industries such as oil & gas, chemical processing, power generation, water treatment, and HVAC systems. The rising spindle ensures smooth operation, reducing wear and extending service life.

Bolted Bonnet Rising Spindle Valve for Reliable Industrial Flow Control

Constructed from high-quality carbon steel, alloy steel, or stainless steel, these valves offer excellent resistance to corrosion, erosion, and mechanical stress. The bolted bonnet allows convenient maintenance and inspection without the need to remove the entire valve from the pipeline. This design ensures leak-proof performance and reliability in critical systems.

Bolted Bonnet Rising Spindle valves are suitable for both on-off service and moderate throttling applications. They can be operated manually or fitted with actuators for automated control, providing flexibility across different industrial processes. The valve’s design also facilitates easy installation in small or large diameter pipelines. Sparkey Valve and Fitting Pvt. Ltd. manufactures these high-performance valves with a focus on quality, precision, and durability. By adhering to international standards and employing advanced manufacturing techniques, Sparkey ensures each valve delivers reliable performance, operational safety, and long-term efficiency. Their expertise makes them a trusted choice for industrial flow control solutions.

Features

Applications

Specification

Bonnet DesignBolted Bonnet
End ConnectionFlanged / Screwed / Socket Weld
OperationManual / Gear / Electric / Pneumatic Actuation
Body MaterialCarbon Steel / Stainless Steel / Alloy Steel
Stem MaterialStainless Steel / Alloy Steel
Pressure RatingPN16 / PN25 / PN40 / Class 150 / 300 / 600
Temperature Range-29°C to +450°C (Depending on Material)
Sealing TypeMetal-to-Metal / Soft Seat
Flow DirectionBidirectional
Leakage ClassAPI 598 / ISO 5208

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