Overview

Flowlines provides spindle pipes, also known as stainless steel valve extension spindles, designed for safe and efficient operation of underground valves in utility infrastructure and industrial projects. These spindle pipes are installed within valve chambers to extend valve operation points to ground level, enabling easy access for operation, inspection, and routine maintenance.

Manufactured from high-quality stainless steel, Flowlines spindle pipes offer excellent corrosion resistance, dimensional accuracy, and long service life, making them suitable for harsh underground environments. Designed in accordance with approved drawings and relevant standards, they ensure reliable valve operation while reducing maintenance requirements over time.

Product Features

• Designed for underground valve chamber applications requiring extended valve operation

• Manufactured from stainless steel grade SS316 for durability and corrosion resistance

• Square spindle tube size: 20 × 20 mm

• Supplied with welded top stem cap, customized to suit spindle diameter

• Mill finish as standard

• Fabricated strictly as per approved shop or draft drawings

• Dimensional tolerance: ±5 mm

• Designed in compliance with QCS 2014 – Section 8, Part 6, Clause 6.2.2

• Suitable for non‑pressure applications

• Supplied without anchor bolts or installation accessories