Lever Operated Ball Valve

Butt Welded Dimensions：ANSI B16.25

Design and Manufacture：API 6D

Pressure Test：API598

Materials：WCB 、WC6 、WC9 、CF8、 CF8M、 CF3、 CF3M 、CN7M、LC1

LC2、LC3、LCB、LCC、Monel、 20# Alloys、4A、5A、C95800、C95500、A105、 F304 、F304L 、F316 、F316L、LF1 、LF2、LF3、LF9、 F51、F53、F11、F22, ect.

How a Lever Operated Ball Valve Works

The valve contains a spherical disc (the ball) with a central bore. Turning the lever 90° rotates the ball so the bore either lines up with the pipeline (open) or blocks it at right angles (closed). Because the motion is a single quarter turn, the valve goes from fully open to fully closed in one swift movement, and the lever orientation always indicates the flow state — parallel to the pipe means open, perpendicular means closed.

Material & Service Selection

Application

Lever operated ball valves are widely used in oil & gas pipelines, water treatment and HVAC systems, chemical processing, power plants, refineries, tank farms and general industrial utilities where quick, reliable manual on/off control is needed on lines up to NPS 10″.

FAQ

What is a lever operated ball valve used for?
It provides fast quarter-turn manual open/close control for on/off service; the lever position gives an at-a-glance open/closed indication, ideal for lines that are operated by hand rather than automated.

Lever vs gear operated ball valve — which should I choose?
Choose a lever operated ball valve for smaller, easily reached lines where hand torque is enough. For larger diameters or higher pressures where hand torque is too high, use a gear operated ball valve that multiplies input force through a gearbox.

Floating vs trunnion ball — which do I need?
Lever operated valves in NPS 2″–10″ use a floating ball seated by line pressure. For very large bore or high-pressure service, a trunnion mounted ball valve with a supported ball is the better choice.

What end connections are available?
Flanged ends to ANSI B16.5 and butt-weld ends to ANSI B16.25; face-to-face dimensions follow ANSI B16.10.

What are the pressure and temperature limits?
Standard range is Class 150–300; the usable temperature depends on the body and seat material (e.g. PTFE seats suit roughly −29°C to +180°C, metal seats go higher).

How can I tell if the valve is open or closed?
The lever points parallel to the pipe when open and perpendicular (90°) when closed — no separate indicator is required.

Class150
Hand lever ball valve

Class300
Hand lever ball valve

API Trim NO.
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