Custom Valve Stems for Ball, Gate and Butterfly Valves

Release time:

2026-05-26

Custom valve stems are used in ball valves, gate valves, butterfly valves and check valves. Learn key factors including material, machining accuracy and surface treatment.

QFL-Ball valve stem

Custom Valve Stems for Ball, Gate and Butterfly Valves

The valve stem is a key transmission part in many industrial valves. It connects the actuator, handwheel or gearbox with the internal valve component, helping transfer torque or linear movement during valve operation.

Because valve structures vary, many valve stems need to be customized according to drawings, valve type, material requirements and connection dimensions.

Common Valve Stem Types

Ball valve stems are designed to transfer torque to the ball and provide reliable rotation. Gate valve stems usually work with linear lifting movement. Butterfly valve stems are used to connect the disc and actuator or gearbox, while check valve stems may be designed for special internal structures.

Each type has different requirements for strength, dimensional accuracy and surface quality.

Material Selection

Stainless steel and alloy steel are commonly used for valve stems. Materials such as F304, F316, SS431 and SS630 may be selected according to corrosion resistance, strength and working environment. The final material should match the medium, temperature and pressure conditions of the valve.

Machining Accuracy

Valve stems often include threads, keyways, splines, flats or special connection shapes. Accurate machining helps ensure smooth assembly and stable operation. Poor dimensional control may lead to leakage, difficult operation or premature wear.

Surface Treatment

Surface treatment can improve wear resistance, corrosion resistance or appearance. Depending on the design, polishing, chrome plating, galvanizing, heat treatment or other processes may be considered.

Why Custom Manufacturing Matters

For valve manufacturers, a reliable custom valve stem supplier can help reduce assembly problems and support different product lines. Drawings, samples and technical specifications are useful for confirming dimensions, tolerances, material and surface requirements.

Jinan Wanshun Machinery provides custom valve stems and valve accessories for ball valves, gate valves, butterfly valves and check valves. OEM customization is available based on buyer requirements.