Valve Torsion Testing Machine
Category：Torsion Testing Machine
Introduction
The Valve Torsion Testing Machine, also known as a Valve Actuator Torsion Testing Machine, is mainly used for testing automatic valves and actuated valves, including ball valves, butterfly valves, gate valves, safety valves, globe valves, control valves, pressure reducing valves, throttle valves, and other valve products.
The tested specimen is installed between fixtures with adjustable spacing, allowing the machine to accommodate torsional mechanical performance testing of different specimens.
The Valve Actuator Torsion Testing Machine uses computer-controlled operation and can collect torque, peak torque, angle, curve, and other test data. The display shows torque-time, torsion angle-time, and torque-torsion angle curves. Test data can be stored, retrieved, and printed as test reports.
Application
The Valve Torsion Testing Machine is mainly used for:
(1) Automatic valve torsion testing
(2) Valve actuator torsion testing
(3) Ball valve testing
(4) Butterfly valve testing
(5) Gate valve testing
(6) Safety valve testing
(7) Globe valve testing
(8) Control valve testing
(9) Pressure reducing valve testing
(10) Throttle valve testing
Standards
GB/T 2611 — General Requirements for Testing Machines
Parameters
| Parameter | Specification |
|---|---|
| Maximum Torque | 20, 50, 100, 200, 300, 500, 1000, 2000, 5000, 10000 N·m |
| Testing Machine Class | Class 0.5 / Class 1 |
| Torque Measurement Range | 1%–100% FS |
| Angle Resolution | 0.01° |
| Torque Loading Direction | Bidirectional loading |
| Torsion Speed Control Range | 0.1–720°/min, customizable |
| Torque Resolution | 1/±300000 |
| Angle Measurement Range | 0–±99999° |
| Test Travel | 300–1000 mm, customizable |
| Indication Repeatability Error | < 0.5% |
| Torque Indication Error | < ±0.5% / < ±1% |
| Loading Method | Fully automatic |
| Torsion Angle Indication Error | < ±0.5% |
| Equipment Weight | Approx. 300 kg |
| Torsion Fixtures | To be discussed according to requirements |
| Completeness | Complies with standard requirements |
| Appearance | Complies with GB/T 2611 requirements |
| Power Supply | 220 V, 50 Hz |
| Protection Function | Overload protection |
| Applicable Products | Automatic valves and actuated valves, including ball valves, butterfly valves, gate valves, safety valves, globe valves, control valves, pressure reducing valves, and throttle valves |
Features
(1) Valve-Specific Testing – Designed for torsion testing of automatic valves and actuated valves.
(2) Wide Torque Range – Conventional equipment covers maximum torque capacities from 20 N·m to 10000 N·m, with customization available.
(3) Bidirectional Loading – Supports torque loading in both directions.
(4) Computer-Controlled Operation – The system collects and processes torque, peak torque, angle, and curve data.
(5) Multiple Curve Display – The software can display torque-time, torsion angle-time, and torque-torsion angle curves.
(6) Fully Automatic Loading – The supplied configuration uses fully automatic loading.
(7) Adjustable Test Travel – Test travel is 300–1000 mm and can be customized.
(8) Overload Protection – The testing machine is equipped with an overload protection function.
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