WGD-800 Ring Stiffness Tester for Pipe Test

Product Description

Applicable Scope:
Designed for mechanical testing of metal, non-metal, composite, and specially shaped pipes with outer diameter ≤ DN600 mm. Supports testing of:

Ring stiffness

Ring flexibility

Flattening (compression)

Uniform load

Creep ratio (1000h)

Deflection level, and more

Applicable Standards

Compliant with the following standards:
GB/T 16491, GB/T 2611, JJG 139, JJG 475, GB/T 9647, GB/T 18042, GB/T 18477.1~3, GB/T 21238, CJ/T 270, JT/T 529, JG 225, GB/T 18742.1, GB/T 2918, GB/T 8806, GB/T 19472.1~2, EN 13476-1, ISO 9969, etc.
(Covers mechanical property testing and general technical requirements for plastic and composite pipes.)

Product Features

High Rigidity Structure:
Gantry-style frame with high-strength guide shafts ensures test stability.

Precision Transmission:
Servo motor + ball screw + timing belt drive ensure precise crossbeam movement.

High-Accuracy Measurement:
Equipped with Class 0.5 spoke-type or S-type sensors. Supports extensometers, displacement transducers, and multi-mode deformation measurement.

Intelligent Control:
Full digital closed-loop control system with built-in standard test methods. Supports data storage, export, and networking.

User-Friendly Design:
Quick-lock interchangeable fixtures, caster wheels and adjustable feet for easy positioning, modular control box for simplified maintenance.

Safety Protection:
Overload, limit, overcurrent/overvoltage protection, emergency stop switch, audible and visual alerts for running status.

Technical Specifications

Item	Specification
Maximum Test Force	50 kN
Accuracy Class	Class 0.5 (±0.5% load/deformation accuracy)
Force Resolution	1/±500,000 FS (constant throughout the range)
Deformation Measurement Range	0.2% – 100% FS
Control Rate Range	Force/Deformation: 0.005% – 5% FS/s; Displacement: up to 500 mm/min (±0.2% accuracy)
Constant Control Accuracy	0.5% – 100% FS: ±0.5% (≥10% FS); ±1% (<10% FS)
Effective Test Span	800 mm
Crossbeam Stroke	1200 mm (internal deformation measurement range: 50–1000 mm)
Power Supply / Power	220V ±10%, 50 Hz, 750 W (requires grounding)
Dimensions	Mainframe: 1100 × 600 × 2200 mm; Control Cabinet: 700 × 600 × 750 mm
Weight	Mainframe: ~800 kg; Control Cabinet: ~30 kg