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WAW Series Micro‑Electro‑Hydraulic Servo Universal Testing Machine (Single‑Space Push‑Pull Fixture)

The WAW-DP micro‑electrohydraulic servo universal testing machine (with a single‑space push‑pull fixture) is a high‑precision materials testing instrument that employs a hydraulic power source, electrohydraulic servo control technology, and computer‑based data acquisition and processing, enabling closed‑loop control and automated testing.

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Electro-hydraulic Universal Testing Machine Series

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lbt@lbt.ltd

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+86-15102211717

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WAW Series Micro‑Electro‑Hydraulic Servo Universal Testing Machine (Single‑Space Push‑Pull Fixture)

Description

Product Introduction:

The WAW-DP micro‑electrohydraulic servo universal testing machine (with a single‑space push‑pull fixture) is a high‑precision materials testing device that employs a hydraulic power source, electrohydraulic servo control technology, and computer‑based data acquisition and processing. It supports closed‑loop control and automated testing. The system comprises four main components: the testing frame, the oil supply unit (hydraulic power source), the measurement and control system, and the test fixtures. Its maximum test force is 1500 kN, and its accuracy class exceeds Grade 1.

The WAW-DP micro‑electromechanical hydraulic servo universal testing machine (with a single‑space flat‑piston clamp) meets all standard test requirements for metallic tensile testing. It can also perform tensile, compressive, shear, and cyclic tension–compression tests on various materials and products in accordance with other standards. It determines key material properties such as tensile strength, yield strength, specified proof stress, elastic modulus, and residual strain. The system supports closed‑loop control modes including constant‑rate loading, constant‑rate deformation, constant‑rate displacement, and constant‑rate strain, and is suitable for conducting process‑qualification and performance‑verification tests on materials and products.

This testing machine features a four‑column, single‑space configuration with the hydraulic cylinder mounted on top. The main hydraulic cylinder is a double‑acting differential cylinder, enabling bidirectional tension and compression control within a single test space. Hydraulic‑controlled parallel‑jaw grips are mounted on the upper and lower crossbeams; standard models are equipped with V‑shaped and flat‑type grips for clamping cylindrical and flat specimens during tensile testing.

The hydraulic flat‑push clamping fixture of this testing machine is equipped with high‑precision, synchronized pressure‑compensated flow control valves on all four hydraulic cylinders. These self‑regulating flow control valves ensure that each pair of clamping pistons extends in perfect synchrony, unaffected by the individual cylinder’s internal resistance. By leveraging the gripping capability of the jaws, the system can perform bidirectional zero‑crossing tension–compression tests on materials, delivering high testing efficiency and enabling repeated tension–compression cycling under high stress and large strains for rebar connections.

The design of this testing machine’s main frame takes into account the possibility of retrofitting additional fixtures to perform a wider range of tests. For example, by equipping it with a bolt‑clamping fixture, it can conduct tensile and sustained‑load tests on bolts; with a shear‑clamping fixture, it can carry out shear‑strength tests on round bars; furthermore, by adding fixtures for steel balls, anchor chains, fasteners, and other components, it can readily accommodate all required test procedures for these products.

This testing machine and its accessories comply with the requirements of standards including GB/T 1499.2, GB/T 228, GB/T 2611, GB/T 16826, JGJ 107-2016, and JGJ 355-2015.

Technical specifications:

Specification Model	WAW-300DP	WAW-600DP	WAW-1000DP	WAW-1200DP	WAW-1500DP
Maximum test force (kN)	300	600	1000	1200	1500
Testing machine class	Level 1 (0.5 level)	Level 1 (0.5 level)	Level 1 (0.5 level)	Level 1 (0.5 level)	Level 1 (0.5 level)
Maximum tensile spacing (mm)	700	720	700	700	750
Piston stroke (mm)	700	670	700	670	700
Column Spacing (mm)	590	620	650	650	700
Clamping diameter of round specimen (mm)	φ10-φ32	φ13-φ40	φ14-φ45	φ14-φ45	φ16-φ50
Thickness of flat specimen clamping (mm)	0-40	0-50	0-50	0-50	0-50
Host external dimensions (mm)	840×640×2800	920×680×2900	980×750×3400	1020×760×3400	1200×850×3800
Host weight (kg)	3000	3500	5000	5500	7500

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FAQs

Do you supply full-set testing instruments for asphalt and geotechnical engineering projects?

We offer complete lab solutions including asphalt viscosity tester, asphalt rutting tester, geotextile permeability tester, low-temperature flexibility tester and concrete/cement test equipment, covering raw material detection for road, water conservancy and construction engineering projects

Can you customize fixtures or test machines based on our special test requirements? How about after-sales service and warranty?

We provide non-standard customization of test equipment and customized fixture clamps according to customers’ specimen size and test standards. All our testing machines enjoy 12-month factory warranty; overseas customers get remote online debugging guidance, spare parts supply and technical operation training. Our products have been exported to over 70 countries globally

Which materials can be measured by your Vicat softening point tester?

It measures heat deflection temperature and Vicat softening temperature of plastics, hard rubber, nylon, insulating materials and fiber-reinforced thermosetting composites. Intelligent temperature control guarantees precise heating rate, ideal for plastic raw material incoming inspection and formula development in plastic factories.

Does your pipe pressure burst testing machine control test temperature automatically? What’s its main application?

Yes, the constant-temperature circulating system keeps stable test environment during long-time hydrostatic resistance and instant burst pressure measurement of thermoplastic pipes. It complies with GB6111 standard and serves raw material inspection, new product R&D for plastic pipe manufacturers, third-party testing labs and university laboratories.

What kinds of pipes fit your ring stiffness tester? Can it do long-term creep testing?

This equipment is designed for HDPE, PVC corrugated pipes, plastic drainage pipes and various plastic tubular products. Apart from ring stiffness, ring flexibility and flattening tests, it supports continuous long-term creep tests up to 1000 hours (42 days) as required by industry specifications, widely used for pipe factories and construction quality inspection institutes.

What test items can your WDW series computer-controlled electronic universal testing machine complete? Which international standards can it meet?

Our WDW universal tester is applicable for tension, compression, bending, shearing and peeling tests of metal, plastic, rubber and composite materials. It supports test procedures in accordance with GB, ISO, ASTM, DIN, JIS multiple domestic and global standards. Equipped with high-precision servo drive and dedicated test software, it automatically collects, calculates and exports test data including tensile strength, elongation at break and elastic modulus.

Customer Reviews

European Plastic Pipe Manufacturer｜Purchase: Ring Stiffness & Hydrostatic Burst Tester

From Thomas Bennett, Quality Director, UK plastic pipe factory

2026.06.05

★★★★★

“We have purchased two sets of pipe testing equipment from Laibote (Tianjin) for 18 months. The ring stiffness and hydrostatic burst testing machines run stably for daily batch inspection, test data matches ISO standard requirements precisely, and the intelligent test software is easy for our operators to master. Their after-sales team offers timely remote technical guidance whenever we have operational problems, spare parts supply is efficient. We have arranged a second bulk order for our new production workshop and will recommend Laibote’s testing machines to our industry partners across Europe.”

Middle East Construction Lab｜Purchase: Universal Electronic Testing Machine & Geotextile Test Equipment

From Mohamed Kareem, Lab Manager, UAE third-party construction inspection institute

2026.06.05

★★★★★

“We compared multiple testing equipment brands from Europe and China before cooperating with Laibote. Their WDW universal tester and full-set geotextile testing instruments meet local construction testing standards perfectly. Custom fixtures tailored per our specimen specifications save much testing time. Pre-sale technical communication was patient and professional; engineers provided online operation training after goods arrived. Stable machine performance greatly improves our laboratory’s detection efficiency, we are satisfied with cost performance and overall service.”

Southeast Asia Rubber & Polymer Factory｜Purchase: Vicat Softening Point & Tensile Testing Machine

From Tanaka Hiroshi, R&D Supervisor, Indonesia rubber materials enterprise

2026.06.05

★★★★★

“Laibote’s Vicat softening point tester and electronic tensile machine have been applied to our raw material incoming inspection and new formula development for over one year. High testing accuracy effectively controls our product defect rate. What impresses us most is their responsive after-sale service; technical staff reply our troubleshooting requests within 24 hours even for time zone differences. Compared with expensive European brands, Laibote’s equipment balances quality and price excellently, we plan to expand procurement of auxiliary testing instruments next quarter.”

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WAW Series Micro‑Electro‑Hydraulic Servo Universal Testing Machine (Single‑Space Push‑Pull Fixture)

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