MHV-HB300/37.5-S Horizontal Clamp-Type Valve Test Bench

product introduction

The MHV-HB300/37.5-S Horizontal Claw Clamp Valve Test Bench is a dedicated valve pressure testing machine designed for hydrostatic strength and sealing performance tests on industrial valves with flange connections. With a horizontal “claw clamp” holding structure and integrated hydraulic/electrical control, this bench supports stable hydrostatic test workflows for DN80–DN300 valves in manufacturing and inspection environments.

It is engineered for practical workshop testing where fast clamping, secure sealing, and repeatable pressure verification are required—making it a reliable choice for valve manufacturers and inspection stations performing routine valve test and quality control.

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Product Description

This valve test bench integrates hydraulic clamping, electrical control, and high/low pressure test water supply into a single station. The horizontal layout supports convenient loading and positioning of DN80–DN300 flange valves.

The bench adopts a claw clamp structure to press and fix the valve at the flange end face. The clamping mechanism drives the fixture movement to achieve accurate positioning without introducing external force that could affect sealing evaluation. The right-side worktable supports 90° rotation, improving accessibility for sealing and tightness verification operations. The worktable can also move left and right to adapt to different valve face-to-face lengths.

MHV-HB300/37.5-S Horizontal Clamp-Type Valve Test Bench

Category	Item	Specification
General	Product Type	Horizontal Claw Clamp Valve Test Bench
General	Model	MHV-HB300/37.5-S
General	Valve Size Range	DN80–DN300 (80–300 mm)
General	Max Test Pressure	37.5 MPa
Test	Test Medium	Water
Test	Low Pressure Test	4–7 bar (low-pressure sealing / air-tightness test condition as specified)
Sealing	Valve–Blind Plate Sealing	End-face O-ring sealing
Worktable	Valve Length Range	203–750 mm
Worktable	Flange Outer Diameter Range	190–520 mm
Worktable	Flange Thickness Range	20–83 mm
Motion	Worktable Rotation	Right-side 90° rotation
Motion	Worktable Width Range	250–1100 mm
Clamping	Max Clamping Force	100 tons
Clamping	Clamp Cylinder (Left/Right)	3 × Ø140 mm

Valve Size	Nominal Pressure Range	Test Pressure Range
DN80	1.6–25.0 MPa	1.6–37.5 MPa
DN100	1.6–25.0 MPa	1.6–37.5 MPa
DN150	1.6–20.0 MPa	1.6–30.0 MPa
DN200	1.6–10.0 MPa	1.6–15.0 MPa
DN250	1.6–10.0 MPa	1.6–15.0 MPa
DN300	1.6–4.0 MPa	1.6–9.6 MPa

Product Features and Functions

Horizontal claw clamp structure for fast and stable positioning of flange valves
End-face O-ring sealing between valve and blind plate, suitable for standard sealing requirements
High/low pressure test capability supporting common hydrostatic and sealing workflows
Worktable right-side 90° rotation, improving accessibility and operation efficiency
Worktable left–right movement to adapt to different valve lengths without re-fixturing
Integrated station design combining hydraulic system, electrical control, and pressure circuits
Suitable for multiple valve categories and sealing/strength inspection tasks

Product Advantages

Stable and repeatable valve pressure testing for DN80–DN300 valves
High clamping capacity (100 tons) for secure holding during hydrostatic testing
Wide mechanical adaptability across valve lengths, flange diameters, and flange thickness ranges
Practical sealing design (end-face O-ring) to meet most workshop sealing test requirements
Operator-friendly workflow with rotation + movement functions to reduce handling time
Suitable for continuous QC operations in valve factories and inspection workshops

Our Company Strength

Highlight is a professional manufacturer focused on pressure testing and fluid control equipment. Our capabilities support both standard production and project-based customization:

16+ years of experience in pressure testing equipment and boosting systems
Annual production capacity: 1000+ sets of equipment
8000+ customers served
Strong engineering team for testing system integration and configuration support
Export experience supporting developed markets and international buyers
ISO9001-based quality management and stable manufacturing process

Clamping & Worktable Design Logic

To improve repeatability and operational efficiency, the MHV-HB300/37.5-S uses a combined mechanical structure:
Claw clamp pressing on flange end face: reduces the influence of external forces on sealing evaluation and improves stability during high-pressure tests.
Left–right synchronized fixture movement: supports precise positioning and reduces setup time across different valve sizes.
90° rotatable right-side worktable: enhances accessibility for sealing checks and operational handling.
Wide mechanical compatibility: supports valve length 203–750 mm, flange OD 190–520 mm, and flange thickness 20–83 mm, making it suitable for a broad range of DN80–DN300 flange valve formats.

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