Pneumatic Strength Test Machine / H2-PSTM-1050 / H2-PSTM-3000 / ISO 12619 Part 7 & Part 14 · AIS-157 / Noida · India 2026 · Product Page

Pneumatic Strength Test Machine

Gas strength. Verified safe.

Automated PLC-controlled pneumatic strength test machine for hydrogen fuel-system gas injectors/fuel rail assemblies and flexible fuel lines. Blast-resistant enclosed chamber, controlled ramp to 2×NWP, 3-minute hold, failure mode capture and traceable reporting — aligned with ISO 12619 Part 7 and Part 14, AIS-157.

Request proposal Specifications

Pneumatic Strength Test Machine — hydrogen component pneumatic strength test — Neometrix

Fig · 01H2-PSTM — pneumatic strength test machine with blast-resistant chamber

Standard Pressure

1050bar

HP Variant

3000bar

Hold Pressure

2×NWPmin. 3 min

Accuracy

±0.25% FS

Medium

DryAir / N2

Overview

Pressure containment. Confirmed.

The Pneumatic Strength Test Machine validates whether selected hydrogen fuel-system components can safely withstand specified gas pressure loading without rupture, unsafe deformation or unacceptable leakage. The machine applies controlled pneumatic pressure, holds for a defined duration, and then gradually increases pressure to observe leakage/failure mode and capture pressure-time data.

Pneumatic Strength Test Machine — detail view 2

Fig · 02 Blast-resistant test chamber — observation window and interlocked access door

Compressible gas means higher stored energy — blast-resistant chamber and remote operation are mandatory.

Pneumatic testing uses compressible gas and stores significantly higher energy than hydrostatic testing. The machine uses a blast-resistant test chamber, remote operation from HMI, controlled filling rate, relief protection and automatic depressurisation to manage stored-energy risk.

Components covered: Gas injector/fuel rail assembly (ISO 12619 Part 7) and flexible fuel line/hose assembly (ISO 12619 Part 14). Other components are outside this machine scope unless specifically integrated by customer requirement.

Test medium: Dry compressed air as per requirement; dry nitrogen/inert gas option for enhanced safety. Hydrogen gas is not the default medium for pneumatic strength tests unless specifically required and the machine is designed with complete hydrogen hazardous-area controls.

NWP basis: 350 bar / 700 bar class components. Final machine pressure rating confirmed from approved test matrix and highest component NWP before procurement.

Key Features

Engineering highlights.

Feature · 01

Blast-Resistant Test Chamber

Heavy-duty guarded enclosed chamber suitable for pneumatic stored-energy risk. Chamber design finalised per pressure and specimen volume. Automatic door interlock: pressure generation inhibited if door is open or locking status is unhealthy.

Blast-Resistant · Door Interlock · Guarded

Feature · 02

Controlled Filling Rate

Restrictor and programmable ramp to avoid sudden energy release and pressure overshoot. Typical 5 to 100 bar/min or as per customer recipe. Dual pressure measurement: control transducer plus master gauge.

Restrictor · Programmable Ramp · Dual Pressure

Feature · 03

2×NWP Hold and Failure Capture

Pressurize to 2×NWP under controlled ramp; hold for not less than 3 minutes; then increase to maximum pressure. Peak pressure, pressure-time graph, failure/leakage mode and chamber status captured.

2×NWP Hold · 3-Min Minimum · Failure Capture

Feature · 04

Remote HMI Operation

Operator performs all pressurisation from HMI outside direct hazard zone. CCTV provision recommended. Signal tower visible indication. Automatic depressurisation on test completion, E-stop or interlock failure.

Remote HMI · CCTV-Ready · Auto-Vent

Feature · 05

Component-Specific Fixtures

Sealed inlet/outlet adapters for gas injector/fuel rail; bend-radius support, guarded hose restraint and burst containment for flexible fuel lines. Anti-whip restraint and full-length containment for hose assemblies.

Injector Fixture · Hose Restraint · Anti-Whip

Feature · 06

Traceable Reporting

Automatic PDF/Excel/CSV report with sample ID, component type, standard reference, pressure set points, hold time, peak pressure and pass/fail result. Operator ID, date/time and calibrated instrument ID stored.

PDF · Excel · Sample ID · Traceable

Gallery

Product views.

Pneumatic Strength Test Machine — view 1

Pneumatic Strength Test Machine — view 2

Pneumatic Strength Test Machine — view 3

Fig · Gallery3-view photo documentation — Pneumatic Strength Test Machine

Specifications

Technical parameters.

Catalogue Model	H2-PSTM-1050 / H2-PSTM-3000 Custom Pressure Variant
Applicable Components	Gas injector / fuel rail and flexible fuel line as per ISO 12619 Part 7 and Part 14
Test Medium	Dry compressed air; dry nitrogen / inert gas optional
NWP Basis	350 bar / 700 bar class components
Pressure Hold Requirement	2 × NWP for at least 3 minutes
Standard Machine Pressure Range	0 to 1050 bar
High-Pressure Variant	0 to 3000 bar for full 700 bar × 4 pressure factor coverage
Pressure Accuracy	±0.25% F.S. or better
Pressure Ramp	Programmable; typical 5 to 100 bar/min
Test Cycle Time	Typically 10 to 30 minutes per specimen
Control System	PLC + 15″ HMI with recipe, pressure control, interlock and status display
Data Acquisition	High-speed pressure recording with operator ID, sample ID, peak pressure, hold duration and pass/fail
Report Output	Automatic PDF / Excel / CSV with pressure-time graph and traceability
Standards	ISO 12619 Part 7, ISO 12619 Part 14, AIS-157

Applications

Where it applies.

01Gas injector / fuel rail pneumatic strength validation

02Flexible fuel line and hose assembly pressure containment testing

03ISO 12619 Part 7 and Part 14 type approval support

04AIS-157 compliance testing for hydrogen components

052×NWP hold and gas-tightness confirmation

06Failure mode verification under controlled pressure increase

07R&D validation and component development qualification

08Production batch pneumatic strength verification

09ICAT hydrogen fuel-system component qualification

In Depth

The complete technical read.

Fig · 03 PLC/HMI control cabinet with live pressure-time graph display and signal tower

Detailed Operating Sequence

Install the gas injector/fuel rail or flexible fuel line in the dedicated fixture with correct adapters, end caps and restraints. Close test chamber and verify door interlock, E-stop, pressure relief, vent line, gas supply and PLC safety status. Purge test volume with dry air/nitrogen if required. Pressurize to 2×NWP under controlled ramp rate. Hold at 2×NWP for not less than 3 minutes and record pressure stability and gas-tightness. Increase pressure gradually to defined maximum or until leakage/burst behaviour is observed. Capture peak pressure, pressure-time graph, failure/leakage mode and all alarm events. Automatically depressurize through controlled vent/dump circuit. Confirm safe zero-pressure before door opening. Generate test report.

Pressure Class Selection Guide

Component NWP	2×NWP Hold Pressure
350 bar	700 bar → 1050 bar machine (or 1500 bar class if 4×NWP is required)
700 bar	1400 bar → 3000 bar class variant for full 4×NWP coverage

FAQ

Common questions.

Q01 Why is hydrogen not the default test medium?

Hydrogen gas as a pneumatic test medium stores very high energy and requires complete hazardous-area controls. Dry compressed air or dry nitrogen achieves the same structural validation at lower risk for standard pneumatic strength testing.

Q02 What is the required hold pressure and duration?

The component must withstand 2×NWP for a minimum of 3 minutes while remaining gas-tight. Pressure is then increased gradually to the maximum defined by the standard or test recipe.

Q03 What is the standard machine pressure range?

0 to 1050 bar for the standard model. A 0 to 3000 bar variant is available for full 4×NWP coverage of 700 bar class components.

Q04 What fixture is required for flexible fuel lines?

End fittings, bend-radius support, guarded hose restraint and burst containment. Anti-whip restraint and full-length containment are required for flexible fuel line assemblies.

Q05 Can the tested sample be reused?

Destructive-test samples shall not be used for any other qualification test unless specifically allowed by the approved test procedure.

Q06 Who manufactures this machine?

Neometrix Engineering Pvt Ltd, Noida, India.

Ready to configure your system?

Discuss your test requirements, component scope, pressure range, standard alignment and delivery schedule with our engineering team.

Request Proposal All Products

Call us +91-7777-876-876

Gas strength. Verified safe.

Pressure containment. Confirmed.

Engineering highlights.

Blast-Resistant Test Chamber

Controlled Filling Rate

2×NWP Hold and Failure Capture

Remote HMI Operation

Component-Specific Fixtures

Traceable Reporting

Product views.

Technical parameters.

Where it applies.

The complete technical read.

Detailed Operating Sequence

Pressure Class Selection Guide

Common questions.

Ready to configure your system?

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