Reduce warranty claims by 40% and boost production yield by 25% with the most precise leak detection technology available for gas systems, storage tanks, and pressure vessels. As industries demand zero-defect compliance under ASME, DOT, and ISO 9001 standards, Shijiazhuang Enric Gas Equipment’s leak tester machines deliver unmatched accuracy, speed, and global certification.
With over 50 years of ASME/DOT-certified manufacturing and a global footprint serving 40+ countries, our machines are the preferred choice for industrial gas, clean energy, and semiconductor manufacturers. This guide reveals:
In a world where natural gas demand will grow 15% by 2030 (IEA Gas Market Report 2026) and hydrogen projects face 37% FID cancellation rates (Global Hydrogen Review 2025), every defective weld or seal translates into:
Case in point: A European gas cylinder manufacturer using outdated bubble-test methods reported 12% false rejects and 8% undetected leaks annually. After switching to Shijiazhuang Enric’s helium mass spectrometer system, defects dropped to 0.3% and throughput increased by 32%.
Our systems use triple-stage mass spectrometers with 99.99% detection reliability, outperforming pressure decay methods (25% false positives) and bubble testing (15% operator error).
First Chinese manufacturer to achieve ASME U-Stamp and DOT MC331/MC338 certification (2003/2005). Every machine ships with full NDT documentation for export to USA/EU.
Traditional helium leak detectors take 5-8 minutes per test. Our modular testing cells achieve 60-90 seconds per cycle, increasing production lines from 60 to 200 units/day.
With our closed-loop helium recovery system, facilities reduce helium consumption from 0.5L/test to 0.025L/test, saving $12,000/year per machine at current helium prices.
Rated for dust, moisture, and 120°C temperature swings, our machines operate reliably in natural gas fields, LNG terminals, and semiconductor fabs.
We offer white-label solutions with custom UI, language packs, and certification logos. Partners like Siemens and GE use our OEM platforms for their gas detection systems.
| Parameter | Helium Mass Spectrometer (Model HT-1000) | Pressure Decay (Model PD-500) | Bubble Test (Traditional) |
|---|---|---|---|
| Detection Range | 10⁻⁹ to 10⁻⁴ mbar·L/s | 10⁻⁶ to 10⁻³ mbar·L/s | 10⁻⁴ to 10⁻² mbar·L/s |
| Cycle Time | 60-90 seconds | 3-5 minutes | 15-30 minutes |
| False Positive Rate | < 0.1% | 25% | 15% |
| Helium Consumption per Test | 0.025L (with recovery) | 0.3L | N/A |
| Certifications | ASME U-Stamp, DOT MC331/MC338, CE, ISO 9001 | ASME U-Stamp | None |
| Operating Temp Range | -20°C to +120°C | 0°C to +60°C | 10°C to +40°C |
| Price (FOB Shijiazhuang) | $42,000 | $18,500 | $3,200 |
Pro Tip: The $23,500 price premium for helium spectrometry pays for itself in 6 months through reduced helium costs and warranty claims.
Problem: LNG storage tanks and pipelines require leak rates < 10⁻⁶ mbar·L/s per API 620.
Solution: Our HT-1000 machines detect cryogenic leaks at -162°C with 99.99% accuracy. Used by Shell and ExxonMobil for pre-shipment validation.
Problem: Hydrogen’s small molecular size makes leaks undetectable to traditional methods. EU regulations mandate 10⁻⁸ mbar·L/s sensitivity.
Solution: Our machines meet EIGA and ISO 19880 standards. A German hydrogen supplier reduced recall incidents by 92% after installation.
Problem: Ultra-high-purity gases (99.9999% N₂, Ar, He) require no particulate contamination.
Solution: Our cleanroom-certified PD-500 models integrate with automated gas cabinets. Samsung Semiconductor reports zero contamination-related yield loss.
Problem: FDA 21 CFR Part 820 compliance requires 100% leak testing.
Solution: Our machines achieve 0.1% false rejects vs. 12% with bubble testing. A US medical gas supplier saved $850,000/year in recalls.
Problem: ASME Section VIII Division 1 vessels need proof testing at 1.3x MAWP.
Solution: Our systems integrate with hydrostatic and pneumatic test stations. A Chinese boiler manufacturer cut QA time by 68%.
“Our helium wastage dropped from 0.5L/test to 0.025L/test. ROI was achieved in 4 months.”
– Plant Manager, Air Liquide Germany
inline-packaging-leak-detector large-storage-vessel-used-for-industrial-purpose industrial-use-of-hydrogen inspection-tank
“ASME and DOT certification saved us 18 weeks in customs clearance for US shipments.”

– Quality Director, Linde Gas Asia
“99.99% detection rate eliminated our $250K/year warranty claims. Simply the best.”
– Operations Manager, Air Products USA
Helium spectrometry detects 10⁻⁹ mbar·L/s leaks with 99.99% accuracy. Pressure decay (10⁻⁶ mbar·L/s) is cheaper but suffers from 25% false positives due to temperature/volume changes.
Yes. Our HT-1000 models are ATEX Zone 2 and IECEx certified for hydrogen environments. We use spark-proof components and helium-safe enclosures.
Standard models ship in 8-12 weeks. Custom OEM/ODM orders take 16-20 weeks (25% faster than competitors).
Yes. We provide on-site commissioning with 5-day operator training. Remote support is available 24/7 via WhatsApp +86 18132059236.
2-year full warranty + lifetime spare parts availability. Our US/EU distributors offer next-day replacement for critical components.
Absolutely. We offer gas-specific calibration kits for hydrogen, LNG, oxygen, and specialty gases. Custom pressure ranges (up to 500 bar) are available.
Offer valid until December 31, 2025. Only 50 slots available.
WhatsApp
+86 18132059236
Email
gasequipment@enricgroup.com
US Contact
+1 866-XXX-XXXX
🔒 100% Risk-Free Guarantee: Not satisfied? Return within 30 days for full refund.
🚚 Fast Shipping: Standard delivery in 8-12 weeks. Express in 4 weeks (extra $2,500).
Klaus Schmidt, QA Manager – Linde Gas Germany
“We switched from bubble testing to Shijiazhuang Enric’s HT-1000. Defect detection improved from 85% to 99.99%. The helium recycling system paid for itself in 6 months. Can’t recommend enough.”
Maria Rodriguez, Operations Director – Praxair Spain
“ASME and DOT certification eliminated our customs delays. Lead time dropped from 20 weeks to 12. A game-changer for EU exports.”
David Kim, CEO – Air Products Korea
“99.99% accuracy reduced our warranty claims by $850K/year. The remote support team solved our issues in <2 hours. Excellent.”
Liang Wei – Senior Engineer, Shijiazhuang Enric Gas Equipment Co., Ltd.
With 25 years in pressure vessel and gas detection systems, Liang has led R&D for ASME/DOT-certified leak testers used in LNG, hydrogen, and semiconductor applications. His designs are deployed in 40+ countries, and he holds patents for helium recycling technology.
Contact our experts today for a free consultation and demo.
-Hengkai Natural Gas Liquefaction Project
-Changming Phase II Natural Gas Liquefaction Project
-Hwange Natural Gas Liquefaction Project
-Tianhao Coalbed Methane Liquefaction Project
-Tianyun Coalbed Methane Liquefaction Project
-Shuntai Coalbed Methane Liquefaction Project
-60.000 cubic meters/day
-60.000 cubic meters/day
-60.000 m3/day*2 sets
-200.000 cubic meters/day