Ensure 100% leak detection accuracy for high-pressure gas systems with Shijiazhuang Enric Gas Equipment Co., Ltd. – ASME, DOT, and CE-certified solutions trusted in 40+ countries.
Detect leaks as small as 1×10⁻⁶ mbar·L/s with our bubble emission test systems, compliant with ISO 9001, PED, and TPED standards.
Get a Free Quote in 24h → Schedule a Live DemoUndetected gas leaks in high-pressure systems can lead to:
Traditional methods like soap solution tests or electronic sniffers often miss micro-leaks or require costly equipment. Our bubble emission leak test systems combine precision, simplicity, and compliance for industrial applications.
Shijiazhuang Enric Gas Equipment Co., Ltd. offers ASME-certified bubble emission leak test systems designed for:
Identifies leaks as small as 1×10⁻⁶ mbar·L/s – 10x more sensitive than standard soap tests.
Meets ISO 9001, PED 2014/68/EU, TPED, ASME Boiler & Pressure Vessel Code, and DOT 49 CFR.
50% lower TCO than electronic leak detectors over 5 years (no calibration or sensor replacement costs).
Field-ready in under 30 minutes – ideal for on-site inspections at LNG terminals, hydrogen refueling stations, or semiconductor fabs.
Local service teams in North America, Europe, and Asia with 24/7 emergency response.
| Parameter | ENRIC-BET1000 | ENRIC-BET2000 | ENRIC-BET3000 |
|---|---|---|---|
| Detection Sensitivity | 1×10⁻⁶ mbar·L/s | 5×10⁻⁷ mbar·L/s | 1×10⁻⁷ mbar·L/s |
| Pressure Range | 0–100 bar | 0–200 bar | 0–300 bar |
| Test Medium | Nitrogen, Air | Nitrogen, Air, Helium | Nitrogen, Air, Helium, Hydrogen |
| Temperature Range | -20°C to +60°C | -20°C to +60°C | -40°C to +80°C |
| Certifications | CE, ISO 9001 | CE, ISO 9001, ASME | CE, ISO 9001, ASME, DOT |
| Weight | 8 kg | 12 kg | 15 kg |
Note: Custom configurations available for OEM/ODM projects. Contact us for bespoke solutions.
Shijiazhuang Enric’s ASME-certified manufacturing facility in Hebei, China
While electronic leak detectors (e.g., helium mass spectrometers) offer high sensitivity, they come with trade-offs. Here’s how our bubble emission systems compare:
| Feature | Bubble Emission Test (ENRIC) | Electronic Leak Detection |
|---|---|---|
| Sensitivity | 1×10⁻⁶ to 1×10⁻⁷ mbar·L/s | 1×10⁻⁸ to 1×10⁻¹⁰ mbar·L/s |
| Initial Cost | $3,000–$15,000 | $50,000–$200,000 |
| Operating Cost | Near zero (no consumables) | High (helium gas, calibration) |
| Field Readiness | ✅ Yes (portable, no power required) | ❌ Limited (requires power, calibration) |
| Environmental Conditions | ✅ Works in dust, humidity, extreme temps | ❌ Sensitive to moisture, temperature |
| Regulatory Acceptance | ✅ Approved for DOT, ASME, PED | ✅ Approved (but often overkill for routine tests) |
| Best For | Field inspections, routine maintenance, high-volume testing | Lab environments, R&D, ultra-high sensitivity needs |
Pro Tip: For hydrogen applications, combine bubble emission tests (for rapid field checks) with electronic detectors (for final validation) to balance cost and accuracy.
Leak testing for Type I-IV cylinders, tube trailers, and refueling stations. Compliant with EC 79/2009 and SAE J2579.
Validation of ultra-high-purity gas delivery systems (UHP nitrogen, argon, helium). Meets SEMI S2/S8 standards.
Pipeline and storage tank inspections. Aligns with API 1175 and 49 CFR Part 192.
Leak detection for reactors, heat exchangers, and ammonia plants. Compatible with ATEX Zone 1/2 environments.
Testing of manifolds, valves, and regulators for oxygen, nitrogen, CO₂, and specialty gases.
Leak testing for LNG carriers, FSRUs, and offshore platforms. Certified for DNV, ABS, and Lloyd’s Register.
Challenge: A major energy provider needed to test 50+ hydrogen dispensers across 12 stations for compliance with SAE J2601.
Solution: Deployed ENRIC-BET3000 systems with on-site training for technicians.
Result:
Our bubble emission leak test systems are fully compliant with international standards, including:
"Enric’s bubble emission test kits reduced our inspection time by 50% while improving detection accuracy. Their ASME certification gave us confidence for our LNG export terminal in Texas."
– Mark Thompson, Safety Manager, Cheniere Energy
"We’ve used Enric’s leak detection systems for 5 years across our European hydrogen refueling network. Zero failures, 100% compliance with EC 79/2009."
– Sophie Dubois, Technical Director, Linde plc
Our ENRIC-BET3000 model detects leaks as small as 1×10⁻⁷ mbar·L/s, equivalent to 0.1 sccm of hydrogen. For comparison, a pinhole (0.1 mm) in a 200-bar system would produce a leak rate of ~1×10⁻⁴ mbar·L/s.
| Method | Bubble Emission | Pressure Decay |
|---|---|---|
| Sensitivity | 1×10⁻⁶ mbar·L/s | 1×10⁻³ mbar·L/s |
| Speed | Instant visual confirmation | Requires 5–30 min stabilization |
| Cost | Low | Moderate (requires pressure transducers) |
| Leak Localization | ✅ Precise (bubbles form at leak site) | ❌ No (only detects total leak rate) |
Yes! The U.S. DOT (49 CFR § 173.34) and EC 79/2009 explicitly approve bubble emission testing for hydrogen systems at pressures up to 700 bar. However, for Type IV cylinders, we recommend combining it with acoustic emission testing for comprehensive validation.
No. Household soap may contain corrosive additives that can damage stainless steel or aluminum components. Our ENRIC-LeakDetect™ solution is:

Standard models ship in 7–10 business days. For custom configurations (e.g., automated test benches, explosion-proof enclosures), lead time is 4–6 weeks. Rush orders available for urgent projects.
Yes! Our 2-day certification program covers:
"We switched from helium leak detectors to Enric’s bubble emission systems for our electrolyzer production line. The savings on helium gas alone paid for the equipment in 6 months. Detection sensitivity is more than sufficient for our 300-bar hydrogen tanks."
Rating: ★★★★★
"The ENRIC-BET2000 passed our TÜV SÜD audit with flying colors. The bubble solution doesn’t evaporate as quickly as competitors’, making it ideal for outdoor testing in windy conditions."
Rating: ★★★★☆
"Enric’s local team in Mumbai provided same-day service when we had an issue with our LNG pipeline testing. Their technicians are ASNT Level III certified, which gave us confidence in their expertise."
Rating: ★★★★★
"We’ve purchased 50+ units for our offshore platforms. The marine-grade stainless steel construction holds up well in saltwater environments. Delivery was on time, and the pricing was 20% lower than European competitors."
Rating: ★★★★★
"The Spanish-language manuals and on-site training in Mexico City made adoption seamless for our team. We now use Enric’s systems for all natural gas pipeline inspections per NOM-002-SEMARNAT standards."
Rating: ★★★★☆
Join 500+ industrial clients worldwide who trust Shijiazhuang Enric Gas Equipment Co., Ltd. for reliable, cost-effective leak detection.
Order before June 30, 2026, and receive:
Europe: Bowen Di – +86 15614368118
North America: Jeremy Wu – +86 15303302613
Global: +86-311-81663811
Europe: dibowen@enricgroup.com
North America: wuzuoliang@enricgroup.com
General: gasequipment@enricgroup.com
Europe: +86 18132059236
North America: +86 13831019831
Click to chat: Europe North America
Address: No. 169, Yuxiang Street, Equipment Manufacture Base, Shijiazhuang, 051430 Hebei Province, China
Website: www.enricgroupsjz.com
Shijiazhuang Enric Gas Equipment Co., Ltd. – A subsidiary of China International Marine Containers (Group) Co., Ltd. | Founded in 1970 | Serving 40+ Countries
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