Industrial Acetylene Storage Cylinder
Engineered for industrial gas distribution networks and heavy-duty oxy-fuel cutting operations, our acetylene cylinders feature a high-density, monolithic calcium silicate porous mass. Each unit is manufactured to meet DOT-8AL and ISO 3807 compliance, ensuring gas stability and structural integrity under rigorous industrial duty cycles.
Technical Specifications
|
Parameter |
Specification |
|
Compliance Standards |
DOT-8AL / ISO 3807 / EN 1801 |
|
Material |
HP295 / ISO 9809-1 Grade Killed Carbon Steel |
|
Water Capacity |
40L (Customizable: 10L - 60L) |
|
Operating Pressure |
2.5 MPa (at 15 degrees C) |
|
Burst Test Pressure |
5.2 MPa |
|
Porous Mass Type |
Monolithic Calcium Silicate (>= 90% porosity) |
|
Solvent Type |
Acetone (DMF available per engineering request) |
|
Valve/Neck Thread |
PZ 27.8, W28.8, or 3/4-14NGT |
Manufacturing & Quality Control
Structural Shell Integrity
• Material Selection: High-purity, hot-rolled killed steel plates. Every batch undergoes ultrasonic testing (UT) to detect and reject plates with internal laminations or inclusions.
• Cold Deep-Drawing: Controlled forming process ensures uniform wall thickness distribution, critical for stress distribution during repetitive pressure cycling.
Monolithic Porosity Control
• Hydrothermal Curing: The calcium silicate matrix is cured in a precise hydrothermal environment. This creates a stable, non-settling structure that maintains consistent gas absorption channels and prevents the formation of hazardous free acetylene pockets.
Welding & Stress Relief
• Precision Joining: Longitudinal and circumferential seams are joined via automated submerged arc welding (SAW) for consistent penetration.
• Thermal Treatment: Every shell undergoes post-weld heat treatment (PWHT) to eliminate residual manufacturing stresses, significantly increasing fracture toughness.
Mandatory Testing Protocol
Each production lot is subjected to:
• Hydrostatic Pressure Test: Verification of permanent volumetric expansion limits at 5.2 MPa.
• Destructive Burst Testing: Batch sampling to validate safety coefficients exceed regulatory requirements.
• Gravimetric Analysis: Precise measurement of solvent saturation and porous mass density.
• Radiographic Examination: 100% X-ray inspection of all critical weld seams.
Application Suitability
Heavy Fabrication: Stable fuel gas supply for structural steel welding and oxy-fuel cutting.
Surface Engineering: Reliable performance for thermal spray coating and flame-hardening equipment.
Specialized Chemical Synthesis: Controlled gas delivery for industrial reaction processes.
Technical FAQ
Q: Can solvent saturation be customized?
A: Yes. While high-purity acetone is standard, we provide DMF saturation for specific chemical processes upon technical review.
Q: What is the maximum safe withdrawal rate?
A: To prevent acetone carryover (which damages regulators and torches), the continuous withdrawal rate must not exceed 1/10 of the cylinder's water capacity per hour.
Q: What documents are provided with commercial shipments?
A: Each batch includes Mill Test Certificates (MTC), third-party inspection reports (TUV, SGS, or Bureau Veritas), DOT/ISO compliance certification, and serial number traceability logs.
Request a Technical Quote
For factory audit requests, custom drawing approvals, or container-load pricing, please contact our engineering sales team.
Please include the following in your initial inquiry:
Required Water Capacity (or total acetylene weight)
Target Standard (DOT-8AL or ISO 3807)
Destination Port (for freight and regulatory documentation planning)
Hot Tags: acetylene storage cylinder, China acetylene storage cylinder manufacturers, suppliers, factory
