Laboratory Gas Pipeline System With 316L VIM-VAR Stainless Steel Pipeline And Ultra High Purity Gas Delivery System

Laboratory Gas Pipeline System With 316L VIM-VAR Stainless Steel Pipeline And Ultra High Purity Gas Delivery System

A laboratory gas pipeline system supplies specialty and process gases safely and cleanly to instruments and workstations. For applications that demand the highest purity, the preferred material is 316L VIM-VAR stainless steel tubing and fittings.

316L is a low-carbon austenitic stainless steel chosen for its excellent corrosion resistance. The VIM-VAR process (Vacuum Induction Melting followed by Vacuum Arc Remelting) further refines the metal. It removes non-metallic inclusions and reduces residual gases, producing an extremely clean, homogeneous material with a smooth internal surface. This minimizes particle generation and outgassing, which is essential for maintaining gas purity.

An ultra-high purity (UHP) gas delivery system built with this tubing typically includes electropolished or specially cleaned components, orbital-welded or high-integrity VCR-type fittings, and carefully designed regulators, valves, and filters. The entire system is assembled under controlled conditions, purged with high-purity inert gas, and leak-tested to very low rates. Point-of-use filters and purity monitors are often added to protect sensitive analytical equipment such as GC-MS, ICP, or semiconductor process tools.

Key benefits include consistently high gas purity (often ppb or ppt impurity levels), reduced risk of contamination, long service life, and compliance with laboratory safety and quality standards. Proper design also incorporates pressure relief, isolation valves, and clear labeling for safe operation.

In summary, combining a well-engineered pipeline layout with 316L VIM-VAR stainless steel and UHP practices ensures reliable, contamination-free gas supply critical for modern research and analytical laboratories.

Technical Data

Model	JW-400-Lab
Specification	W800D633H2172
Special gas cabinet size	Control power supply: 220VAC, 50HZ, 500W, heating power supply: 220VAC, 50HZ, 1-6KW
Control cabinet power supply	PN2,1/4”MVCJ
Purge	HPN2,1/4”MVCJ
High pressure holding	GN2.1/4” MVCJ
Vacuum	1/2” MVCJ
VENT drain pipe	CDA driver, 1/4″ SWG
Pneumatic air source	OD 150MM, silane 810m/hr; others 204m3/hr
Cabinet ventilation	Automatic switching, automatic purging, explosion-proof and anti-leaving cabinet, explosion-proof self-locking door, explosion-proof glass observation window, leakage alarm, remote cut-off, negative pressure alarm
Operation interface	10″ color touch screen

Features:

Functionality: Specially designed for flammable, toxic, or corrosive gases such as hydrogen, ammonia, and chlorine.
Applications: Critical environments such as semiconductor fabs, special gas labs, and research institutions with stringent safety requirements.
Control Method: Fully automated with PLC control, including gas sensors, exhaust fan interlocks, fire control systems, and access control.
Safety Features:
1)Explosion-proof electrical components
2)Ventilation and exhaust control
3)Combustible/toxic gas detection and alarm interlocks
4)Emergency shut-off valves
5)Optional fire suppression or gas purification modules

Optional
*UV/IR Flame Detector
*Cylinder Shutboy
*Panel heating
*Ethernet communication module
*Weight Scale
*Excess Flow Switch

Jewellok specializes in fully automatic and semi-automatic GC gas cabinets, BSGS gas cabinets, VMB gas cabinets, TMA gas cabinets, Scrubber tail gas treatment cabinets, gas distribution cabinets, VDB gas cabinets, and VDP gas cabinets, suitable for gases such as SiH4, NF3, NH3, N2O, and HCI.

Jewellok specializes in the design and manufacture of gas handling equipment for laboratories and semiconductor facilities. Its product range includes fully automatic and semi-automatic GC gas cabinets, BSGS gas cabinets, VMB gas cabinets, TMA gas cabinets, scrubber tail gas treatment cabinets, gas distribution cabinets, VDB gas cabinets, and VDP gas cabinets.

These systems safely store, control, and deliver specialty gases. Fully automatic models offer advanced monitoring, remote control, and automatic cylinder changeover. Semi-automatic versions provide reliable operation with essential safety features at a lower complexity level.

The cabinets are engineered for hazardous and corrosive gases commonly used in process and analytical applications, including silane (SiH₄), nitrogen trifluoride (NF₃), ammonia (NH₃), nitrous oxide (N₂O), and hydrogen chloride (HCl). Materials and seals are selected for chemical compatibility, while leak detection, emergency shut-off, and ventilation ensure operator safety.

Scrubber tail gas treatment cabinets remove residual toxic or reactive gases before exhaust release. Gas distribution, VDB, and VDP units efficiently route gases from bulk sources to multiple points of use with precise pressure and flow control.

Overall, Jewellok’s solutions support ultra-high-purity delivery, minimize contamination risks, and meet strict safety standards required in modern cleanrooms and research laboratories.