LG-120 glove box is a comprehensive system
specially designed for argon welding, including integrated gas purification system,welding turntable and cooling control system.
The following are the characteristics and specifications of the various components:

Glove box:

 

Dimensions: 1200L x 1200W x 900Hmm

Body material: stainless steel SUS304, thickness 3mm

Glove box inner surface: polished sand surface

Appearance finish: powder coating and baking paint treatment

Vacuum box reinforcement

Working gas: nitrogen, argon, helium inert gas environment

Lighting: External fluorescent lamps 30w x 2

Glove box window: transparent toughened glass window, 17mm thick, with argon welding goggles

Glove fixing ring: SUS 304 material, diameter 220mm, O-ring

Gloves: butyl material, 0.4mm thick, 4 gloves (2 single-sided)

Electric control system:

 

Power supply: 220v/60Hz, 10A, with AC110v power outlet group

System control: PLC programmable controller, 5.7" Chinese touch human-machine interface

Control and display of water oxygen concentration and glove box pressure

Glove box pressure can be adjusted freely, automatic constant pressure control (0-16mbar)

Glove box pressure foot pressure/decompression switch control

Gas purification/regeneration system and gas pipeline:

 

Purification system: gas closed-circuit cycle water removal and oxygen removal system

Concentration after treatment: H2O <1ppm(v), O2 <1ppm(v)

Purifier (with catalyst): Stainless steel SUS 304, with heater and insulation, reusable

Regeneration control: PLC man-machine interface automatic programming, with regeneration date memory function

Recovery gas: argon-hydrogen mixture (Ar/H2 mixture, H2 = 5% + Ar = 95%)

Cooling system: Cooling circulation chiller (installed in the glove box cooling heat exchanger)

Purification system circulation fan: gas circulation flow rate of 70 m3/h at ∆P = 60 mbar

Purification system valve parts: KF-40 vacuum pneumatic valve control

Control valve: solenoid valve 3/8", PLC control

Purification system pipeline: stainless steel SUS316 pipeline, KF-40 vacuum joint system

Gas piping: stainless steel 3/8"

Leakage rate of purification circulation system: <10-5 mbar-l/s (purifier unit and components)

10μm circulation filter to remove dusty gas in the glove box

Vacuum pump:

 

Displacement: 12m3/h

Two stage oil rotary vacuum pump

Vacuum: <3 x 10-3 mbar

Vacuum Pump Stops With Reverse Function (EDWARDS RV-12)

Through hole:

 

Glove box side through holes: 6, KF-40 and below ISO 160 x 1 vacuum 
 

Pass Box:

 

Material: non-stainless steel SUS304, thickness 5mm

Square pass box internal dimensions: 500 x 500 x 600mm

Internal polishing, external powder coating

Hard anodized aluminum door cover, 20mm thick

Internal Accessory Rails

Oil-Filled Vacuum Gauge x 1, Vacuum Valve: KF-40 Pneumatic Valve x 1, Pressure Balance Valve 3/8" Solenoid Valve x 1

Large Transmission Controls: Manual Inner and Outer Doors

operate Transmission box leakage rate: <10-5 mbar-l/s

 

Water and oxygen reconnaissance:

Trace moisture analyzer: 0-1000PPM(V)

Trace oxygen analyzer: 0-100PPM, 0-1000PPM, 0-10%, 0-25% range

 

Glove box table with welding turntable:

Turntable fixture for foot-controlled rotation (360 degrees)

Welding sample size: specify approx.

A heat exchanger inside the glove box controls the internal temperature during welding

Chiller eye protection tablets

 

GB-120 glove box is a multifunctional system specially designed for argon welding, integrating gas purification, welding turntable and cooling control. It offers rugged stainless steel construction, precise control of pressure and gas environments, and a comprehensive set of features to ensure efficient and reliable operation in a variety of welding applications.