Product

Condensers Air

• Manufactured from ASTM E-438, Type-1, Class A, Boro 3.3 Glass.
• These are used for the condensation of material with boiling point above 150°C

• Cat No.	Effective Length (mm)	Socket Size	Cone Size	Approx. OD (mm)	Pack of
  	200	14/23	14/23	25	1
  	200	19/26	19/26	25	1
  	250	29/29	24/29	25	1
  	400	19/26	19/26	25	1
  	500	24/29	24/29	25	1
  	500	34/35	34/35	25	1
  	600	19/26	19/26	25	1
  	750	24/29	24/29	25	1
  	750	–	19/26	25	1
  	750	–	24/29	25	1
  	1000	–	19/26	25	1
  	1000	–	24/29	25	1

OVERVIEW:
GWSI Glass Lab manufactures air condensers from premium borosilicate 3.3 glass for air-cooled reflux and condensation without water connections. Built for thermal and chemical durability, they deliver high thermal shock resistance, full chemical inertness, and hydrolytic resistance. Every condenser is I.S.O. DIN, NABL calibrated for consistent analytical performance.

HISTORY:
Air-cooled condensers were developed as a simple, portable alternative to water-jacketed designs, eliminating plumbing and water supply requirements in remote or limited-resource laboratories. GWSI modernizes this practical design with borosilicate 3.3 durability, ceramic glass fusing, interchangeable ground joints, and autoclavable lab glass reliability for modern workflows.

APPLICATIONS:
* Pharmaceutical reflux without water supply
* Biotech and field analytical laboratories
* School, college, university, and educational institutes
* Industrial quality control and portable research labs
* Air-cooled condensation and simple reflux studies

MANUFACTURING PROCESS:
We melt high-purity borosilicate 3.3, form the condenser tube through master hand-blowing or automated molding, apply ceramic glass fusing to interchangeable ground joints, and complete controlled annealing to fully eliminate thermal stress.

TESTING PROCESS:
Every condenser receives manual polariscope stress testing for zero residual stress, followed by high-precision ISO, DIN standard verification — manual or automatic testing machine — and NABL gravimetric calibration where applicable.

PRINTING PROCESS
Graduations and markings are applied by precision screening with ceramic glass enamels, baked in high-temperature kilns to permanently fuse the scale into the borosilicate 3.3 matrix so it never fades.

PACKAGING PROCESS:
We perform cosmetic sorting to filter out any blemishes, verify tube and joint alignment, and pack in heavy-duty double-wall boxes with shock-absorbing bubble wrap for safe export from Ambala, the Science City.

MAINTENANCE & SAFETY:
* Autoclavable lab glass: sterilize at 121 °C with joints fully open.
* Clean with non-abrasive detergents; protect interchangeable ground joints and glass surfaces from chips.
* Confirm hydrolytic resistance before prolonged exposure to acidic or basic vapors.
* Store vertically in a stable rack away from direct heat sources.
* Inspect for polarization stress before high-thermal-shock cycles.