Pitagora Industrial & Specialty Gases is the leader in the Medical and Dental Gases and Equipment Market.


The LD Series of cryogenic dewars are designed for storing and dispensing small amounts of liquid Nitrogen.


The series includes a beaker style dewar with a wide mouth (LD5) and pitcher-style model for easy pouring (LD4).  The LD Series of cryogenic dewars earned their name from their acceptance in laboratories and medical offices worldwide.


The high-efficiency, super insulated dewars are the most convenient, economical way to store and dispense liquid nitrogen. Many lab units can be fitted with pouring spouts, pressurized dispensing devices or dippers to aid in the transfer of liquid nitrogen.



• High performance modern construction and advanced insulation materials assure high thermal


• New rugged construction, ribbed high strength aluminum body, magniformed necktube design, and more durable paint system

• Easy operation lightweight snap-on cap and necktube assures tight closure and easy access, convenient larger handles

• Superior vacuum performance with super insulation provides maximum holding times

• Optional equipment includes liquid withdrawal device, tipping stand, dippers and roller base

(for some models)


Whatever you need to store at whatever temperature, PSC has the solution. We offer the broadest range of storage capacities for your biological products with the most advanced vacuum technology.

Liquid Nitrogen Delivery Service


PSC is the leader in the Medical Clinic and Medical Office LN2 Market.  We have pioneered the way deliveries are done and continue to bring the newest technology to our clients.  By filling onsite at our clients location PSC accurately can determine the exact number of liters required and bill accordingly.  This means the days of having to pay for 20 Liters regardless of how much you actually required are over.  We will bill your office per Liter for what we deliver.  We also can do in house repairs and preventative maintenance on all your office gas systems.  This includes Liquid Nitrogen Dewars, Dispensing systems and Emergency Oxygen Systems.


We offer no charge appraisals of your Dewars and your requirements.