Cabinet Specifications

13. Waste Lines: Waste lines shall be furnished by other trades. 14. Traps: Traps shall be furnished by other trades. 15. Electrical Fittings:

Electrical fittings shall contain 20 Amp., 125 Volt AC, 3-wire polarized grounded receptacles, unless otherwise specified. Pedestal and line-type boxes shall be of aluminum, metallic finish with stainless steel flush plates. Receptacle boxes shall be of plated steel. All electrical or conduit fittings called for or to be furnished under these specifications shall meet the requirements of the National Electrical Code. C. PERFORMANCE: 1. Maximum Line Pressures:

Laboratory Ball Valves (Gas and Air) ….75 PSI Needle Point Cocks (Gas and Air) ..…….65 PSI Vacuum ............................................…….28.5” Mercury Hot and Cold Water .........................…….80 PSI Steam ...............................................…….30 PSI 2. Sepia Bronze Finish Performance:

Finish shall show no rupture, other than a slight discoloration or possible softening when subjected to the following fumes for approximately six (6) days: Plastic coated fittings shall be suspended in a container, 6 cu. ft. capacity 12” above open beakers, each containing 199 cc. of 70% Nitric Acid, 94% Sulphuric Acid, 37-38% Hydrochloric Acid, respectively. Finish shall also withstand direct contact of reagents dropped from a burette at a rate of 60 drops/min. for a period of 10 minutes. Chemicals are shown below: Concentrated Hydrochloric Acid 37-38%*

Concentrated Nitric Acid 70%* Concentrated Sulphuric Acid 94% Glacial Acetic Acid 99.5%* Ethyl and Other Alcohols Toluene and Other Hydrocarbons Carbon - Tetrachloride Mineral Oil *Percentages are by weight.

12 35 53.19 Wood Laboratory Casework - 71

DiversifiedCasework.com | info@DiversifiedCasework.com | 877.348.9663

Made with FlippingBook interactive PDF creator