Equipment and Design
^AlOR-AM** \ 0 lOUjf REQUIREMENTS
valve, sealed with a wedge-shaped seal ring. Fluid pressure in valve automatically keeps bonnet joint tight. No bolts to retain pressure. Leakage? is impossible." The method of applying this joint to an O. S. and Y. valve is shown in Figure 2. The space saved by using this joint on a 1500-pound 8-inch steel gate valve is 4s/, inches in length and 11 inches in height; the weight saving is over 15%. Hudroavnatian
unit
A portable hydrogénation unit has been developed in the instrument shop of Bristol Laboratories, Inc., Syracuse, Ν. Υ., supervised by Ernie Smith. The design has been described by Douglas E. Cooper and is shown in Figure 3. The assembly is completely portable except for a standard electrical cord, which supplies heat, power, and control energy. Space is provided for storage of liners, tools, and other accessories.
HETTCO CD6CIAUZED
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iQUIPNftHT
NETTCO Agitating Equipment—specially designed for the work —is thoughtfully engineered in every detail to suit your particular
requirements.
A
complete
range of agitators can be supplied in gear ratios from 1 to 2,000 a n d speeds from V2 to
1,750
R.P.M.
This custom-
made NETTCO equipment does not mean added cost; by the use of standardized parts and units, NETTCO provides improved a g i t a t i n g e q u i p m e n t economically, in all sizes, types and ratios. Write
for
information.
Figure 3. Portable Hydrogénation Unit Most of the equipment is standard. The bomb shaker assembly is model 406-OIC of American Instrument Company, also supplying the Brown temperature controller and bomb tools. The truck is a Lewis-Shepard model SM-3060. The standard hydrogen cylinder is held upright by a 14-inch length of 10-inch steel pipe with L-strap braces bolted to the truck platform. Storage for liners is in the box supporting the Brown instrument, and other tools arc kept in the box at the end of the truck. When in use the truck is anchored and leveled by hand screws at each corner, guided by two spirit levels placed at right angles. Gage faces an; fitted with Plexiglas. This assembly is compact and conveniently moved from one laboratory to another, ready to be put to work without loss of time.
NETTCO Model WT totally enclosed drive
NEW ENGLAND TANK & TOWER CO. 83
TILESTON
STREET, EVERETT
4 9 , MASS.
78 A
