now available with automatic controls . .
Sight Feed Bubbler Has Built-in Check Valve A sight feed bubbler for con trolling and visually indicating relatively small flow rates in gas and air lines has been announced. Prices range from $10.50 in steel without check valve to $17.50 in brass with check valve. Dept. IEC, King Engineering Corp., P.O. Box 632, Ann Arbor, Mich. 15
"Packaged"
NEPTUNE CHEMICAL FEED UNIT a complete additives
New Processing CombinationBall Mill and Reactor Combining the functions of a ball mill and a reactor, the MilReactor makes it possible to grind
system (or precisely to
continuous
flow
regulating processes
The NEPTUNE proportioning system is precision engineered for accuracy, and a longer operating life. It offers several improved features—including auto matic controls—that are not found on many more expensive units. OTHER FEATURES INCLUDE: • Corrosion resistant, stainless steel piston valves and ball checks; heavy gauge construction throughout. • Easy control of feed—simply adjust calibrated scale on the eccentric.
Tank, agitator and pump are combined in one smooth operating system that precisely proportions anything from treating chemicals, such as calgon, to • " Y " type strainer protects pump from harmful solids. petroleum distillates. FOR ADDITIONAL DETAILS — WRITE, WIRE OR CALL: • Constant solution strength is assured as agitator pre vents precipitates from settling.
NEPTUNE PUMP MANUFACTURING CO. DAvenport 9-2882
4912 NORTH 6TH STREET, PHILADELPHIA 2 0 , PA. Circle No. 43 on Readers' Service Card
Internal pressures can b e controlled f r o m full vacuum to 5 0 p.s.i.g.
RUSKA DEAD W E I G H T
materials under controlled tem perature and pressure conditions. Unit is available in sizes from 5 to 500 gallons. Internal pressures can be controlled from full vacuum to 50 p.s.i.g. Prices vary from $1000 to $50,000 depending on sizes, materials of construction, and the like. Dept. IEC, Patterson Foun dry and Machine Co., East Liver pool, Ohio. 16
GAGE
Cloth Discharge Filter Features New Design New filter features a device that will continuously remove a fabric from a rotary drum filter, wash it thoroughly, and then automatically replace it on the drum. A Fluid Tension roller, water-filled rubber tubing, does the job. Prices in mild
A s e n s i t i v e d e a d w e i g h t p r e s s u r e b a l a n c e f o r use as a p r i m a r y p r e s s u r e s t a n d a r d . R e p e a t a b i l i t y i n excess o f 0 . 0 1 % . R a n g e s t o 1 2 , 0 0 0 psi o r 8 6 0 k g / c m 2 , w i t h s u b d i v i s i o n s as s m a l l as 0.1 psi o r 0 . 0 1
kg/cm2.
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RUSKA MAKERS
OF
I N S T R U
SCIENTIFIC
6121 Hillcroft Street
Μ
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C O R P O R A T I O N
·
INSTRUMENTS
Houston,
Texas
( M a i l a d d r e s s : P. O . B o x 3 3 9 6 , B e l l a i r e 1 0 1 , T e x a s ) . Circle No. 60 on Readers' Service Card VOL. 5 1 , N O . 11
·
NOVEMBER 1959
95 A
