spinbars magnetic
r
NEW EQUIPMENT AND MATERIALS
stirring teflon®
bars
kel-f® tygon® polyethylene high t e m p
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The most widely accepted, lowest priced stirring bars on today's market.
SPINBARS, TEFLON
SPINBARS, TYGON
SPINBARS, POLYETHYLENE
% " Dia. % " Lg. to 2Ve" Lg. H " Dia 1 % " Lg.
5/16" Oia. W Lg. to 2 " Lg. W Dia. % " Lg. to 2Ve" Lg.
SPINBARS, KEL-F •A" Dia. V2" Lg. to >/8" Lg. 5/16" Dia. W Lg. to 2 " Lg. W Dia. W Lg. to2Va" Lg. V 2 " Dia. W lg. to 3" Lg. W Dia. H i " Lg. to l i t " Lg.
Ball-type flow indicator for flows down to 0.075 g.p.m. of water or 0.5 c.f.m. of air has only one moving
•Trademarks DuPont Kellog U. S. Stoneware
Stirring Bars for every requirement in Teflon, Kel-F, Tygon and Polyethylene—all leak proof, laboratory tested. Spinbars are available, like all better products through Laboratory Supply Houses. S P I N B A R S . . . designed for greater movement and agitation.
LABORATORY PLASTICWARE FABRICATORS . . · · · * * · · · · * · · ·
Flow Indicator
Four years in research . . . research that has developed Spinbars with a powerful Alnico V Magnet encased in a solid one-piece capsule, each electrically and vacuum tested and absolutely leak proof. Available at any Laboratory Supply House.
Pivot Ring at no extra cost.
5/16" Dia. >/2" Lg. to 2 " Lg. Î V ' Dia. W Lg. to 2'/e" Lg. W Dia. W Lg. to 3" l g . H " Dia. 1 % " Lg. to l'/a" Lg.
Paks provide a complete power package in a single unit. Prices on request. Dept. IEC, Industrial Div., York-Shipley, Inc., York, Pa. 4
714 BALTIMORE · P. 0 . BOX 213 · KANSAS ClTY Ï, MO.
Circle No. 78 on Readers' Service Card
KONTRO'S T A P E R E D Processor Produces M A X I M U M HEAT TRANSFER
Flow t h r o u g h t h e line m a k e s this f l o w i n d i c a t o r b a l l d a n c e in t h e glass d o m e . Ball d r o p s out o f sight w h e n t h e f l o w stops
part, a nylon or Teflon ball. Indica tor is said to be visable from a dis tance, even in bad light. Price for 'A-inch pipe size indicator is $14. Dept. IEC, Mcintosh Equipment Corp., 15 Park Row, New York 38, Ν. Υ. 5
Force-Flow Liquid Chiller
QQO/O
distilled
in a single Ρ
Foreign Patents Pending
New packaged chiller, ready to plug into electric outlet, is for re frigeration, circulation, and close temperature control of many types of corrosive and noncorrosive liq uids, including water, acids, and other liquid chemicals. Prices range from $585 to $1395. Specifi cations and prices of standard models available on request. Dept. IEC, Remcor Products Co., 321 E. Grand Ave., Chicago 11, III. 6
Polyester Filter Press Plates
KONTROLS
Residence
Time,
Thin-Film,
Turbulence
T h e t a p e r e d design of K O N T R O ' S processor a l l o w s a d j u s t m e n t of rotor blades w i t h i n the processing cone. O n e a u t o m a t i c a n d continuous r a p i d pass p r o d u c e s a h i g h q u a l i t y p r o d u c t f r o m either h i g h or l o w viscosity m a t e r i a l . Even heat-sensitive or c o m p l e x l o w viscosity m a t e r i a l s m a y b e a l m o s t c o m p l e t e l y distilled in K O N T R O c e n t r i f u g a l l y - w i p e d thin-film processing e q u i p m e n t .
Filter plates and frames molded of premixed compound of chopped Fiberglas, polyester resin, and inert fillers are said to give improved
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