HANDLING "PROBLEM" FLUIDS OR GASES? Specify ALUMINUM GATE VALVES by Darling Where you're handling highly corrosive materials... or where valve weight is a factor... Darling Aluminum Gate Valves make sound economic sense.
proved-in-use as the most generally corrosive-resistant aluminum alloys in use today.
High - c o r r o s i o n - r e s i s t a n t
assures maximum life under the most e x a c t i n g service c o n d i t i o n s . " N o p o c k e t " discs a n d wedges p r e v e n t accumulation of line scale or sludge. Wedge design reduces friction to a minimum, assures positive sealing and ease of operation.
aluminum
a l l o y s . . . carefully selected and thoroughly tested by Darling metallurgical engineers... are used Aluminum flanged end gate for s t r u c t u r a l and valve. Also available with other types of ends. Can pressure-containing be furnished with inside parts. They've been screw stationary stem.
Double disc parallel seat principle
DARLING D A R L I N G VALVE & MANUFACTURING CO. W i l l i a m s p o r t 32, Pa. M a n u f a c t u r e d in C a n a d a by S a n d i l a n d s V a l v e M a n u f a c t u r i n g Co., Ltd., Galt 1 9 , Ont.
VALVES
Circle No. 27 on Readers' Service Card
VOL. 51, NO. 12
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DECEMBER 1959
37 A
