IS 9137 - 1978 Part 1

j // / ;1 JI;,'... • .' IS: 9137 ~ 19';'8 ( Reatfirmed19':'7 ) Indian Standard CODE FOR ACCEPTANCE TESTS FORr~TRC;[~~_~Ei::-1 CENTRIFUGAL, MIXED FLOW AND (~~~.~,_ ..",w_~,",_,-,_._". ,_ AXIAL PUMPS-CLASSC , ( Sixth Reprint MAY 1999 ) UDC 621.67: 620,16 : 006.76 'i I 1 .' I /I ( BUR MANAK . © Copyright 1980 E A U OF I N D IAN S TAN D A R D S MARG BHAVAN, 9 BAHADUR SHAH NEW DELH/~ 110002 ZAFAR Grll "";- February 1980 l ~:~~~ •• _'.'_ ••• _:-. • .• n •.. -' _"n. _.~_~~. .~""_ •• n ._. ••• ._~. __ "n'. __ -•• ~._~~~;: •• _:-~:-.t~~ ~~.;.-..~ :,... ,,~--..•~~ : . AMENDMENT NO.3 -;;0 MARCH 1989 IS: 9-137- 1978 CODE FOR ACCEPTANCE TESTS FOR CENTRIFUGkL~ MIXED FLOW AND AXIAL PUMPS - CLASS C ( I'llge ~), clill/se 4.2.1 ing for the existing ) --- Substitute the f.>lIowFlow 4000 6000 8 000 9000 clause: a 2 000 ( rn3/h ) Objects oj the Tests - 50 836'90 ) 56273---~ --T1 ----'--- ± --±'- ,,-1-===--~=='i =-- ~=_ lJ.. 70 3Q £.0 20 10 o 50 C::.H=1'Om 100 RATE OF FLOW 150 C::.Q=20m'ih f ,200 250 300 IN m~/h (Q) ! :. EDC 35) FIO. !lil) Guaranteed Duty Acfual Duty CIIARACTI',RISTIC = = 300 m'ih x 7'5 x S4~~ at 1 480 rpm 317'5 m"h x 8 m x SO~~at 1490 rpm DUTY OF 3()() m5ih CURVE FOR PUMP o~· GUARANTEED DI5C!lAIWE X 7'5 m HIeAD 3 Prlnt.d at Simco Printing Pr•••• Deihl. Indi • .•