Evening star., 1959-12-11
OFFICIAL NOTICES

ducing devices may be located
Downstream from the holder II
the milk Is open 70 the atmos-
phere between the holder and
the inlet to such equipment.
s-6,b04,334. Sealing and setting
OF pump. The pump, or pumps,
governing the rate Of hoW thTough
the holder shall be driven BY q
motor the maximum attainabie
speed Of which Is such as 70 as
sure the holding Of every particle
of milk for at least / 5 seconds.
The motor may be either q con-
stant-speed, induetion-type motor,
or, In lieu thereof, any other type
OF motor which Is so connected
with q governor as 10 limit its
maximum speed so as to assure
the required holding time, pro-
vided that the setting Of the
governor shall be sealed BY the
Director Of Public Health. and not
him In all cases, the motor shall
pc connected to the timing pump
By means Of a common driveshaft,
or BY means Of gears, pulleys, or
a variable-speed drive. with the
gear box, the pulley box, or the
setting OF the variable-speed drive
sealed by the Director OF Public
Health, and not changed without
prior notice to him. This shall be
accomplished by the application OF
suitable seals after tests By the
such seals shall not Be broker;
without Immediately notifying the
Director of Public Health. This
provision shall apply 10 homoge-
nizers located upstream from the
holoer and to any other fioW-
promoting devices Variahle-speed
drives used in connection With the
timing pump shall be so con-
strueteo that wear or stTstching
Of the belt results IN . showdown,
pames aInss 'n1n 1snssOfs fsPsssseqp' sss 3slaihss & ne
taken to mean the fioW time Of
the fastest particle Of milk, at or
above 1902 Fahrenheit, through
the holder section. i.e., that por-
ton OF the system that Is out
SIDE OF the influence OF the heat
ing medium, slopes continuously
upward downstream, and Is up
stream from the how-diversion
valve. Test for holding time shall
be made when all equipment and
devices are so operated. or ad-
lusted, as to provide for maximum
device Is capable Of being sealed.
or the maximum-hoW adjustment
violates another provision OF this
section. II a homogenizer Is To-
Gated upstream from the holder,
the holding time shall be deter
mined with the homogenizer oper-
attnE with no pressure on the
homogenixer valve. II q clarifer
Is located upstream from the
holder, but downstream from the
timing pump. the holding time
shall oe tested without the elari-
ner IN operation. II bypass lines
are provided either upstream or
downstream from the timinR
pump, the holding time shall be
tested with both the regular and
BYPASS valves so designed that
both lines cannot be open al the
same time. The holding time shall
oe tested during both forward and
diverted now. The holding time in
diversion shah not be lenguAened
oy the installation Of . restriction
IN the diversion line downstream
from the now diversion valve
IN, me reduced holdinE time in d.
BY use Of an automatic restrie.
tion, operating during diversion
only. upstream from the fiow-di-
version valve. The holding time
shal be tested IN both forward
and diverted nov By the Director
ot Public Health upon inStalla-
llons before use, after any altera-
ton or replacement that may
anect the holding time. and when
ever the seal Of the speed setting
has been broken. S-6.bO4 A, Pas
Htnii teariLsrs Employing Regeneratiye
heAtlng. S-6.bO4 Al, Milk-to-milk
tesenerators with both sides closed
70 tne atmosphere; Regenerstive
heater-eoolers Of this type shall
be so constructed, installed. and
operated that the pasteuriSed- -miik
sac VIII automatically be under
greater pressure than the raw
MIX at all times. SO .5O4 All
Milk-level elevation. (s) The
pasteurized milk, between its out
let from the regenerator and its
nearest downstream point open 70
we atmosphere, shall rise to a
hlgher elevation than any raw
mllk between the raw milk supply
tsnk ana the raw milk outlet from
tne regenerator, and shall be open
70 the atmosphere at said eleVa-
ton. The excess head shan ~ a
percent Of the maximum heieht ~
me said raw milk above the bot
tom OF the regenerator (bl The
ITee-raw-milk level nearest up-
stream from the regeneration shall
oe IN supply tank the overfioW
of which Is below the level OF the
lowest milk passage In the reQen-
orator. S-6. 6.b04.412. Pump ioca-
ZION, (a) No pump shall be To-
eated between the paSteurized-
ma n.1 outlet from the Iegenerator
sno tne nearest downstream point
0pen 70 the atmosphere (bl No
raw-milk inlet TO the ressnsratny
and the Taw-milk Supply tsnk
unless such pump Is 40 deyisned
and so installed that II can oper-
aye only when milk Is foWinR
tnrogEh the pasteuriEed milk sids
OF the regenerator at A preSSurs
greater than the maximum pres
sure produced By the pump. The
proper functioning OF the boosteY
pump shall be tested hy the Di-
rector OF Public Health upon in
sssslatlon' Following any change IN
sns PUMP or the circuit and when
S-6.604 .4I3. Maintenanes az nrss-
sure dinerentiAl during shutdowns
aho az beginning OF run. All
Iaw milk in the regeneFstor shaii
drain freely back to the unstream %
supply tank when the raW-miil
pumps are shut down and the
TsW-milk line Is diseonneeted from
tne reeenerator outlet. SO 5O4 40
Mlik-to-mnk regenerators with
Only raw milk open to the at
tmospnsre; Regenerators OF this
s$pS snau pe so constructed, in
ssaiieo, ano operated that the
nj Il -
greater than atmospheric nTesL
sure. S-6.604 .f2I Psstspri.es
milk level. The pasteurised mil min
ooWnStream from the reeeneratoT
shalI rise higher than the top Of
tne regenerator, and shall he onen
20 tne atmosphere at said elevation
90 ,oO4.422. Pump locations NJ
nllIk pumps shall be located Ne
tween the pasteurized- milk outlet
ron the regenerator and the
uteaEeSt uoWnstream point open to
ns atmosphere. SO. .504. 423.
tidIsenanee tisI OF pressure difieren-
ginning Of run. (a1 A baekeaw-
preventing device, such a.
eheck valve, shall be instaIled
N tne line between the pasteur-
lseq-milk inlet to the regeneratoY
ana either the nearest upstresm
point open to the Atmosphere Nv
tne now-diversion valve. which,
ever is farther downstream. n
salo valve, or any portion Of the
sssstem downstream therefrom,
leaaih1s, storage Tor the pasteuTized
tk HILk snall De provided downstream
LIom lts outlet from the regen-
in a tank equipped with 4 bofton
MET, at q higher elevation than
the top Of the regenerator, equal
IN volume to at least / hour Of
Ieakage. (b) The raw-milk pump
SnaH be SO connected with
pressure switch, or other device
mat ~ cannot start unless LIQUID
OF air pressure, Of at least /
pound per square inch greater
man the static pressure when the
patSStteuTlzed- milk side is full Of
taiiA ttiiA, B lntroouced on the pas
teurlzed-milk side Of tbe reEen-
orator at the beginning of ne
run. Pressure switches SHAH he
IeSted as required in paragrAph
s-6.bO4.413. S-6.504 AS Miik-to.
mix regenerators with only the
paSteurtzed-milk side open 10 the
atmosphere. Regenerators of this
Type snail be so Constructed. in
stalled; and operated that the
.si,, aai,M,-mik Sloe OF the regensrator
VII always be under suhatmos-
pnerle pressure during the passage
oI raw milk. SO .5O4 .43l' Pumn
location. No pumps shall be 10
cated between the raw-milk inlet
to the regenerator and the free
raw-milk level nearest upstream
tneretrom. S-6.504.432. Milk-Ieyei {
elevation. The free-raw-milk level
upstream from the reeenerator
snal be in tank the overflow
Of which is below the level of The
lowest milk passage in the regen- /
orator. S-6.504 .433. Maintensnee
q pressure differential during
snutooWns and at beginning Of |
run. All raw milk in the reeeners-
tor snail drain freely back into
tne raw-milk supply tank when
sne raW-milk pumps are shut
disconnected from the regeneratoT
outlet. S-6.504 "A. Milk-to-miik
Tegenerators with both sides cpen
a -