Cryomech PT415 - Page 8

Cold Hea
d
The cold
temperatu
r
the PT se
r
Cold Hea
d
The heat
e
transferrin
g
Cold Hea
d
The cold
h
that attac
h
electrical
p
Compress
Located i
n
commerci
a
pressure.
Compress
The comp
cool and
p
compress
e
high-pres
s
Cryogenic
Temperat
u
Cryorefrig
e
A
cryorefr
i
expansion
(expansio
n
Gifford-M
c
A Gifford-
M
the heliu
m
Helium Fl
e
The heliu
m
the compr
e
Nitrogen
F
Nitrogen f
l
only apply
Pollution
D
Pollution
d
affect the
e
Pulse Tub
e
A
pulse t
u
helium usi
d
:
head is a
n
r
es. In the A
L
r
ies systems
t
d
Heat Excha
n
e
xchanger(s
)
g
heat to the
d
Motor Cord
h
ead motor c
h
to the cold
h
p
ower from th
or Module:
n
side the co
m
a
l compress
o
or Package:
ressor packa
p
urify helium
e
s the low-p
r
s
ure helium t
o
Temperatur
e
u
res lower th
a
e
rator (Cryoc
o
i
gerator is a
cycle. It con
n
device).
c
Mahon (GM)
M
cMahon cr
y
using a disp
e
x Lines:
m
flex lines a
r
e
ssor packa
g
F
lexible Lines
l
ex lines are
to Liquid Nit
r
D
egree 2:
d
egree 2 refe
e
lectrical saf
e
e
Cryorefrige
u
be cryorefri
g
ng a pulse tu
n
expansion
L
or GB syst
e
t
he cold hea
d
n
ger:
)
on the cold
helium withi
n
ord is pre-wi
r
h
ead and co
m
e compress
o
m
pressor p
a
o
r that com
p
ge houses t
h
and that pro
v
r
essure heliu
o
the cold he
a
e
s:
a
n 120K or -1
o
oler):
cryogenic re
f
sists of a co
m
Cryorefriger
a
y
orefrigerator
lacer or pisto
r
e corrugate
d
g
e and the co
l
or Flex Line
s
corrugated
s
r
ogen Plant
m
rs to the ext
e
e
ty of the sys
t
rator:
g
erator is a
c
be instead of
1-4
device, wh
i
e
ms the cold
d
is a Pulse T
u
head provid
n
the system.
r
ed and fitte
d
m
pressor pac
k
o
r package to
ckage, the
c
p
resses low-
p
h
e compress
o
v
ide system
s
m returning
f
a
d.
53°C.
f
rigeration s
y
m
pressor pa
c
a
tor
is a cryorefr
i
n.
d
stainless st
e
l
d head.
s
:
s
tainless stee
m
odels.
e
nt to which
t
t
em. See EN
c
ryorefrigerat
o
a displacer
o
i
ch is capa
b
head is a Gi
f
Tu
be style uni
t
e cooling at
d
with electri
c
k
a
g
e. The col
the cold hea
d
c
ompressor
m
p
ressure heli
o
r module an
d
s
afety contro
l
f
rom the col
d
y
stem based
c
kage, heliu
m
i
gerator in w
h
e
el hoses th
a
e
l hoses that
t
he local env
i
61010 or UL
o
r in which
t
o
r piston.
b
le of reac
h
f
ford-McMah
o
t
.
cryogenic te
c
al connector
d head moto
r
d
motor.
m
odule is a
n
um to the n
d
all other c
o
l
. The compr
e
d
head and
p
upon a clos
e
m
flex lines a
n
h
ich the cold
a
t transport h
carry nitrog
e
ironmental c
o
61010A for f
u
t
he cold hea
d
Overvie
w
h
ing cryoge
n
o
n style unit.
mperatures
b
s on each e
n
r
cord provid
e
n
oil-lubricat
e
ecessary hi
g
o
mponents th
a
e
ssor packa
g
p
rovides cle
a
e
d loop heliu
n
d a cold he
a
head expan
d
elium betwe
e
e
n. These lin
e
o
nditions cou
u
rther details
d
expands t
h
w
n
ic
In
b
y
n
d
e
s
e
d
g
h
a
t
g
e
a
n
m
a
d
d
s
e
n
e
s
ld
.
h
e