LEVEL CONTROL SWITCHES
L I N C - L 4 7 1 & L 4 7 1 S C S E R I E S
Specifications: L471 & L471SC Series Electric Level Control Switches
Pressure:
1,500 psi standard, available to 5,000 psi, (1,500 psi maximum with the Manual Override option)
Temperature:
40°F to + 400°F standard.
Specific Gravity:
0.4 minimum standard; interface 0.1 differential minimum
Materials:
316 stainless steel wetted parts are standard.
Switch Rating:
SPST (SPDT optional) 100 V.A. AC, 100W DC, 3 amp inrush capability, maximum of 250 Volts, Hermetically sealed
Connections:
Electrical:
112" conduit standard, with other sizes optional
Process:
1 112" NPT standard, available in 2" NPT, 3" flanged or larger, and externally caged
CSA Certification:
Listed as explosion proof for Class I, Div. 1, Groups A, B, C, D; Class II, Div. 1, Groups E, F, G; and Class III, Div. 1
Ordering Chart:
Series:
L471
Electric level control
L471SC
Externally caged electric level control. Note:
The body style is always "0" due to ring bolt.
1,500 psi WP standard; 3,000 psi WP available
2
Body Style:
0
Standard, 1 112" NPT (ring bolt on L471SC)
1
Standard, 2" NPT
2
Standard, 1 112" NPT, manual override
3
4
Standard, 2" NPT, manual override
3
3
Extd. body
4
, 2" NPT, vertical displacer
6
Extd. body
4
, 2" NPT, vertical displacer, manual
override
7
Extd. body
4
, 2" NPT, horizontal displacer
8
Extd. body
4
, 2" NPT, horizontal displacer,
manual override
Type:
1
Standard
2
High pressure, 5,000 psi polypropylene
displacer, temp. +180°F max, spec. grav. 0.6 min.
CSA rated to 1500 psi per single seal rating
( onsult factory for higher ratings)
c
3
Interface, 5,000 psi polypropylene displacer,
temp. +180°F max, upper fluid less than: .870
spec. grav; lower fluid more than: .970 spec. grav.
4
Other gravities for interface, specify gravities
of fluids (upper & lower)
9
Displacer, 5,000 psi polypropylene displacer,
temp. +180°F max, spec. grav. 0.5 min.
Other
5
:
02
Annulus plug
03
-N
Relay assembly
1
, general purpose plug
in, 24VDC DPDT 10 Amp
04
-N
Relay assembly
1
, general purpose plug
in, 120VAC DPDT 10 Amp
08
-N
Relay assembly
1
, hermetically sealed plug
in, 24VDC DPDT 10 Amp
09
-N
Relay assembly
1
, hermetically sealed plug
in, 120VAC DPDT 10 Amp
05
This number means special; specify your
requirements. i.e. 3" flanged 150# RF
Option Number:
( )
Factory will assign an option number based on
specified requirements.
1
When a relay assembly is used, Class
I,
Div. 1, is limited to Groups C, and D.
2
L471SC pressure limitation is 3,000 psi on cage.
3
Not available on L471SC.
1500 psi maximum. Manual override.
4
Body style 3, 6, 7, 8 available only Type 9.
5
/f no further requirements are desired, omit "Other" option codes from the part
LINC-
-
-
(
number.
Examole: LINC-L471-21-05 electric level control
L I N C
L I N C M I L
M I LT
T O N
O N R
R O
O Y
Y •• 2 0 1
2 0 1 I V Y L A N D
I V Y L A N D R
R O
O A D
A D •• I V Y L A N D
I V Y L A N D P
PA ,
A , 1 8 9 7 4
1 8 9 7 4 •• U S A
U S A •• T E L .
T E L .
2 1 5 . 2 9 3 . 0 4 6 5
2 1 5 . 2 9 3 . 0 4 6 5 •• F
F A X
A X 2 1 5 . 2 9 3 . 0 4 9 8
2 1 5 . 2 9 3 . 0 4 9 8
Page 4
Содержание LINC 21593
Страница 23: ... NOTES ...
Страница 24: ... Copyright 2004 2011 Milton Roy Lit 49752 10 2011 ...