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제품명 Float Operated Type Level Switch
모델명 SBS, SBF, SSF, SSFV
시리즈 Float Operated Type Level Switch
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제품소개

DH - 90C SERIES

Features
·High load carrying capacity
·Environmental safety
·Vibration resistance



Electrical Switch Mechanism
·Dry contact switches are recommended for critical environmental conditions.
·Standard switch mechanisms are offered in rugged stainless steel construction.
·Dry contact mechanisms are supplied in both SPDT&DPDT. 
 Generally a maximum of two mechanisms per single control are available as standard.


With radiation wings for high temp

Height of housing(single switch funtion)
Number of radiation fins
0(F0)
250
4(F4)
357
6(F6)
407
9(F9)
467


Standard Model and specifications

Control press. rating
Minimum
liquid
Sp.Gr
Minimum
liquid
Sp.Gr
Switch
contact
type
PsigBars
100℉750℉30℃400℃Max
285
600
285
350
600
300
350
230
225
285
95
450
95
260
450
225
260
95
165
95
20
41
20
24
41
21
24
16
16
20
7
31
7
18
31
16
18
7
11
7
0.57
0.65
0.67
0.67
0.65
0.57
0.67
0.50
0.81
0.71
120VAC,15A
120VAC,15A
120VAC,15A
120VAC,15A
120VAC,15A
120VAC,15A
120VAC,15A
120VAC,15A
120VAC,15A
120VAC,15A

SPDT
SPDT
SPDT
SPDT
SPDT
SPDT
SPDT
SPDT
SPDT
SPDT





Applications
The sensor is a displacer heavier than the liquid, which is suspended by a commpression spring.
When liquid contacts the displacer, a buoyancy force is produced, which causes the effective weight of the displacer to change, this causes the spring to retract slightly to a new equlibrium position. 
When the spring retracts the attraction sleeve moves upward into the field of external magnet.
(Thus overcoming the force of the bias spring and actuating the switching element.)
This principle allows adjustment of the switching point by moving the displacer along the guide pipe.


Description model




SBS - Type


SBF - Type


SSF - Type


SSFV - Type






B(1)C(1)D(2)E(2)F
INCHMMINCHMMINCHMMINCHMMINCHMM
2 1/4"5737610 1/2"2673 11/16"946 1/2"165
2 5/8"673 1/2"8910 1/2"2673 11/16"946152
2 1/2642 3/4"9592293 11/16"816152

NOTE
1. Nominal dimensions based upon minimum differential setting, minimum liquid specific gravity and single switch function.
2. Dimensions are for 1” NPT or S,W. type only.


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