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2

MODEL IDENTIFICA

TION

1. Code for top mounting liquid fl

oat level switches

BASIC MODEL NUMBER

1

A complete measuring system consists of:

1.

Code for 

top mounted 

models (each unit can be factory calibrated when specifi

c level differentials are specified separately

– specify actuating level(s) for either rising or falling level and operating S.G.)

2. Code for 

modifi

ed

models or adders: put an "X" in front of the closest matching order code and specify the modifi

cations/

adders separately
eg. XT20-AB2A-AAP            X = with material certification EN 10204 / DIN 50049-3.1.B

MATERIALS OF CONSTRUCTION

PROCESS CONNECTION

T

2 0

single float

- top mounted liquid float level switch

T

2 1

tandem float

- top mounted liquid float level switch

SWITCH MECHANISM & ENCLOSURE (see page 3)

complete code for top mounted models

Code

Cage & process

connection material

Float and trim

Magnetic sleeve

A

Carbon steel

316 SST (1.4401)

400 series SST

B

316 SST (1.4401)

D

316/316L (1.4401/1.4404)

Float sizes

ø 76 x 127 mm (3" x 5")

ø 102 mm (4")

ø 114 mm (4 

1

/

2

")

Threaded NPT connection - for T20 models only

1"

B2A

B2B

B2C

ANSI Flanges - for all models

150 lbs RF

300 lbs RF

150 lbs RF

300 lbs RF

150 lbs RF

300 lbs RF

4"

H3A

H4A

-

-

-

-

5"

J3A

-

J3B

-

J3C

-

6"

K3A

K4A

K3B

K4B

K3C

K4C

DIN fl

anges form to DIN 2526 - for all models

PN 16

Form C

PN 25/40

Form C

PN 16

Form C

PN 25/40

Form C

PN 16

Form C

PN 25/40

Form C

DN 100

8FA

8GA

-

-

-

-

DN 150

9FA

9GA

9FB

9GB

9FC

9GC

Summary of Contents for T20 Series

Page 1: ...undary between the switch mechanism and the process On a falling level an inconel spring retracts the magnet deactivating the switch pivot return spring rising level falling level UNPACKING Unpack the...

Page 2: ...CONNECTION T 2 0 single oat top mounted liquid oat level switch T 2 1 tandem oat top mounted liquid oat level switch SWITCH MECHANISM ENCLOSURE see page 3 complete code for top mounted models Code Cag...

Page 3: ...XDQ XJ9 XB9 X8S XDS XD5 XW5 XNQ Pneumatic switch type Max supply pressure bar psi Max liquid temperature C F Bleed orifice mm inches NEMA 3R IP 53 material code A material codes B D Series J open air...

Page 4: ...ns 3 Connect power supply to control and test switch action by varying liquid level in tank or vessel NOTE If switch mechanism fails to function properly check vertical alignment of control housing an...

Page 5: ...evel travel between switch on and switch off actuations differential may be eld adjusted by repositioning the lower jam nuts on the oat stem The standard factory setting is for a minimum amount of pla...

Page 6: ...ssembly swings freely and mechanism still fails to actuate check installation of control to be cer tain it is within the speci ed three 3 degrees of vertical Use spirit level on side of enclosing tube...

Page 7: ...r to bulletin on switch mechanism furnished for service instructions Magnetrol controls may sometimes be exposed to excessive heat or moisture Under such conditions insulation on electrical wires may...

Page 8: ...el T21 the lower oat actuates the upper switch mechanism The upper oat actuates the lower switch mechanism Housing type Models V W X Y Z mm inches mm inches mm inches mm inches Weatherproof FM NEMA 7...

Page 9: ...gher ratings Pressure Rating Bar PSIG 40 C Maximum 100 F Temperature 76 x 127 mm 34 5 Bar 20 7 Bar 400 C 3 00 x 5 00 500 PSIG 300 PSIG 750 F 102 mm 41 3 Bar 27 6 Bar 400 C 4 600 PSIG 400 PSIG 750 F 11...

Page 10: ...Size 125 Lb 150 Lb 300 Lb 150 Lb 150 Lb 125 Lb 300 Lb Cast Iron Forged Steel Forged Steel Forged T 304 Forged T316 150 Lb 4 04 5840 001 04 5840 011 04 5840 016 04 5840 021 04 5840 026 12 1301 014 12...

Page 11: ...11 REPLACEMENT PARTS cont 8 12 14 15 16 17 18 11 7 6 5 4 1 3 4 2 9 10 8 12 14 15 16 7 6 5 4 1 3 4 2 13 T21 T20...

Page 12: ...it is essential that a Return Material Authorisation RMA form will be obtained from the factory It is mandatory that this form will be attached to each material returned This form is avail able throug...

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