The tables below may be used to determine the

maximum

level

travel

(differential)

available

between “Switch on” and “Switch off” actuations

with mounting nozzles of different lengths. The

differentials given occur with the minimum tank

opening diameter listed for each model and are

applicable to standard controls.

Maximum Level Differential Available with Several Nozzle Lengths



Nozzle

Model T52 with 3.12"

Model T63 with 2.31"

Model T62 Threaded with 3.06" Model T62 Flanged with 2.88"

Length

Diameter Minimum Tank

Diameter Minimum Tank

Diameter Minimum Tank

Diameter Minimum Tank

(Dim. L)

Nozzle Opening



Nozzle Opening



Nozzle Opening

Ž

Nozzle Opening



Œ

Float Stem Length

Float Stem Length

Float Stem Length

Float Stem Length

8.00

12.00

18.00

26.00

8.00

12.00

18.00

26.00

8.00

12.00

18.00

26.00

8.00

12.00

18.00

26.00

2.00

4.75

7.00

10.25

14.50

2.62

5.00

7.38

10.50

5.81

8.12

11.56

16.12

3.50

5.12

7.50

10.75

4.00

4.00

5.62

8.12

11.62

1.88

3.50

5.25

7.50

4.38

6.12

8.69

12.19

3.25

4.75

7.00

10.00

6.00

—

4.25

6.25

8.88

—

2.75

4.12

5.88

1.50

4.69

6.69

9.31

—

3.75

5.38

7.75

8.00

—

3.50

5.12

7.25

—

2.38

3.38

4.88

—

3.81

5.44

7.56

—

3.00

4.50

6.25

10.00

—

2.88

4.25

6.00

—

2.00

2.88

4.12

—

3.19

4.56

6.38

—

2.50

3.75

5.38

12.00

——

3.62

5.12

——

2.50

3.50

——

3.94

5.44

——

3.25

4.62

Maximum Level Differential Available with Several Nozzle Lengths



Nozzle

Model T52 w/79 mm

Model T63 w/59 mm

Model T62 Threaded w/78 mm Model T62 Flanged w/73 mm

Length

Diameter Minimum Tank

Diameter Minimum Tank

Diameter Minimum Tank

Diameter Minimum Tank

(Dim. L)

Nozzle Opening



Nozzle Opening



Nozzle Opening

Ž

Nozzle Opening



Œ

Float Stem Length

Float Stem Length

Float Stem Length

Float Stem Length

203

305

457

660

203

305

457

660

203

305

457

660

203

305

457

660

51

121

178

260

368

67

127

187

267

148

206

294

409

89

130

191

273

102

102

143

206

295

48

89

133

191

111

155

221

310

83

121

178

254

152

—

108

159

226

—

70

105

149

38

119

170

236

—

95

137

197

203

—

89

130

184

—

60

86

124

—

97

138

192

—

76

114

159

254

—

73

108

152

—

51

73

105

—

81

116

162

—

64

95

137

305

——

92

130

——

64

89

——

100

138

——

83

117

Millimeters

Inches

Notes:

Œ

Nozzle length is dimension L from end of standard control body to opening in tank having minimum diameter listed for each model.



Minimum diameter given is I.D. of float switch body.

Ž

Minimum diameter given is I.D. of 3" schedule 40 pipe.



Minimum diameter given is I.D. of 3" schedule 80 pipe.



Consult factory for maximum differential available for models T57, T64, T67, and T68 .

Level

differential

Min.nozzleopening

Switchactuates

risinglevel

Switchactuates

fallinglevel

CLofcontrol

L

Conduit

outlet(ref.)

Float

L E V E L D I F F E R E N T I A L V S . M O U N T I N G N O Z Z L E L E N G T H

5