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Dimension A

Models

Inches mm

NPT

Models

Inches

mm

NPT

Pressure

Pressure

126-164

5.81

146,84

1/4

551, 553-555

4.56

115,88

1/4

S126B-S164B 6.19

157,16

1/2

550, 552

5.03

127,79

1/4

270-376

5.50

139,70

1/4

570-572

4.56

115,89

1/4

440-443, 449,

610-614

6.44

163,58

1/4

451, 453, 454

4.28

108,74

1/4

Differential Pressure

448, 450, 452

5.03

127,79

1/4

147-157

6.13

155,57

1/4

520-525

8.62

218,90

1/2

S147B-S157B

6.13

155,57

1/2

530-535

8.12

206,20

1/2

455-559

7.00

178,05

1/4

540-543

7.90

200,7

1/8

544-547

8.06

204.7

1/8

Option M210 - Differential Pressure Indication

Surface Mounting Hardware 
Part Number 6361-704º

Dimensions

Figure 3

Span Adjust Screw

Figure 2

Zero Adjust Screw

Re-Calibration Adjustment - H Types

Summary of Contents for H400

Page 1: ...R I C C O N T R O L S Installation and Maintenance Instructions IMP400 07 Please read all instructional literature carefully and thoroughly before starting Refer to the final page for the listing of Recommended Practices Liabilities and Warrantees 400 Series Pressure Controls Types H400 H402 H403 H400K H402K J400 J402 J403 J400K J402K Part I Installation WIRING DISCONNECT ALL SUPPLY CIRCUITS BEFOR...

Page 2: ...acy at the dial midpoint Switches may be set together or apart up to 100 of the range scale On dual switch models either switch may be set high On triple switch models the third middle switch has no over travel mechanism and must always be set to the highest pressure when the switches are set apart Altering the setting of one switch will usually have little effect on the other s however re calibra...

Page 3: ...163 58 1 4 451 453 454 4 28 108 74 1 4 Differential Pressure 448 450 452 5 03 127 79 1 4 147 157 6 13 155 57 1 4 520 525 8 62 218 90 1 2 S147B S157B 6 13 155 57 1 2 530 535 8 12 206 20 1 2 455 559 7 00 178 05 1 4 540 543 7 90 200 7 1 8 544 547 8 06 204 7 1 8 Option M210 Differential Pressure Indication Surface Mounting Hardware Part Number 6361 704º Dimensions Figure 3 Span Adjust Screw Figure 2 Z...

Page 4: ...ed is upon delivery free from defects in material and workmanship and that any such product which is found to be defec tive in such workmanship or material will be repaired or replaced by UE F O B UE provided however that this warranty applies only to equipment found to be so defective within a period of 12 months after installation by buyer but not to exceed 18 months after delivery by the seller...

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