User Guide

Technical Instructions RL 147 Positioning Relay
Document Number 155-038P25
April 1, 2005
Page 8 Siemens Industry, Inc.
Calibration,
Continued
Table 2. Spring Selection.
Spring Travel Range Recommended Springs
Nominal
Inches (mm)
Max. Allowable
Inches (mm)
Part Number Size and Color
5/32 (5.0) 1/4 (6.4) 147-298 Small Green
1/4 (6.4) 3/8 (9.5) 147-289 Small Cadmium Plate
3/8 (9.5) 1/2 (13) (2)147-298 Small Green
3/4 (19) 1 (25) 147-290 Small Red
1 (25) 1-1/4 (32) 147-291 Long Green
1-1/4 (32) 1-5/8 (41) 147-289 plus 147-291 Small Cadmium Plate plus Long Green
1-1/2 (38) 2 (51) (2) 147-290 Small Red
1-3/4 (44) 2-1/4 (57) 147-290 plus 147-291 Small Red plus Long Green
2 (51) 2-1/2 (64) (2) 147-291 Long Green
2-3/8 (60) N/A 147-105 2" Red
3 (76) 3-1/4(83) 147-292 Long Cadmium Plate
3-3/4 (95) 4 (102) 147-301 3" Red
4 (102) 4-1/4 (108) 147-293 Blue
4 (102) 6 (152) 147-313 Zinc Pl. or Yell. Chr.
7 (178) 12-1/4 (311) 147-330 Zinc Plate
Table 3. Stem Travel for VP 591 Bronze Body Valves.
Stem Travel Inches (mm) Line Size
Inches
(mm)
Single
Seat
Double Seat WM
1/2 (13) 3/8 (9.5) — 1/8 (3.2)
3/4 (19) 3/4 (19) — 3/16 (4.8)
1 (25) 3/4 (19) 3/16 (4.8) 1/4 (6.4)
1-1/4 (32) 1 (25) 1/4 (6.4) 5/16 (7.9)
1-1/2 (38) 1 (25) 1/4 (6.4) 5/16 (7.9)
2 (51) 5/8 (16) 3/8 (9.5) N.O.
5/16 (7.9) N.C.
5/16 (7.9)
Table 4. Stem Travel for VF 599 Valve Bodies.
Stem Travel in Inches (mm) Line size
in Inches
(mm)
8-inch
Actuator
12-inch
Actuator
1/2 through 2
(15 though 50)
3/4 (20) —
2-1/2 (65) 3/4 (20) 3/4 (20)
3 (80) 3/4 (20) 3/4 (20)
4 (100) — 1-1/2 (40)
5 (125) — 1-1/2 (40)
6 (150) — 1-1/2 (40)