4150K and 4160K Series
30
Figure 20. Typical Direct-Acting 4160K Series Assembly (Continued)
48B6001-B / DOC
NOTES:
ARROW DOWN—RELIEVES ON DECREASING OUTPUT (OUTPUT @ SUPPLY DURING SHUTDOWN)
ARROW UP—RELIEVES ON INCREASING OUTPUT (OUTPUT @ ZERO DURING SHUTDOWN)
KEY 21 IS NOT SHOWN.
1
1
2
2
Key Description Part Number
67 Lockwasher, steel pl (2 req’d)
Use w/optional Bourdon tube travel stop 1H2672 28982
68 Machine Screw, steel pl (2 req’d)
Use w/optional Bourdon tube travel stop 1H2676 28982
69 Cap Screw, steel pl
Use w/optional Bourdon tube travel stop 1H7792 32982
70 Bellows Yoke, zinc
Use w/gauge & differential pressure bellows 2H4538 44012
71* Gauge Pressure Bellows (input)
(2)
Brass
0–60 inches wc (0–150 mbar) positive, 6–60 inches wc
(0–150 mbar) vacuum, & 30–0–30 inches wc
(75–0–75 mbar) compound 1L3780 000A2
0–100 inches wc (0–250 mbar) positive,
Type 4158K only 1L3788 000A2
0–5 psig (0–0.35 mbar) positive and for
0–10 inches Hg (0–350 mbar) vacuum 1L3781 000A2
0–7.5 psig (0–0.5 bar) positive, 4158K only 1L3789 000A2
0–10 psig (0–0.7 bar) positive 1L3782 000A2
0–15 psig (0–1.0 bar) positive, 0–30 inches Hg
(0–1.0 bar) vacuum, & 15–0–7.5 psig
(500–0–500 mbar) compound 1L3783 000A2
0–20 psig (0–1.4 bar) positive 1L3784 000A2
0–30 psig (0–2.0 bar) positive & 30–0–15 psig
(1.0–0–1.0 bar) compound 1L3785 000A2
Stainless steel,
0–15 psig (0–1.0 bar) positive, 0–30 inches Hg
(0–1.0 bar) vacuum, & 15–0–7.5 psig
(500–0–500 mbar) compound 1L3786 000A2
0–30 psig (0–2.0 bar) positive, 30–0–15 psig
(1.0–0–1.0 bar) compound 1L3787 000A2
Key Description Part Number
71* Differential-Pressure Bellows (input)
Brass
0–80 inches wc (0–200 mbar) 2L3790 000A2
0–10 psi (0–0.7 bar) 2L3791 000A2
0–20 psi (0–1.4 bar) 2L3792 000A2
Stainless steel,
0–30 psi (0–2.0 bar) 2L3793 000A2
71K Machine Screw, steel pl
(3)
bellows sensing instruments only (2 req’d) 1A3319 28982
71L* Bearing
(3)
bellows sensing instruments only (2 req’d) 1L3795 46202
71M* Link
(3)
bellows sensing instruments only 1L3796 41012
72 Jam Nut, steel pl
Gauge pressure bellows instruments only 1A9463 24122
73 Washer, steel pl
Gauge pressure bellows instruments only 1B8659 28982
74 Spring Seat, pl brass
Gauge pressure bellows instruments only 1H4532 14022
75 Machine Screw, steel pl
Gauge & differential pressure
bellows instruments (4 req’d) 1H2676 28982
76 Washer, steel pl
for Bourdon tube instruments (2 req’d) 1H2672 28982
for bellows sensing instruments (4 req’d) 1H2672 28982
77 Machine Screw, steel pl
Bourdon tube instruments only (2 req’d) 1H2677 28982
*Recommended spare parts
2.If ordering the bellows (key 71) to change the range of a gauge pressure
controller, also order the appropriate bellows spring (key 80). Also order keys
72, 73, and 74, if you do not have them.
3.This part is part of the bellows assembly, key 71
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