4150K and 4160K Series
29
Figure 20. Typical Direct-Acting 4160K Series Assembly
NOTE:
KEYS: 10, 81, 105, 115 NOT SHOWN
48B6002-A
B2653-1 / IL
PILOT RELAY
PROPORTIONAL
BAND
ADJUSTMENT
SUBASSEMBLY (KEY NOS.
SHOWN IN FIGURE 20 OR 21)
RESET RESTRICTION
VALVE ASSEMBLY
Key
Description
Part Number
39
Washer, steel pl
1R9820 25072
40
Machine Screw, steel pl
1E1758 28982
41
Calibration Adjuster, steel pl
2H2662 44012
42
Washer, steel (2 req’d)
1E8730 28992
43
Machine Screw, steel pl (2 req’d)
1A5733 X0012
44
Beam, steel
1H2668 25072
45
Flapper, Invar
1H2669 41132
46
Machine Screw, steel pl
1B2751 28992
47
Cross Spring, sst (2 req’d)
1H2660 37032
48
Washer, steel pl (4 req’d)
1H2671 28982
49
Machine Screw, steel pl (4 req’d)
1A3461 28982
50
Spacer, zinc
1H2659 44012
51
Bellows Stud, brass (not shown)
1H2658 14012
52*
Feedback Bellows Ass’y
Brass
3–15 psig (0.2–1.0 bar) (2 req’d)
14A5726 X012
6–30 psig (0.4–2.0 bar) (2 req’d)
14A5726 X032
Stainless steel
3–15 psig (0.2–1.0 bar) (2 req’d)
14A5726 X022
6–30 psig (0.4–2.0 bar) (2 req’d)
14A5726 X042
53*
Gasket
Std Temp, neoprene (2 req’d)
1D3970 03012
High Temp, silicone (2 req’d)
1N8736 04142
54
Bellows Screw (2 req’d)
Brass
22B8036 X012
Stainless steel
22B8036 X022
Key
Description
Part Number
Note
A total of 5 O-rings (key 55) are used. 1 O-ring is
used under the sealing screw (key 56), 1 O-ring
is used under the reversing blockscrew (key
61), 1 O-ring is used between the reversing
block ass’y (key 59) and the calibration adjustor
(key 41), and 1 O-ring is used in the recessed
area under the head of each of the bellows
screws (key 54).
55*
O-Ring,
Std Temp, nitrile (5 req’d)
1D6875 06992
High Temp, fluoroelastomer (5 req’d)
1N4304 06382
56
Sealing Screw, sst
14A5721 X012
57*
Nozzle, sst
1U6391 35132
58*
Nozzle O-Ring,
Std Temp, nitrile
1E2226 06992
High Temp, fluoroelastomer
1N8387 06382
59
Reversing Block, steel pl
26A0975 X012
60
Sleeve, Delrin
16A0976 X012
61
Reversing Block Screw, sst
24A5720 X012
62*
Bourdon Tube
See following table
63
Machine Screw, steel pl
Bourdon tube instruments only (2 req’d)
1A3319 28982
64*
Connecting Link, Bourdon tube instruments only
Std., Monel
1L3796 41012
Bourdon tube w/optional travel stop,
Stainless steel
1L6112 35022
65*
Link Bearing, sst
Bourdon tube instruments only (2 req’d)
1L3795 46202
66
Travel Stop Assembly, steel
optional w/Bourdon tube
1H7793 000A2
*Recommended spare parts
