Liquid Controls PT Series - Appendix E-Part Details

Appendix E—Part Details for the PT20 with Standard Bypass Valve
1
2
3
4
(15 ft•lb)
7
8
5
6
9
19
18
(25 ft•lb)
16
17
13
14
15
13
16
17
18
(25 ft•lb)
19
20
5
22
23
21
24
30
31
25
26
27
(25 ft•lb)
28
29
32
33
34
35
36
11
37
38
39
12
11
10
No. Part Number Description Qty.
1 4667 Bypass valve cap 1
24665
Bypass valve adjustment
stem
1
3 4659 Bypass valve cap gasket 1
4 4613 Drilled - hex head bolt 4
57012-006SF019E
Pan HD phillip 6-32 X3/16
in.-type F plated
2
6 4626 Bypass valve tag
7 4675 Bypass valve cover 1
84647 Spring guide 1
9
4764 Spring (35–50 psi)—opt.
1
4765 Spring (50–75 psi)—opt.
4676 Spring (75–110 psi)—std.
4766 Spring (110–125 psi)—opt.
10 4662 Shaft cover 1
11 4697 Dir t shiel d 2
12 4674 Bypass valve 1
13 3442 Pipe plug - 1/4 in. NPT 2
14 4767 Bypass valve cover gasket 1
15 4670 Case 1
16 4688 Flange gasket 2
17
4673 Flange (2 in. NPT)—std. 2
4673-1 Flange (2 in. BSPT)—opt. 2
4666 Flange (2 in. weld)—opt. 2
18 7001-037NC125A Hex head bolt 8
19 4695 Flange plug 2 in. 2
No. Part Number Description Qty.
20 4624 Nameplate 1
21 4677 Vane 4
22 4678 Vane driver 2
23 4671-X2 Rotor shaft assembly 1
24 4653 Shaft key 1
25 2-258_
2
O-ring 2
26 4640 Head 2
27 7001-037NC100A Hex head bolt 16
28 4634-X_
2
_
3
Seal assembly 2
29 4648 Ball bearing 2
30 4654 Shaft lockwasher 2
31 4655 Shaft locknut 2
32 4657 Bearing cap gasket 2
33 4650 Grease seal 2
34 1343 Grease relief fitting 2
35 4649 Bearing cap 2
36 7001-037NC075A Hex head bolt 8
37 4651 Shaft protector 1
38 2158 Grease zerk 2
39 2159 Lubricap 2
O-ring Code Chart
ABuna-N
DViton®
1
Seal Seat Material Code Chart
2Cast iron
1
Viton® is a registered trademark of the DuPont company
2
See O-ring material code chart
3
See seal seat material code chart
Note: The PT20 is shown below. All parts for
the PT20 are the same except for the rotor shaft
assembly and blind bearing cap.
Part Number 4699
Locknut Wrench
25