Liquid Controls PT Series - Page 26

Appendix E—Part Details for the PT25 with Standard Bypass Valve
1
2
3
4
(15 ft•lb)
7
8
5
6
9
16
10
11
12
13
14
15
13
17
18
(25 ft•lb)
19
20
5
21
22
24
23
34
36
25
26
27
(25 lb•ft)
19
18
(25 ft•lb)
16
17
38
11
37
28
29
30
31
32
33
35
39
No. Part Number Description Qty.
1 4667 Bypass valve cap 1
2 4665 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 1
7 4645 Bypass valve cover 1
84647 Spring guide 1
9
4646 Spring (50–110 psi)—std.
1
4756 Spring (110–125 psi)—opt.
10 4662 Shaft cover 1
11 4697 Dirt shield 2
12 4643 Bypass valve 1
13 3442 Pipe plug - 1/4 in. 2
14 4660 Bypass valve cover gasket 1
15 4639 Case 1
16 4658 Flange gasket 2
17
4644 Flange (2-1/2 in. NPT)—std. 2
4644-1 Flange (2-1/2 in. BSPT)—opt. 2
4568 Flange (2-1/2 in. weld)—opt. 2
4698 Neck flange (2 in. NPT)—opt. 2
4698-1 Neck flange (2 in. BSPT)—opt. 2
18 7001-050NC175A Hex head bolt 8
No. Part Number Description Qty.
19 4735 Flange plug 2
20 4624 Nameplate 1
21 4696 Vane 6
22 4652 Vane driver 3
23 4641-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 PT25 is shown below. All parts for
the PT25 are the same except for the rotor shaft
assembly and blind bearing cap.
Part Number 4699
Locknut Wrench
26