a
Registered trademark of the DuPont company.
b
_ denotes O-ring code. See chart above.
Appendix E—Parts Details for Models T166-1.25 and T166-1.5"
Ref.
No.
Part No. Description Qty
1. 2911 Adjusting screw 1
2. 7101-037NC01A Head head nut—3/8-16 1
3. 2732 Center headbolt gasket — Steel 1
4. 113 4 Bonnet 1
5. 7002-037NC087A
Socket head—3/8-16 X 7/8",
gr 8
4
6. 113 6 Spring seal 1
7. 2-217_
b
O-ring 1
8.
1138 Spring (25 to 60 psi) 1
1193 Spring (50 to 150 psi) 1
9.
1193
Spring (100 to 225 psi)
1
1313 1
Ref.
No.
Part No. Description Qty
10. 2215 Valve 1
11. 2-224_
b
O-ring 1
12.
1320-2 Body—T166–1-1/4" 1
1320-3 Body—T166–1-1/2" 1
13. 7012-006SF019E
Pan head Phillip - 6-32
X3/16"-TYP
2
14. 2216 Nameplate 1
15. 3442 Pipe plug–1/4 NPT 1
1
2
3
4
13
14
15
6
7
5
8
9
10
11
12
O-ring Code
A Buna-N
B Neoprene
®a
D Viton
®a
G Ethylene
propylene
K Kalrez
®a
14
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