Item No. Part Name Standard Material
SA-351, Gr. CF8M St. St.
1 Body or
SA-479 Type 316 St. St.
2 Bonnet SA-216, Gr. WCB, Carb. St.
3 Disc 316 St. St.
4 Guide 316 St. St.
5 Disc Holder 316 St. St.
6 Stem 316 St. St.
7 Spring Adj. Screw 316 St. St.
8 Jam Nut 316 St. St.
9 Cap, Plain Screwed Carbon Steel
10 Cap Gasket 316 St. St.
11 Body Gasket 316 St. St.
12 Guide Gasket 316 St. St.
13 Spring (-20° to +750°F) Chrome Alloy, Rust Proofed
14 Spring Buttons 316 St. St.
15 Wire Seal St. St. Wire / Lead Seal
16 Nameplate (Not Shown) Stainless Steel
17 Welding Nipple (Inlet) 316 St. St.
18 Welding Nipple (Outlet) Carbon Steel
19 Lap Joint Stub End (Inlet) 316 St. St.
20 Lap Joint Stub End (Outlet) Carbon Steel
21 Lap Joint Flange (Inlet) Carbon Steel
22 Lap Joint Flange (Outlet) Carbon Steel
5
3
4
6
12
11
1
13
2
7
8
15
9
10
14
O-Ring Design
(Optional)
17
18
19
21
22
20
O-Ring Retainer
Retainer
Lockscrew
Bill of Materials
NB
Built in conformance to ASME Code
Section VIII, capacity certified by National
Board for air, gas, steam and liquid.
Figure 1.2
Figure 1.3 Figure 1.4
4
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