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
Visit www.boighill.com to request a quote.
Visit www.boighill.com to request a quote.