9
Table 4.1
General Notes:
Parenthesis in type number indicates orifice designation and valve construction, example: 26FA10
Valve Bill of Materials
Item Part Name Conventional (A10) Material BalanSeal (A11) Material
1 Body
26( )( )10 thru 26( )( )16 SA-216 Gr. WCB, Carbon Steel SA-216 Gr. WCB, Carbon Steel
26( )( )32 thru 26( )( )36 SA-217 Gr. WC6, Chrome Moly SA-217 Gr. WC6, Chrome Moly
2 Bonnet
26( )( )10 thru 26( )( )16 SA-216 Gr. WCB, Carbon Steel SA-216 Gr. WCB, Carbon Steel
26( )( )32 thru 26( )( )36 SA-217 Gr. WC6, Chrome Moly SA-217 Gr. WC6, Chrome Moly
3 Cap Carbon Steel Carbon Steel
4 Disc 316 St. St. 316 St. St.
5 Nozzle 316 St. St. 316 St. St.
6 Disc Holder 316 St. St. 316 St. St.
7 Blow Down Ring 316 St. St. 316 St. St.
8 Sleeve Guide 316 St. St. 316 St. St.
9 Stem 316 St. St. 316 St. St.
10 Spring Adjusting Screw Stainless Steel Stainless Steel.
11 Jam Nut (S.A.S.) 316 St. St. 316 St. St.
12 Lock Screw (B.D.R.) 316 St. St. 316 St. St.
13 Lock Screw Stud 316 St. St. 316 St. St.
14 Stem Retainer 17-4 Ph. St. St. 17-4 Ph. St. St.
15 Bellows (not shown) N/A Inconel Composite
16 Bellows Gasket (not shown) N/A Non-Asbestos
17 Spring Button Carbon Steel, Rust Proofed Carbon Steel, Rust Proofed
18 Body Stud ASME SA-193 Gr. B7, Alloy Steel ASME SA-193 Gr. B7, Alloy Steel
19 Lock Screw (D.H.) Stainless Steel Stainless Steel
20 Spring
26( )( )10 thru 26( )( )16 Chrome Alloy Rust Proofed Chrome Alloy Rust Proofed
26( )( )32 thru 26( )( )36 High Temp. Alloy Rust Proofed High Temp. Alloy Rust Proofed
21 Cap Gasket 316 St. St. 316 St. St.
22 Body Gasket 316 St. St. 316 St. St.
23 Bonnet Gasket 316 St. St. 316 St. St.
24 Lock Screw Gasket 316 St. St. 316 St. St.
25 Hex Nut (B.D.R.L.S.) Stainless Steel Stainless Steel
26 Hex Nut (Body) ASME SA-194 Gr. 2H, Alloy Steel ASME SA-194 Gr. 2H, Alloy Steel
27 Pipe Plug (Bonnet) Steel N/A
28 Pipe Plug (Body) Steel Steel
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