Instruction and Operation Manual
Table 1 Valve main parts and material
ITEM PART NAME CARBON STEEL ALLOY STEEL STAINLESS STEEL
1
Body A216 WCB A352 LCB A352 LCC A217 WC6 A217 C5 A351 CF8
A351
CF8M
A351 CF3 A351 CF3M
A351
CF8C
2
Seat Ring A105 A350 LF2 A350 LF2 A182 F11 A182 F5 A182 F304
A182
F316
A182
F304L
A182
F316L
A182
F321
3
Disc A216WCB A352 LCB A352 LCC A217 WC6 A217 C5 A351 CF8
A351
CF8M
A351 CF3 A351 CF3M
A351
CF8C
4
Disc Thrust Plate A276 420 A276 304 A276 304 A276 420 A276 304 A276 316 A276 304L A276 316L A276 321
5
Disc Nut A276 410 A276 304 A276 304 A276 410 A276 304 A276 316 A276 304L A276 316L A276 321
6
Stem A182 F6 A182 F304 A182 F304 A182 F6 A182 F5 A182 F304
A182
F316
A182
F304L
A182
F316L
A182
F321
7
Bonnet Bolt Nuts A194 2H A194 4 A194 4 A194 4 A194 4 A194 8
8
Bonnet Bolts A193 B7 A320 L7 A320 L7 A193 B16 A193 B16 A193 B8
9
Gasket
CL150-300
304+Graphite
304+Graphite 304+Graphite 304+Graphite 316+Graphite
CL600-2500
Ring Joint
304
304 304 304 316
10 Backseat Bushing A276 410 A276 304 A276 304 A276 410 A276 304 A276 316 A276 304L A276 316L A276 321
11
Stem Packing
Braided Graphite &
Die formed Graphite Ring
Braided Graphite &
Die formed Graphite Ring
Braided Graphite &
Die formed Graphite Ring
12 Bonnet A216 WCB A352 LCB A352 LCC A217WC6 A217 C5 A351CF8
A351
CF8M
A351 CF3 A351 CF3M
A351
CF8C
13 Eye Bolt Pins Carbon Steel A276 410 Stainless Steel
14 Gland A276 410 A276 304 A276 304 A276 410 A276 304 A276 316 A276 304L A276 316L A276 321
15 Gland Flange A216 WCB A352 LCB A352 LCC A217 WC6 A217 C5 A351CF8
A351
CF8M
A351 CF3 A351 CF3M
A351
CF8C
16 Gland Eye Bolts A307 B A320 L7 A320 L7 A193 B16 A193 B16 A193 B8
17
Eye Bolt Nuts
A194 2H A194 4 A194 4 A194 4 A194 4 A194 8 A194 8 A194 8 A194 8 A194 8
18 Yoke Bush A439 D-2 A439 D-2 A439 D-2
19 Screw Carbon Steel Carbon Steel Stainless Steel
20 Handwheel Ductile Iron Ductile Iron Ductile Iron
21 Handwheel Nut Carbon Steel Carbon Steel Stainless Steel
22 Washe
Carbon Steel Carbon Steel Stainless Steel
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