Babcock Valves plantSTANDARD MATERIALS

 

Part
Denomination
Carbon
steel
Alloy
steel
Stainless
steel
1
BODY
ASTM
A 216 WCB
ASTM
A 217 WC9
ASTM
A 351 CF8M
2
BONNET
ASTM
A 105
ASTM
A 182 F22
ASTM
A 182 F316
3
YOKE
ASTM
A 216 WCB
ASTM
A 216 WCB
ASTM
A 216 WCB
4
STEM
ASTM
A 182 F6A
ASTM
A 182 F6A
ASTM
A 182 F316
5
GLAND
ASTM
A 182 F6A
ASTM
A 182 F6A
ASTM
A 182 F316
6
SEAT
RING
ASTM
A105+STELLITE
ASTM
A182F22+STELLITE
ASTM
A351CF8M+STELLITE
7
UPPER
WEDGE
ASTM
A216WCB+STELLITE
ASTM
A217WC9+STELLITE
ASTM
A351CF8M+STELLITE
7A
LOWER
WEDGE
ASTM
A216WCB+STELLITE
ASTM
A217WC9+STELLITE
ASTM
A351CF8M+STELLITE
9
DISC
ASTM
A105+STELLITE
ASTM
A182F22+STELLITE
ASTM
A351CF8M+STELLITE
11
YOKE
SLEEVE
ALUMINIUM-BRONZE
ALUMINIUM-BRONZE
ALUMINIUM-BRONZE
13
BACK
SEAT
ASTM
A105+STELLITE
ASTM
A182F22+STELLITE
ASTM
A182F316+STELLITE
15
HANDWHEEL
CARBON
STEEL
CARBON
STEEL
CARBON
STEEL
17
PRESSURE
SEAL GASKET
COMPRESSED & BRAIDED
GRAPHITE
COMPRESSED & BRAIDED
GRAPHITE
COMPRESSED & BRAIDED
GRAPHITE
20
SLEEVE
NUT
CARBON
STEEL
CARBON
STEEL
CARBON
STEEL
22
GLAND
NUT
ASTM
A 194 2H
ASTM
A 194 2H
ASTM
A 194 2H
24
YOKE
FLANGE
CARBON
STEEL
CARBON
STEEL
CARBON
STEEL
56
WEDGE
SPRING
AISI
302
AISI
302
AISI
302
68
INTERMEDIATE
PACKING
GRAPHITE
GRAPHITE
GRAPHITE
68A
END
PACKING
BRAIDED
GRAPHITE
BRAIDED
GRAPHITE
BRAIDED
GRAPHITE
75
BEARING
COMMERCIAL
COMMERCIAL
COMMERCIAL
80
DISC
RETAINER
ASTM
A515Gr70
ASTM
A182F6A
ASTM
A182 F316
87
SPRING
WASHER
AISI
304
AISI
304
AISI
304
111
YOKE
FLANGE CAP SCREW
AISI
4140
AISI
4140
AISI
4140
111A
BONNET
CAP SCREW
AISI
4140
AISI
4140
AISI
4140
118
GLAND
RETAINER CAP SCREW
AISI
4140
AISI
4140
AISI
4140
125
GLAND
FLANGE
ASTM
A 515 Gr 70
ASTM
A 515 Gr 70
ASTM
A 515 Gr 70
127
YOKE
CLAMP STUD
ASTM
A 193 B7
ASTM
A 193 B7
ASTM
A 193 B7
128
GLAND
BOLT
ASTM
A 193 B7
ASTM
A 193 B7
ASTM
A 193 B7
129
YOKE
CLAMP NUT
ASTM
A 194 2H
ASTM
A 194 2H
ASTM
A 194 2H
129A
DISC
RETAINER NUT
ASTM
A 194 2H
ASTM
A 194 2H
ASTM
A 194 2H
132
SPACER
RING
ASTM
A 105
ASTM
A 182 F22
ASTM
A 182 F316
133
GASKET
RETAINER
ASTM
A 105
ASTM
A 182 F22
ASTM
A 182 F316
134
BONNET
RETAINER
ASTM
A 515 Gr 70
ASTM
A 515 Gr 70
ASTM
A 515 Gr 70
193
YOKE
CLAMP
ASTM
A 515 Gr 70
ASTM
A 515 Gr 70
ASTM
A 515 Gr 70
194
GLAND
RETAINER
ASTM
A 515 Gr 70
ASTM
A 515 Gr 70
ASTM
A 515 Gr 70
195
GREASE
FITTING
COMMERCIAL
COMMERCIAL
COMMERCIAL
198
WEDGE
PIN
AISI
431
AISI
431
AISI
431
198A
COTTER
PIN
STAINLESS
STEEL
STAINLESS
STEEL
STAINLESS
STEEL

 

OTHER MATERIALS

Other materials are available on request. The trim components are:

  • Stem
  • Seat ring seating surfaces
  • Disc seating surfaces
  • Back seat seating surface