Page 9
Series 77 & 78 Installation, Operating & Maintenance
15
8
1
2
3
5
5
14
16
10
12
13
7
9
6
11
17
78 Series – 1 ½” ~ 2” (DN40~DN50)
77 Series – 3” ~ 8” (DN80~DN200)
Item
Description
Material Specification
Qty.
1
Body
G-X6CrNiMo-18-10 (1.4408),
S.St ASTM A351 CF8M, C.St A216 WCB,
ASTM A494 CW12MW, ASTM B574,
ASTM A351 CN7M, ASTM A494 M35-1,
ASTM A351 CK3MCuN, ASTM A351
CD4MCU, ASTM A995 UNS J93388
1
2
End
G-X6CrNiMo-18-10 (1.4408),
S.St ASTM A351 CF8M, C.St A216 WCB,
ASTM A494 CW12MW, ASTM B574,
ASTM A351 CN7M, ASTM A494 M35-1,
ASTM A351 CK3MCuN, ASTM A351
CD4MCU, ASTM A995 UNS J93388
1
3
Ball
G-X6CrNiMo-18-10 (1.4408),
S.St ASTM A351 CF8M, C.St A216 WCB,
ASTM A494 CW12MW, ASTM B574,
ASTM A351 CN7M, ASTM A494 M35-1,
ASTM A351 CK3MCuN, ASTM A351
CD4MCU, ASTM A995 UNS J93388
1
4
Stem
G-X6CrNiMo-18-10 (1.4408),
S.St ASTM A351 CF8M, C.St A216 WCB,
ASTM A494 CW12MW, ASTM B574,
ASTM A351 CN7M, ASTM A494 M35-1,
ASTM A351 CK3MCuN, ASTM A351
CD4MCU, ASTM A995 UNS J93388
1
5
Seat
PTFE, RPTFE, CF PTFE, PEEK, TFM,
UHMWPE, VESPEL, PVDF, DELRIN, PCTFE
2
6
Body Seal
PTFE, RPTFE, TFM, UHMWPE, Graphite,
Impregnated Graphite
1
7
Stem Thrust Seal PEEK, CF PTFE
1
8
Stop Pin
S.St. 303 ASTM A582
1
9
Stem Packing
CF PTFE, TFM
1
10
Follower
S.St. 316L ASTM B783
1-2
11
Stop Plate
S.St. 430 ASTM A240, C.St. ST37 zinc plated
2
12
Stem Nut
S.St. 316 ASTM A194
1-2
13
Locking Clip
S.St. 304 ASTM A164
1
14
Wrench Handle
C.St. ST37 zinc plated
1
15
Wrench Head
MALEABLE IRON
1
16
Wrench Bolt
S.St. 304 ASTM AISI 304
1
17
Body Bolts
S.St. 304 (931) A2-70
4-8
4
7
