CRYOGENIC
Type 28741 - Topwork
for Cryogenic-Globe and Globe/Check Valves

Stainless steel topwork, “live loaded” gland packing “cleaned and degreased for oxygen service"


Part No. 28741.X.0010 (H=270mm)
Part No. 28741.X.0020 (H=370mm)
Part No. 28741.X.5010 (H=270mm) with check function
Part No. 28741.X.5020 (H=370mm) with check function



suitable for:

TypeNominal size
01741DN10 - DN150
01745DN10 - DN50
03741DN25 - DN150


 
Type 28741 - Topwork
 

Materials

DIN EN

ASTM

1 Valve seal PCTFE (Kel-F)
2 Disc 1.4401 A 276 Grade 316
3 Bonnet gasket Graphite
4 Headpiece 1.4404 A 276 Grade 316L
5 Bolts 1.4571/A4 similar A 194 B8T
6 Elongation tube 1.4571 A 213 TP 316Ti
7 Stem 1.4401 A 276 Grade 316
8 Gland packing Graphite / PTFE / MICA
9 Gland nut 1.4404 A 276 Grade 316L
10 Handwheel 1.4409 A 351 CF3M
11 Spring 1.4571 A 313 Grade 316Ti
12 Bush CW452K B 159 UNS C51900
 
Type 28741 - Topwork
 

Type 28741Technical data
Nominal sizeDN101520253240506580100150
Dimension code.X.01000150020002500320040005000650080010001500
HeightH270mm or 370mm370370370420
Number of bolts444444666812
Handwheel-ØB100100100100125125125200250315360
Weightca. kg1.01.11.41.42.02.43.05.56.89.519.0
Dimensions in mm.

Produktdetails Produktanfrage


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