CRYOGENIC
Type 28311 - Topwork
for Cryogenic-Globe and Globe/Check Valves

Bronze topwork "live loaded" gland packing "cleaned and degreased for oxygen service"


Part No. 28311.X.0010 (H=270mm)
Part No. 28311.X.0020 (H=370mm)


Part No. 28311.X.5010 (H=270mm) with check function
Part No. 28311.X.5020 (H=370mm) with check function



suitable for:

TypeNominal size
01311, 01315, 02411DN10 - DN50
01321DN10 - DN150
01325DN10 - DN50
03321DN25 - DN150
07003 - only drain valveDN15
07004 - only drain valveDN15


  
Type 28311 - Topwork
 

Materials

DIN EN

ASTM
1 Valve seal PTFE / Carbon filled (25%)
2 Disc CW614N B 283 UNS C38500
3 Bonnet gasket PTFE
4 Headpiece CC493K B 505 UNS C93200
5 Bolts 1.4301/A2 A 194 B8
6 Elongation tube 1.4541 A 213 TP 321
7 Stem 1.4301 A 276 Grade 304
8 Gland packing Graphite / PTFE
9 Gland nut CW614N B 283 UNS C38500
10 Handwheel Aluminium alloy
11 Spring CW452K B 159 UNS C51900
 
Type 28311 - Topwork
 

Type 28311Technical data
Nominal size DN101520253240506580100150
Dimension code.X.01000150020002500320040005000650080010001500
HeightH270 mm or 370 mm370370370420
Number of bolts44444466666
Handwheel-ØB100100100100125125125200250315350
Weightca. kg1.01.11.41.42.02.43.05.56.89.518.4
Dimensions in mm.

Produktdetails Produktanfrage


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