CRYOGENIC
Type 28641 - Topwork
for Cryogenic-Globe and Globe/Check Valves
"Fire safe" type test approval acc. to EN ISO 10497


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


Part No. 28641.X.0010 (H=270mm)
Part No. 28641.X.0020 (H=370mm)



Part No. 28641.X.5010 (H=270mm) with check function
Part No. 28641.X.5020 (H=370mm) with check function



suitable for:

TypeNominal size
01641DN10 - DN150
01645DN10 - DN50
03641DN25 - DN150


 
Type 28641 - Topwork
 

Materials

DIN EN

ASTM

1 Valve seal PTFE / Carbon filled (25%)
2 Disc 1.4301 A 276 Grade 304
3 Bonnet gasket Graphite
4 Headpiece 1.4301 / 1.4308 A 276 Grade 304 / A 351 CF8
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 / MICA
9 Gland nut 1.4305 A 276 Grade 303
10 Handwheel 1.4409 A 351 CF3M
11 Spring 1.4310 A 313 Grade 301
12 Bush CW452K B 159 UNS C51900
 
Type 28641 - Topwork
 

Type 28641Technical data
Nominal size DN101520253240506580100150
Dimension code.X.01000150020002500320040005000650080010001500
HeightH270 mm or 370mm370370370420
Number of bolts444444666812
Handwheel-ØB100100100100125125125200250315350
Weightca. kg1.01.11.41.42.02.43.05.56.89.518.4
Dimensions in mm.

Produktdetails Produktanfrage


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