CRYOGENIC
Type 28751 - Topwork
for Cryogenic-Globe and Globe/Check Valves

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


Part No. 28751.X.0000
Part No. 28751.X.5000 with check function




suitable for:

TypeNominal size
01751DN10 - DN100
01755DN10 - DN50
03751DN25 - DN150


 
Type 28751 - 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 Stem 1.4401 A 276 Grade 316
7 Gland packing Graphite / PTFE / MICA
8 Gland nut 1.4404 A 276 Grade 316L
9 Handwheel 1.4409 A 351 CF3M
10 Spring 1.4571 A 313 Grade 316Ti
11 Bush CW452K B 159 UNS C51900
 
Type 28751 - Topwork
 

Type 28751Technical data
Nominal sizeDN101520253240506580100150
Dimension code.X.01000150020002500320040005000650080010001500
HeightH130130130130155160185240285320380
Number of bolts444444666812
Handwheel-ØB100100100100125125125200250315360
Weightca. kg0.60.70.951.01.51.92.74.85.98.418.0
Dimensions in mm.

Produktdetails Produktanfrage


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