Safety valves for cryogenic services
Type 29340 - Topwork

Topwork for Cryogenic-Gate Valves, PN50

Stainless steel topwork
one way tightening (in flow direction)
"live loaded" gland packing
"cleaned and degreased for oxygen service"
                   
Part No. 29340.0400.0010 (DN40)

Part No. 29340.X.0020

   Type 29340 Topwork for Cryogenic-Gate Valves, PN50

suitable for:

Type Nominal size
09340DN40 - DN80


Materials DIN EN
 ASTM
2
 Valve seal
 PTFE/Carbon filled (25%)
3
Disc
 CW452K
 B 103 UNS C51900
4
Wedge
 1.4308
A 351 CF8
5
Stem
 1.4301
 A 276 Grade 304
6
Bonnet gasket
 PTFE
7
 Headpiece
 1.4308
 A 351 CF8
8 Bolts
 1.4301/A2 A 194 B8
9 Elongation tube
 1.4541
A 213 TP 321
10 Gland packing
 Graphite / PTFE
11 Gland nut
 1.4305
 A 276 Grade 303
12Handwheel Aluminium alloy
13 Bush
CW452K B 103 UNS C51900

  Graph Type 29340 Topwork for Cryogenic-Gate Valves, PN50

Technical data
  Type 29340
Nominal size DN 25 40 50 65 80
Dimension code .X. - 4048 5060 657x
 8088
Height H
 - 320
 360
 370
 380
Number of bolts

-468
6
Handwheel-Ø B 
 -
 125
 150
 150 150
Weight ca. kg
 - 2.3 3.6
 4.2
 5.5

Dimensions in mm