Niezgodka 21 - Page 5

Niezgodka GmbH
www.niezgodka.de

t
d
S A
E
Hl
d o
SW
A
S
E
¾
100
100
80
4,2
100
65 60 18 2901
600
1100
250
600
19
0,08
0,08
0,08
0,08
32 16 14
1 39 18 18
50
8
6
12,5
8
0,05
0,05
0,05
0,05
275
Relief-Valve, springloaded
for steam, gases and liquids in closed completion
GB
Typ 21
K 21-E
04 / 2014
Inlet Outlet
Set pressure Weight
E S
E
[mm]
p min.
[bar(g)]
p max.
[bar(g)] ~ [kg]
Height ´H´ for head
A
[mm]
[mm]
d
[mm]
l (G)
[mm]
l (NPT)
[mm]
SA
[mm]
[mm]
A
t (G) t (NPT)
Dimensions
[mm][mm]
doSW
C
[mm]
Coefficient
D/G
α w max.
F
α w
Size
other design on request
Connections:
Screwed connection: DIN ISO 228 / ASME B1.20.1
Typ 21.2:
soft seated
see techn. appendix: KWD-1
-60°C to 280°C
head Chead A
1.4571 / 1.4581
P E D
S
P
Standard version:
Material:
Temperature ranges
metal seated
Inlet body / Spring bonnet
Pressure Equipment Directive: 97/23/EG
Declaration of Conformity
Approvals: