Samson 44-6 B, Mounting And Operating Instructions, Page: 21 / 66

EB 2626-2 EN 3-7
Design and principle of operation
Table 3-3: K
VS
coefficients and x
FZ
values · Terms for noise level calculation according to
VDMA 24422 (edition 1.89)
Body with screwed ends
Connection size
G ½ · ½ NPT G ¾ · ¾ NPT G 1 · 1 NPT
K
VS
coefficients
Standard version
1)
3.2 4.0 5.0
Special version 3) 0.4 2) · 1.0 1) 4) · 2.5
C
V
coefficients
Standard version 1) 4.0 5.0 6.0
Special version
3)
0.5
2)
· 1.2
1) 4)
· 3.0
x
Fz
values 0.60 0.55
Flanged body
Valve size
DN 15/NPS ½ DN 25/NPS 1 DN 40 DN 50
K
VS
coefficients
Standard version 3.2
1)
5.0
1)
16.0 20.0
Special version
3)
0.4
2)
· 1.0
1) 4)
· 2.5 8.0
2)
C
V
coefficients
Standard version 4.0 1) 6.0 1)
– –
Special version
3)
0.5
2)
· 1.2
1) 4)
· 3.0
x
Fz
values 0.60 0.55 0.40
1)
Also available as special version for regulators with stainless steel body and FFKM soft seal
2)
Metal seal
3)
Unbalanced
4)
Soft seal. Seal material: EPDM, FKM or PTFE