Samson 3349 Mounting And Operating Instructions page 24

Design and principle of operation
Table 3-1: Technical data for Type 3349
Version
Body
Valve size
Without end
Maxi-
connections
mum
pressure
With end
connections
Seat-plug seal
Plug stem seal
Characteristic
Flow direction
Flow coefficients
Rangeability
Cleaning
Actuators
Permissible
temperatures
2)
3-6
Micro-flow valve
version
Standard version
Micro-flow valve
version
Standard version
Leakage class
according to
Metal seal
PEEK soft seal
1)
Micro-flow valve
version
Standard version
Operating
temperature
Sterilization
temperature
DIN
DN 6 to 25
DN 15 to 100
10 bar
25 bar
3)
EN 60534-4
PTFE diaphragm certified according to USP Class VI
Equal percentage or linear
Flow-to-open (standard for standard version)
Flow-to-close (always for micro-flow valves, possible for
standard version)
K : 0.01 to 0.25/C
VS
K : 0.4 to 160/C
VS
CIP (cleaning in place) or SIP (sterilization in place)
–10 to 160 °C
180 °C for up to 30 min
ANSI
Bar stock
NPS ¼ to 1
NPS ½ to 4
145 psi
360 psi
u T 8048-2
ANSI/FCI 70-2
IV
VI
: 0.012 to 0.3
V
: 0.5 to 190
V
T 8048-2
u
u T 8048-2
14 to 320 °F
356 °F for up to 30 min
EB 8048-2 EN
3)