Samson 3349, Mounting And Operating Instructions

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