Samson 3256, Mounting And Operating Instructions

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EB 8065 EN 2-1
Markings on the device
2 Markings on the device
2.1 Valve nameplate
22
21
20
19
18 17
16
15 14 13 12 11 10
8
7
6
5
4
2
1
Fig. 2-1: Inscriptions on the valve nameplate
Fig. 2-1 and the inscription table list all
possible characteristics and options that may
appear on a valve nameplate. Only the
inscriptions relevant to the ordered
Type 3256 Valve actually appear on the
nameplate.
Note
Item Inscription meaning
1 Data Matrix code
2 Type designation
4 Material
5
Month and year of manufacture
6 Valve size:
DIN: DN · ANSI: NPS · JIS: DN
7 Pressure rating:
DIN: PN · ANSI: CL · JIS: K
8 Order number/item
10 Flow coefficient:
DIN: KV S · ANSI: CV
11 Characteristic:
% : equal percentage · LIN : linear
mod-lin : modified linear
NO/NC : on/off service
12 Seat-plug seal:
ME : metal · HA : carbide metal ·
ST : metal base material with Stellite ® facing
KE : ceramic · PT : PTFE soft seal · PK : PEEK
soft seal
13 Seat code (trim material): on request
14 Pressure balancing:
DIN: D · ANSI/JIS: B
Version:
M : mixing valve · V : flow-diverting valve
Item Inscription meaning
15 Noise reduction:
1 : flow divider (ST) 1 · 2 : ST 2 · 3 : ST 3
1/PSA : ST 1 standard and integrated in
seat for PSA valve
AC-1 / AC-2 / AC-3 / AC-5 : AC trim, versions
1 to 5
LK : perforated plug · LK1 / LK2 /
LK3 : perforated plug with flow divider ST 1
to ST 3 · MHC1 : multi-hole cage
CC1 : Combi Cage · ZT1 : Zero Travel
16 Country of origin
17 PSA version:
PSA
18 Cage/seat style:
CC : clamped cage, clamped seat
SF : suspended cage, flanged seat
19 CE marking
20 ID of the notified body
PED : Pressure Equipment Directive
G1 / G2 : gases and vapors
Fluid group 1 = hazardous
Fluid group 2 = other
L1 : liquids
Fluid group 1 = hazardous
Fluid group 2 = other
I / II / III : Category 1 to 3
21 Serial number
22 NE 53 (NAMUR Recommendation)