Model Code A
endix B: Model Code Ex
lanation
34
Fittings (DD)
Four types of fittings are available, designated by a two letter code.
Single Ended Fitting Options (Type 41/51) Ordering Code
Swagelok 4-VCR fixed male CA
NW-16-KF (1200 Torr maximum) GA
¹/
8
” NPT, male FE
¼” NPT, male FB
Flow-Through Fitting Option (Type 42/52) Ordering Code
Swagelok 4-VCR fixed male CH
Input Power (E)
The input/output power is designated by a single number code.
Input Power Ordering Code
10 to 20 VDC 1
20 to 30 VDC 2
Relay Mode (F)
The relay mode (whether the relay is energized when the pressure rises above or drops below the
trip point value) is specified by a single letter code (F).
Trip Point Direction Ordering Code
Energize when pressure rises above the trip point A
Energize when pressure drops below the trip point B
Connector (G)
Two types of connectors are available, indicated by a single letter code.
Connector Ordering Code
9-pin male Type “D” A
Flying Leads F
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