Groth 1800A - Manual (Page 9)

Page 9 of 17
VIII. MODEL NUMBER IDENTIFICATION
The nameplate on the Valve contains the Model Number, Serial Number, set pressures and flow
capacity at a specified over-pressure. The Model Number contains additional information about
materials of construction, soft goods and options. The following chart will assist in relating the
Model Number to the characteristics of your valve:
Pallet
1800A 02" Seat Z = Special Options
1810A 03" Body O = No Specials
1820A 04"
1830A 06" J = Steam Jacket
1860A 08" 1 = Aluminum O = No Steam Jacket
1870A 10" 3 = Carbon Steel Z = Special
12" 5 = 316 SS
14"
SEAL MATERIAL
B = Buna-N
T = Fluoropolymer
EXAMPLE: 1800A-02-115-TOO indicates a 2" Model 1800A V = FKM
with Aluminum body and seat, 316SS pallet, Fluoropolymer seat Z = Special
diaphragms and no special options.
The nameplate below shows the basic
information that is listed for each relief valve:
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