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9100 Mod 20 - Product Numbering

91 – M7 D 6 1 P 56 4 1    
    A B C D E F G H I

 

A INLET & OUTLET COMBINATION
(See Selection Table)
B ORIFICE SIZE
(C or D)
C INLET BASE & BODY MATERIAL
6 – 316 STAINLESS STEEL / WCB CARBON STEEL
7 – 316 STAINLESS STEEL / CF3M STAINLESS STEEL
D CAP TYPE
1 – CLOSED CAP
2 – OPEN LIFT LEVER
3 – CLOSED LIFT LEVER
E SEAT MATERIAL
P – VIRGIN PEEK
Y – VESPEL
F SPRING CODE
(ASSIGNED BY MERCER)
G TRIM CODES
4 – 440C S.S. DISK & NOZZLE (STD GAS SERVICE)
L – LIQUID SERVICE 316 S.S. DISK & NOZZLE
U – 316 S.S. DISK & NOZZLE (OPTIONAL GAS SERVICE)
N – SOUR GAS SERVICE 316 S.S. DISK & NOZZLE
B – SOUR LIQUID SERVICE 316 S.S. DISK & NOZZLE
H O-RING MATERIAL
1 – STANDARD O-RINGS (VITON & BUNA-N)
I 2- DIGIT “SPECIAL” CODE
(IF APPLICABLE ASSIGNED BY MERCER)