| A |
INLET & OUTLET COMBINATION |
| (See Selection Table) |
| B |
ORIFICE SIZE |
| 1 – 1/2” DIAMETER |
| 2 – 3/4” DIAMETER |
| C |
INLET BASE & BODY MATERIAL |
| 5 – CARBON STEEL / WCB CARBON STEEL |
| 6 – 316 STAINLESS STEEL / WCB CARBON STEEL |
| D |
CAP TYPE |
| 1 – CLOSED CAP |
| 2 – OPEN LIFT LEVER |
| 3 – CLOSED LIFT LEVER |
| E |
SEAT MATERIAL |
| V – VITON 90 DUROMETER |
| T – 15% GLASSED FILLED TEFLON |
| P – VIRGIN PEEK |
| F |
SPRING CODE |
| (ASSIGNED BY MERCER) |
| G |
TRIM CODES |
| G1 – GAS SERVICE (15-1225PSI : 1/2” ORIFICE , 15-520PSI : 3/4” ORIFCE) |
| G2 – GAS SERVICE (1226-2400PSI : 1/2” ORIFICE , 521-2000PSI : 3/4” ORIFICE) |
| N1 – SOUR GAS SERVICE (15-1225PSI : 1/2” ORIFICE , 15-520PSI : 3/4” ORIFICE) |
| N2 – SOUR GAS SERVICE (1226-2400PSI : 1/2” ORIFICE , 521-2000PSI : 3/4” ORIFICE) |
| H |
O-RING MATERIAL |
| 1 – STANDARD O-RINGS (VITON & BUNA-N) |
| I |
2- DIGIT “SPECIAL” CODE |
| (IF APPLICABLE ASSIGNED BY MERCER) |