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123-3/4"NPT-5-BRZ/BRZ/B5/20-45 psig, cryo
The Model 123 is a relief regulator suitable as a back pressure regulator or bypass valve for controlling inlet pressure between 2 and 350 psig (.14 to 24.2 Barg) (525 psig (36.2 Barg) at 50% build-up). The body has an angle configuration with a side inlet and a bottom outlet. Sizes are 1/2″, 3/4″, 1″, 1-1/2″ and 2″ (DN15, 20, 25, 40 and 50). Available options include cryogenic construction, NACE construction and a large selection of trim, body and diaphragm materials. It is the most adaptable back pressure/relief regulator Cashco manufactures.
| Product Name | 123-3/4"NPT-5-BRZ/BRZ/B5/20-45 psig, cryo |
|---|---|
| Country of Manufacture | United States |
| Size [DN] | DN20 |
| Set pressure range [Bar] | 1.4-3.1 bar |
| Model | 123 |
| Valve Type | Back Pressure Regulator |
| Service | Gas, Liquid or Cryogenic |
| Size [Inch] | 3/4" |
| Seat | Soft Seat |
| Seat material | PTFE |
| Sealing | TFE |
| Diaphragm Type | Composition |
| Diaphragm Material | Phosphor Bronze |
| Material body | Cast Bronze ASTM B62 C83600 |
| Spring Chamber Material | Cast Bronze ASTM B62 C83600 |
| Trim Material | Brass |
| Trim no | B5 |
| Connection | NPT |
| Face to Face [mm] | - |
| Max pressure | 27.6 Bar |
| Max Differential Pressure [Bar] | 24.2 |
| Max Temperature [°C] | +66 |
| Min Temperature [°C] | -198 |
| Leakage Class | ANSI /FCI 70-2 Class VI |
| Kvs [m3/h] | 2.91 |
| Cv [gpm] | 3.38 |
| Operation Method | Spring Operated |
| O2 Cleaned | Yes |
| Application | Approved for air gases, vapours and cryogenic liquefied gases incl. LNG |
| Certificate | On Request - ATEX II 2 G Ex h IIB T6...T1 Gb 1000ATEXR1 X |
| Length [mm] | 187 |
| Height [mm] | 292 |
| Width [mm] | 187 |
| Net Weight [kg] | 13.6 |
| Statistics code | 84811019 |
| Applications | Corrosive gases, Combustible gases, Inert gases |
MODEL 123 REV C BACK PRESSURE REGULATOR,
PTFE GASKETS;
DN20 (3/4") LINE SIZE;
BRONZE BODY WITH BRONZE SPRING CHAMBER,
OPT-5: CRYOGENIC CONSTRUCTION,
OPT-55: CLEANED FOR OXYGEN SERVICE PER CASHCO SPECIFICATION S-1134;
B5 TRIM: BRASS WITH PTFE SEAT,
PHOSPHOR BRONZE DIAPHRAGM;
NPT END CONNECTIONS;
1,4-3,1 BARG (20-45 PSIG) STAINLESS STEEL RANGE SPRING
