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BQ-1/2"NPT-5-BRZ/BRZ/B5/20-75psi, Cryo
The Model BQ is is primary a general service, self-contained pressure relief / pressure sustaining regulator suitable as a back pressure regulator or bypass valve for controlling inlet pressures between 20-75 Psig (1,38 - 5,17 Barg). For 1/2" (DN15) process piping and 1/2” (DN15) outlet connection.
With a large orifice and diaphragm provide sensitivity with high capacity. The composition seat allows for tight shut-off.
This Model BQ is excellent for both Cryogenic liquids and industrial gases – LOX, GOX, LIN, GN2, Ar, He, H2, CO2, CNG, LNG. Include Cleaned for Oxygen service, cryogenic construction.
Atex and PED Certificates upon request.
| Product Name | BQ-1/2"NPT-5-BRZ/BRZ/B5/20-75psi, Cryo |
|---|---|
| Country of Manufacture | United States |
| Service | Gas, Liquid or Cryogenic |
| Size [DN] | DN15 |
| Set pressure range [Bar] | 1,38-5,17 bar |
| Temperature range [°C] | -198 to +66 |
| Connection | Female NPT, BSPP Female (Type G), Socket weld, Butt weld |
| Model | BQ |
| Valve Type | Back Pressure Regulator |
| Size [Inch] | 1/2" |
| Seat | Soft Seat |
| Seat Material | PTFE |
| Sealing Material | TFE |
| Diaphragm Type | Metal |
| Diaphragm Material | Phosphor Bronze |
| Material Body | Cast Bronze ASTM B62 C83600 |
| Spring Chamber Material | Cast Bronze ASTM B62 C83600 |
| Trim Material | Brass |
| Trim Number | B5 |
| Connection | NPTF |
| Max pressure | 27.6 Bar |
| Max Temperature [°C] | +66 |
| Min Temperature [°C] | -198 |
| Leakage Class | ANSI /FCI 70-2 Class VI |
| Kvs [m3/h] | 1.56 |
| Cv [gpm] | 1.8 |
| Configuration | Spring Operated |
| O2 Cleaned | Yes |
| Application | For air and similar gases |
| Certificate | On Request - ATEX II 2 G Ex h IIB T6...T1 Gb 1000ATEXR1 X |
| Process media | Oil, Combustible gases, Inert gases |
MODEL BQ REV A
BACK PRESSURE REGULATOR,
PTFE GASKETS;
DN15 INLETS,DN15 OUTLET;
BRONZE BODY WITH BRONZE SPRING CHAMBER,
OPT-5: CRYOGENIC CONSTRUCTION; B5 TRIM:
BRASS WITH PTFE SEAT, PHOSPHOR BRONZE DIAPHRAGM;
NPT END CONNECTIONS;
1.38-5.17 BARG (20-75 PSIG) STAINLESS STEEL RANGE SPRING
| Length [mm] | 114 |
|---|---|
| Height [mm] | 200 |
| Width [mm] | 114 |
| Net Weight [kg] | 4.0 |
| Statistics code | 84811019 |
