BOCK HGX34e/315-4
FM_HG
German semi-hermetic compressors for transport refrigeration, heat pumps, and bus air-conditioning.
Specifications
- Compression technology: Reciprocating
- Configuration: Single
- Enclosure / drive: Semi-Hermetic
- Variable speed: Not Stated
- Hazardous-area certification: Not Stated
- Product category: compressor
Qualified refrigerants & capacity
Capacity (kW) evaluated at standard conditions: ULT (-60/45 °C), LT (-35/45 °C), MT (-10/45 °C), HT (-5/45 °C).
| Refrigerant | ULT | LT | MT | HT |
|---|---|---|---|---|
| R134a | — | — | 7.56 | 9.79 |
| R22 | — | 3.41 | 13.33 | 16.41 |
| R404A | — | 3.36 | 13.21 | 16.14 |
| R407A | — | 2.36 | 12.17 | 15.42 |
| R407C | — | — | 11.04 | 13.87 |
| R407F | — | — | 12.79 | 16.01 |
| R448A | — | 2.54 | 12.5 | 15.77 |
| R449A | — | 2.53 | 12.42 | 15.67 |
| R450A | — | — | 6.54 | 8.48 |
| R452A | — | 3.03 | 13.03 | 16.07 |
| R513A | — | — | 8.02 | 10.24 |
Related BOCK models
- EX-HG12P/110-4
- EX-HG12P/110-4 HC
- EX-HG12P/110-4 S
- EX-HG12P/110-4 S HC
- EX-HG12P/60-4 S
- EX-HG12P/60-4 S HC
- EX-HG12P/75-4
- EX-HG12P/75-4 HC
Frequently asked questions
What refrigerants does the BOCK HGX34e/315-4 support?
The BOCK HGX34e/315-4 is qualified for R134a, R22, R404A, R407A, R407C, R407F, R448A, R449A, R450A, R452A, R513A. Capacity values at standard ULT (-60/45 C), LT (-35/45 C), MT (-10/45 C), and HT (-5/45 C) conditions are listed in the table above for each refrigerant.
What is the cooling capacity of the BOCK HGX34e/315-4?
Running on R22, the BOCK HGX34e/315-4 delivers 3.41 kW at LT, 13.33 kW at MT, 16.41 kW at HT. Use the Benchmark tool to evaluate capacity at your exact SST/SDT and superheat conditions.
What type of compressor is the BOCK HGX34e/315-4?
DigiEntropy classifies the BOCK HGX34e/315-4 as FM_HG. Browse the BOCK catalog to compare nearby models from the same brand.
Can the BOCK HGX34e/315-4 be retrofit to a lower-GWP refrigerant under EU F-Gas Regulation 2024/573?
Open the F-Gas Retrofit tool with this model pre-selected to see drop-in alternatives ranked by capacity match, COP, GWP, PFAS impact, and 2026/2030/2035 phase-out timeline.
What polynomial standard is the BOCK HGX34e/315-4 performance data based on?
Capacity, power, and current polynomials follow EN 12900 for European-origin brands and AHRI 540 for North American brands. Coefficients are normalized into a common form for cross-brand comparison. Fit your own data in the Polynomial Fitter tool.