Propane Compressor from China Suppliers - Eco-Friendly Refrigeration Solution by Leading Factory
Advantages of Propane Diaphragm Compressors
01
Absolutely Oil-Free and Ultra-High Gas Purity
The diaphragm completely isolates the hydraulic oil from the compressed gas, ensuring 100% oil-free contamination of the propane medium during the compression process. This is critical for applications such as polymer-grade propane, food-grade propane, or specialty gas filling, safeguarding product quality and safety in downstream processes.
02
Zero Leakage and Intrinsic Safety via Static Sealing
The entire gas compression chamber adopts a static sealing structure, fundamentally eliminating process leakage. Combined with a three-layer diaphragm safety design and a rupture alarm system, it provides the highest level of intrinsically safe protection for compressing flammable and explosive propane, making it especially suitable for installation in safety-sensitive areas or for handling valuable gases.
Key Design Points for Propane Diaphragm Compressors
01
Diaphragm and Material Compatibility Design
To address the swelling effect of hydrocarbon gases like propane on certain rubber or polymer materials, metal diaphragms and sealing materials with excellent compatibility must be selected. Flow-wetted components such as the cylinder head and gas valves should also be preferentially made of 316L stainless steel to meet both corrosion resistance and swelling resistance requirements.
02
Precise Thermal Control and Anti-Liquefaction Monitoring
Based on propane's near-ambient critical temperature characteristics, accurate thermodynamic calculations must be performed to design efficient diaphragm chamber cooling channels. The control system must integrate high-high discharge temperature alarms and interlock shutdown functions to ensure the operating temperature always remains above the dew point temperature at the operating pressure, with a sufficient safety margin, to strictly prevent liquid formation.
03
Integrated Safety and Purging System
The compressor body shall be integrated with combustible gas detector connection ports. Safety valves must be provided, with a relief capacity greater than the maximum compressor discharge capacity, and the discharge port shall be routed to a flare or a safe area. In addition, nitrogen purging interfaces shall be reserved for thoroughly displacing air from the piping and compression chamber before startup to prevent the formation of explosive mixtures.
Certificate
Model Selection
| Model | G70Z/G95Z/G110Z/G130Z |
|---|---|
| Piston Stroke | 70mm~130mm |
| Maximum Piston Force | 10KN~30KN |
| Maximum Discharge Pressure | 70Mpa |
| Flow Range | 1~500Nm³/h |
| Motor Power | 2.2KW~30KW |
| Crankshaft Speed | 420rpm |
| Cooling Method | Water Cooled/Air Cooled |
| Model | G70V/G95V/G130V |
|---|---|
| Piston Stroke | 70mm~130mm |
| Maximum Piston Force | 10KN~30KN |
| Maximum Discharge Pressure | 50Mpa |
| Flow Range | 1~200Nm³/h |
| Motor Power | 2.2KW~30KW |
| Crankshaft Speed | 420rpm |
| Cooling Method | Water-cooled / Air-cooled |
| Model | G110L/G130L |
|---|---|
| Piston Stroke | 110mm~130mm |
| Maximum Piston Force | 20KN~40KN |
| Maximum Discharge Pressure | 100Mpa |
| Flow Range | 10~1000Nm³/h |
| Motor Power | 7.5KW~90KW |
| Crankshaft Speed | 420rpm |
| Cooling Method | Water-cooled / Air-cooled |
| Model | G110D/G130D/G150D/G180D/G182D/G210D |
|---|---|
| Piston Stroke | 110mm~210mm |
| Maximum Piston Force | 20KN~160KN |
| Maximum Discharge Pressure | 100Mpa |
| Flow Range | 30~2000Nm³/h |
| Motor Power | 22KW~200KW |
| Crankshaft Speed | 420rpm |
| Cooling Method | Water-cooled / Air-cooled |
G
Diaphragm type compressor
Z
Piston stroke 70mm
20
Flow(Nm³/h)
5
Inlet pressure(barg)
25
Outlet pressure(barg)
| No. | Model | Cooling water | Flow | Inlet pressure | Outlet pressure | Dimensions L×W×H | Weight | Motor Power |
|---|---|---|---|---|---|---|---|---|
| (L/h) | (Nm³/h) | (MPa) | (MPa) | (≈mm) | (≈kg) | (kW) | ||
| 1 | GZ-20/5-25 | 500 | 20 | 0.5 | 2.5 | 1400×760×1650 | 650 | 4 |
| 2 | GZ-12/0.5-8 | 500 | 12 | 0.05 | 0.8 | 1500×760×1200 | 750 | 4 |
| 3 | GZ-20/5-30 | 500 | 20 | 0.5 | 3 | 1400×760×1600 | 650 | 5.5 |
| 4 | GV-11/1.5-25 | 600 | 11 | 0.15 | 2.5 | 1500×780×1080 | 850 | 4 |
| 5 | GV-120/3.5-12 | 2000 | 120 | 0.35 | 1.2 | 2030×1700×1700 | 3000 | 22 |
| 6 | GV-100/7-25 | 3000 | 100 | 0.7 | 2.5 | 2030×1645×1700 | 3000 | 30 |
| 7 | GL-72/5-36 | 1500 | 72 | 0.5 | 3.6 | 2000×1500×1200 | 3000 | 15 |
| 8 | GL-60/0.05-4 | 4000 | 60 | 0.005 | 0.4 | 2400×1800×1600 | 3000 | 15 |
| 9 | GL-400/20-50 | 3000 | 400 | 2 | 5 | 4000×2500×2200 | 4500 | 30 |
| 10 | GD-900/4-12 | 5000 | 900 | 0.4 | 1.2 | 3500×2300×1500 | 4500 | 45 |
| 11 | GD-450/1-12 | 9000 | 450 | 0.1 | 1.2 | 3800×2300×2000 | 100000 | 90 |
| 12 | GD-250/0.2-15 | 8000 | 250 | 0.02 | 1.5 | 3600×2300×1800 | 6000 | 75 |
The equipment size and weight are for reference only, and the final design shall prevail.
Case Study
Russia
UNITED STATES
Spain
Kazakhstan
Frequently Asked Questions
Why is the oil-free design of diaphragm compressors critical for propane applications?
The diaphragm completely separates the hydraulic oil from the compressed gas, ensuring 100% oil-free compression. This is essential for protecting downstream processes and product quality in polymer-grade propane, food-grade propane, and specialty gas filling applications.
How do these compressors prevent hazardous propane gas leaks?
Propane diaphragm compressors utilize a static sealing structure across the entire compression chamber. This is combined with a three-layer diaphragm safety design and an integrated rupture alarm system to eliminate process leakage and ensure safe operation in safety-sensitive environments.
What materials are selected to resist the swelling effect of propane?
To combat the swelling effect of hydrocarbon gases like propane on polymer materials, metal diaphragms and highly compatible sealing components are used. Flow-wetted parts, including the cylinder head and gas valves, are made from 316L stainless steel for maximum corrosion and swelling resistance.
How does the system prevent propane from liquefying during compression?
The system features specialized cooling channels based on precise thermodynamic calculations. The integrated control system monitors temperatures and implements high-high discharge temperature alarms and interlock shutdowns to keep the operating temperature safely above the dew point.
What safety mechanisms are included in the compressor design?
The design integrates combustible gas detector ports, safety relief valves with capacities exceeding the compressor's maximum discharge flow (routed to a flare or safe zone), and nitrogen purging interfaces to clear air from the system before startup.