High-Purity Nitrogen Compressor from China Suppliers - Energy Efficient Factory Solution for Precision Industries
Advantages of Nitrogen Diaphragm Compressor:
01. High Purity and Zero Leakage:
The metal diaphragm is driven hydraulically to boost the gas. The cylinder requires no lubricating oil, as the diaphragm completely physically isolates the gas from the oil, ensuring an outlet purity of over 99.999%. The static sealing structure achieves zero-leakage operation, preventing contamination from external impurities while avoiding the loss of valuable nitrogen gas.
02. High Efficiency, Low Maintenance & Adaptability:
A high single-stage compression ratio easily achieves medium-to-high pressure output. The diaphragm assembly is the only wearing part, resulting in extremely low maintenance costs. It is particularly suitable for applications with stringent purity requirements, such as the electronics industry, specialized metallurgy, scientific research laboratories, and rare nitrogen recovery and boosting systems.
Key Design Points for Nitrogen Diaphragm Compressor:
01. Core Materials and Key Component Life:
The diaphragm is made of high-quality stainless steel with high strength and high fatigue life. Its tensile strength is 1.5 times higher than conventional materials, and its continuous operating life can reach over 6,000 hours. The oil circuit system is equipped with a precise servo pressure regulating valve, ensuring the oil pressure always follows the gas pressure changes and remains at approximately 1.1 times the gas pressure, guaranteeing uniform stress on the diaphragm.
02. Cavity Curvature & Volumetric Efficiency:
The diaphragm cavity curvatures of the cylinder head and the oil distribution plate are optimized using computer-aided design, improving volumetric efficiency by over 20%. Simultaneously, it improves the stress distribution on the diaphragm, extending its service life.
03. Safety Protection and Material Cleanliness:
Equipped with a diaphragm rupture alarm device (three-layer diaphragm structure). Once the middle diaphragm ruptures, the alarm is triggered and the unit automatically shuts down to ensure equipment and personnel safety. All wetted metal components are made of 316L stainless steel to prevent rust contamination of the gas.
Certificates
Model Selection
| ModelG70Z/G95Z/G110Z/G130Z | Piston Stroke70mm~130mm | Maximum Piston Force10KN~30KN |
| Maximum Discharge Pressure70Mpa | Flow Range1~500Nm³/h | Motor Power2.2KW~30KW |
| Crankshaft Speed420rpm | Cooling MethodWater Cooled/Air Cooled | |
| ModelG70V/G95V/G130V | Piston Stroke70mm~130mm | Maximum Piston Force10KN~30KN |
| Maximum Discharge Pressure50Mpa | Flow Range1~200Nm³/h | Motor Power2.2KW~30KW |
| Crankshaft Speed420rpm | Cooling MethodWater-cooled / Air-cooled | |
| ModelG110L/G130L | Piston Stroke110mm~130mm | Maximum Piston Force20KN~40KN |
| Maximum Discharge Pressure100Mpa | Flow Range10~1000Nm³/h | Motor Power7.5KW~90KW |
| Crankshaft Speed420rpm | Cooling MethodWater-cooled / Air-cooled | |
| ModelG110D/G130D/G150D/G180D/G182D/G210D | Piston Stroke110mm~210mm | Maximum Piston Force20KN~160KN |
| Maximum Discharge Pressure100Mpa | Flow Range30~2000Nm³/h | Motor Power22KW~200KW |
| Crankshaft Speed420rpm | Cooling MethodWater-cooled / Air-cooled | |
G
Diaphragm type compressor
Z
Piston stroke 70mm
14
Flow(Nm³/h)
6
Inlet pressure(barg)
20
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-14/6-20 | 500 | 14 | 0.6 | 2 | 1200×800×1100 | 700 | 2.2 |
| 2 | GZ-1/4-37 | 500 | 1 | 0.4 | 3.7 | 1200×900×1100 | 850 | 4 |
| 3 | GZ-935/8-8.3 | 1000 | 935 | 0.8 | 0.83 | 2100×1500×1700 | 2500 | 15 |
| 4 | GV-10/4-160 | 800 | 10 | 0.4 | 16 | 1330×740×1080 | 650 | 4 |
| 5 | GV-20/5-200 | 2000 | 20 | 0.5 | 20 | 2200×1800×1600 | 3000 | 15 |
| 6 | GV-30/(5-6)-350 | 2000 | 30 | 0.5-0.6 | 35 | 2400×1800×1600 | 3000 | 18.5 |
| 7 | GL-25/15 | 1000 | 25 | Atmospheric | 1.5 | 2200×1200×1300 | 3000 | 7.5 |
| 8 | GL-20/12-160 | 1000 | 20 | 1.2 | 16 | 2200×1200×1300 | 3000 | 7.5 |
| 9 | GL-70/5-35 | 2000 | 70 | 0.5 | 3.5 | 2000×1000×1200 | 3000 | 15 |
| 10 | GD-150/2-20 | 4000 | 150 | 0.2 | 2 | 3400×2000×1600 | 3800 | 37 |
| 11 | GD-120/8-350 | 6500 | 120 | 0.8 | 35 | 3500×2300×1800 | 4500 | 45 |
| 12 | GD-100/5.5-200 | 5000 | 100 | 0.55 | 20 | 3200×2000×1500 | 4500 | 45 |
The equipment size and weight are for reference only, and the final design shall prevail.
CASE STUDY
Frequently Asked Questions
What are the primary advantages of using a Nitrogen Diaphragm Compressor?
Nitrogen diaphragm compressors offer absolute gas purity (over 99.999%) and zero leakage. Because the process gas is physically isolated from the hydraulic oil by metal diaphragms, there is no risk of oil contamination, making them ideal for high-purity applications.
How does the diaphragm rupture alarm protect the system?
The compressor is designed with a three-layer diaphragm structure. If any layer ruptures, the integrated alarm system immediately detects the change in pressure, triggers an alert, and automatically shuts down the system to prevent damage or contamination.
What is the typical lifespan of the metal diaphragm?
Constructed from high-grade stainless steel with exceptional fatigue resistance, the diaphragms are engineered to deliver a continuous operating life exceeding 6,000 hours under normal operating conditions.
Which industries benefit most from these compressors?
They are widely utilized in fields with strict gas purity and safety requirements, including semiconductor and electronics manufacturing, advanced metallurgy, scientific laboratories, and rare gas recovery systems.
Are these compressors suitable for high-pressure applications?
Yes, our diaphragm compressors feature high single-stage compression ratios, allowing them to easily achieve medium-to-high pressure outputs, with some models handling discharge pressures up to 100Mpa.
What cooling methods are available for the different models?
Depending on your specific installation environment and operational requirements, we offer both water-cooled and air-cooled configurations to ensure optimal thermal management and efficiency.