Company Information

* Company
* Name
* Phone

Key Parameters for Compressor inquiry

Suction Pressure

Discharge Pressure

Flow Rate

Cooling Method

Suction Temperature (℃)
Discharge Temperature(℃)
Power Supply(V/HZ)
Control Requirements
Gas Medium
Additional Remarks (You can also send your datasheet to our email)

High-Efficiency Nitrogen Compressor from China Factory | Top Suppliers for High-Purity, High-Pressure Solutions

Experience cutting-edge technology with our high-performance nitrogen compressor, a product of a leading factory in China. Utilizing a multi-stage compression system and an advanced sealing mechanism, this compressor attains an impressive operating pressure of up to 90 MPa, making it ideal for various applications. Manufacturers and suppliers will appreciate its high medium purity and energy efficiency, as it eliminates the need for complex oil separation treatments. Through innovations like variable frequency drive, our compressor achieves 25% greater overall energy efficiency compared to traditional models. This reliable solution is perfect for precision industries, including semiconductor manufacturing and food packaging nitrogen displacement. Trust our trusted factory in China for superior quality and performance

    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, and 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 & 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 & 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 & 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.

    Certificate
    eac
    ce
    iso
    iso2033
    atex
    Model Selection
    GZ Model
    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
    GV Model
    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
    GL Model
    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
    GD Model
    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 8500 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
    Russia Case Study

    Russia

    United States Case Study

    United States

    Spain Case Study

    Spain

    Kazakhstan Case Study

    Kazakhstan

    Frequently Asked Questions (FAQ)
    Q1: What are the main benefits of using a diaphragm compressor for nitrogen?
    A: Diaphragm compressors offer high gas purity (exceeding 99.999%) and zero leakage. Since the gas is physically isolated from the hydraulic oil by metal diaphragms, there is no risk of oil contamination, making it ideal for high-purity industrial applications.
    Q2: How does the diaphragm rupture alarm system protect the equipment?
    A: The compressor uses a three-layer diaphragm structure. If any layer ruptures, the built-in sensor detects the pressure variance, sounds an alarm, and triggers an automatic shutdown to prevent gas contamination or damage to the unit.
    Q3: What is the typical life expectancy of the metal diaphragms?
    A: Made of high-quality, fatigue-resistant stainless steel, our diaphragms are engineered for long-term continuous operation. The average operating life can reach over 6,000 hours under optimal conditions.
    Q4: Are these nitrogen compressors suitable for harsh environmental conditions?
    A: Yes. With optimized materials like 316L stainless steel for all wetted components and robust structural designs, they are highly adaptable to harsh industrial settings, lab environments, and continuous high-pressure workloads.
    Q5: Which industries commonly use nitrogen diaphragm compressors?
    A: They are widely used in industries requiring high-purity nitrogen, such as electronics manufacturing, specialized metallurgy, scientific research laboratories, chemical processing, and rare gas recovery systems.
    Q6: What cooling methods are supported for the different models?
    A: Depending on the specific model (GZ, GV, GL, or GD) and operational environment, we offer both water-cooled and air-cooled configurations to ensure optimal thermal performance.