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Explosion-proof specifications enable tough sampling even in harsh environments!
The R series explosion-proof Dia-Vac pumps are used worldwide in hazardous environments in the oil, refinery, chemical, utility, and pharmaceutical industries. These economical and leak-free diaphragm gas sampling pumps are also an ideal choice for OEM customers and can be custom-designed to fit specific applications.
IECEx / ATEX certified explosion-proof pump can be used in environments with flammable gases. *This is not an explosion-proof certified product in Japan.
- Maximum allowable discharge pressure 12 bar (1.2 MPa) - Basic flow rate 30 l/min (50Hz) / 35 l/min (60Hz) - Corrosion-resistant specification SUS / PTFE - Robust design to withstand tough operating conditions - Leak-tight specification 6 x 10^-3 mbar x l/s
This is the smallest type of KNF diaphragm gas pump (minimum 10.8g). You can choose from five types of motors depending on the application purpose.
- Compact sampling pump - Lightweight, energy-saving design - Excellent reliability and durability - Variable flow rate compatible (brushless motor) - Quiet design - Long lifespan design - Contamination-free, maintenance-free - No restrictions on installation direction Basic flow rate: 330 ml/min Achievable vacuum level: 600 mbar abs
It is capable of transporting high-temperature gas up to 240℃. Additionally, it has high corrosion resistance due to the PTFE diaphragm.
- Heat-resistant diaphragm gas pump (maximum 240°C) - High corrosion resistance - Compact design - Optional change to DC brushless motor N012AT.16E / N012ST.16E: Heat-resistant type without temperature control function N012ST.11E: Heat-resistant type with temperature control function Basic flow rate: 10.5 l/min Achievable vacuum level: 240 mbar abs Maximum allowable discharge pressure: 1.5 bar (0.15 MPa)
Evolution model of the long-selling product NMP830 series.
- Maintenance-free, contamination-free - Long lifespan design - Compact size/high output design, no restrictions on installation direction - Compatible with wet gas and condensate gas - Change to FDA-certified materials (optional) - Well-balanced pressure reduction and pressurization characteristics - Serial connection double head <50 mbar abs (optional) - Increased flow rate with double head type - Increased vacuum level with double head type (optional) Basic flow rate: 5 l/min~ Achievable vacuum level: 230 mbar abs Maximum allowable discharge pressure: 3 bar (0.3 MPa)
Long-selling NMP830 series micro diaphragm gas pump
- Customization according to technical challenges is possible. - Maintenance-free, contamination-free - High corrosion resistance due to a wide variety of gas contact materials - High pump performance despite compact design - Long lifespan design, high durability - Variable flow rate (brushless motor) - No restrictions on installation direction Basic flow rate: Single head 2.1 - 3.1 l/min (varies by material and motor) Achievable vacuum level: 250 - 350 mbar abs (varies by material and motor) Maximum allowable discharge pressure: 1.0 - 1.4 bar (varies by material and motor)
This is the replacement procedure for the consumable parts diaphragm and valve.
The maintenance procedures for other gas pumps are generally similar, so please refer to them.
IECEx / ATEX certified explosion-proof pump can be used in environments with flammable gases. *This is not an explosion-proof certified product in Japan.
- Basic flow rate N922 8L: 7.5 l/min / N922 16L: 16 l/min - Achievable vacuum level 200-350 mbar abs - Maximum allowable discharge pressure 1.5 bar (0.15 MPa) - Corrosion-resistant specification PTFE - Robust design that withstands tough operating conditions - Leak-tight specification 6 x 10-3 mbar x l/s
This is a promotional video for the latest explosion-proof diaphragm gas pump, the N680.1.2 EX series.
IECEx / ATEX compliant explosion-proof diaphragm gas pump
Exhibits performance relative to size and weight. '.1.2' = Increased flow rate with parallel connection. '.3' = Increased vacuum level with series connection.
- Maintenance-free, contamination-free - Long lifespan design - Compact size/high output design, no restrictions on installation direction - Compatible with wet gas and condensate gas - Well-balanced pressure reduction and pressurization characteristics - Variable flow rate (brushless motor) *optional NMP820.1.2 KPDC-B or NMP820.1.2KPDC-B4 Basic flow rate: 3.5 l/min Achievable vacuum level: 330 mbar abs Maximum allowable discharge pressure: 1.2 bar (0.12 MPa) NMP830.3KPDC-B or NMP820.3KPDC-B4 Basic flow rate: 1.7 l/min Achievable vacuum level: 100 mbar abs Maximum allowable discharge pressure: None specified (do not use for pressurization) Please refer to the data sheet for details.
Demonstrates performance relative to size and weight ratio.
- Maintenance-free, contamination-free - Long lifespan design - Compact size/high output design, no restrictions on installation direction - Compatible with wet gas and condensate gas - Well-balanced pressure reduction and pressurization characteristics - Variable flow rate (brushless motor) *Optional Brush DC motor specification KPDC Basic flow rate: 1.7 l/min Achievable vacuum level: 370 mbar abs Maximum allowable discharge pressure: 1.0 bar (0.1 MPa) Brushless DC motor specification KPDC-B or KPDC-B4 Basic flow rate: 2.1 l/min Achievable vacuum level: 330 mbar abs Maximum allowable discharge pressure: 1.2 bar (0.12 MPa) Please check the data sheet for details.
Europe Explosion Protection Plan (ATEX) compliant
N810(Ex)/N820(Ex)/N840(Ex)
Ideal for suctioning humid gases.
N820/N840/N842/N860
Customizable, high discharge, excellent size-to-performance ratio, low noise and low vibration, long lifespan, contamination-free, maintenance-free, no restrictions on installation direction.
- Medical devices - Analytical instruments - Filtration and nebulization - Compressed air supply - Inkjet printer - Security - Food industry Basic flow rate: 2.7 - 3.0 l/min ~ Achievable vacuum level: < 250 mbar abs ~ Maximum allowable discharge pressure: 5 bar (0.5 MPa) *Maximum 2 barG during continuous operation
Customizable, high output, excellent size-to-performance ratio, low noise and low vibration, long lifespan, contamination-free, maintenance-free, no restrictions on installation direction.
- Medical devices - Analytical instruments - Filtration and nebulization - Compressed air supply - Inkjet printer - Security - Food industry Basic flow rate: 3.0 l/min ~ Achievable vacuum level: < 300 mbar abs ~ Maximum allowable discharge pressure: 2.5 bar (0.25 MPa) *Maximum 1 barG during continuous operation
17mm x 30mm DC brush motor base low-cost micro gas pump! Ideal for residential equipment and cleaning pumps.
RK-M1730AP Pump head: 17mm x 30mm Motor OD: 17mm Rated voltage: 6V Flow rate: Max 300mL/m Maximum pressure: 30KPa or more Noise: 60dB
Long-selling NMP850 series micro diaphragm gas pump
- Customization according to technical challenges is possible. - Maintenance-free, contamination-free. - High corrosion resistance due to a wide variety of gas contact materials. - High pump performance despite a compact design. - Long lifespan design, high durability. - Variable flow rate (brushless motor). - No restrictions on installation direction. Basic flow rate: Single head 3.5 - 4.5 l/min (varies by material and motor) Double head 6.0 - 8.0 l/min (varies by material and motor) Achievable vacuum level: 230 - 300 mbar abs (varies by material and motor) Maximum allowable discharge pressure: 2.1 - 2.5 bar (varies by material and motor)
Evolution model of the long-selling product NMP850 series.
- Maintenance-free, contamination-free - Long lifespan design - Compact size/high output design, no restrictions on installation direction - Compatible with wet gas and condensate gas - Change to FDA-certified materials (optional) - Well-balanced pressure reduction and pressurization characteristics - Serial connection double head <50 mbar abs (optional) - Increased flow rate with double head type - Improved vacuum level with double head type (optional) Basic flow rate: 3.9 - 4.5 l/min (varies by material and motor) Achievable vacuum level: 230 - 300 mbar abs (varies by material and motor) Maximum allowable discharge pressure: 2.1 - 2.5 bar (varies by material and motor)
This is an image video of the KNF process pump.
Main Content - Contamination-free vacuum pumps and compressors - Transfer of rare gases, hazardous gases, and toxic gases - Double diaphragm (for transferring rare gases) - High-temperature gases (heat-resistant gas pumps) - Aggressive, flammable gases (corrosion-resistant / explosion-proof specifications) - Stationary gas pumps - Portable gas pumps
IECEx / ATEX certified explosion-proof pump can be used in environments with flammable gases. *This is not an explosion-proof certified product in Japan.
- Basic flow rate 7.5 l/min - Achievable vacuum level 140 mbar abs - Maximum allowable discharge pressure 1.5 bar (0.15 MPa) - Corrosion-resistant specification PVDF / PTFE - Robust design to withstand tough operating conditions - Leak-tight specification 6 x 10-3 mbar x l/s
Pump for transporting city gas developed for SOFC 5W class reformers.
Main Features (Customization according to the customer's system is possible) Basic Flow Rate: 50 l/min Flow Rate Variable Range: 11.5 – 50 l/min (External Signal Control) Maximum Allowable Discharge Pressure: 0.1 MPa (1 bar) Material: Pump Head Aluminum / Diaphragm EPDM Motor: Brushless DC Motor 24V * 48V specification is also available as an option Guaranteed Lifespan: Over 10,000 hours of continuous operation at the maximum allowable discharge pressure of 0.1 MPa * The expected lifespan may be longer depending on flow rate (motor speed), discharge pressure conditions, etc. (Internal tests are ongoing with over 100,000 hours)
Integration of pump and motor, downsizing compared to conventional products, and improved durability. The long-selling micro gas pump NMP850 series.
- Customization is possible according to technical challenges. - Maintenance-free, contamination-free - High pump performance with a compact design - Long lifespan design, high durability - Variable flow rate (brushless motor) *Optional - No restrictions on installation direction Basic flow rate: 4.2 l/min Achievable vacuum level: 230 mbar abs Maximum allowable discharge pressure: 2.5 bar
Integrated pump and motor, downsized compared to conventional products, with improved durability. Long-selling micro pump NMP830 series.
- Customization is possible according to technical challenges. - Maintenance-free, contamination-free - High pump performance despite compact design - Long lifespan design, high durability - Variable flow rate (brushless motor) *Optional - No restrictions on installation direction Basic flow rate: 2.5 l/min Achievable vacuum level: 250 mbar abs Maximum allowable discharge pressure: 1.4 bar
Compact yet delivers high performance with a maximum pressure of 7 barG and a robust design.
- Transport of liquid and gas samples for analysis - Medical technology - such as inhalation devices - Vacuum technology - such as chucking Basic flow rate: 12 - 24 l/min ~ Achievable vacuum level: < 100 mbar abs ~ Maximum allowable discharge pressure: 7 bar (0.7 MPa)
Compact yet delivers high performance with a maximum pressure of 7 barG and a robust design.
- Transport of liquid and gas samples for analysis - Medical technology - Inhalation devices, etc. - Vacuum technology - Chucking, etc. NPK012 DC-B-M PR Basic flow rate: 8.3 - 12 l/min ± 10% Achievable vacuum level: < 220 mbar abs ~ Maximum allowable discharge pressure: 5 bar (0.5 MPa) * Maximum discharge pressure during continuous operation 2.5 barG NPK012 DC-B-M VA Basic flow rate: 7.0 - 13.5 l/min ± 10% Achievable vacuum level: < 140 mbar abs ~ Maximum allowable discharge pressure: 1 bar (0.1 MPa)
DC power-driven small piston pump NPK02
Weight 141g, small piston pump, excellent size-performance ratio, low vibration, low noise, contamination-free, maintenance-free.
We can provide customization of various connection gas materials, fittings, and motors to help solve our customers' challenges.
- Brushless DC motor - High pumping speed across all areas of positive and negative pressure - Robust and compact - Analog or digital speed control - Pump parameters can be read - Safety features N 938 AN.29 DC-B Basic flow rate: 9 - 35 l/min Achievable vacuum level: < 160 mbar abs Maximum allowable discharge pressure: 1.0 bar (0.1 MPa) N 938.1.2 AN.29 DC-B Basic flow rate: 13 - 53 l/min Achievable vacuum level: < 140 mbar abs Maximum allowable discharge pressure: 1.0 bar (0.1 MPa)
It is capable of transporting high-temperature gases up to 240℃. Additionally, it has high corrosion resistance due to the PTFE diaphragm.
- Heat-resistant diaphragm gas pump (maximum 240°C) - High corrosion resistance - Compact design - Optional change to DC brushless motor N024AT.16E / N024ST.16E: Heat-resistant type without temperature control function N024ST.11E: Heat-resistant type with temperature control function Basic flow rate: 18 l/min Achievable vacuum level: 200 mbar abs Maximum allowable discharge pressure: 1.5 bar (0.15 MPa)
Integrated pump and motor, downsized compared to conventional products, with improved durability. An evolved model of the long-selling NMP830 series.
- Maintenance-free, contamination-free - Long lifespan design - Compact size/high output design, no restrictions on installation direction - Compatible with wet gas and condensate gas - Well-balanced pressure reduction and pressurization characteristics - Variable flow rate (brushless motor) *Optional Basic flow rate: 5 l/min~ Achievable vacuum level: 230 mbar abs Maximum allowable discharge pressure: 3 bar (0.3 MPa)
Gas recovery in a combustible gas environment. IECEx/ATEX certified explosion-proof pump.
In the oil industry, gas recovery prioritizes safety above all else. The leakage of flammable gases increases the risk of explosions and fires, potentially leading to serious accidents. Particularly in plants and storage facilities, high safety standards are required regardless of the type or concentration of gas. The KNF N630Ex series explosion-proof gas pump provides high safety and reliability for gas recovery in such situations. 【Usage Scenarios】 - Gas recovery at oil plants - Gas recovery at gas storage facilities - Gas recovery in flammable gas environments 【Benefits of Implementation】 - Safe gas recovery in flammable gas environments - Stable operation due to high reliability - Prevention of gas leaks with leak-tight specifications
