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  1. Home
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  3. ケーエヌエフ・ジャパン KNF JAPAN
  4. Reasons why safety diaphragm pumps guarantee leak prevention in harsh environments.
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  • Nov 20, 2025
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Nov 20, 2025

Reasons why safety diaphragm pumps guarantee leak prevention in harsh environments.

ケーエヌエフ・ジャパン ケーエヌエフ・ジャパン KNF JAPAN
By equipping a safety diaphragm, we ensure leak-free and contamination-free pump operation that meets the highest safety standards, even in the unlikely event that the working diaphragm is damaged. The very harsh environments in chemical and pharmaceutical processes, as well as the transfer of hazardous materials, toxic substances, and expensive fluids, impose high safety standards on the systems used. Safety diaphragm pumps achieve excellent leak prevention and airtightness by adopting an additional diaphragm as an extra layer of safety.
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N_630-1-2_SP-RGB-300dpi.jpg

KNF N630.1.2 Series Vacuum Pumps & Compressors

Robust design, corrosion resistance, and stable gas transfer throughout the entire process at all pressure levels.

- Maximum allowable discharge pressure: 7 bar (0.7 MPa) - Basic flow rate: 58 l/min (50Hz) / 68 l/min (60Hz) - Corrosion-resistant specification: SUS / PTFE - Robust design that withstands tough operating conditions - Leak-tight specifications: .9 specification: 6 x 10^-3 mbar x l/s, .13 specification / .12 specification: 6 x 10^-5 mbar x l/s - By using water cooling piping, it can be used at a maximum allowable ambient temperature of 60°C and a maximum allowable gas temperature of 60°C.

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N_630-15_SP-RGB-300dpi.jpg

KNF N630.15 Series Vacuum Pump & Compressor

Robust design, corrosion resistance, and stable gas transfer throughout the entire process at all pressure levels.

- 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 that withstands tough operating conditions - Leak-tight specifications: .9 specification: 6 x 10-3 mbar x l/s, .13 specification: 6 x 10-5 mbar x l/s - By providing water cooling piping, it can be used at a maximum allowable ambient temperature of 60°C and a maximum allowable gas temperature of 60°C.

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N_630-3_SP-RGB-300dpi.jpg

KNF N630.3 Series Vacuum Pump & Compressor

Robust design, corrosion resistance, and stable gas transfer throughout the entire process at all pressure levels.

- Maximum allowable discharge pressure: 0.5 bar (0.05 MPa) - Basic flow rate: 30 l/min (50Hz) / 35 l/min (60Hz) - Corrosion-resistant specification: SUS / PTFE - Robust design that withstands tough operating conditions - Leak-tight specifications: .9 specification: 6 x 10-3 mbar x l/s, .13 specification / .12 specification: 6 x 10-5 mbar x l/s - By providing water cooling piping, it can be used at a maximum allowable ambient temperature of 60°C and a maximum allowable gas temperature of 60°C.

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N_630_SP-RGB-300dpi.jpg

KNF N630 Series Vacuum Pumps & Compressors

Robust design, corrosion resistance, stable gas transfer throughout the entire process at all pressure levels.

- Maximum allowable discharge pressure: 7 bar (0.7 MPa) *The double diaphragm .12 specification is 3 bar - Basic flow rate: 30 l/min (50Hz) / 35 l/min (60Hz) - Corrosion-resistant specification: SUS / PTFE - Robust design that withstands tough operating conditions - Leak-tight specification: .9 specification: 6 x 10-3 mbar x l/s .13 specification / .12 specification: 6 x 10-5 mbar x l/s - By providing water cooling piping, it can be used up to a maximum allowable ambient temperature of 60°C and a maximum allowable gas temperature of 60°C.

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N_630-15_EX-RGB-300dpi_jpg.jpg

KNF N630Ex Series Explosion-Proof Gas Pump

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

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Diaphragm metering pump

Reliable diaphragm technology

SIMDOS FEM1.02/FEM1.10

  • Special Pump

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CCS3 product photo

The new product "Vehicle Count Sensor CCS3" enables efficient occupancy management of large parking lots.

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Hotron Inc. has launched its new product, the "Vehicle Count Sensor CCS3"! This product is a ceiling-mounted sensor that combines infrared and radar technology. It reliably detects vehicles in both directions with a single unit, accommodating traffic during congestion and vehicle passing, thus achieving efficient occupancy management in large parking lots. Additionally, it can be utilized for exit warning purposes in addition to vehicle counting, contributing to the safe and smooth operation of parking facilities. 'Features' - Improved detection performance against changes in road surface during rainy weather by using both infrared and radar. - Equipped with IP67 waterproof and dustproof performance, making it effective even in salt damage areas. - Various settings can be configured from a dedicated app (for Android devices), with current settings easily understandable at a glance. - The base dimensions are the same as the previous model "CCS2," allowing for smooth replacement of existing equipment. *For more details, please refer to the product information, catalog download, or contact us.*

Oct 08, 2026

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Hyper CLT flooring panel

Support for Okayama's baseball and challenges | Hyper CLT flooring × Masters Koshien

  • NEW
  • PRODUCT

The wooden lightweight sheet "Hyper CLT Sheet," utilizing CLT (Cross Laminated Timber), is a sponsor of the Masters Koshien (Okayama). The Masters Koshien is where those who have experienced high school baseball come together across generations to pursue their goals once again. We resonate with their "attitude of continuing to challenge" and support their activities from Okayama. The Hyper CLT Sheet is a product created to provide a new option in civil engineering sites, which have primarily relied on steel sheets until now. It is lightweight, easy to handle, and features the environmental value unique to wood. Furthermore, it is registered as a **Ministry of Land, Infrastructure, Transport and Tourism NETIS technology "TH-250021-A,"** aiming for widespread adoption in various sites, starting with public works. Wood, NETIS, civil engineering, CLT, wooden lightweight sheets. We will continue to support challenges in both the field and sports from Okayama. Masters Koshien (Okayama) https://masters-okayama.com/

Oct 08, 2026

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AAEON Intel Core Ultra Compatible Industrial Micro ATX【MAX-H810A】

  • NEW
  • PRODUCT

Features: ● Intel Core Ultra (Series 2) processor LGA 1851 socket (CPU sold separately) ● DDR5 6400MT/s dual-channel support, CU/U-DIMM x2 (up to 128GB) (memory sold separately) ● M.2 M-Key x1, E-Key x1 ● USB 3.2 x4, USB 2.0 x8 ● Intel Ethernet Controller I226-V (2.5GbE) x2 ● SATA 6Gb/s x2 (supports RAID 0 / 1 / 5) ● PCI Express Gen5 x16 x1, PCI Express Gen4 x4 x1, PCI Express Gen4 x1 x1 * This model does not include memory, storage, or OS.

Oct 08, 2026

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AAEON Q870 chipset equipped industrial Micro-ATX【MAX-Q870A】

  • NEW
  • PRODUCT

Features: ● Intel Core Ultra 200S series processor LGA 1851 socket (up to 125W) (CPU sold separately) ● DDR5 6400MT/s dual-channel compatible, CU-DIMM/U-DIMM x4 (up to 256GB) (sold separately) ● M.2 M-Key x2, E-Key x1, B-Key x1 ● USB 3.2 x8, USB 2.0 x6 ● 2.5GbE LAN x3 ● SATA 6Gb/s x2 (supports RAID 0 / 1 / 5) ● PCIe Gen5 x16 x1, PCIe Gen4 x4 x2, PCIe Gen4 x1 x1 ● Compatible with ATX power supply * This model does not include memory, storage, or OS.

Oct 08, 2026

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Jetway Intel Arrow Lake-S Compatible Industrial Mini-ITX【MTX-ARS2-H810】

  • NEW
  • PRODUCT

Features: ● Supports Intel Core Ultra 200S series processors with Intel H810 chipset and LGA1851 socket (up to 125W) (CPU sold separately) ● DDR5 CSO-DIMM x2 (up to 128GB) (memory sold separately) ● 2.5GbE LAN x2 ● HDMI x2, DisplayPort x1, LVDS/eDP x1 (supports simultaneous output of up to 3 screens) ● SATA 6Gb/s x4, M.2 M-Key x1, M.2 E-Key x1, M.2 B-Key x1, PCI Express Gen5 x16 x1 ● USB 3.2 Gen2 x2, USB 2.0 x8, RS-232/422/485 x1, RS-232 x5 ● Compatible with ATX power supply * This model does not include memory, storage, or OS.

Oct 08, 2026

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