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4646799 CDRYER for Hitachi ZX220W-7/4HK1T

4646799 CDRYER for Hitachi ZX220W-7/4HK1T

  • Product Number: 4646799
  • Product Name: CDRYER
  • Machine Model: ZX220W-7
  • Engine Model: 4JJ1,4HK1,6HK1,4LE2
  • Weight: 0.6KG

Compatible Machine Models:ZX400LCH-3,ZX75US-3,ZX120-3,ZX135US-3,ZX135USK-3,ZAXIS210K-3,ZX240-3,ZX250K-3,ZX350H-3,ZX200-3,ZX210LC-3-HCMC,ZX270-3,ZX140W-3,ZX170W-3F,ZX130-5B,ZX120MH-5B,ZX130-5A,ZX130H-5A,ZX160LC-5N,ZX170LC-5A,ZX190W-5B

product details

 

Description

Part Name CDRYER
Part Number 4646799
Brand Name HITACHI
Place of Origin Japan
Delivery Time 1-3 work days
Packaging Type Cartons

  

4646799 (1).jpg In the brake systems, pneumatic directional valves, and clutch booster units of Hitachi excavators and mining trucks, compressed air serves as the 'neurotransmitter' that transmits control commands. However, the high-temperature, high-pressure gas discharged from the air compressor carries a large amount of water vapor, oil mist, and impurities. When this 'moist' compressed air enters the pipelines, the water vapor condenses into liquid water as the temperature drops—corroding precision pneumatic valve cores, freezing brake lines and causing malfunctions, washing away lubricants and leading to wear on moving parts, and contaminating pneumatic components, causing them to stick. These invisible droplets silently flow through the air system, eroding the reliability and safety of equipment day after day. It is only when the brake response becomes sluggish, gear-shifting actions stick, or pneumatic valves leak continuously that you realize—the moisture in the compressed air has long become a 'chronic poison' to the pneumatic system. 4646799 (4).jpg
The original Hitachi dryer is a compressed air purification device that integrates refrigerated dehumidification, precision filtration, and intelligent control, providing a continuous supply of clean, dry air to pneumatic systems with excellent drying efficiency and stable dew point control.
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Dry Air for Reliable Braking and Control

In the maintenance market, imitation dryers often cut corners in materials and craftsmanship—using ordinary heat exchanger materials that rust and develop holes after a few years; low efficiency in air-water separation, causing condensate to be carried out again; simple control systems that fail to alert in case of faults; mismatched refrigeration systems that frequently shut down under high-temperature conditions. Hitachi original dryers strictly follow the factory design in terms of processing capacity, dew point requirements, and environmental adaptability. From small dryers with a few cubic meters of capacity to large dryers with several hundred cubic meters, each unit undergoes rigorous factory testing. Choosing an original dryer means injecting the most reliable 'dry guarantee' into every action of your pneumatic system, making braking safer, shifting smoother, and control more precise.

Check immediately for the Hitachi original dryer and purification kit corresponding to your machine model, and let the factory's 'dehumidification guardian' protect the purest breath of your air system.

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The Ownership Of The Products Belongs To Guangzhou Qicheng Machinery Equipment Co., Ltd.