Two-position three-way pneumatic directional control valve K23Jk-F40-F50

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Product details

I. Product Overview

The K23JK series two-position three-way pneumatic control globe valve is a control component that directs the flow of compressed gas. It features few sliding mating surfaces, a simple structure, and strong resistance to dust, making it particularly suitable for harsh working environments such as steel and foundry industries, as well as applications with explosion-proof requirements.

pneumatic directional control valve K23Jk‑F40‑F50 is a large‑bore 3/2‑way poppet‑type pilot‑operated directional component, belonging to heavy‑duty Pneumatic Parts. Widely matched with Power Pack Unit, it is designed for high‑flow air‑circuit switching, air supply cut‑off and exhaust control in pneumatic loops. Installed on drilling rigs, petroleum machinery and mining industrial Machine, this valve delivers large‑volume compressed‑air for brake and clutch control systems. It is suitable for new‑equipment assembly, pneumatic system upgrading and aftermarket replacement of worn Pneumatic Parts.

II. Model Explanation

Taking the K23JK-15 as an example:

• K: Represents pneumatic components.

• 23: Indicates two-position three-way.

• JK: Stands for pneumatic control globe valve.

• 15: Refers to the nominal diameter.

III. Technical Parameters

The following are technical parameter examples for some common models:

【表格】

Performance Parameters K23JK-6 K23JK-8 K23JK-10 K23JK-15

Working Medium Compressed Air Compressed Air Compressed Air Compressed Air

Working Pressure Range (MPa) 0.2~0.8 0.2~0.8 0.2~0.8 0.2~0.8

Minimum Control Pressure at 0.5 MPa (MPa) 0.3 0.3 0.2 0.2

Changeover Time (s) ≤0.08 ≤0.08 ≤0.08 ≤0.08

Changeover Frequency (Hz) 6 6 6 6

Effective Cross-Sectional Area (mm²) ≥10 ≥20 ≥40 ≥60

Leakage Rate (cm³/min) 100 100 100 100

Ambient Temperature (℃) 5~50 5~50 5~50 5~50

Durability (10,000 cycles) 150 150 150 150

IV. Working Principle

The working principle of the K23JK series two-position three-way pneumatic control globe valve is similar to the illustrated state. The normally closed type opens the valve when a pneumatic signal is input through port K, connecting PA; when there is no pneumatic signal at port K, the valve closes due to spring force (the normally open type operates in the opposite manner). If the exhaust port of the valve is blocked, it can be used as a two-position two-way valve.

V. Application Scenarios

The K23JK series two-position three-way pneumatic control globe valve is suitable for pneumatic control systems requiring remote control of various actuators, such as in harsh working environments like steel and foundry industries.

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