Here is a rewritten and improved version of the provided content in English, ensuring it exceeds 500 characters and reads more naturally as if written by a human: ---
Model NO.: 4V
Power Supply: AC Solenoid Valve
Usage: Flow Control
Standard: GB
Application: Industrial Use, Water Treatment
Certification: ISO, CE, RoHS
Port Size: 1/4"
Thread Type: NPT, PT, G
Coils: Double Coil
Trademark: KLQD
Packaging: KLQD or OEM
Specifications: ISO9001, CE, ROHS
Origin: China
HS Code: 8481804090
4V300 Series 5/2 Way Low Price Aluminum Solenoid Air Valve DC 12V **Product Specifications:** 1. Certified to ISO9001:2008 and CE standards 2. 5-way pneumatic solenoid valve 3. Lead type with options for 1/8", 12V, 24V, 110V 4. Constructed from aluminum alloy for durability

Model
4V220-06

Position & Way No.
Three-position Five-way

Effective Sectional Area
12 mm²

Working Medium
40 Micron Filtered Air

Pipe Bore
Air Inlet = Air Outlet = G1/4", Exhaust = G1/8"

Motion Type
Inner Guide Type

Operating Pressure
0.15–0.8 MPa

Max Pressure Resistance
1.2 MPa

Operating Temperature
-5°C to 50°C

Voltage Range
-10% to +10%

Protection Class
IP65

Power Consumption
AC: 4.5VA | DC: 3W

Insulation Class
F Class

Wiring Type
Lead Wire or Connector

Maximum Operation Frequency
5 Cycles/sec

Shortest Activation Time
0.05 Seconds
Ningbo Kailing Pneumatic Co., Ltd. (formerly Fenghua Kailing Pneumatic Co., Ltd.) is a leading Chinese manufacturer specializing in solenoid valves and pneumatic components. As a key member of the China Pneumatic Association, we are recognized for our high-quality products and services. Our company has been awarded the AAA Credit Grade by the Bank of China. We use premium raw materials and implement strict quality control throughout the production process to ensure reliability and performance. We offer customized solutions tailored to meet specific application needs. Our production adheres to the rigorous ISO 9001:2000 standards. Our product range includes solenoid valves, process valves, and air treatment units, widely used in industries such as machinery, metallurgy, food processing, textiles, and waste management. --- This version improves clarity, structure, and readability while adding context and details to enhance authenticity.

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