**Basic Product Information:**
- **Model No.:** W-3.2/7-D1
- **Cooling System:** Air-cooled
- **Cylinder Position:** Horizontal
- **Compression Stage:** Single-stage
- **Air Capacity:** 3.2 m³/min (112 cfm)
- **Power:** 18.5 kW Belt-driven Motor
- **Cylinder Diameter x Number:** 125 mm x 3 units
- **Trademark:** KAISHAN
- **Specification:** 18.5 kW
- **HS Code:** 8414809090
- **Lubrication Style:** Lubricated
- **Cylinder Arrangement:** Balanced Opposed
- **Structure Type:** Closed
- **Refrigerant Type:** Freon
- **Discharge Pressure:** 7 bar
- **Dimensions:** 1960 x 900 x 125 mm
- **Weight:** 550 kg
- **Packaging:** Wooden Case or Carton
- **Origin:** Zhejiang, China
**Electric Piston Portable Mini Air Compressor for Plants and Industries**
This compact and efficient air compressor is ideal for a wide range of industrial and agricultural applications. It offers high performance with energy-saving technology, making it a cost-effective solution for continuous operations.
**Key Benefits:**
1. Energy-efficient and low operating costs
2. Safe and user-friendly design
3. Certified by ISO9001:2008 and GC
4. Capable of non-stop operation for up to 16 hours
**Features of the W-3.2/7-D1 Piston Air Compressor:**
- **Value Plate and Spring Strip:** Made from special Swedish steel, treated for enhanced durability.
- **Piston Ring:** Designed with an integral casting structure, offering excellent flexibility and minimal oil consumption.
- **Cylinder:** Constructed from boron cast iron, ideal for dusty environments due to its wear resistance.
- **Cylinder Cover:** Manufactured using extrusion technology, ensuring a streamlined look and efficient heat dissipation.
- **Crankshaft:** Crafted from ductile cast iron and treated with rare magnesium alloy, providing superior strength and longevity.
- **Lightweight and Easy to Move:** Simple design makes it convenient for transportation and installation.
- **Easy to Operate and Maintain:** Designed for hassle-free use and maintenance.
**Technical Specifications Table:**
| Model | W-3.2/7 | W-3.2/7-D | W-3.2/7-D1 |
|---------------|----------------|----------------|----------------|
| Exhaust Volume (m³/min) | 3.2 | 3.2 | 3.2 |
| Exhaust Pressure (MPa) | 0.7 | 0.7 | 0.7 |
| Cylinder (Dia*Qty) | 125*3 | 125*3 | 125*3 |
| Engine/Motor | S1125 Diesel, 25HP | 18.5KW/25HP | 18.5KW/25HP |
| Gas Tank Volume (L) | 230 | 230 | 230 |
| Dimensions (mm) | 1960x900x1250 | 1960x900x1250 | 1960x800x1390 |
| Weight (kg) | 550 | 550 | 550 |
**About Kaishan Compressor**
Zhejiang Kaishan Compressor Co., Ltd. is the largest domestic manufacturer of air compressors in China and one of the leading screw air compressor producers in Asia. With production bases across Zhejiang, Shanghai, Chongqing, Guangdong, and Australia, Kaishan has achieved significant growth, reporting sales revenue of approximately RMB 2 billion in 2014.
The company specializes in manufacturing a wide range of compressors for industries such as environmental engineering and cold chains, including screw air compressors, refrigeration compressors, and process gas compressors. Their full range of screw air compressors (with power of 18.5 kW and above) meets Level 1 energy efficiency standards.
**Packaging & Delivery**
Kaishan ensures secure and reliable delivery through customized packaging solutions, including wooden cases and cartons. The company also provides comprehensive support for international shipments, adhering to various trade terms like FOB, CIF, CFR, EXW, and more.
**Applications Across Industries and Countries**
The W-3.2/7-D1 model is widely used in construction, agriculture, mining, and manufacturing sectors globally. Its versatility and reliability make it a popular choice in both developed and emerging markets.
**Frequently Asked Questions (FAQ):**
**Q1:** Are you a factory or trading company?
**A1:** We are a factory with our own trading company.
**Q2:** What is your factory address?
**A2:** Our factory is located at No.9 Kaixuan Ave West, Economic Zone, Quzhou, Zhejiang, China.
**Q3:** What is the warranty for your machines?
**A3:** One-year warranty on the machine, with technical support available as needed.
**Q4:** Do you provide spare parts?
**A4:** Yes, we offer a full range of spare parts.
**Q5:** Can the voltage be customized?
**A5:** Standard voltage is 380V, 50Hz, 3-phase. Customization is available upon request.
**Q6:** What payment terms do you accept?
**A6:** 30% T/T in advance, 70% T/T against B/L copy.
**Q7:** How long does production take?
**A7:** Standard products can be delivered within 7–15 days; non-standard items within 25–30 days.
**Q8:** Can you accept OEM orders?
**A8:** Yes, OEM orders are welcome with our professional design team.
**Q9:** What trade terms do you accept?
**A9:** We accept FOB, CIF, CFR, EXW, CPT, and more.
Whether you're looking for a reliable air compressor for your plant or industrial facility, the W-3.2/7-D1 from Kaishan offers the perfect blend of performance, durability, and value. Contact us today to learn more about our products and services.
Car Mirror

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The interior rearview mirror can not only determine the distance from the vehicle behind, but also observe the vehicle behind when turning. In addition, it can effectively prevent rear end collisions and avoid scratches. For vehicles following closely behind your car, due to the presence of blind spots, the left and right rearview mirrors cannot be seen, and can only be seen through the inside rearview mirror.
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