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45/90 Conical Twin Screw and Barrel for PVC Pipe Extruder
**Conical Twin Screw and Barrel for PVC Pipe Extruder – Model 45/90**
The **45/90 Conical Twin Screw and Barrel** is specifically designed for use in **PVC pipe extrusion systems**, offering high performance, durability, and precision. It is one of the standard specifications available, which include:
**35/76, 45/90, 45/100, 50/105, 51/105, 55/110, 55/120, 58/124, 60/125, 65/120, 65/132, 68/143, 70/135, 70/140, 75/150, 80/143, 80/156, 92/188, 95/191, 105/191, 100/200**.
Customization is also available based on customer requirements. The screw compression ratio can be tailored depending on the product type and material used.
**Key Specifications:**
- **Model No.:** 45/90
- **Nitrided Layer Depth:** 0.5–0.8 mm
- **Nitrided Brittleness:** Less than Grade 1
- **Screw Linearity:** 0.015 mm
- **Nitrided Hardness:** 900–1000 HV
- **Surface Roughness:** Ra 0.4
- **Hard-Chrome Plating Hardness (After Nitriding):** ≥ 950 HV
- **Chrome-Plating Layer Depth:** 0.025–0.085 mm
- **Bimetallic Layer Depth:** 3 mm
- **HS Code:** 84779000
- **Certification:** ISO 9001:2008 Approved
- **Trademark:** Zhongyang
- **Origin:** Zhejiang, China
**Material Options:**
- **Base Materials:**
1. 38CrMoAlA (JIS SACM645)
2. 42CrMo (AISI 4140)
3. 4Cr5MoSiV1 (JIS SKD-61)
4. 9Cr18MOV
5. HPT
- **Bimetallic Alloy Materials:**
1. Fe-based alloy
2. Ni-based alloy / Deloro alloy
3. Co-based alloy
4. NiCo-based alloy
5. Tungsten carbide / Wolfram carbide
**Manufacturing Techniques:**
- Heat treatment
- High-frequency quenching
- Nitriding treatment
- Hard-chrome electroplating
- Bimetallic alloy welding
- Bimetallic alloy centrifugal casting
**Warranty & Service:**
We offer a **1-year warranty** on all products. Our team is dedicated to providing high-quality solutions that meet global standards.
**Why Choose Zhongyang?**
1. **Professional Team:** We have experienced teams in sales, design, production, inspection, and after-sales service, ensuring an excellent customer experience.
2. **High-Quality Products:** Equipped with advanced machinery such as CNC machines and Stellite PTA welding systems, we guarantee consistent quality.
3. **Global Market Presence:** With over 5 years of international trade experience, our customers span across the globe.
4. **Strategic Location:** Located in Jintang Town, Zhoushan City, near Ningbo and Shanghai Ports, we benefit from convenient logistics.
5. **Commitment & Responsibility:** We maintain a professional and responsible attitude, always striving to meet our customers' needs.
Whether you need standard or custom screw and barrel solutions, we are here to help. Contact us today to learn more about our products and services!