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**G Series Pneumatic Actuator**
**Model No.:** HG3-P350-SR2-ST-HMP
**Acting Type:** Double Acting or Spring Return
**Material:** Ductile Iron
**Customized:** Available
**Structure:** Scotch Yoke
**Working Pressure:** 3-10 Bar
**Trademark:** HES
**Specification:** 180-720mm
**Origin:** Zhejiang, China
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### **Specifications:**
- **Type:** Double Acting or Spring Return
- **Angle Adjustment:** 90° ± 5°
- **Output Torque:**
- Double Acting: 1500–100,000 Nm
- Spring Return: 600–20,000 Nm
- **Working Pressure:** 3–10 Bar
- **Working Temperature:**
- Standard: -20°C to 80°C
- High: -15°C to 150°C
- Low: -40°C to 80°C
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### **Features:**
- **Safe:** The G-series features a pre-assembled spring module that prevents accidental release and reduces potential risks.
- **Water-Resistant:** Designed for durability in harsh environments.
- **Wear-Resistant & Lubricated:** Ensures smooth operation over time.
- **Corrosion Resistance:** Ideal for use in various industrial settings.
- **Standardization:** All G-series models have the same top drive shaft connection size, complying with the NAMUR standard. This makes it easy to install position switches and locators.
- **Valve Installation:** Flange and keyway connections are in line with ISO 5211 standards, ensuring compatibility with a wide range of valves.
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### **Part List:**
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### **HES Q&A:**
1. **Are you a factory or a trading company?**
We are a factory.
2. **Which countries do you export to?**
We can export to any country based on the customer's needs.
3. **Do you accept customized orders?**
Yes, we do.
4. **What are your main advantages?**
Our factory has been operating since 1989 and is the first pneumatic actuator manufacturer in Wenzhou, known as the "Valve City" of China. We guarantee high-quality products and offer competitive factory prices.
5. **Will you be responsible for the installation of the valve and actuator?**
Yes, we can provide free installation if you place a substantial order.
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The G Series pneumatic actuators are designed for reliability, precision, and ease of integration into various industrial systems. Whether you need a double-acting or spring-return model, our actuators are built to meet demanding applications across different temperature ranges and pressure conditions. With standardized connections and corrosion-resistant materials, they are ideal for long-term use in challenging environments.
August 22, 2025