Factory Supply Heavy Wall Sucker Rod Pump

August 20, 2025

**Product Specifications:** - **Model No.:** Sucker Rod Pump - **Pump Bore:** 125–375 mm - **Plunger Length:** 2–7 ft - **Trademark:** Zhongshi - **Transport Package:** Seaworthy Packing - **Specification:** API - **Origin:** China - **HS Code:** 8413 --- **Description:** Compared to conventional tubing pumps, our sucker rod pump offers superior performance in terms of corrosion resistance and anti-friction properties. The plunger is nickel-plated on an alloy base, while the inner wall of the barrel is coated with hard cadmium. Key components such as the valve hood and valve ball are made from materials that provide excellent mechanical strength and corrosion resistance. As a result, this series of pumps has a significantly longer service life than traditional models. **Working Principle:** The plunger moves upward due to fluid pressure from the top tube, causing both the top and bottom traveling valves to close. When the stroke begins, oil flows through the inflow valve under different pressures and enters the barrel via the standing valve. During the down-stroke, the oil-fluid pressure opens the traveling valve, allowing the fluid to flow up through the inner hole of the plunger. **Machinery Peculiarity:** This pump consists of several key parts, including the pump tubing, plunger, coupling-extension, standing valve, and two types of sealing devices — the plastic hermetic device (upper one) and the mechanical hermetic device (lower one). You can choose either one based on your specific application requirements. --- **Technical Data Table:** | Diameter (mm) | Barrel Length (m) | Plunger Length (m) | Tube Size (in) | Sucker Rod Size | Pump Constant (m³/d) | |---------------|-------------------|--------------------|----------------|------------------|----------------------| | 28 | 3.3–9.5 | 0.6–6.9 | 2 7/8 | 3/4 | 0.877 | | 32 | 3.3–9.5 | 0.6–6.9 | 2 7/8 | 3/4 | 1.140 | | 38 | 3.3–9.5 | 0.6–6.9 | 2 7/8 | 3/4 | 1.642 | | 44 | 3.3–9.5 | 0.6–6.9 | 2 7/8 | 3/4 | 2.235 | | 50 | 3.3–8 | 0.6–5.4 | 2 7/8 | 3/4 | 3.012 | | 56 | 3.3–8 | 0.6–5.4 | 2 7/8 | 3/4 | 3.694 | | 70 | 3.3–8 | 0.6–5.4 | 3 1/2 | 7/8 | 5.518 | | 95 | 3.3–6.6 | 0.6–1.8 | 4 1/2 | 1 | 9.128 | --- Our pump is designed for durability, efficiency, and ease of maintenance. Whether you're working in oil fields or other industrial environments, this product ensures reliable performance under various conditions. We also offer customized solutions depending on your operational needs.

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