Diesel Multistage Pump 125D25 Specifications:
- **Model No.:** 125D25x2
- **Pump Shaft Position:** Horizontal
- **Pump Casing Type:** Horizontal Split Pumps
- **Mounting Height:** 5 meters
- **Impeller Type:** Closed
- **Usage:** Water pump, condensate pump
- **Product Name:** Diesel Multistage Pump
- **Operating Temperature:** Below 80°C
- **Power Rating:** 22 kW
- **Inlet Diameter:** 125 mm
- **Outlet Diameter:** 125 mm
- **Max Inlet Pressure:** 0.6 MPa
- **Nominal Impeller Diameter:** 156 mm
- **Speed:** 2950 rpm
- **Maximum Efficiency:** 77.5%
- **Suction Head:** 5.5 m
- **Trademark:** Jiahua
- **Packaging:** Wooden crate
- **Configuration:** 2 to 9 stages
- **Origin:** Hunan, China
- **HS Code:** 8413709990
**Application:**
This diesel multistage pump is ideal for low to medium pressure water transportation and is widely used in industrial and municipal water supply and drainage systems. It can handle inlet pressures below 0.6 MPa (equivalent to 6 bar) and operates within a temperature range of -20°C to 80°C.
**Materials Used:**
- **Pump Body:** Cast iron
- **Seal Ring:** Ductile iron
- **Impellers:** Cast iron
- **Diffuser:** Cast iron
- **Shaft:** 45# steel (ASTM 1045)
- **Pin Coupling:** Cast iron
- **Shaft Seal:** Gland packing
**Structure:**
The DG pump consists of multiple stages, with the main components typically made from high-quality cast iron, cast steel, or stainless steel. The pump is driven directly by a diesel engine or through a belt and pulley system, rotating clockwise when viewed from the prime mover side.
**Production Process:**
The manufacturing process includes casting, surface polishing, anti-rust painting, CNC machining, parts testing (vision inspection, dimensional measurement, impeller static balance test), casing assembly and pressure testing, rotor installation and dynamic balancing, pump assembly, mechanical seal testing, coupling deflection testing, test bed performance evaluation, painting, packaging, and shipping.
**Company Information:**
We are a professional manufacturer of horizontal multistage pumps with over 10 years of experience. Our product range includes slurry pumps, split-case pumps, self-priming pumps, submersible pumps, single-stage pumps, and industrial pumps.
**FAQs:**
**Q1. What is your product range?**
We specialize in horizontal multistage pumps and also offer a variety of other pump types such as slurry pumps, split casing pumps, self-priming pumps, submersible pumps, and single-stage pumps.
**Q2. Are you a manufacturer?**
Yes, we are a professional manufacturer of horizontal multistage pumps with over a decade of experience.
**Q3. What information do I need to provide for a quotation?**
Please provide details such as flow rate, head, medium type, temperature, material preference, and quantity. We will recommend the most suitable product based on your requirements.
**Q4. Can you supply a motor with the pump?**
Yes, we can provide motors along with the pump. Most domestic customers prefer a full set, while foreign customers may choose a similar motor to avoid high customs duties.
**Q5. What quality standards do you follow?**
Our pumps comply with ISO 9001:2008 and Chinese government standards for multistage centrifugal water pumps.
This pump is designed for durability, efficiency, and reliability, making it an excellent choice for various industrial and municipal applications.
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