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**Multistage Pump DG45-80 Sub-High Pressure Boiler Feed Pumps** are manufactured under strict adherence to international and national standards, including **GB/T 5657-2013**, **JB/T 1051-2006**, **GB/T 13006-1991**, **GB/T 13007-2011**, and **MT/T 114-2005**. These pumps are specifically designed for high-pressure water transfer applications, offering reliable performance in a variety of industrial settings.
**Key Specifications:**
- **Model No.:** DG45-80x6
- **Power:** Electric
- **Start Up:** Electric Pump
- **Type:** Blade Pump
- **Application:** Clarified Water Pump, Oil Transfer Pump
- **Industry:** Textile Pump
- **Media:** Water Pump
- **Performance:** No Leakage Pump
- **Theory:** Centrifugal Pump
- **Product Name:** Multistage Pump DG45-80 Sub-High Pressure Boiler F
- **Shaft Seal:** Gland Packing, Mechanical Seal
- **Coupling:** Jaw Coupling, Pin Coupling
- **Bearing:** Reputed China Brand Bearing
- **Temperature:** Up to 150°C
- **Warranty:** 1 Year
- **Motor:** 2 Poles, 3 PH, 160kW
- **Pump Efficiency:** 55%
- **Speed:** 2950 RPM
- **Voltage:** 415V, 380V / 50Hz
- **Trademark:** Jiahua
- **Transport Package:** Plywood Case
- **Specification:** 6–10 Stages
- **Origin:** Hunan, China
- **HS Code:** 8413709990
**Nomenclature Explanation:**
- **DG:** Multistage Centrifugal Boiler Feed Pump
- **45:** Design point capacity of 45 m³/h
- **80:** Single-stage head of 80 meters
- **6:** Number of stages (impellers)
**Performance Table:**
The DG45-80 series offers 6–12 stages with flow capacities ranging from 36 m³/h to 62 m³/h and heads between 409m and 1003m. Below is a sample performance data:
| Capacity (m³/h) | Head (m) | Speed (r/min) | Efficiency (%) | Power (kW) | Motor | NPSHr (m) | Impeller Dia. (mm) | Weight (kg) | Shaft Power (kW) |
|------------------|----------|---------------|----------------|------------|--------|-----------|--------------------|-------------|------------------|
| 36 | 502 | 2950 | 50 | 160 | Y315L1-2 | 3.9 | 260 | 113 | 98.4 |
| 45 | 480 | 2950 | 55 | 160 | Y315L1-2 | 4.0 | 260 | 107 | 107 |
| 62 | 409 | 2950 | 56 | 160 | Y315L1-2 | 5.5 | 260 | 123.3 | 123.3 |
**Applications:**
These pumps are ideal for a wide range of high-pressure water systems, including:
- Reverse Osmosis
- Boiler Feed
- Spraying Systems
- Pressure Boosting
- High-Pressure Cleaning
- Snow Making
- Condensate Handling
- Mine Dewatering
**OEM Services:**
We offer custom OEM solutions based on your specific installation needs:
- Shaft extension end at the outlet instead of the inlet
- Suction nozzle direction options: right, left, or radial
- Flange options: DIN, JIS, ANSI, and GB/T 9113-2010
- Material choices: cast iron, ductile iron, carbon steel, stainless steel
**Manufacturing Process:**
From casting to final testing, our process ensures precision and quality:
1. Casting + As-cast polishing & anti-rust painting
2. CNC processing and anti-rust oil application
3. Parts testing (vision inspection, dimensional measurement, impeller static balance test)
4. Casing construction and pressure test
5. Rotor installation and dynamic balance test
6. Pump assembly and mechanical seal test
7. Coupling deflection test
8. Test bed testing
9. Painting and packaging
10. Shipment
**Packaging and Shipping:**
- **Packing:** Plywood case or as per customer request
- **Shipping Options:** FCL/LCL, by truck, train, boat, or air
**Why Choose Us?**
1. Over 20 years of experience in pump design and manufacturing
2. ISO 9001:2008 certified quality control with skilled workers
3. Advanced production and testing equipment, including CNC machines, dynamic balance testers, and surface treatment tools
4. Large inventory of spare parts and high production capacity for fast delivery
5. Professional sales team dedicated to providing excellent customer service
Our goal is to deliver high-quality, cost-effective centrifugal pumps that meet the demanding needs of global customers. Whether you're looking for standard models or customized solutions, we are here to support you.
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