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Key Advantages
*Excellent Anti-Cavitation Performance
Equipped with optimized hydraulic model and inducer design (for most models), which can stably operate under vacuum conditions of thermal power plant condensers, effectively avoiding cavitation damage and ensuring continuous and stable operation.
*Wide Adaptability to Working Conditions
The medium temperature can reach up to 120℃ (for partial models), and it can adapt to the working conditions of high-temperature condensate and occasional flash steam, with a flow range of 5-100 m³/h and a head range of 12-141 m, matching different small and medium-sized power unit needs.
*Flexible Sealing and Material Options
Key Parameters Comparison
| Manufacturer | Model Series | Flow Range (m³/h) | Head Range (m) | Medium Temp (℃) |
| Shanghai Kaiquan Pump | N Series (3N6, 4N6, 100N130, etc.) | 8-100 | 38-141 | ≤80 (≤120 for partial models) |
| Changsha Kailite Pump | N Series NB/NBA Series GN/GNL3 Series | 8-100 (N Series) | 38-141 (N Series) | ≤80 (≤120 for partial models) |
| Changsha Zhonglian Pump | N Series NBA Series GN Series GNL Series | 5-137 | 12-170 | ≤80 (≤120 for partial models) |
** N-type condensing pumps are all Horizontal Cantilever Single Suction Centrifugal Pumps, which are divided into three series according to their structure: Single-stage foundation type, Single-stage induction wheel type, and Two-stage type.
*** They are suitable for the vacuum working conditions of thermal power plant condensers, different flow/head and cavitation allowance requirements.
Shanghai Kaiquan Pump
| Series | Model | Flow Range (m³/h) | Head Range (m) | Medium Temp (℃) | NPSHr(m) | NPSHa |
| Single-stage foundation | 3N6 | 8-15 | 38–45 | ≤80 | 1.4–1.6 | ≥2.0 |
| Single-stage foundation | 4N6 | 18–30 | 42–50 | ≤80 | 1.6–1.8 | ≥2.2 |
| Single-stage foundation | 100N130 | 45–65 | 120–130 | ≤120 | 2.0–2.2 | ≥2.5 |
| Single-stage induction wheel | 6N6 | 35–55 | 55–65 | ≤80 | 1.8–2.0 | ≥2.0 |
| Single-stage induction wheel | 150N110 | 80–100 | 100–110 | ≤120 | 2.2–2.4 | ≥2.5 |
| Two-stage | 3N6×2 | 8–15 | 76–90 | ≤80 | 1.4–1.6 | ≥2.0 |
| Two-stage | 4N6×2 | 18–30 | 84–100 | ≤80 | 1.6–1.8 | ≥2.2 |
2. Changsha Kailite Pump
| Series | Model | Flow Range (m³/h) | Head Range (m) | Medium Temp (℃) | NPSHr(m) | NPSHa |
| Single-stage foundation | 3N6 | 8-15 | 38–45 | ≤80 | 1.4–1.6 | ≥2.0 |
| Single-stage foundation | 4N6 | 18–30 | 42–50 | ≤80 | 1.6–1.8 | ≥2.2 |
| Single-stage foundation | 100N130 | 45–65 | 120–130 | ≤120 | 2.0–2.2 | ≥2.5 |
| Single-stage foundation | 100N160 | 45–65 | 150–160 | ≤120 | 2.2–2.4 | ≥2.5 |
| Single-stage induction wheel | 6N6 | 35–55 | 55–65 | ≤80 | 1.8–2.0 | ≥2.0 |
| Single-stage induction wheel | 150N110 | 80–100 | 100–110 | ≤120 | 2.2–2.4 | ≥2.5 |
| Two-stage | 2.5N3x2 | 6-12 | 50-52 | ≤80 | 1.45-1.8 | ≥1.8 |
| Two-stage | 3N6×2 | 8–15 | 76–90 | ≤80 | 1.4–1.6 | ≥2.0 |
| Two-stage | 4N6×2 | 18–30 | 84–100 | ≤80 | 1.6–1.8 | ≥2.2 |
3. Changsha Zhonglian Pump
| Series | Model | Flow Range (m³/h) | Head Range (m) | Medium Temp (℃) | NPSHa |
| Single-stage foundation | 3N6 | 16.5-30 | 58-62 | ≤80 | ≥2.0 |
| Single-stage foundation | 4N6 | 30-50 | 60-63.5 | ≤80 | ≥2.2 |
| Single-stage foundation | 100N130 | 42-70 | 135-143 | ≤120 | ≥2.5 |
| Single-stage foundation | 100N160 | 36-72 | 156-170 | ≤120 | ≥2.5 |
| Single-stage induction wheel | 6N6 | 36-120 | 66-86 | ≤80 | ≥1.8 |
| Single-stage induction wheel | 150N110 | 80–100 | 112-122 | ≤120 | ≥2.0 |
| Single-stage induction wheel | 150N180 | 80 | 150 | ≤80 | ≥2.0 |
| Two-stage | 3N6×2 | 10-34 | 108-131 | ≤80 | ≥2.0 |
| Two-stage | 4N6×2 | 25-60 | 120-135 | ≤80 | ≥2.2 |
| Two-stage | 4N5x2 | 30-50 | 91-110 | ≤80 | ≥2.2 |
Phone: +86-532-82661521, 1522
+86 13730919470
Email: vera_yang@sinopowersd.cn
WhatsApp: +86 13730919470