The price of the three leaf Roots blower * * CSR175 (37kW) * * is affected by factors such as brand, configuration, market supply and demand. The following provides you with detailed reference information and analysis:
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**1、 Price Range (Market)**
|* * Brand Type * * | * * Reference Price (RMB) * * | * * Main Differences * *|
|--------------------|-----------------------|-------------------------------|
|* * Domestic ordinary brand * * | 35000~60000 yuan | Basic configuration, high cost-effectiveness, suitable for general working conditions|
|* * Domestic high-quality brand * * | 60000~100000 yuan | Material upgrade (such as stainless steel rotor), higher precision, longer service life|
|Imported brand * * | 120000 to 200000 yuan | such as (), with stable performance but high premium|
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**2、 Key factors affecting prices**
1. * * Differences in core configuration**
-* * Rotor Material * *: Cast Iron (Low Price) vs Stainless Steel (Corrosion Resistant,+20~30 Price).
-Sealing method: Ordinary seal (low price) vs mechanical seal (leak proof,+5-10 price).
-* * Motor brand * *: Domestic motors (such as Siemens OEM) vs. imported motors (such as ABB).
2. * * Additional Features**
-Variable frequency control: Installing a frequency converter requires an additional 10000 to 30000 yuan.
-* * Muffler/Filter * *: Standard configuration usually includes, but high-performance accessories require additional payment.
3. * * Procurement channels**
-* * Factory direct sales * *: Transparent price, may include free installation and debugging.
-* * Dealer * *: Increases price by 10-20, but provides localized services.
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**3、 Purchase suggestions**
1. * * Clarify requirements**
-* * Medium characteristics * *: Select ordinary materials for conveying air; Corrosive gases (such as biogas) require stainless steel.
-* * Pressure requirement * *: CSR175 usually has a pressure of ≤ 58.8kPa, and overpressure needs to be customized (price increases).
2. * * Compare services**
-Warranty period: Domestic products usually last for 1 year, while imported brands can last up to 2 years.
-Does it include installation, debugging, and post maintenance costs (such as accessory supply speed).
3. * * Cost optimization**
-There may be discounts on purchases during the off-season (such as after the Spring Festival).
-Bulk purchase (≥ 2 units) can be negotiated for 5-15.
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**4、 Recommended Brand Reference**
|* * Brand * * | * * Features * * | * * 37kW Estimated Price * *|
|------------------|--------------------------|------------------|
|Shandong Changsheng | Domestic veteran, high cost performance | 15000-20000 yuan|
|() | Focus on Roots blowers, export quality | 60000 to 90000 yuan|
|Imported brand | Low noise, high precision | 150000 to 180000 yuan|
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**5、 Precautions**
-Low price trap: Some manufacturers use second-hand refurbished parts to impersonate new machines, and need to check the factory certificate and testing report.
-* * Contract details * *: Clearly specify the delivery date, payment method (such as 30 deposit+70 cash on delivery), and breach of contract liability.
For accurate pricing, it is recommended to provide specific parameters (such as pressure, flow rate, gas medium) or consult the manufacturer directly for a price list!
