WFB Series Seal-less Self-Priming Pump with Automatic Control
The WFB series seal-less self-priming pump with automatic control is a pioneering product that fills a domestic gap in the Chinese market. This pump features temperature resistance, pressure resistance, wear resistance, and "one-time priming with lifetime self-priming capability."
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Product Introduction
The WFB series seal-less self-priming pump with automatic control is a pioneering product that fills a domestic gap in the Chinese market. This pump features temperature resistance, pressure resistance, wear resistance, and "one-time priming with lifetime self-priming capability." Currently, we produce a full range of complete units in various materials, including stainless steel, 316L, reinforced polypropylene, cast steel, wear-resistant steel, and cast iron, covering more than 1,000 specifications across seven different configurations. The series is widely used and highly regarded in industries such as electronics, electric power, chemical, steel, pharmaceuticals, food, electroplating, environmental protection, fire protection, municipal engineering, water purification, national defense and military, textile printing and dyeing, mining and mineral processing, and civil construction.
Unique Advantages:
1,Our factory adopts a patented "multi-face centrifugal sealing device" for pumps. This innovation eliminates the need for traditional packing seals, gland packings, and mechanical seals, completely solving the problems of leakage, spillage, dripping, and seepage. It is the most ideal replacement for various long-shaft submersible pumps, submersible pumps, and submersible sewage pumps.
2,During operation, the sealing device experiences no friction and no wear, providing a service life more than ten times longer than that of similar products.
3,Utilizing the principle of air-water separation, the self-priming performance is stable and reliable. In particular, the adoption of an "electric air control valve" thoroughly eliminates the siphon effect, truly achieving "one-time priming with lifetime self-priming."
4,Low vibration, low noise, flexible mobility, easy disassembly, simple installation, and no requirement for foundation bolts.
5,Features superior automatic upper and lower water level alarm functions, allowing integration with high-tech fields and highly automated systems.
Features and Applications of Different Configurations:
The rectangular and conical types provide users with options to suit different applications. The explosion-proof type is suitable for flammable and explosive environments. The outdoor type, equipped with a safe three-dimensional outdoor enclosure, effectively protects against rain, fog, moisture, and humidity during outdoor operation. The trolley-mounted mobile type allows the pump to be moved to any desired location for operation.
Model Meaning
2 G 40 HTWFB-A
2-Type Code
G-Material Code
40-Suction Diameter (mm)
WFB-Seal-less Self-Priming Pump
A-Performance Classification
Notes:
The numbers 1–7 in the Type Code column indicate the following:
Type 1: Rectangular
Type 2: Conical
Type 3: Explosion-Proof
Type 4: Outdoor
Type 5: Trolley-Mounted
Type 6: Freeze-Proof
Type 7: Multi-Stage
The letters in the Material Code column (T, G, PP, BXG) represent the following materials:
T: Cast Iron
G: Steel (Carbon Steel, Wear-Resistant Steel: JM3, JM6)
PP: Reinforced Polypropylene
BXG: Stainless Steel (321, 304, 316, 316L)
Structure Drawing
1. Suction port 2. drainage port 3. Liquid outlet (with check valve, supplied by our factory) 4. Self-priming exhaust device 5. Vending port
6. Overflow port
