China Water & Sanitation Technology Catalogue

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S1 type integrated non negative pressure water supply equipment

S1 type integrated non negative pressure water supply equipment

When the requirements for water pressure and quantity for building domestic drinking water exceed the capacity of urban public water supply or self built facility water supply network, secondary water supply equipment is required. The common secondary water supply methods include: 1) secondary pressurization to the water tank, and then water supply from the water tank; 2) No negative pressure water supply, directly pressurized water supply based on the water pressure in the municipal pipeline network. This product is a negative pressure free water supply equipment, suitable for water structures with low water consumption, lack of conditions for building civil pump rooms, and low noise requirements.

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Double eccentric butterfly valve

Double eccentric butterfly valve

The double eccentric butterfly valve, also known as high-performance butterfly valve, is mainly used for drainage systems including agricultural, power plants, steel plants, smelting, chemical industry, water source projects and environmental facility construction. It’s especially used for water pipelines as regulating and intercepting equipment. Compared with the centre line butterfly valve, the double eccentric butterfly valve is more resistant to high pressure, has a longer service life and better stability.

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