Double-door bottom valve is a representative valve product, and it also has a name called check valve. The use of products needs to refer to certain standards and specifications, such as taking off the plastic protective cover on the CD, cleaning it, tightening the fittings, and not changing it up and down during assembly. It is one of the key parts to ensure the subsequent use effect and operation level. In addition, the early choice is also very important. You can start with the price description of the manufacturer above.

First, brass double-door bottom valve manufacturers recommend.

1. Anhui Zongheng Pump Valve Manufacturing Co., Ltd. is located in the middle and lower reaches of the Yangtze River, between "two mountains and one lake" (Huangshan Mountain, Jiuhuashan Mountain and Taiping Lake), at the intersection of 3 18 national highway and 103 provincial highway. Land, sea and air transportation is very convenient. ?

The company has a casting base and a gold processing base. The company covers an area of 15678 square meters, with more than 40 professional technicians and an annual output of more than 5000 tons. Is a professional valve manufacturer integrating design, casting and metalworking. All valves are completed by our company from casting to processing and assembly, thus ensuring the production cost and price advantage. The company has excellent machining equipment and testing equipment. The main products are the production and sales of soft sealing gate valves, swing check valves and Y-type filters of GB, German, British, American and Japanese standards, which are widely used in chemical industry, oil field and building water supply industry.

Weifang Gaowei High Pressure Valve Co., Ltd. is a valve enterprise integrating scientific research, development, manufacturing, sales and service, mainly producing gate valves, globe valves, ball valves, butterfly valves and hydraulic control valves. In petroleum, chemical industry, metallurgy? Gold, electricity, construction, heating, water supply and drainage, water treatment and other industries have high visibility and influence, and occupy a considerable share in the domestic and foreign markets. The types of valves produced are: pressure reducing valve, regulating valve, safety valve, diaphragm valve, valve, trap valve, cock valve, solenoid valve, blowdown valve, gas cylinder valve, vacuum valve, cut-off valve, multi-purpose valve, pipe clamp valve, instrument valve, bottom valve, gas valve, control valve, slurry valve, balance valve, needle valve, breathing valve and water seal valve. Blind valve, mud pump valve, hydrogen valve, plunger valve, suction valve, reversing valve, electric valve, air inlet valve, copper valve, electronic actuator, filter, plastic valve-exhaust valve, hydraulic valve, knife gate valve, bottle valve, pneumatic valve, proportional valve, one-way valve, angle valve, water stop valve, special valve, inlet valve, sanitary valve and American standard valve.

3. Xinxiang Kangda Water Treatment Valve Factory is a company specializing in the production and processing of valves, sewage processors, filters and other products, with a complete and scientific quality management system. Xinxiang Kangda Water Treatment Valve Factory's integrity, strength and product quality have been recognized by the industry.

Second, the price example.

1, super flange acid-resistant, corrosion-resistant and power-saving plastic bottom valve.

Manufacturer: Jiangshan sogou Bottom Valve Factory.

Price: 45.00? Yuan/piece

2. Downstream brass vertical bottom valve and strainer pump bottom valve

Manufacturer: Zhejiang Shunshui Valve Co., Ltd.

Price: 200.00? Yuan/piece

3. Brass bottom valve check valve and special one-way check valve at the bottom of the water pump.

Manufacturer: Weifang Gaowei High School Pressure Valve Co., Ltd.

Price: 7.70? Yuan/piece

(The above information comes from the Internet for reference only)

The quality of double-door bottom valves in the market is uneven, largely because of the technical level and large-scale operation of manufacturers, and to some extent, it is also related to the psychology that consumers tend to buy low-priced products. Therefore, it can be seen that a qualified double-door bottom valve must be supported by a manufacturer with good performance in all aspects, and it must also correspond to a suitable and reasonable price level, otherwise it will only lead to its untrustworthy disadvantage.

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