18 Inch Gate Valve

Product Introduction

Description

18 inch gate valve is also called 450mm gate valve, it can also be called gate valve for steam application or sluice valve for water supply according to the purpose; according to the color, it is called gate valve black, gate valve blue, which is a kind of pipeline gate valve.

18 inch gate valve refers to a valve in which the closing member (gate) moves in the vertical direction of the centerline of the passage. The gate valve is mainly used for cutting off in the pipeline.

Gate valve is a kind of valve that is widely used. Generally, it is used for cut-off devices with a diameter of DN ≥ 50mm. Sometimes gate valves are also used for cut-off devices with small .

Technical Parameter Of 18 inch gate valve

Applications

The use of gate valves has expanded from ordinary fields to a wider variety of industries. Coal preparation, gangue discharge and slag discharge from mines and power plants. It has developed to urban sewage treatment, and has developed from general industrial pipelines to professional pipeline systems such as food, sanitation, and medicine.

Have the following advantages

1. The fluid resistance is small, and the sealing surface is less brushed and eroded by the medium.

2. It is more labor-saving to open and close.

3. The flow direction of the medium is not restricted, without disturbing the flow or reducing the pressure.

4. The shape is simple, the length of the structure is short, the manufacturing process is good, and the scope of application is wide.

The disadvantages of 18 inch gate valve are as follows

1. It is easy to cause erosion and scratches between the sealing surfaces, and maintenance is more difficult.

2. The overall size is large, a certain space is required to open, and the opening and closing time is long.

3. The structure is more complicated.

Company Information

Kaifeng High & Middle Pressure Valves Co.,Ltd was established in 2004,which Is a professional design and manufacture of high temperature and high pressure gate valves, ball valves, globe valves, exhaust check valves and other on-off valves.With almost 18 years of production experience,we have become one of the leading manufacturers in this field.

Our company strictly complies with ISO9001:2008 system,and we have certificates CE,API,TS.We mainly produce valves according to ANSI,DIN,JIS and China GB standards.Our products are widely used in the fields of water,oil,gas,petroleum,chemical and city pipeline networks.With good quality and services,we have gained a good reputation from customers from home and abroad.

Contact us if you want to Buy Following Types of Gate Valves

Packaging & Dlivery

18 inch gate valve storage method

1. The valve must be stored in a dry and ventilated room, placed neatly, and the valve stem should not be stressed.

2. During storage, the valve should be in a closed state, and the flanges at both ends should be closed.

3. During storage of this valve, the stem threads and machined surfaces should be coated with an easily removable rust inhibitor.

4. Valves that are stored for a long time should be checked regularly to remove dirt and apply rust inhibitor.