Building Slab Gate Valve

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Technical Specification
Product name	Building slab gate valve
Design reference	GB	JB
Design standard	GB/T 19672	JB/T 5298
Structural length	GB/T 19672	GB/T 12221
Flanged ends	HG/T20592、HG/T20615、GB/T9124.1、GB/T9124.2
Butt-welding ends	GB/T 12224	GB/T 12224
Test & inspection	GB/T 19672	GB/T 26480
Packing:	To be packed in suitable wooden cases as per client's option or customized
Shipping & Delivery:	20-25 days lead time; deliver by ship from Ningbo port or Shanghai port
Notes: Serial valve connecting flange and butt-welding terminal size can be designed at customers'request. The material of the main parts and sealing surface of the valve can be designed and selected according to the actual working conditions or the special requirements of users.

 

 

1. It has the advantages of simple and compact structure, reasonable design, reliable sealing, light and flexible operation, small size, smooth channel, low resistance, easy installation and easy disassembly.

2. When the valve is fully opened, the flow resistance coefficient is very small, and the valve will eliminate the function of the valve disc and the dirt on the sealing surface every time the valve is opened and closed.

3. The packing is made of flexible graphite ring and graphite packing, reliable sealing, light and flexible operation.

4. It is widely used in oil and water steam pipelines such as petrochemical industry and thermal power plants to connect or cut off the intermediate quality of pipelines. The sealing surface of the opening and closing device has compact structure and reasonable design.

 

 

• Our service tenet is customer first, service first. We will provide more accurate and efficient manufacturing and service according to customer requirements.
• We have a professional QC team to ensure that the products in Building slab gate valve meet your needs and do better.
• Check raw materials before production at Building slab gate valve.
• Spot checks are carried out during the processing of Building slab gate valve.
• 100% inspection of Building slab gate valve before shipment.
• Provide a one-year service for the products provided by Building slab gate valve to create value for customers.

 

 

• We have complete production technology and management.
• As a manufacturer our price is also good.

 

 

To be packed in suitable wooden cases as per client's

 

 

Q: Applications and advantages of grooved flanges?

A: The advantages of groove flanges are mainly reflected in the following aspects:

1. Easy installation: Groove flanges do not require special installation tools, only need to connect during installation, and then tighten the nut to complete the connection.

2. Good sealing effect: the groove flange is connected by groove locking, without the use of gaskets, effectively avoiding problems such as aging and damage of gaskets, and ensuring the tightness of the connection.

3. Strong connection: The connection of the groove flange is through the extrusion of the groove, so that the pipe is closely connected and the connection is strong.

4. Strong durability: groove flange material variety, according to different use environment can choose different materials groove flange, so that it has higher durability.

 

Q: What is the difference between grooved flange and pipe fitting?

A: Although both grooved flanges and pipe fittings can be used for pipe connections, there are certain differences between them.

1. Connection mode: The connection mode of the groove flange is connected by the groove locking connection, and the connection mode of the pipe is connected by threading, welding and other ways.

2. Installation method: The installation of groove flanges is simple and subject to less site restrictions, and the pipe fittings also need to be installed with more professional processes.

3. Plate thickness grade: The plate thickness grade of the groove flange is generally not higher than the plate thickness grade of the pipeline, and the plate thickness grade of the pipe is generally higher than the plate thickness grade of the pipeline.

 

In short, as a new type of pipe connection, the groove flange's application range and advantages can not be ignored. Although compared with pipe fittings, groove flanges are different in plate thickness grade and connection method, different pipe connection methods can be selected according to the actual situation when in use.

 

Q: What is ferritic stainless steel? What is austenitic stainless steel? What is the difference between the applicable media?

A: The solid solution of carbon in alpha iron in stainless steel is a body-centered cubic lattice for ferritic stainless steel; The solid solution of carbon in iron has a face-centered cubic lattice for austenitic stainless steel.

Ferritic stainless steel is suitable for general acetic acid, lactic acid and other corrosive media; The austenitic stainless steel is suitable for nitric acid, sulfuric acid, acetic acid and other corrosive media.

 

Q: When the medium in the pipeline is hydrochloric acid, what material is appropriate for the valve body?

A: When the medium in the pipeline is hydrochloric acid, the valve body material should be selected Hastroy B, C, Chinese brand NS321, NS322, NS333.

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