German Standard Flat Gate Valve

Price: The price is changing because of material cost and exchange rate. Please give me your contact information, I will update the newest price to you.

1. Debiao gate valve has compact structure, reasonable design, good valve rigidity, smooth channel and small flow resistance coefficient

2. Sealing surface is made of stainless steel and hard alloy, suitable for long life.

3. The use of flexible graphite filler, reliable sealing, light and flexible operation.

4. Drive mode: electric, pneumatic, gear rotation, structural form: elastic wedge type single ram, rigid wedge type single ram double ram type

5. Water seal gate valve is widely used in chemical, thermal, power plants and other oil, water vapor pipeline to connect or cut off the pipeline intermediate opening and closing device.

• 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 German standard flat gate valve meet your needs and do better.
• Check raw materials before production at German standard flat gate valve.
• Spot checks are carried out during the processing of German standard flat gate valve.
• 100% inspection of German standard flat gate valve before shipment.
• Provide a one-year service for the products provided by German standard flat 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: What are the three main factors to consider when selecting an implementing agency?

A: The output of the actuator should be greater than the load of the valve and reasonably matched. When checking the standard combination, it is necessary to consider whether the allowable pressure difference specified in the valve type meets the process requirements. When the pressure difference is large, the unbalance force of the valve core should be calculated. It is necessary to consider whether the response speed of the actuator meets the process operation requirements, especially the electric actuator.

Q: Compared with the pneumatic actuator, what are the characteristics of the electric actuator and what are the output forms?

A: The electric drive source is simple and convenient, with large thrust, torque and stiffness. But the structure is complicated and the reliability is poor. It is more expensive than pneumatic in small and medium size. It is often used in occasions where there is no air source or strict explosion-proof and flameproof. The electric actuator has three output forms of angular stroke, straight stroke, and multi-rotation.

Q: What is the difference between ANSI and DIN standards?

A: ANSI stands for American National Standards Institute, and ANSI standards are standards developed by the American National Standards Institute. ANSI standard specifies the requirements of plate gate valve size, material, pressure grade, sealing performance, test and so on. ANSI standard flat gate valve is suitable for water, oil, gas and other media at -29 ° C ~425 ° C.

DIN is the abbreviation of the German Industrial Standardization Committee, and DIN standards are standards developed by the German Industrial Standardization Committee. DIN standard specifies the size, material, pressure rating, sealing performance, testing and other requirements of flat gate valves. DIN standard flat gate valves are suitable for water, oil, gas and other media with temperatures between -10 ° C and 120 ° C.

Q: What is the effect of the properties of the medium on the tightness?

A: The effect of the liquid medium on the leakage is basically determined by the viscosity. In the same sealed valve, under the same conditions, the leakage of the medium with large viscosity is much smaller than that of the medium with small viscosity. The difference between gaseous media and liquid media is more obvious, except for saturated steam, which is easy to ensure sealing.

Q: What is the effect of surface hydrophilicity on sealing?

A: Surface hydrophilicity affects the leakage amount because of the action of capillary characteristics. When there is a thin oil film on the sealing surface, it is necessary to increase the pressure of the water passing through the gap. Due to the good hydrophilicity of the metal surface, kerosene can easily penetrate the gap between the casting and the sealing connection. Therefore, in some of the most critical cases, kerosene is used for sealing hydraulic tests. The sealing test was carried out by filling the cavity with kerosene, which is about equivalent to the hydraulic sealing test under the pressure of 0.3MPa ~0.4MPa.

Hot Tags: german standard flat gate valve, China german standard flat gate valve, API 6D Flat Gate Valve, Carbon Steel Flat Gate Valve, National Standard Flat Gate Valve, Forged Steel Flat Gate Valve, Lug Plate Gate Valve, Nickel Alloy Flat Gate Valve