Product Overview: Multi-layer Hard Seal Butterfly Valves

Multi-level hard seal butterfly valve series products are long-life, energy-saving butterfly valves. Its structure adopts three-dimensional knitting principle design, the valve seat adopts multi-layer structure compatible with hard and soft sealing, exquisite processing, advanced technology. This product consists of valve body, butterfly plate, multi-level valve seat, valve stem, transmission mechanism and other major components. Therefore, it is widely used in the pipelines of metallurgy, electric power, petroleum, chemical industry, air, gas, combustible gas and corrosive media such as water supply and drainage.

Product features

As this product butterfly valve adopts three-dimensional eccentric principle design, so that the spatial movement trajectory of the sealing surface to achieve idealization, the sealing surface of each other without friction, no interference, coupled with the proper selection of sealing materials, so that the butterfly valve's sealing, corrosion resistance, high temperature resistance, and abrasion resistance, and so on, has been reliably guaranteed. Its main features are as follows:

1、Small opening torque, flexible and convenient, labor-saving and energy-saving.

2、Three-dimensional braided-center structure makes the butterfly plate tighter and tighter the more it closes, and its sealing performance is reliable and achieves no leakage.

3、Resistant to high pressure, corrosion, abrasion and long service life.

Standard

Design standard :GB/T 12238; JB/T 8527

Flange connection size

gb/t 9113.1; gb/t 9113.2

gb/t 9115.1;gb/t 9115.2

Structure length

GB/T 12221

Pressure test

GB/T 13927;JB/T 9092

Actuator

Adopting new series GT type pneumatic actuator with double-acting type and single-acting type (spring reset), gear transmission, safe and reliable; large caliber valve adopts series AW type pneumatic actuator with plucking fork transmission, reasonable structure, large output torque, double-acting type and single-acting type.

1、Gear type double piston, large output torque, small volume.

2、The cylinder is made of aluminum and gold material, with light weight and beautiful appearance.

3、Manual operation mechanism can be installed at the top and bottom.

4、Rack and pinion connection can adjust the opening angle and rated flow rate.

5、The actuator is optional with electric signal feedback indication and various accessories to realize automatic operation.

6、IS05211 standard connection provides convenience for product installation and replacement.

7, both ends of the adjustment of the section screw can make the standard product in 0 ° and 90 ° have ± 4 ° adjustable range. Ensure the synchronization accuracy with the valve.

Accessories

According to different control and requirements can choose the following accessories:

Cut-off type accessories: single electrically controlled solenoid valve, double electrically controlled solenoid valve, limit switch return.

Regulating accessories: electrical positioner, pneumatic positioner, electrical converter.

Air source processing accessories: air filtration and pressure reducing valve, air source processing triple.

Manual Mechanism: HVSD hand-operated mechanism