Small size air vent valve is screw type, normally is will be install with a thread ball valve . We also have Double Air Release Valve of Flange type. There is a large and a small orifices. The large one can intake and release large amount of air. The air way of the large orifice is sym-metrical which makes the air releasing amount more than that of the same size double orifices air releasing valve
1- Body/Bonnet: GGG25/50
2- Ball: SS304 or ABS
3- Bolts/Nuts: SS304
4- Pressure Rate: PN10/16
5- Epoxy Resin coating internal & external, thickness above 300 micron
6- Size: DN15-50
7- Connection: Screwed to BSP or NPTÂ



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1.This machine is suitable for plastic film sealing, bagging, can be widely used in food, medicine, chemicals, daily, seed and other industries.
2.As the machine uses electronic thermostat control and stepless speed transmission mechanism, can be sealed a variety of different materials, plastic bags, because the machine is small, widely used, sealing length is not restricted, so with a variety of packaging lines use. It will be the best packaging for the factory, store batch product packaging.
3.As the machine electrical control is simple, reasonable and refined mechanical transmission, which is very stable structural performance, low failure rate, and longer service life. Can work for a long time, to meet the needs of mass production. Products after the sealing of the machine packaging, with a beautiful appearance, clean, dust, moisture, anti-damage, easy to transport and storage. Greatly reduce product loss, and a packaging cost advantage.
Sealing Machine,Bag Continuous Sealer,Film Sealing Machine,Vertical Bag Sealer
Shandong Hightop Machinery Co,.Ltd , https://www.hightopmachinery.com