Pressure manhole

Apply 

 ▪ The pressure-type manhole cover series is mainly used in pressure vessels in industrial fields such as food, brewing, beverage and pharmaceuticals. 

 Operating principle 

 ▪ When the piggy bank needs to be repaired, first unswise the handwheel (used to fix the hole cover and provide the force of axial sealing), and then open the manhole cover with the help of the handle fixed on the manhole cover (the manhole cover is connected to the frame by hinges to ensure that the manhole cover closes accurately when closed, and the hinge can open The manhole cover is limited to an angle of 3 0° above the vertical position), so that the maintenance personnel can check the inside of the tank; when the manhole cover is closed and in place, the seal between the manhole cover and the tank body can be sealed, so as to avoid the leakage of substances in the tank. 

 Design standards 

 ▪ Yodsn can provide oval or round product forms; without a peephole or a pressure manhole cover with a voyeur. 

 ▪ The pressure manhole cover can be equipped with more than 4 handwheel fixing devices, and the number of handwheels is determined by the size of the manhole cover, the pressure and the temperature, or can be changed according to customer requirements. 

 Technical parameter 

 ▪ Work pressure: the high pressure is 5 . 0 b a r 

 ▪ Working negative pressure: full vacuum 

 ▪ Temperature range: -10°C to 2 50°C