Product that has the function of noiseless serrated locking
∮648 Reflux Preventive Serrated Locking
Size
∮648
Material
Cover – Base plate – Nodular graphite iron (GCD 500)
Static load capacity
Over 45 tons
Customer management
Possible to inscribe local government’s logo and letters
Place of origin
Mark on the back of the cover and the top of the base plate
Key Technology
It is composed of the small cover that consists of the upper part and the lower part, which are processed within the range of deviation by precision machines. The precise tolerance and pin are installed to settle the pressure of the water. After settling the water pressure, the small cover will be firmly fastened to the upper part of the cover and remain adhered.
