How big a wrench is the nut on the fire hose?
Nuts are also called nuts. There are many kinds of nuts, such as six angle nuts, round nuts, square nuts, and so on. Some standards for nuts are fairly clear. Some specifications, size standards, material requirements, standards, electroplating standards are clear. And different types of nuts also have different standards, there is a detailed description of nuts specifications and standards.
The wrench is mainly applicable to outdoor fire hydrant, fire hydrant on the ground, the ground surface is first coated with F53-1 fire hydrant wrench red phenolic anti rust paint, to be dried and then painted red enamel C04-42 alcohol, underground fire hydrant wrench with L01-6 black asphalt varnish, can also use the performance of not less than the provisions of the same color cards, paint, paint the surface should be smooth and bright that should not have bubbles, cracking, spalling and flow mark. Fire hydrant wrench sleeve wall thickness should be uniform, the internal and external surface should not have cracks and affect the use of performance spots, scars and other defects.
Use the 59 wrench on the nut on the fire hose.
