The door specifications are divided into two types: circular door and square door, which can be designed and produced according to the size and shape of the water outlet; It can be divided into hollow floating plate flap door and flat plate flap door. A one-way valve suitable for pipelines, sewage treatment, and drainage pipe outlets on river banks, which has the function of automatic opening and closing; Good water stop and backflow prevention performance; Composite material doors have strong corrosion resistance and are easy to install and manage.
The composite material is light in weight, corrosion resistant and aging resistant; The effect of no further recycling value, effectively preventing theft; Increasing the opening angle greatly reduces the opening and closing force of the door flap; Superior mechanical performance, strong designability, and reliable operation.
The composite material flap door can be circular or rectangular in shape, with a tight structure, reliable operation, and no need for manual operation. It can be connected with flanges or fixed with embedded parts.
Scope of application:
Chao Men and Pai Men are both one-way valves that can provide reverse check function.
CM type tide doors are mainly used for pipelines with low pressure loss requirements; Occasions with infrequent movements and low sealing requirements. Generally used along river banks and at the outlet of municipal drainage pipelines. The main materials used for production are fiberglass and cast iron.
The PM type flap door is mainly used for situations where the pressure loss requirement for pipelines is not high. It is generally installed directly at the outlet end of the water pump and has high impact resistance. The material used for production can be cast iron, fiberglass, or steel parts. The shape is divided into square and circular, and with slight modifications, it can be used as a cellar cover.
FPM type floating box flap door, cast iron moisture-proof door for pipeline pressure loss, flap door. The floating box flap door is small and can be considered as a substitute for ordinary flap doors. The specific gravity of the door cover can be set, and most of them are welded parts.
characteristic:
1. CM type is a hard water stop seal, economical and durable. If made of fiberglass, it can invisibly prevent theft.
2. PM type is a rubber soft water stop seal with good effect and impact resistance.
3. The FPM type door body has a slightly higher specific gravity in water than water, and the opening head is extremely small (about 0.06m head after gravity cancellation)
4. The installation form is mostly flange structure, which is convenient to install.
5. Save electricity, manpower, water treatment costs, etc.