玻璃钢拍门安装的配件：螺栓或膨胀丝采用不锈钢或经过防腐处理的碳钢；密封件采用橡胶或橡胶垫片。玻璃钢拍门安装要求法兰连接式玻璃钢拍门分为翼环管法兰连接螺栓法兰连接及打膨胀螺丝法兰连接三种。
Accessories for installation of FRP flap door: stainless steel or anti-corrosion carbon steel shall be used for bolts or expansion wires; rubber or rubber gasket shall be used for seals. The installation of fiberglass flap door requires that the flange connected fiberglass flap door can be divided into flange connection of flange connection bolt of wing ring pipe and flange connection with expansion screw.
玻璃钢复合材料拍门结构拍门适用流水槽钢模具 不锈钢铸件 扭王字块模具 井盖钢模具 标志桩模具 调匝式消弧线圈 风冷控制柜 烤漆龙骨于给排水及污水处理工程中的各种管道和水渠中做为溢流、止回作用。主要用于对管道压力损失要求不高，一般直接安装于水泵的出水端，耐冲击力较高的场合。
Fiberglass composite flap door structure flap door is suitable for various pipelines and channels in water supply and drainage and sewage treatment projects as overflow and check functions. It is mainly used in the situation where the pressure loss of the pipeline is not high, which is generally directly installed at the outlet end of the water pump and has high impact resistance