Home > Products > Manhole Cover > Manufacturers produce Square 500*500 bmc Heavy Duty manhole covers
Manufacturers produce Square 500*500 bmc Heavy Duty manhole covers
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Product Description
Manufacturers produce Square 500*500 bmc Heavy Duty manhole covers
FRP flap gate ,FRP fiberglass flap valve, FRP check-stop valve for drain water back FRP check-stop valve is mainly made of
non-saturated polyester resin as a base, making to sheet and then molding into production.According to material , there are cast
iron check-stop valve, steel check-stop valve, FRP check- stop valve. According to shape, there are square,round, pontoon
flat,flat flap check-stop valve.FRP check-stop valve installed at the end of the drain pipe , prevent the external water flowing
back. It is composed of a valve seat , a sealing ring and a hinge.
non-saturated polyester resin as a base, making to sheet and then molding into production.According to material , there are cast
iron check-stop valve, steel check-stop valve, FRP check- stop valve. According to shape, there are square,round, pontoon
flat,flat flap check-stop valve.FRP check-stop valve installed at the end of the drain pipe , prevent the external water flowing
back. It is composed of a valve seat , a sealing ring and a hinge.
Material | Fiberglass FRP/grp |
Size | D300-D1000mm |
Temperature: | -20°C-60°C (requirements under the maximum design 3.temperature 120 °C flap valve) |
Working pressure: | 1-1.6MPa |
Opening angle of the cover | >75° |
Closed time | <2s |
Manhole cover is a removable plate forming the lid over the opening of a manhole, to prevent anyone or anything from falling
in,and to keep out unauthoriz-ed persons and material.
PACKING AND DELIVERY
Other manhole cover products
Welcome your inquiry anytime. We will sever you 24hours!
1.About quality, we can supply free sample of Durable FRP Grating For Tree Protection for you.
If ok, welcome your coming to our factory!
2.Before shipping, we must send pictures/videos for your order.
1.About quality, we can supply free sample of Durable FRP Grating For Tree Protection for you.
If ok, welcome your coming to our factory!
2.Before shipping, we must send pictures/videos for your order.
Q: How can you guarantee your product quality?
A: 100% of our products will be tested before delivery. To control quality, we are using high quality material from high quality supplier.
Q: Are you a trading company or a manufacturing factory?
A:We are a manufacturing factory with export qualifications. Our factory is one of the Best FRP products manufacturer in China since 2011.
Q: How about the Delivery time?
A: 10-15days after receiving the deposit based on the MOQ. Normally, 15days to finish the order for a 20ft container. Welcome to ask for the detailed delivery time according to your order quantity!
Any question, you can contact with me!
A: 100% of our products will be tested before delivery. To control quality, we are using high quality material from high quality supplier.
Q: Are you a trading company or a manufacturing factory?
A:We are a manufacturing factory with export qualifications. Our factory is one of the Best FRP products manufacturer in China since 2011.
Q: How about the Delivery time?
A: 10-15days after receiving the deposit based on the MOQ. Normally, 15days to finish the order for a 20ft container. Welcome to ask for the detailed delivery time according to your order quantity!
Any question, you can contact with me!
Contact Us
- Hebei Lanyu Rubber & Plastic Products Co., Ltd.
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