Manufacturers Produce Square 500*500 Bmc Heavy Duty Manhole Covers
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.
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.
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!
Send Inquiry to This Supplier
You May Also Like
-
EN124 SMC/BMC Fiberglass Durable Water Grate /GRP/frp Sewer Drain Manhole CoverNegotiableMOQ: 1
-
Frp Composite Resin Manhole Cover Round and Square Circle Outdoor Water Drain Covers Sewer Lid Frp Plastic Manhole CoverNegotiableMOQ: 1
-
Plastic Road Drain Cover Round FRP Manhole Cover Well Pit CoversNegotiableMOQ: 1
-
Rainwater Manhole Cover Manhole Drain Cover FRP Manhole Cover ManufacturerNegotiableMOQ: 1
-
Fiberglass Manhole Cover Well Pit Covers Bmc/smc Manhole CoverNegotiableMOQ: 1
-
Plastic Water Well Covers Composite Manhole Cover Price Square Manhole Cover With HingeNegotiableMOQ: 1
-
Light Duty Composite Manhole Cover EN-124 FRP Manhole CoverNegotiableMOQ: 1
-
Bmc and Smc Grp Manhole Cover Cable ManholeNegotiableMOQ: 1
-
D400 600*600mm SMC Fiberglass Manhole Covers PlasticNegotiableMOQ: 1
-
Plastic Square FRP/GRP/SMC/BMC Manhole Cover Composite Manholes And Sewer Covers For The Transit CarNegotiableMOQ: 1