Gold Member Since 2014
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Weifang Shengao Machinery Co., Ltd.

Manhole Cover, Recessed Manhole Covers, Floor Drain Covers manufacturer / supplier in China, offering Floor Drain Covers/Recessed Manhole Covers Round with Locking, Customized Cast Gray Iron Casting Flywheel with Machining Service, Customized Metal Die Hot Cold Forging Parts with Passivation and so on.

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Floor Drain Covers/Recessed Manhole Covers Round with Locking

Purchase Qty.:
(Tons)
1 2 3+
FOB Unit Price: US $1,000 US $900 US $800
Purchase Qty. (Tons) FOB Unit Price
1 US $1,000
2 US $900
3+ US $800
Get Latest Price
Port: Qingdao, China
Production Capacity: 50000ton/Month
Payment Terms: L/C, T/T, D/P

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Basic Info
  • Model NO.: WF-JF
  • Casting Method: Directional Crystallization
  • Application: Machinery Parts
  • Material: Iron
  • Surface Roughness: Ra0.8
  • Certification: SGS, CE, ISO 9001:2000, ISO 9001:2008
  • Standard or Nonstandard: Nonstandard
  • Qualiy Control: Professional QC Stuff, Spectrograph
  • Supply: Drawing Design
  • OEM and ODM: 100%
  • Quality Control: 100% Inspected
  • Transport Package: Iron Box, Plywood Box
  • Origin: Weifang City. Shandong Province. China
  • Type: Clay Dry Sand
  • Sand Core Type: Resin Sand Core
  • Machining: CNC Machining
  • Surface Treatment: Sand Blast
  • Standard: ASTM
  • Place of Origin: Shandong(Mainland)
  • Castig Type: Silica Sol Casting, Precision Casting
  • Unique: China Golden Supplier
  • Use: Casting Parts for Machine Parts
  • Product Material: Gray Iron, Ductile Iron, Aluminum, etc.
  • Trademark: Shengao
  • Specification: SGS, ISO9001: 2008
  • HS Code: 87089910
Product Description
Floor Drain Cover/Manhole Covers Round with Locking


Applications: pedestrians, car parks, aircraft pavements
Material: ductile iron GGG50
Specification: 1,380x850 and 1,990x850mm
Paint: black Bituminous paint, epoxy coating or as per client'srequirements
Load: EN124 D400
Packaging: iron or wooden pallet with steel strip and plasticfilm
Delivery: 15-30 days
Advantage: non-slip and safe, easy installation, easy to clean,good anti-pressure and attractive appearance
We can manufacture all kinds of ductile iron and gray ironcastings, the main products include: manhole covers, channel grates, surface boxes, water meter box, pipe fittings etc.
 
Advantage of Manhole Covers
1. High load rating and strength
 
v Similar hard property as cast iron, while have a overwhelming advantage on stretch recovery.
v Designed to meet and exceed A15/B125/C250/D400 loading rating, according to En124: 1994.
v Less noise and lower vibration transmissions.
 
2. Against theft and safety options
 
v Zero theft value, reducing potential accident and further maintenance cost caused by thieves.
v Surface anti-slip thread guarantees safe road condition even in extreme weather.
v Locks are available as an option molded into the cover to improve security rate.
v Non-electricity conduction and non-heat conduction.
 
3. Lightweight 
 
v Compared with cast iron manhole covers, composited covers are 50% lighter.
v Lightweight allows more loading per vehicle, more convenient transportation and economical saving.
v Allows a safer working condition, which a SINGLE worker is enough when installation without risk of injury.
 
4. Durable service life.
 
v More than 30 years service life without crack and color fading, comparing to 5 years of cast iron.
v Anti corrosion,water, dust and pets tight, well sealed prevent poisonous gas leaking out.
v Without displacement, freely radio signal passing.
v Higher and lower temperature tolerance with the range -40°C-200°C.
v Wear indicators available when thread depth is in a danger value.
 
5. Free design
 
v Composite material itself allows for innovative design features, clint logo is available as an option.
v Much more clear resolution ratio of surface design than cast iron or BMC.
 
6. Carbon footprint saving and environmental care.
 
v Lower embedded energy carbon emission and during manufacturing process than cast iron covers.



Our Services
Design - Manufacture - Sale - Service  
Any sizes and types of Cast Iron manhole covers / gratings can be customized.
 
Product Quality:
Service life: 30 years . (We guarantee that our manhole covers won't break and out of shape after 30 million times roller 
compaction. ) High strength, high elongation and high corrosion resistance's ductile cast iron be used as the raw material 
for making manhole covers. Its strength is much higher than No.45 superior carbon steel, 3~5 times higher than common
 cast iron covers. 10~30 times higher than cement, resin, steel fiber and so on.  
 
1. Manhole cover and road grate sample can be sent. 
2. Customer marking acceptable
3. AutoCAD design 
4.As the independent thrid part to check the product for oversea customer and supply the lawfull product quality report.
5.execute the BS EN 124 standard to promise the customer's product quality.
 
Please contact us for more information:            
All the pattern or words on the surface of manhole cover you need, we can manufacture it for you.I represent all my company members welcome every golbal friends to visit our company for our more development and good bussiness with you. 
Packaging & Shipping
 Standard export packaging. Client's suggestions can be accepted.


material
ductile iron GGG50/7, gray iron
standardEN124/1433/1563
classA15,B125,C250,D400,E600,F900
shapeRound
Size600*600,840*840, 850*850 or as per customers' drawing
paintbituminous black
advantageNon-slip and safe, easy installation, easy to clean, excellent anti-pressure and attractive appearance
moldingDISA Line
processDrawing-mould making-raw casting-sand blasting-rough machining-surface treatment-product inspection
applicationfootway, pedestrians, car parks, aircraft pavements
certificateBSI, ISO9001:2000
Strict quality controlTensile strength: 500Mpa                        Yield stress :  320Mpa
Elongation rate :  7%
Hardness: HBS170-230
                               
Main productsManhole covers and grates, Furnace, bases, Machinery parts, cookers, Valve bodies, pipe fittings, Auto parts
other informationwe can cast and process any type of iron casting products according to customers' drawing or samples

   Size( customized available for other dimensions)

Order No.
Inner diagratingOuter diaHeightWeight(kg)Pressure(KN)
F0536-1252 x 252326 x 326360 x 3603613.5C250
F0536-2350 x 350400 x 400470 x 4704020C250
F0536-3450 x 450500 x 500580 x 5805032C250
F0536-4550 x 550600 x 600680 x 6805039C250
F0536-5350 x 350400 x 400500 x 50010036.2D400
F0536-6450 x 450500 x 500600 x 60010049D400
F0536-7560 x 560600 x 600700 x 70010062D400

Material composition:

Tensile strength
560MpaYield strees340Mpa
Elongation rate7.5%Hardness210HBS
Material GJS500-7(GGG50)StandardEN 124
 

Our main products: manhole; manhole cover; drain covers; cover drive; man hole; sewer manhole; manhole frame; manhole covers for sale; recessed manhole covers; cast iron manhole covers; manhole covers round; manhole cover manufacturers; double sealed manhole cover; sewer cover; cast iron drain cover; heavy duty manhole covers; round manhole covers; metal drain covers; sealed manhole covers; manhole cover and frame; grate covers; round drain covers; sewer manhole cover; manhole cover suppliers; drain covers grates; sewer covers drain covers; iron manhole cover; recessed drain cover; manway cover; metal manhole cover; manhole cover frame; 

 If there's anything I can help, please feel free to contact with me.
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