OEM Double Sealed Concret Manhole Cover for Road Drain Inspection

• Casting Method: Sand Casting
• Casting Form Material: Sand
• Casting Metal: Cast Iron
• Casting Form Usage Count: Permanent
• Surface Treatment: Sand Blast
• Surface Roughness: Ra0.8
• Model NO.: WF-JF
• Coating: Syrup or pulp waste
• Machining Tolerance: +/-0.02mm
• Standard: GB
• Certification: CE, RoHS, ISO 9001:2000, ISO 9001:2008
• Item: OEM Double Sealed Concret Manhole Cover for Road D
• Place of Origin: China(Mainland)
• Size and Design: as Per Customers Requirement or Sample
• Weight Range: 0.5-300 Kg
• Machining: Complete Machining Center, CNC, Lathe
• Casting Service: Your Logo, Character, Trade Name, Number
• Process: Sand Casting,Coated Sand Shell Mold
• Supply: Drawing Design
• Castig Type: Sand Casting, Precision Casting
• Shipping Port: Qingdao
• Transport Package: Iron Box, Plywood Box
• Specification: SGS
• Trademark: Shengao
• Origin: Weifang City. Shandong Province. China
• HS Code: 87089910
• Production Capacity: 50000PCS/Month

Product Description

OEM Double Sealed Concret Manhole Cover for Road Drain Inspection 

Characteristics of our manhole cover:
 1. Material: cast gray iron, ductile iron.
 2. Shape: round, square, rectangle and triangle.
 3. Diameter: from 200mm to 1200mm.
 4. Weight: from 7kg to 154kg or according to customers\' requirment
 5. Packing: in wooden  pallet with plastic layer
 6. Annual output: 10,000 tons
 7. Coating: black bitumen or Coating as per customers\' requirement
 8. Use :municipal engineering, Traffic, pavement ,electronics,telecom, cable, petroleum, chemical industry, or drainage system and industrial facilities of valve well.

Features:                       
1) Production information
manhole cover are manufactured for construction and public use .Manhole cover shall be smooth and free sand holes , blow holes , distortion or any other defects
2) Material
a) Ductile iron GGG500&400-12
B) Grey iron GG20
3) Designs
a) EN124 Class B125 C250 D400 ,with different size and grammage, or as per customers requirement
b) Major standards designs available
c) as per customers' drawing or samples
4) Process
a) Molding boards
d) Green sand with molding                        
5) Coating
a) Cold applied black bitumen
b) Without coating
c) Coating as per customers requirement
6) Different accessories are available
7) Packing:
Steel or wood pallet, or as per customers' requirement
8) Capacity: 3000 ton per month
 OEM Double Seal Manhole Cover for Drain Inspection Cover
1.Ductile Iron Castings:
molding process: Resin sand/Green Sand
Material: EN-GJS-400-15/EN-GJS-500-7/EN-GJS-600-3/EN-GJS-700-2
Molding: Hand molding/Molding machine Z145/146/148/Molding line.
Possible Heat Treatment: Annealing
Industry involved: Municipal Construction / Fluid
/Automotive
Part unit weight range: 0. 5kg-2000kgs
Max/Min wall thickness requirements: 4mm-250mm
Manufacturer Certification: ISO9001(2000)/ TS16949
2. Grey iron castings: 
1) molding process: Green sand/Resin sand
2) Material: EN-GJL-150/DIN 1691 GG-15,EN-GJL-200/DIN 1691-GG20,EN-GJL-250/DIN1691-GG25
,EN-GJL-300/DIN1691-GG30
3) Molding: Hand molding/ Molding machine Z145/146/148/Molding line.
4) Industry involved: Municipal industry/Construction Fluid industry/Automotive industry
5) Part unit weight range: 0.5kg-2000kgs
6) Max/Min wall thickness requirements: 4mm

 

Item	OEM Double Seal Manhole Cover for Drain Inspection Cover
Size	DN100-1000mm
Surface treatment	black painted, oil, painting
Shape	square, round
Material	ductile iron, cast iron, QT500
Heat Treatment	can be as your requirement.
Advantages	Delivery on time,  according to the demand for materials
Packing	wooden case or as your requirement.
Delivery	within 30 days after receiving last confirm information.

Item		Material	Technical Process
1	Ductile iron castings	ASTM A 536-Gr.60-40-18,65-45-12,80-55-06,80-60-03; DIN-GGG40,GGG50,GGG60,GGG70; JIS-FCD40,FCD50,FCD60,FCD70; BS-Gr370-17,Gr420-12,Gr500-7,Gr600-3,Gr700-2; NF-FGS370-12,FGS400-12,FGS500-7,FGS600-3,FGS700-2;	Green-sand moulding Resin-sand moulding Lost foam cast Shell-core cast Electric-furnace smelting
2	Grey iron castings	ASTM A48-No.20,25,30,35,40,45,50; ASTM A126-Class A, Class B, Class C; DIN-GG10,GG15,GG20,GG25,GG30,GG35; JIS-FC10,FC15,FC20,FC25,FC30,FC35; BS-Grade 150,180,220,260,300,350; NF-FGL150,FGL200,FGL250,FGL300,FGL350;	Green-sand moulding Resin-sand moulding Lost foam cast Shell-core cast Electric-furnace smelting
3	Carbon steel castings	ASTM A216-Gr. WCB, Gr. WCA, Gr. WCC; ASTM-415-205, 450-240, 485-275, 80-40; DIN- GS-C25(1.0619), GS-38(1.0416), GS-45(1.0446), GS-52(1.0552), GS-60(1.0558); JIS-SC410, SC450, SC480, SCC5; BS-A1, A2, A5; NF-GE230, GE280, GE320, GE370	Soluble glass sand moulding Resin-sand moulding Lost wax casting (Investment casting) Lost foam cast Shell-core cast Electric-furnace smelting
4	Stainless steel castings	ASTM-CF-8M, CF-8, CA-15, CA-40, 316, 304; DIN-G-X6CrNi18 9(1.4308), G-X7Cr13(1.4001) G-X20Cr14(1.4027), 1.4408; JIS-SCS13, SCS 1, SCS 2, SCS 14A; BS-304C15, 410C21, 420C29, 316, 304; NF-Z6CND18.12M, Z6CN18.10M, Z12C13M, Z20C13M	Soluble glass sand moulding Resin-sand moulding Lost wax casting (Investment casting) Electric-furnace smelting
5	Alloy steel castings	DIN-GS-40Mn5(1.1168), GS-20Mn5(1.1120); GS-37MnSi5(1.5122), GS-34CrMo4(1.7220); JIS-SCMn3, SCW480, SCSiMn2, SCCrM3, SCMnCR3; ASTM-LCC UNS-J02505, J13048 NF-G20M6, G35CrMo4	Soluble glass sand moulding Resin-sand moulding Lost wax casting (Investment casting) Electric-furnace smelting

Q: Why choose Shengao product?
A: We shengao have our own plant-- Weifang Shengao machinery Co., Ltd, therefore, we can surely 
promise the quality of every product and provide you comparable price.

Q: Do you provide OEM Service?
A: Yes, we provide OEM Service.

Q: Do you provide customized manhole cover?
A: Yes. Customers give us drawings and specifications, and we will manufacture accordingly.

Q: What is your payment term?
A: We provide kinds of payment terms such as L/C, T/T, Paypal, Escrow, etc.

Quality First, Price Best, Service Foremost!
We assure you of ourbest services at all times!