Ductile Iron Manhole Gratings

Product Description

Ductile Iron Sand Casting Manhole Cover


Casting method: sand casting
Character: with removale hinge, with C-type gasket,
                    with or without lock device, round cover
                    with round frame
Coating: black bitumen



Specification
A15, B125, C250, D400, E600, F900
Shape
double triangle, round, square, rectangular, octagonal types & etc.
Surface Treatment
bitumen, epoxy paint and water base paint
Application
Sewer, Electronic, Sanitary, telecommunications, sewage, drainage, water, stormwater, fire protection & etc.
Standard
BS EN 124, AS 3596, SANS
Technical Support
Owning experienced designing team
Quality Control
Superior Product Quality
Production Facilities
Automatic moulding machine lines, cupola, sand treatment system, molding machines, core-shooters, powder coating line, CNC machining centers & etc.
Feature
Single Seal, Double Seal, Bolt Hinge, Removable Hinge, Lock Device, Spring Bar, Auto-locking Device, Safety-Design, Solid, Vent Cover, Lifting Key Hole, Rubber/PE Gasket, GRP Plate, Cut-Corner Design, single seal, double seal, hinge type, ventilated, watertight, airtight, and anti-theft & etc.

SYI can provide the products instructions and the guide of production installation to customers.

Packing & Delivery



Production Facility
With annual production capacity of 35,000 tons, our major equipments include 2 sets of automatic moulding lines, 4 sets of 5-tons cupola and furnaces, 2 sets of load testing machines, 1 epoxy coating machine, 5 sets of core-shooting machines, 3 set of shot blasting machines, 4 set of water pressure machines, 2 machining workshops and all necessary chemical and physical test facilities.


Product Application


Certifications
SYI regards quality as an essential and integral part of our business success. Until now, we are ISO 9001:2008, TUVcertified, BSI Kitemarked, SGS certified, UL listed, FM certified, NF certified and CE certified. Manufacturing "SYI" Brand products has evolved as a mark of quality!