Ductile iron sewer manhole cover and frame

Specifications

sewer manhole cover and frame
1.OEM service
2.easy anti-theft design
3.21-year experience
4.High strength

Ductile iron manhole cover and frame features

 

Model No.	Load weight(T)	Dimensions(mm)	Clear opening(mm)	Weight(kg)
PJ	25.5	778*410	757*235	40.00

 

Features: 

Manufactured to be BS EN124 Class C250

Suitable for slow moving traffic 

25tonne saft test load. 

Works safety tested to 27.5 tonnes =+10% 

Ductile Iron improved weight to strength ratio. 

Red coasted finish. 

ADVANTAGES 

1.Anti-theft: cover and base frame integrate connection, hinge-type opening, sledgehammer hit not break it, completely anti-theft. 

2.Load-bearing great: the toughness of ductile iron is fourfold that of ordinary cast iron, close to steel materials, suitable for all kinds of road use! 

3.Corrosion resistent: Sewer internal environment complex, filled with various chemical substances, ductile iron does not suffer chemical corrosion, service life more than 30 years. 

4.Opens conveniently: light weight, single unarmed can be open, convenient downhole maintenance! 

5.Superior safety performance: It often occurred underground explosion accident, fly up covers scarred passers-by , manhole covers integration connections will not depart from the ground 

Applications
(1) Electric power pipeline well; post, telecommunication, communication pipeline well;
(2) Street lamp well, fire control well, all kinds of valve wells;
(3) City water, drainage pipeline well; heat supplied, gas well;
(4) As cover board for anti-theft