Circular series manhole cover
Original technology: Triple anti noise patented technology protection ensures safer and more environmentally friendly use of manhole covers.
Original technology: Double anti-theft patented technology protection, making the manhole cover safer after 30 million times of wheel rolling
without damage or deformation. The manhole cover has the highest safety level and more than 50 processes are carefully checked.
Application areas:
Municipal road construction.
Water supply, drainage, rainwater, sewage.
Electricity, streetlights, telecommunications, network communication, and railway communication.
Cable TV, traffic signals, heating, gas supply, natural gas pipelines, oil pipelines, airports, docks, ports, gardens.
Product parameters：
|
Product code |
Load (KN) |
Specifi-cation (mm) |
Clear Opening (mm) |
Height (mm) |
Lock device |
impact and anti noise device |
Remark |
|||
|
Hinge |
Insert |
Lock |
Cushion |
Machining |
||||||
|
PNA400B |
125 |
Φ400 |
Φ350 |
70 |
√ |
|
√ |
|
|
|
|
PNA500B |
125 |
Φ500 |
Φ450 |
60 |
√ |
|
√ |
|
|
|
|
PNA600B |
125 |
Φ600 |
Φ550 |
60 |
√ |
|
√ |
|
|
|
|
PNA650B |
125 |
Φ650 |
Φ600 |
75 |
√ |
|
√ |
|
|
|
|
PNA700B |
125 |
Φ700 |
Φ665 |
60 |
√ |
|
|
|
|
|
|
PNA750B |
125 |
Φ750 |
Φ700 |
75 |
√ |
|
√ |
|
|
|
|
PNA1000B |
125 |
Φ1000 |
Φ950 |
75 |
|
√ |
√ |
|
|
|
|
Product code |
Load (kN) |
Specifi- cation (mm) |
Clear Opening (mm) |
Height (mm) |
Lock device |
Anti impact and anti noise device |
Remark |
|||
|
Hinge |
Insert |
Lock |
Cushion |
Machining |
||||||
|
PNA400K |
210 |
Φ400 |
Φ350 |
70 |
√ |
|
√ |
√ |
|
|
|
PNA500C |
250 |
Φ500 |
Φ450 |
60 |
√ |
|
√ |
√ |
|
|
|
PNA600K |
210 |
Φ600 |
Φ550 |
60 |
√ |
|
√ |
√ |
|
|
|
PNA600L |
300 |
Φ600 |
Φ550 |
60 |
√ |
|
√ |
√ |
|
|
|
PNA650K |
210 |
Φ650 |
Φ600 |
75 |
√ |
|
√ |
√ |
|
|
|
PNA650L |
300 |
Φ650 |
Φ600 |
75 |
√ |
|
√ |
√ |
|
|
|
PNA700K |
210 |
Φ700 |
Φ650 |
75 |
√ |
|
√ |
√ |
|
|
|
PNA700C |
250 |
Φ700 |
Φ650 |
75 |
√ |
|
√ |
√ |
√ |
|
|
PNA700L |
300 |
Φ700 |
Φ650 |
75 |
√ |
|
√ |
√ |
|
|
|
PNA750C |
250 |
Φ750 |
Φ700 |
75 |
√ |
|
√ |
√ |
|
|
|
PNA756L |
300 |
Φ750 |
Φ700 |
75 |
√ |
|
√ |
√ |
|
double-layer |
|
PNA820K |
210 |
Φ820 |
Φ770 |
75 |
√ |
|
√ |
√ |
|
|
|
PNA1000K |
210 |
Φ1000 |
Φ950 |
75 |
|
√ |
√ |
√ |
|
|
|
Product code |
Load (KN) |
Specifi- cation (mm) |
Clear Opening (mm) |
Height (mm) |
Lock device |
Anti impact and anti noise device |
Remark |
||||
|
Hinge |
Insert |
Lock |
Cushion |
Machining |
Tension device |
||||||
|
PNA500M |
360 |
Φ500 |
Φ450 |
60 |
√ |
|
√ |
√ |
√ |
|
|
|
PNA600M |
360 |
Φ600 |
Φ550 |
60 |
√ |
|
√ |
√ |
|
|
|
|
PNA650M |
360 |
Φ650 |
Φ600 |
75 |
√ |
|
√ |
√ |
|
|
|
|
PNA650D |
400 |
Φ650 |
Φ600 |
170 |
√ |
|
√ |
√ |
√ |
√ |
|
|
PNA700M |
360 |
Φ700 |
Φ650 |
75 |
√ |
|
√ |
√ |
|
|
|
|
PNA700D |
400 |
Φ700 |
Φ650 |
100 |
√ |
|
√ |
√ |
√ |
√ |
|
|
PNA700N |
500 |
Φ700 |
Φ650 |
130 |
√ |
|
√ |
√ |
√ |
√ |
|
|
PNA750M |
360 |
Φ750 |
Φ700 |
75 |
√ |
|
√ |
√ |
|
|
|
|
PNA750D |
400 |
Φ750 |
Φ700 |
100 |
√ |
|
√ |
√ |
|
|
|
|
PNA750N |
500 |
Φ750 |
Φ700 |
100 |
√ |
|
√ |
√ |
|
|
|
|
PNA820M |
360 |
Φ820 |
Φ770 |
75 |
√ |
|
√ |
√ |
|
|
|
|
PNA840M |
360 |
Φ840 |
Φ800 |
100 |
√ |
|
√ |
|
√ |
|
|
