Square 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:
|
Poduct code |
Load (KN) |
Specifi-cation (mm) |
Clear Opening (mm) |
Height (mm) |
Remark |
|
PWA3030B |
125 |
Φ230 |
Φ202 |
17 |
|
|
PWA4040B |
125 |
Φ327 |
Φ302 |
24 |
|
|
PWA5050B |
125 |
Φ371 |
Φ354 |
30 |
|
|
PWA6060B |
125 |
Φ448 |
Φ427 |
30 |
|
|
PWA7070B |
125 |
Φ522 |
Φ504 |
35 |
|
|
PWA8080B |
125 |
Φ637 |
Φ616 |
35 |
|
Poduct code |
Load (KN) |
Specification (mm) |
Clear Opening (mm) |
Height (mm) |
Lock device |
Remark |
||
|
Hinge |
Insert |
Lock |
||||||
|
PNB400400H |
80 |
400×400 |
360×360 |
50 |
√ |
|
√ |
|
|
PNB450450H |
80 |
450×450 |
400×400 |
50 |
√ |
|
√ |
|
|
PNB750500A |
15 |
750×500 |
710×460 |
50 |
√ |
|
√ |
|
|
PNB800600H |
80 |
800×600 |
770×570 |
50 |
√ |
|
√ |
|
|
PNB860610A |
15 |
860×610 |
800×550 |
50 |
√ |
|
√ |
|
|
Poduct code |
Load (kN) |
Specifi-cation (mm) |
Clear Opening (mm) |
Height (mm) |
Lock device |
Cushion |
Remark |
||
|
Hinge |
Insert |
Lock |
|||||||
|
PNB210210B |
125 |
210×210 |
210×210 |
50 |
√ |
|
|
|
|
|
PNB400400B |
125 |
400×400 |
355×355 |
60 |
√ |
|
√ |
√ |
|
|
PNB450450B |
125 |
450×450 |
400×400 |
60 |
√ |
|
√ |
√ |
|
|
PNB530530B |
125 |
530×530 |
770×570 |
50 |
√ |
|
√ |
|
|
|
PNB600600B |
125 |
600×600 |
550×550 |
60 |
√ |
|
√ |
√ |
|
|
PNB700700B |
125 |
700×700 |
670×670 |
50 |
√ |
|
√ |
|
|
|
PNB800500B |
125 |
800×500 |
755×455 |
60 |
√ |
|
√ |
√ |
|
|
PNB800600B |
125 |
800×600 |
750×550 |
60 |
√ |
|
√ |
√ |
|
|
PNB800800B |
125 |
790×790 |
745×745 |
60 |
√ |
|
√ |
√ |
|
|
PNB840570B |
125 |
840×570 |
790×520 |
70 |
√ |
|
√ |
√ |
|
|
PNB900450B |
125 |
900×450 |
850×400 |
60 |
√ |
|
√ |
|
|
|
PNB950550B |
125 |
950×550 |
900×500 |
55 |
√ |
|
√ |
|
|
|
PNB1000600B |
125 |
1000×600 |
960×560 |
50 |
√ |
|
|
|
|
|
Poduct code |
Load (KN) |
Specifi-cation (mm) |
Clear Opening (mm) |
Height (mm) |
Remark |
|
PWB2020B |
125 |
165 × 165 |
140 × 140 |
30 |
|
|
PWB3030B |
125 |
235 × 235 |
200 × 200 |
30 |
|
|
PWB4040B |
125 |
325 × 325 |
290 × 290 |
30 |
|
|
PWB5050B |
125 |
425 × 425 |
390 × 390 |
35 |
|
|
PWB5555B |
125 |
480 × 480 |
450 × 450 |
35 |
|
|
PWA6060B |
125 |
525 × 525 |
490 × 490 |
35 |
|
|
PWB7070B |
125 |
635 × 635 |
600 × 600 |
40 | |
|
PWB8060B |
125 |
730 × 530 |
700 × 500 |
45 | |
|
PWB8080B |
125 |
725 × 725 |
690 × 690 |
45 | |
|
PWB9090B |
125 |
827 × 827 |
780 × 780 |
60 | |
|
PWB100100B |
125 |
932 × 932 |
882 × 882 |
60 |
|
Poduct code |
Load (KN) |
Specifi-cation (mm) |
Clear Opening (mm) |
Height (mm) |
Remark |
|
PWB3030C |
250 |
235 × 235 |
200 × 200 |
35 |
|
|
PWB3737C |
250 |
304 × 304 |
270 × 270 |
35 |
|
|
PWB4040C |
250 |
325 × 325 |
290 × 290 |
35 |
|
|
PWB5050C |
250 |
425 × 425 |
390 × 390 |
40 |
|
|
PWB5555C |
250 |
480 × 480 |
450 × 450 |
45 |
|
|
PWA6060C |
250 |
525 × 525 |
490 × 490 |
45 |
|
|
PWB7070C |
250 |
635 × 635 |
600 × 600 |
50 | |
|
PWB8060C |
250 |
730 × 530 |
700 × 500 |
60 | |
|
PWB8080C |
250 |
822 × 822 |
690 × 690 |
60 | |
|
PWB9090C |
250 |
725 × 725 |
790 × 790 |
65 | |
|
PWB100100C |
125 |
928 × 928 |
890 × 890 |
70 |
