New Arrival China Double Seal Manhole - Pipe And Fitting’s Coupling And Connectors – YONGTIA Detail:
DN | ≈D(mm) | ≈H(mm) | ≈L(mm) | Torque(NM) | Bolt | Bar |
50 | 71 | 83 | 42 | 18.00 | M8 | 5 |
70 | 91 | 103 | 45 | 18.00 | M8 | 5 |
75/80 | 96 | 107 | 47 | 18.00 | M8 | 5 |
100 | 123 | 135 | 47 | 18.00 | M8 | 5 |
125 | 152 | 164 | 54 | 18.00 | M8 | 5 |
150 | 177 | 189 | 54 | 18.00 | M8 | 5 |
200 | 230 | 244 | 67 | 28.00 | M10 | 5 |
250 | 290 | 315 | 95 | 30.00 | M10 | 3 |
300 | 350 | 375 | 95 | 30.00 | M10 | 3 |
Strip Material and Fixed parts: S.S 1.4301/1.4571/1.4510 as per EN10088(AISI304/AISI316/AISI439).
Bolt: Round head screws with hexagon socket with zinc plated.
Sealing rubber/Gasket: EPDM/NBR/SBR.
DN | ≈A(mm) | ≈B(mm) | ≈D(mm) | ≈L(mm) | Torque(NM) | Bolt |
50 | 14 | 22.5 | 65 | 48 | 6-8 | M6 |
70 | 14 | 22.5 | 65 | 48 | 6-8 | M6 |
75/80 | 14 | 22.5 | 88 | 48 | 6-8 | M6 |
100 | 18 | 22.5 | 115 | 54 | 10-12 | M8 |
125 | 18 | 31 | 140 | 65 | 10-12 | M8 |
150 | 18 | 31 | 170 | 65 | 10-12 | M8 |
200 | 18 | 37 | 220 | 78 | 15-20 | M8 |
250 | 18 | 37 | 286 | 78 | 15-20 | M10 |
300 | 18 | 37 | 338 | 78 | 15-20 | M10 |
Strip Material and Fixed parts: S.S 1.4301/1.4571/1.4510 as per EN10088(AISI304/AISI316/AISI439).
Bolt: Round head screws with hexagon socket with zinc plated.
Sealing rubber/Gasket: EPDM/NBR/SBR.
DN | ≈A(mm) | ≈B(mm) | Torque(NM) | Bolt |
50 | 58 | 68 | 6-8 | M6 |
70 | 58 | 91 | 6-8 | M6 |
75/80 | 58 | 96 | 6-8 | M6 |
100 | 58 | 120 | 10-12 | M8 |
125 | 58 | 140 | 10-12 | M8 |
150 | 72 | 168 | 10-12 | M8 |
200 | 84 | 226 | 15-20 | M8 |
250 | 142 | 280 | 15-20 | M10 |
300 | 142 | 350 | 15-20 | M10 |
Product detail pictures:


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Assume full accountability to fulfill all demands of our purchasers; attain continual advancements by marketing the advancement of our clientele; grow to be the final permanent cooperative partner of purchasers and maximize the interests of purchasers for New Arrival China Double Seal Manhole - Pipe And Fitting’s Coupling And Connectors – YONGTIA, The product will supply to all over the world, such as: Sudan, Czech, Honduras, To keep the leading position in our industry, we never stop challenging the limitation in all aspects to create the ideal products. In his way, We can enrich our life style and promote a better living environment for the global community.

This manufacturers not only respected our choice and requirements, but also gave us a lot of good suggestions, ultimately, we successfully completed the procurement tasks.
