Professional Design Man Hole Keys - 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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Our company promises all users of the first-class products and the most satisfying post-sale service. We warmly welcome our regular and new customers to join us for Professional Design Man Hole Keys - Pipe And Fitting’s Coupling And Connectors – YONGTIA, The product will supply to all over the world, such as: Sri Lanka, Liberia, Pakistan, With the development and enlargement of mass clients abroad, now we have set up cooperative relationships with many major brands. We have our own factory and also have many reliable and well-cooperated factories in the field. Adhering to the "quality first, customer first, We are provideing high-quality, low-cost products and first-class service to customers. We sincerely hope to establish business relationship with customers from all over the world on the basis of quality, mutually benefit. We welcome OEM projects and designs.

Superb technology, perfect after-sales service and efficient work efficiency, we think this is our best choice.
