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| Product model | Nominal diameter | Type of pipe thread | Corresponds to the outer diameter of the helix | Corresponds to the inner diameter of the helix | Cable outer diameter |
| BNG/NGB-15*□□□ | DN15 | G1/2，4分 | ≈20mm | ≈19mm | Φ6-Φ10 |
| BNG/NGB-20*□□□ | DN20 | G3/4，6分 | ≈26mm | ≈24mm | Φ9-Φ14 |
| BNG/NGB-25*□□□ | DN25 | G1，1" | ≈33mm | ≈30mm | Φ11-Φ18 |
| BNG/NGB-32*□□□ | DN32 | G11/4，1.2" | ≈42mm | ≈39mm | Φ14-Φ25 |
| BNG/NGB-40*□□□ | DN40 | G11/2，1.5" | ≈48mm | ≈45mm | Φ17-Φ28 |
| BNG/NGB-50*□□□ | DN50 | G2，2" | ≈60mm | ≈56mm | Φ25-Φ38 |
| BNG/NGB-70*□□□ | DN70 | G21/2，2.5" | ≈75mm | ≈72mm | Φ32-Φ45 |
| BNG/NGB-80*□□□ | DN80 | G3，3" | ≈88mm | ≈85mm | Φ35-Φ55 |
| BNG/NGB-100*□□□ | DN100 | G4，4" | ≈113mm | ≈110mm | Φ52-Φ82 |
