
This document details specifications for RCCN conduit fittings designed for use with RCCN MCR metal hoses. The fittings include two main types: NBF internal threaded metal hose fittings and NBE locking metal hose fittings.
The fittings conform to specific thread standards with detailed dimensions provided for each model. Key parameters include thread length (L1), thread outer diameter (D1), and joint length (L2+L3).
| Item No. | Thread (G) | Metric Size (mm) | Imperial Size | Thread Length (L1, mm) | Thread O.D. (D1, mm) | Joint Length (L2+L3, mm) | Packing (pcs) |
|---|---|---|---|---|---|---|---|
| NBF-04G | G3/8" | 13 | 3/8" | 16.5 | 8 | 18 | 100 |
| NBF-05G | G1/2" | 16 | 1/2" | 21.3 | 11 | 23 | 100 |
| NBF-06G | G3/4" | 20 | 3/4" | 26.6 | 14 | 22 | 50 |
| NBF-08G | G1" | 25 | 1" | 33.4 | 15 | 28 | 50 |
| NBF-10G | G1 1/4" | 32 | 1 1/4" | 42.1 | 15 | 30 | 25 |
| NBF-12G | G1 1/2" | 38 | 1 1/2" | 47.8 | 16 | 32 | 25 |
| NBF-16G | G2" | 51 | 2" | 59.6 | 18 | 34 | 10 |
| NBF-20G | G2 1/2" | 64 | 2 1/2" | 75.1 | 22 | 38 | 10 |
| NBF-24G | G3" | 80 | 3" | 87.8 | 22 | 46 | 5 |
| NBF-32G | G4" | 100 | 4" | 113 | 24 | 50 | 5 |
| Item No. | Compatible Hose | Metric Size (mm) | Imperial Size | Thread Length (C, mm) | Ferrule (D, mm) | Ring (E, mm) | Sealing Nut (F, mm) | Additional Lengths (L2, mm) |
|---|---|---|---|---|---|---|---|---|
| NBE-04G | MCR-04 | 13 | 3/8" | 17.00 | 2.25 | 15 | 5/8" | 15.87 |
| NBE-05G | MCR-05 | 16 | 1/2" | 21.25 | 2.75 | 20 | 3/4" | 19.05 |
| NBE-06G | MCR-06 | 20 | 3/4" | 26.75 | 2.75 | 25 | 3/4" | 25.40 |
| NBE-08G | MCR-08 | 25 | 1" | 33.50 | 3.25 | 32 | 3/4" | 31.75 |
| NBE-10G | MCR-10 | 32 | 1 1/4" | 42.25 | 3.25 | 40 | 1 1/2" | 38.10 |
| NBE-12G | MCR-12 | 38 | 1 1/2" | 48.00 | 3.50 | 50 | 2" | 50.80 |
| NBE-16G | MCR-16 | 51 | 2" | 60.00 | 3.50 | 70 | 2 1/2" | 63.50 |
| NBE-20G | MCR-20 | 64 | 2 1/2" | 75.50 | 3.75 | 80 | 3" | 76.20 |
| NBE-24G | MCR-24 | 80 | 3" | 88.50 | 4.00 | |||
| NBE-32G | MCR-32 | 100 | 4" | 114.0 | 4.00 |
The document also references steel pipe specifications for thick and thin steel pipes used in water, coal gas, and electrical conduits, including nominal sizes, outer diameters, and wall thicknesses, though detailed data is not fully provided.
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