PURPOSE AND SCOPE OF APPLICATION
Explosion-proof nipples series NVN are applied for the connection of the equipment and conduit elements of the same diameter. Explosion-proof nipples series NVN help to solve the most difficult problems that occur in the process of installation of pipe conduit.
Scope of application - hazardous indoor and outdoor areas in accordance with explosion protection marking - category II for gas subgroup IIA, IIB, IIC, zones 1, 2, Category I for firedamp and dust РВ, РП, 1, 2, areas non-hazardous with dust and gas.
Marking:
1Ex db IIC Gb 1Ex e IIC Gb 2Ex nR IIC Gc Ex tb IIIC Db Ex db IIC Gb U Ex e IIC Gb U Ex nR IIC Gc U Ex tb IIIC Db U РВ Ex db I Mb РП Ex e I Mc Ex db I Mb U Ex e I Mc U
| Dimension type |
Thread | Overall dimensions, mm |
Diameter of the entry, d mm | Weight *, kg | ||
| АС | ØM | С | ||||
| NVN02M | M12 x 1,5 | 17 | 19 | 41 | 7 | 0.01 |
| NVN01M | M16 x 1,5 | 24 | 26.8 | 41 | 10 | 0.01 |
| NVN1M | M20 x 1,5 | 27 | 30,2 | 42 | 14 | 0,06 |
| NVN2M | M25 x 1,5 | 32 | 35,8 | 42 | 20 | 0,07 |
| NVN3M | M32 x 1,5 | 40 | 44,8 | 42 | 25 | 0,12 |
| NVN4M | M40 x 1,5 | 46 | 49 | 44 | 33 | 0,15 |
| NVN5M | M50 x 1,5 | 60 | 67,2 | 44 | 40 | 0,3 |
| NVN6M | M63 x 1,5 | 70 | 78,4 | 46 | 52 | 0,41 |
| NVN7M | M75 x 1,5 | 85 | 93,7 | 46 | 62 | 0,61 |
| NVN8M | M90 x 1,5 | 100 | 108,3 | 46 | 78 | 0,7 |
* - for nickel-plated brass
| NVN | X | X | X | / | Х | – TU 3400-007-72453807-07 | |||
| Type of the element |
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| Dimension type |
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| Thread type: taper inch NPT - N; metric GOST 24705 - M; Pipe cylindrical GOST 6357-81 - G |
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| Material: nickel-plated brass - NK; stainless steel - N; galvanized steel - О | |||||||||
| Options, accessories and versions |
EXAMPLE: NVN3MN-TU 3400-007-72453807-07
