| Material | 1.Carbon steel 2.Stainless steel |
| British Standard | Threads:BS21 |
| DIN Standard | Threads:DIN2999 |
| American Standard | Threads:ASTM A865, ASTM A733 |
| Hydraulic Test | Test Pressure: Max2.5MPa |
| Working Pressure: Max2.5MPa | |
| Model | Thread both end nipple, thread one end nipple, close/full nipple |
| Surface | 1.Galvanized 2.Electro galvanised 3.normal black 4.sand blasting |
| Size | OD:1/8''-6'' |
| WT: SCH20, SCH40, SCH60, SCH80, SC100, SCH120, SCH160, STD, xs, xxs, CLASS A, CLASS B, CLASS C etc | |
| Length: Standard or Special | |
| Series | Heavy series, Standard series, Mediun series, Light series |
| Connection | Male |
| Shape | Equal |
| Certificate | ISO, BV |
| Customers' drawing or designs are available. | |