An instrument Needle Valve uses a tapered pin to gradually open a space for fine control of flow. The flow can be controlled and regulated with the use of a spindle. A Needle Valve has a relatively small orifice with a long, tapered seat, and a needle-shaped plunger on the end of a screw, which exactly fits the seat.
| Sizes | DN6 to DN50 (NPS 1/4 to NPS 2) |
| Pressure Rating | Class 150, 300, 600 & 800 |
| Material Construction | Carbon Steel, Stainless Steel – SS304, SS316, SS304L, SS316L, etc. Duplex Stainless Steel – SS2205, etc. |
| Testing Standard | API 598 |
| End Connection Type | screwed Ends, Socket Weld Ends etc. |
| Operated Type | Hand Wheel Operated |
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