Palmer Needle Valves offer economical, quality solutions for the most demanding applications.
Material: Needle Valves come in Brass, 316SS, and Carbon Steel.
Bonnet: Screwed Bonnet type.
Stem: Externally adjustable, wear compensating, virgin PTFE stem packing offers long trouble free service life in most liquid or gas applications.
Connections: Valves are available with 1/4″ NPT connections in either male or female. See the Model Number Table at right.
Operating Limitations:
Brass: 3000 PSI (207 bar) @100°F (38°C)
316 SS: 5000 PSI (345 bar) @100°F (38°C)
Carbon Steel: 6000 PSI (413 bar) @200°F (93°C)
Flow Coefficient:
Globe and Angle (.187″ Orifice): 0.40 Cv
Block (.312″ Orifice): 0.90 Cv
Temperature Rating: Kel-F Stem Tip Stem: -65 to 200°F (-54 to 93°C)
Needle Valve Model Numbers | Needle Valve Dimensions | |||||||
Material | Seat | Connection | Style | Model# | A | C | H | L |
Brass | Hard | 1/4″ NPT | FF | NHQ-FFB | 0.980″ | 1.935″ | 2.115″ | 1.625″ |
1/4″ NPT | MF | NHQ-MFB | ||||||
Carbon Steel | Soft | 1/4″ NPT | FF | NSQ-FFC | 0.980″ | 1.730″ | 1.925″ | 1.875″ |
1/4″ NPT | MF | NSQ-MFC | ||||||
316SS | Soft | 1/4″ NPT | FF | NSQ-FFS | 1.015″ | 1.790″ | 1.965″ | 1.875″ |
1/4″ NPT | MF | NSQ-MFS |
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