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Home > Pressure Gauges > Pressure Gauges > Needle Valves for use with Pressure Gauges > Brass, Hard Seat, 1/4" NPT Female-Female Needle Valve

Brass, Hard Seat, 1/4" NPT Female-Female Needle Valve
Model Number NHQ-FFB

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Product Description :
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) @100F (38C)
316 SS: 5000 PSI (345 bar) @100F (38C)
Carbon Steel: 6000 PSI (413 bar) @200F (93C)

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 200F (-54 to 93C)

Needle Valve Model NumbersNeedle 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

Brass, Hard Seat, 1/4
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Asheville, NC 28804
828-658-3131    800-421-2853

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