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

Brass, Hard Seat, 1/4″ NPT Female-Female Needle Valve

หมวดหมู่: Needle Valves for use with Pressure Gauges

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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