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Parker HNVS4LO - Needle Pattern Hand Valves, Straight and Angle Styles – H Series

Parker's bar stock hand valves designed for isolation and regulation in low flow critical applications. Available in straight (HNV) and angle (HNAV) styles, in pressure ratings up to 6,000 psi (414 bar) and 10,000 psi (689 bar).

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Brand Parker

Part No. HNVS4LO

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Products specifications

Attribute name	Attribute value
Division	Instrumentation Products Division	Orifice Size	4 mm
Flow Coefficient	0.35	For Fluid Type	Hydrogen; alternate fuels for heavy transport
Additional Options	n/a	Maximum Operating Pressure	6000 PSI / 414 BAR
Seal Type	O-ring	Mounting Option	N/A
Specifications Met	N/A	Seal Material	NBR
Inlet Connection Size	6 MM / 1/4 Inch	Options	n/a
Outlet Port Connection Type	O-Lok	Inlet Port Connection Type	O-Lok
Outlet Connection Size	6 MM / 1/4 Inch	Seat Material	Metal to Metal
Flow Direction	Straight	Body Material	316 Stainless Steel
Packing Material	PTFE

Product resources

Literature and Reference Materials

02-0142SE

Autoclave Engineers Technicial/Special Materials Data Catalog (PDF)

Compliance, Certifications & Safety

FE Class C Certificate - HNV Series Needle Valve (PDF)