Is the Stainless Steel LET-LOK® H-300 Needle Valve with Inch Connection suitable for temperatures up to +230°C and pressures up to 345 bar?

Yes. The Stainless Steel LET-LOK® H-300 Needle Valve with Inch Connection is suitable for operating temperatures up to +230°C and working pressures up to 345 bar. It is manufactured entirely from AISI 316 stainless steel with PTFE packing, factory tested, and fitted with inch LET-LOK® connections to ensure reliable, leak-free performance under those conditions.

Does the Stainless Steel LET-LOK® H-300 Needle Valve with Inch Connection support panel mounting without disassembling the needle and voiding the warranty?

Yes. The Stainless Steel LET-LOK® H-300 Needle Valve with Inch Connection supports panel mounting without disassembling the needle and voiding the warranty. Its design specifically enables panel installation while preserving the factory warranty, simplifying assembly and maintaining reliable, leak-free performance.

Valve needle with connection inch LET-LOK® steel stainless, type H-300

All products, Precision needle valves/

Additional information

Material	SS – stainless steel

High-pressure valve needle intended for mounting in installation or mounting panel. Characterized compact design o relatively high flow. standard with stem type V (work valve close – open). each valve is factory tested. valve has special design, allowing on assembly panel without the need removal needle, thanks to this not loses warranty the manufacturer. Coupling material: steel AISI 316. Material stem: steel AISI 316. sealing valve: metal/metal (steel AISI 316). sealing gland: PTFE. Operating temperature: up to +230°C. Working pressure: up to 345 bar. Connection: inch LET-LOK®.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
HM-H300-SS-LC-04-VRS	Valve needle H-300, 2 x LL 1/4", SS	4	345	In stock	Enquiry
HM-H300-SS-LC-06-VRS	Valve needle H-300, 2 x LL 3/8", SS	6	345	In stock	Enquiry
HM-H300-SS-LC-08-VRS	Valve needle H-300, 2 x LL 1/2", SS	6	345	In stock	Enquiry

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High-pressure valve needle intended for mounting in installation or mounting panel. Characterized compact design o relatively high flow. standard with stem type V (work valve close – open). each valve is factory tested. valve has special design, allowing on assembly panel without the need removal needle, thanks to this not loses warranty the manufacturer. Coupling material: steel AISI 316. Material stem: steel AISI 316. sealing valve: metal/metal (steel AISI 316). sealing gland: PTFE. Operating temperature: up to +230°C. Working pressure: up to 345 bar. Connection: inch LET-LOK®.