Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet - Stainless Steel Straight-Body Needle Valves
HAM-LETStainless Steel Straight-Body Needle Valves

HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet

The HAM-LET H300U Series Inline Valve Body is a 316 stainless steel straight-body needle valve with a V-Stem and plastic knob handle, designed for liquid media. It features MNPT x MNPT connections (1/8" NPT male on…

SKU 3G-OTH-446354

Brand
HAM-LET
Item
Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet
Category
Stainless Steel Straight-Body Needle Valves
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

HAM-LET
Manufacturer Part Number
H-380U-SS-N-V-1/8-RS
Type
Integral Bonnet, MNPT x MNPT
Handle
Plastic Knob
For Media
Liquid
Standards
ISO 15848-1
Stem Type
V-Stem
Valve Series
H300U
Connection Type
MNPT x MNPT
Stainless Steel
316
Connection Type - Side 1
NPT
Connection Type - Side 2
NPT
Connection Gender - Side 1
Male
Connection Gender - Side 2
Male
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

HAM-LET Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HAM-LET H300U Series Inline Valve Body is a 316 stainless steel straight-body needle valve with a V-Stem and plastic knob handle, designed for liquid media. It features MNPT x MNPT connections (1/8" NPT male on both sides) and an integral bonnet, complying with ISO 15848-1 standards.

Frequently Asked Questions

What is the HAM-LET H300U needle valve used for?

The HAM-LET H300U Series inline needle valve is designed for precise flow control of liquid media in industrial piping systems. Its 316 stainless steel body and V-Stem make it suitable for high-purity and corrosive fluid applications, including chemical processing, oil and gas, and instrumentation.

What are the specifications of the HAM-LET H-380U-SS-N-V-1/8-RS needle valve?

This HAM-LET needle valve has a 316 stainless steel inline body with MNPT x MNPT connections (1/8" NPT male on both sides), an integral bonnet, and a V-Stem with plastic knob handle. It is rated for liquid media and complies with ISO 15848-1 standards. The valve series is H300U.

Where to buy HAM-LET H300U needle valves worldwide?

3G Electric supplies HAM-LET H300U Series needle valves worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on the H-380U-SS-N-V-1/8-RS model.

How to install a HAM-LET integral bonnet needle valve?

Install the HAM-LET H300U needle valve by applying thread sealant to the male NPT ends and tightening to the mating female ports. Avoid over-torquing the body. Use the plastic knob to open the V-Stem slowly for flow control. Always follow ISO 15848-1 fugitive emission guidelines during installation.

Used in

Common applications for HAM-LET
Oil and gas — HAM-LET H99 Series needle valves for instrument isolation in high-pressure lines
Chemical processing — HAM-LET H-400 Series check valves for backflow prevention in corrosive fluid systems
Semiconductor manufacturing — HAM-LET EVZS4R-BV diaphragm valves for ultra-high-purity gas distribution
Power generation — HAM-LET H-6800 Series three-way ball valves for cooling water flow switching
Analytical instrumentation — HAM-LET H300U Series metering valves for precise flow regulation in lab gas systems
Hydraulic systems — HAM-LET H-410 Series poppet check valves for load-holding in hydraulic circuits

HAM-LET Products

3G Electric supplies HAM-LET stainless steel straight-body needle valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, MNPT x MNPT (MPN H-380U-SS-N-V-1/8-M). Key specifications — For Media: Liquid; Standards: ISO 15848-1; Brand: HAM-LET; Valve Series: H300U; Stem Type: V-Stem; Connection Gender - Side 2: Male; Connection Gender - Side 1: Male; Connection Type - Side 1: NPT.
HAM-LET
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, MNPT x MNPT (MPN H-380U-SS-N-V-1/8-M). Key specifications — For Media: Liquid; Standards: ISO 15848-1; Brand: HAM-LET; Valve Series: H300U; Stem Type: V-Stem; Connection Gender - Side 2: Male; Connection Gender - Side 1: Male; Connection Type - Side 1: NPT.
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, MNPT x MNPT (MPN H-380U-SS-N-V-1/4-M). Key specifications — For Media: Liquid; Standards: ISO 15848-1; Brand: HAM-LET; Valve Series: H300U; Stem Type: V-Stem; Connection Gender - Side 2: Male; Connection Gender - Side 1: Male; Connection Type - Side 1: NPT.
HAM-LET
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, MNPT x MNPT (MPN H-380U-SS-N-V-1/4-M). Key specifications — For Media: Liquid; Standards: ISO 15848-1; Brand: HAM-LET; Valve Series: H300U; Stem Type: V-Stem; Connection Gender - Side 2: Male; Connection Gender - Side 1: Male; Connection Type - Side 1: NPT.
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, MNPT x MNPT (MPN H-380U-SS-N-R-1/4-M). Key specifications — For Media: Liquid; Standards: ISO 2006(E); Brand: HAM-LET; Valve Series: H300U; Stem Type: Regulating; Connection Gender - Side 2: Male; Connection Gender - Side 1: Male; Connection Type - Side 1: NPT.
HAM-LET
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, MNPT x MNPT (MPN H-380U-SS-N-R-1/4-M). Key specifications — For Media: Liquid; Standards: ISO 2006(E); Brand: HAM-LET; Valve Series: H300U; Stem Type: Regulating; Connection Gender - Side 2: Male; Connection Gender - Side 1: Male; Connection Type - Side 1: NPT.
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, MNPT x MNPT (MPN H-380U-SS-N-R-1/2-RS). Key specifications — For Media: Liquid; Standards: ISO 15848-1; Brand: HAM-LET; Valve Series: H300U; Stem Type: Regulating; Connection Gender - Side 2: Male; Connection Gender - Side 1: Male; Connection Type - Side 1: NPT.
HAM-LET
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, MNPT x MNPT (MPN H-380U-SS-N-R-1/2-RS). Key specifications — For Media: Liquid; Standards: ISO 15848-1; Brand: HAM-LET; Valve Series: H300U; Stem Type: Regulating; Connection Gender - Side 2: Male; Connection Gender - Side 1: Male; Connection Type - Side 1: NPT.
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, MNPT x MNPT (MPN H-380U-SS-N-R-3/8-M). Key specifications — For Media: Liquid; Standards: ISO 2006(E); Brand: HAM-LET; Valve Series: H300U; Stem Type: Regulating; Connection Gender - Side 2: Male; Connection Gender - Side 1: Male; Connection Type - Side 1: NPT.
HAM-LET
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, MNPT x MNPT (MPN H-380U-SS-N-R-3/8-M). Key specifications — For Media: Liquid; Standards: ISO 2006(E); Brand: HAM-LET; Valve Series: H300U; Stem Type: Regulating; Connection Gender - Side 2: Male; Connection Gender - Side 1: Male; Connection Type - Side 1: NPT.
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, MNPT x MNPT (MPN H-380U-SS-N-R-1/8-M). Key specifications — For Media: Liquid; Standards: ISO 2006(E); Brand: HAM-LET; Valve Series: H300U; Stem Type: Regulating; Connection Gender - Side 2: Male; Connection Gender - Side 1: Male; Connection Type - Side 1: NPT.
HAM-LET
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, MNPT x MNPT (MPN H-380U-SS-N-R-1/8-M). Key specifications — For Media: Liquid; Standards: ISO 2006(E); Brand: HAM-LET; Valve Series: H300U; Stem Type: Regulating; Connection Gender - Side 2: Male; Connection Gender - Side 1: Male; Connection Type - Side 1: NPT.

More from HAM-LET

View all HAM-LET parts →
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, FNPT x FNPT (MPN H-310U-SS-N-V-1/2-RS). Key specifications — For Media: Liquid; Standards: ISO 2006(E); Brand: HAM-LET; Valve Series: H300U; Stem Type: V-Stem; Connection Gender - Side 2: Female; Connection Gender - Side 1: Female; Connection Type - Side 1: NPT.
HAM-LET
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, FNPT x FNPT (MPN H-310U-SS-N-V-1/2-RS). Key specifications — For Media: Liquid; Standards: ISO 2006(E); Brand: HAM-LET; Valve Series: H300U; Stem Type: V-Stem; Connection Gender - Side 2: Female; Connection Gender - Side 1: Female; Connection Type - Side 1: NPT.
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, MNPT x MNPT (MPN H-380U-SS-N-R-1/8-RS). Key specifications — For Media: Liquid; Standards: ISO 2006(E); Brand: HAM-LET; Valve Series: H300U; Stem Type: Regulating; Connection Gender - Side 2: Male; Connection Gender - Side 1: Male; Connection Type - Side 1: NPT.
HAM-LET
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, MNPT x MNPT (MPN H-380U-SS-N-R-1/8-RS). Key specifications — For Media: Liquid; Standards: ISO 2006(E); Brand: HAM-LET; Valve Series: H300U; Stem Type: Regulating; Connection Gender - Side 2: Male; Connection Gender - Side 1: Male; Connection Type - Side 1: NPT.
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, Let-Lok (MPN H-300U-SS-L-R-3/4-RS). Key specifications — For Media: Liquid; Standards: ISO 15848-1; Brand: HAM-LET; Valve Series: H300U; Stem Type: Regulating; Connection Type - Side 1: Let-Lok; Connection Type - Side 2: Let-Lok; Connection Type: Let-Lok x Let-Lok.
HAM-LET
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, Let-Lok (MPN H-300U-SS-L-R-3/4-RS). Key specifications — For Media: Liquid; Standards: ISO 15848-1; Brand: HAM-LET; Valve Series: H300U; Stem Type: Regulating; Connection Type - Side 1: Let-Lok; Connection Type - Side 2: Let-Lok; Connection Type: Let-Lok x Let-Lok.
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, Let-Lok (MPN H-300U-SS-L-R-12MM-RS). Key specifications — For Media: Liquid; Standards: ISO 2006(E); Brand: HAM-LET; Valve Series: H300U; Stem Type: Regulating; Connection Type - Side 1: Let-Lok; Connection Type - Side 2: Let-Lok; Connection Type: Let-Lok x Let-Lok.
HAM-LET
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, Let-Lok (MPN H-300U-SS-L-R-12MM-RS). Key specifications — For Media: Liquid; Standards: ISO 2006(E); Brand: HAM-LET; Valve Series: H300U; Stem Type: Regulating; Connection Type - Side 1: Let-Lok; Connection Type - Side 2: Let-Lok; Connection Type: Let-Lok x Let-Lok.
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, FNPT x FNPT (MPN H-310U-SS-N-V-1/4-M). Key specifications — For Media: Liquid; Standards: ISO 15848-1; Brand: HAM-LET; Valve Series: H300U; Stem Type: V-Stem; Connection Gender - Side 2: Female; Connection Gender - Side 1: Female; Connection Type - Side 1: NPT.
HAM-LET
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, FNPT x FNPT (MPN H-310U-SS-N-V-1/4-M). Key specifications — For Media: Liquid; Standards: ISO 15848-1; Brand: HAM-LET; Valve Series: H300U; Stem Type: V-Stem; Connection Gender - Side 2: Female; Connection Gender - Side 1: Female; Connection Type - Side 1: NPT.
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, Male, NPT (MPN H-395U-SS-NL-R-1/8-M). Key specifications — For Media: Liquid; Standards: ISO 2006(E); Brand: HAM-LET; Valve Series: H300U; Stem Type: Regulating; Connection Gender - Side 1: Male; Connection Type - Side 1: NPT; Connection Type - Side 2: Let-Lok.
HAM-LET
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, Male, NPT (MPN H-395U-SS-NL-R-1/8-M). Key specifications — For Media: Liquid; Standards: ISO 2006(E); Brand: HAM-LET; Valve Series: H300U; Stem Type: Regulating; Connection Gender - Side 1: Male; Connection Type - Side 1: NPT; Connection Type - Side 2: Let-Lok.
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, Let-Lok (MPN H-300U-SS-L-R-10MM-M). Key specifications — For Media: Liquid; Standards: ISO 2006(E); Brand: HAM-LET; Valve Series: H300U; Stem Type: Regulating; Connection Type - Side 1: Let-Lok; Connection Type - Side 2: Let-Lok; Connection Type: Let-Lok x Let-Lok.
HAM-LET
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, Let-Lok (MPN H-300U-SS-L-R-10MM-M). Key specifications — For Media: Liquid; Standards: ISO 2006(E); Brand: HAM-LET; Valve Series: H300U; Stem Type: Regulating; Connection Type - Side 1: Let-Lok; Connection Type - Side 2: Let-Lok; Connection Type: Let-Lok x Let-Lok.
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, MNPT x FNPT (MPN H-385U-SS-N-V-1/4-M). Key specifications — For Media: Liquid; Standards: ISO 2006(E); Brand: HAM-LET; Valve Series: H300U; Stem Type: V-Stem; Connection Gender - Side 2: Female; Connection Gender - Side 1: Male; Connection Type - Side 1: NPT.
HAM-LET
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, MNPT x FNPT (MPN H-385U-SS-N-V-1/4-M). Key specifications — For Media: Liquid; Standards: ISO 2006(E); Brand: HAM-LET; Valve Series: H300U; Stem Type: V-Stem; Connection Gender - Side 2: Female; Connection Gender - Side 1: Male; Connection Type - Side 1: NPT.