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 designed for liquid media. It features a regulating stem, metal tee handle, and integral bonnet, with MNPT x MNPT…

SKU 3G-OTH-446359

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-R-1/2-M
Type
Integral Bonnet, MNPT x MNPT
Handle
Metal Tee
For Media
Liquid
Standards
ISO 15848-1
Stem Type
Regulating
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 designed for liquid media. It features a regulating stem, metal tee handle, and integral bonnet, with MNPT x MNPT connections (both sides male NPT). This valve complies with ISO 15848-1 standards.

Frequently Asked Questions

What is a HAM-LET H300U inline needle valve used for?

The HAM-LET H300U inline needle valve is used for precise flow regulation of liquid media in industrial piping systems. Its 316 stainless steel body and regulating stem make it suitable for applications requiring fine control, such as instrumentation, sampling, and hydraulic circuits.

What are the specifications of the HAM-LET H300U needle valve?

The HAM-LET H300U needle valve features a 316 stainless steel inline body, integral bonnet, regulating stem, and metal tee handle. It has MNPT x MNPT connections (both sides male NPT) and complies with ISO 15848-1 standards. The MPN is H-380U-SS-N-R-1/2-M.

Where to buy HAM-LET H300U needle valves worldwide?

3G Electric supplies HAM-LET H300U needle valves worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your site. Contact us for a quote on the H-380U-SS-N-R-1/2-M or other HAM-LET valve configurations.

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 recommended torque. Ensure the valve is fully open during installation to avoid seat damage. After installation, cycle the regulating stem slowly to verify smooth operation and leak-free performance.

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