HAM-LETStainless Steel Straight-Body Needle Valves

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

SKU 3G-OTH-446372

Also listed as: H300USSLR12MMRS · H 300U SS L R 12MM RS

Brand

HAM-LET

Item

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

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

HAM-LET

Manufacturer Part Number

H-300U-SS-L-R-12MM-RS 

Type

Integral Bonnet, Let-Lok 

Handle

Plastic Knob 

For Media

Liquid 

Standards

ISO 2006(E) 

Stem Type

Regulating 

Valve Series

H300U 

Connection Type

Let-Lok x Let-Lok 

Stainless Steel

316

Connection Type - Side 1

Let-Lok 

Connection Type - Side 2

Let-Lok 

Technical Documents

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HAM-LET Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HAM-LET Plumbing Needle Valve (SKU 3G-OTH-446372) is a stainless steel straight-body needle valve from the H300U series, featuring an integral bonnet and a regulating stem. It is designed for liquid media and connects via Let-Lok x Let-Lok fittings, with a plastic knob handle. This inline valve body complies with ISO 2006(E) standards.

Frequently Asked Questions

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

The HAM-LET H300U needle valve is used for precise flow regulation of liquid media in industrial plumbing and instrumentation systems. Its 316 stainless steel body and integral bonnet provide corrosion resistance and leak-tight performance in demanding environments.

What are the specifications of the HAM-LET H-300U-SS-L-R-12MM-RS?

This HAM-LET needle valve is a 316 stainless steel inline valve with a regulating stem, integral bonnet, and plastic knob handle. It features Let-Lok x Let-Lok connections, complies with ISO 2006(E) standards, and is designed for liquid media.

Where to buy HAM-LET needle valves worldwide?

3G Electric supplies HAM-LET H300U needle valves worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine HAM-LET components to your facility, regardless of location.

How to install a HAM-LET Let-Lok needle valve?

Install the HAM-LET Let-Lok needle valve by ensuring tube ends are clean and square. Insert the tube fully into the Let-Lok fitting, then tighten the nut finger-tight plus the recommended turns per HAM-LET guidelines. Always pressure-test the system after 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.

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