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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 Stainless Steel Straight-Body Needle Valve (SKU 3G-OTH-446327) is an inline valve body with a V-Stem and plastic knob, designed for liquid media. It features Let-Lok x Let-Lok connections and…

SKU 3G-OTH-446327

Also listed as: H300USSLV38RS · H 300U SS L V 3 8 RS · H-300U-SS-L-V-3-8-RS

Brand
HAM-LET
Item
Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet
Category
Stainless Steel Straight-Body Needle Valves
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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-V-3/8-RS
Type
Integral Bonnet, Let-Lok
Handle
Plastic Knob
For Media
Liquid
Standards
ISO 15848-1
Stem Type
V-Stem
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 H300U Series Stainless Steel Straight-Body Needle Valve (SKU 3G-OTH-446327) is an inline valve body with a V-Stem and plastic knob, designed for liquid media. It features Let-Lok x Let-Lok connections and meets ISO 15848-1 standards. The valve is constructed from 316 stainless steel with an integral bonnet.

Frequently Asked Questions

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

The HAM-LET H300U needle valve is used for precise flow control of liquid media in industrial piping systems. Its 316 stainless steel construction and V-Stem design make it suitable for applications requiring reliable shut-off and regulation, such as in chemical processing, instrumentation, and hydraulic systems.

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

The HAM-LET H300U needle valve features an inline body, integral bonnet, and Let-Lok x Let-Lok connections. It is made of 316 stainless steel, has a V-Stem with a plastic knob, and is designed for liquid media. It meets ISO 15848-1 standards. The manufacturer part number is H-300U-SS-L-V-3/8-RS.

Where to buy HAM-LET H300U needle valves worldwide?

3G Electric supplies the HAM-LET H300U needle valve worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source and deliver genuine HAM-LET components to support your operations.

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

To install a HAM-LET Let-Lok needle valve, ensure the tubing is clean and fully inserted into the fitting. Tighten the nut finger-tight, then use a wrench to tighten an additional 1-1/4 turns for 3/8-inch tubing. Always follow the manufacturer's torque specifications and test for leaks 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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HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, Let-Lok (MPN H-300U-SS-L-V-3/8-M)
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HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, Let-Lok (MPN H-300U-SS-L-V-3/8-M)
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HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, Let-Lok (MPN H-300U-SS-L-V-1/4-RS)
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HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, Let-Lok (MPN H-300U-SS-L-V-1/4-M)
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HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, Let-Lok (MPN H-300U-SS-L-R-3/4-RS)
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, Let-Lok (MPN H-300U-SS-L-R-1/8-RS)
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HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, Let-Lok (MPN H-300U-SS-L-R-1/8-RS)

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