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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 Inline Valve Body is a 316 stainless steel straight-body needle valve with a regulating stem and plastic knob, designed for liquid media. It features Let-Lok x Let-Lok connections and an…

SKU 3G-OTH-446325

Also listed as: H300USSLR34RS · H 300U SS L R 3 4 RS · H-300U-SS-L-R-3-4-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-R-3/4-RS
Type
Integral Bonnet, Let-Lok
Handle
Plastic Knob
For Media
Liquid
Standards
ISO 15848-1
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 H300U Series Inline Valve Body is a 316 stainless steel straight-body needle valve with a regulating stem and plastic knob, designed for liquid media. It features Let-Lok x Let-Lok connections and an integral bonnet, complying with ISO 15848-1 standards.

Frequently Asked Questions

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

The HAM-LET H300U inline needle valve precisely regulates liquid flow in industrial piping systems. Its 316 stainless steel body and regulating stem provide fine control, making it suitable for instrumentation, sampling, and process lines where reliable shut-off and throttling are required.

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

The HAM-LET H300U is a 316 stainless steel straight-body needle valve with Let-Lok x Let-Lok connections, an integral bonnet, and a plastic knob handle. It features a regulating stem, complies with ISO 15848-1 standards, and is designed for liquid media. The MPN is H-300U-SS-L-R-3/4-RS.

Where to buy HAM-LET H300U needle valves worldwide?

3G Electric supplies the HAM-LET H300U needle valve worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote on the H-300U-SS-L-R-3/4-RS or other HAM-LET valve configurations.

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

Install the HAM-LET H300U by ensuring Let-Lok connections are clean and properly aligned. Tighten the nut to the manufacturer's recommended torque for leak-free sealing. Avoid over-tightening the regulating stem. Always follow standard piping practices and verify media compatibility before 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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Cross-referenced by specification & description
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, Let-Lok (MPN H-300U-SS-L-R-3MM-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-3MM-M)
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, Let-Lok (MPN H-300U-SS-L-R-3/4-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-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-18MM-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-RS)
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, Let-Lok (MPN H-300U-SS-L-V-3/8-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-V-3/8-RS)

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