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

HAM-LET H300U Series 316 Stainless Steel Straight-Body Needle Valve - Stainless Steel Straight-Body Needle Valves
HAM-LETStainless Steel Straight-Body Needle Valves

HAM-LET H300U Series 316 Stainless Steel Straight-Body Needle Valve

The HAM-LET H300U Series Stainless Steel Straight-Body Needle Valve (MPN H-300U-SS-L-R-1/8-RS) is a plumbing needle valve with an inline valve body, constructed from 316 stainless steel and featuring an integral…

SKU 3G-OTH-446383

Also listed as: H300USSLR18RS · H 300U SS L R 1 8 RS · H-300U-SS-L-R-1-8-RS

Brand
HAM-LET
Item
H300U Series 316 Stainless Steel Straight-Body Needle Valve
Category
Stainless Steel Straight-Body Needle Valves
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

HAM-LET
Manufacturer Part Number
H-300U-SS-L-R-1/8-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

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 Stainless Steel Straight-Body Needle Valve (MPN H-300U-SS-L-R-1/8-RS) is a plumbing needle valve with an inline valve body, constructed from 316 stainless steel and featuring an integral bonnet. It is designed for liquid media, utilizes a regulating stem type, and is operated via a plastic knob. The valve offers Let-Lok x Let-Lok connection types and complies with ISO 2006(E) standards.

Frequently Asked Questions

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

The HAM-LET H300U Series needle valve is used for precise flow regulation of liquid media in industrial plumbing systems. Its 316 stainless steel construction and Let-Lok connections make it suitable for high-purity or corrosive fluid handling applications where leak-tight performance is required.

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

The HAM-LET H300U needle valve (MPN H-300U-SS-L-R-1/8-RS) features an inline 316 stainless steel body with an integral bonnet and regulating stem. It has Let-Lok x Let-Lok connections, a plastic knob handle, and complies with ISO 2006(E) standards. It is designed for liquid media.

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 since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and pricing on this valve.

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

To install a HAM-LET Let-Lok needle valve, ensure tubing is clean and squarely cut. Insert the tube into the Let-Lok fitting until it bottoms out, then tighten the nut finger-tight plus one quarter turn with a wrench. Do not overtighten. Always verify the valve is in the closed position before pressurizing the system.

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

Compatible alternatives & equivalents

Cross-referenced by specification & description
This 316 stainless steel straight-body needle valve features an integral bonnet and Let-Lok connections on both sides. The V-stem and plastic knob provide precise flow regulation for liquid media in industrial piping systems. Conforms to ISO 2006(E) standards
HAM-LET
This 316 stainless steel straight-body needle valve features an integral bonnet and Let-Lok connections on both sides. The V-stem and plastic knob provide precise flow regulation for liquid media in industrial piping systems. Conforms to ISO 2006(E) standards
This HAM-LET needle valve features a 316 stainless steel straight body with integral bonnet and Let-Lok connections on both ends. Designed for liquid media, it uses a V-stem and plastic knob for flow regulation. Suitable for precise control in industrial piping systems, it meets ISO 2006(E) standards
HAM-LET
This HAM-LET needle valve features a 316 stainless steel straight body with integral bonnet and Let-Lok connections on both ends. Designed for liquid media, it uses a V-stem and plastic knob for flow regulation. Suitable for precise control in industrial piping systems, it meets ISO 2006(E) standards
This 316 stainless steel straight-body needle valve features an integral bonnet and regulating stem for precise flow control of liquid media. It is equipped with Let-Lok connections on both sides and a metal tee handle. Designed for use in industrial piping systems, it complies with ISO 2006(E) standards
HAM-LET
This 316 stainless steel straight-body needle valve features an integral bonnet and regulating stem for precise flow control of liquid media. It is equipped with Let-Lok connections on both sides and a metal tee handle. Designed for use in industrial piping systems, it complies with ISO 2006(E) standards
316 stainless steel straight-body needle valve with integral bonnet and regulating stem. Features Let-Lok x Let-Lok connections and a plastic knob handle. Designed for liquid media in industrial piping systems requiring precise flow regulation. Complies with ISO 15848-1
HAM-LET
316 stainless steel straight-body needle valve with integral bonnet and regulating stem. Features Let-Lok x Let-Lok connections and a plastic knob handle. Designed for liquid media in industrial piping systems requiring precise flow regulation. Complies with ISO 15848-1
This 316 stainless steel straight-body needle valve features an integral bonnet and V-stem for precise flow control of liquid media. It has Let-Lok connections on both sides and a metal tee handle. Complies with ISO 2006(E). Suitable for industrial liquid-handling systems requiring corrosion resistance
HAM-LET
This 316 stainless steel straight-body needle valve features an integral bonnet and V-stem for precise flow control of liquid media. It has Let-Lok connections on both sides and a metal tee handle. Complies with ISO 2006(E). Suitable for industrial liquid-handling systems requiring corrosion resistance
This HAM-LET H300U series needle valve features a 316 stainless steel straight body with integral bonnet and regulating stem. It has Let-Lok connections on both sides and a metal tee handle. Designed for liquid media, it complies with ISO 2006(E). Typical applications include flow regulation in industrial piping systems
HAM-LET
This HAM-LET H300U series needle valve features a 316 stainless steel straight body with integral bonnet and regulating stem. It has Let-Lok connections on both sides and a metal tee handle. Designed for liquid media, it complies with ISO 2006(E). Typical applications include flow regulation in industrial piping systems

More from HAM-LET

View all HAM-LET parts
This HAM-LET H300U Series needle valve features a 316 stainless steel integral bonnet body with 1/2" FNPT x FNPT connections. It is equipped with a V-stem and a plastic knob handle for precise flow control of liquid media. Complies with ISO 2006(E) standards. Suitable for use in industrial plumbing and instrumentation systems requiring reliable shut-off and regulation
HAM-LET
This HAM-LET H300U Series needle valve features a 316 stainless steel integral bonnet body with 1/2" FNPT x FNPT connections. It is equipped with a V-stem and a plastic knob handle for precise flow control of liquid media. Complies with ISO 2006(E) standards. Suitable for use in industrial plumbing and instrumentation systems requiring reliable shut-off and regulation
This HAM-LET needle valve features a 316 stainless steel straight body with integral bonnet and regulating stem for precise flow control of liquid media. It has MNPT x MNPT connections with male NPT threads on both sides and a plastic knob handle. Complies with ISO 2006(E). Suitable for industrial plumbing and instrumentation systems requiring reliable shut-off and throttling
HAM-LET
This HAM-LET needle valve features a 316 stainless steel straight body with integral bonnet and regulating stem for precise flow control of liquid media. It has MNPT x MNPT connections with male NPT threads on both sides and a plastic knob handle. Complies with ISO 2006(E). Suitable for industrial plumbing and instrumentation systems requiring reliable shut-off and throttling
This HAM-LET H300U series needle valve features a 316 stainless steel straight body with integral bonnet and Let-Lok connections on both ends. It is equipped with a regulating stem and a plastic knob handle for precise flow control of liquid media. The valve complies with ISO 15848-1 standards and is suitable for throttling and shut-off in industrial piping systems
HAM-LET
This HAM-LET H300U series needle valve features a 316 stainless steel straight body with integral bonnet and Let-Lok connections on both ends. It is equipped with a regulating stem and a plastic knob handle for precise flow control of liquid media. The valve complies with ISO 15848-1 standards and is suitable for throttling and shut-off in industrial piping systems
This HAM-LET H300U series needle valve features a 316 stainless steel straight body with integral bonnet and regulating stem for precise flow control of liquid media. Connections are Let-Lok x Let-Lok, and the valve is operated by a plastic knob handle. It complies with ISO 2006(E) standards
HAM-LET
This HAM-LET H300U series needle valve features a 316 stainless steel straight body with integral bonnet and regulating stem for precise flow control of liquid media. Connections are Let-Lok x Let-Lok, and the valve is operated by a plastic knob handle. It complies with ISO 2006(E) standards
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)
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)
This HAM-LET needle valve features a 316 stainless steel straight body with integral bonnet and regulating stem for precise flow control of liquid media. It connects via male NPT on one side and a Let-Lok fitting on the other, with a metal tee handle. Suitable for industrial plumbing and instrumentation systems requiring reliable shut-off and throttling in high-pressure or corrosive environments. Complies with ISO 2006(E) standards
HAM-LET
This HAM-LET needle valve features a 316 stainless steel straight body with integral bonnet and regulating stem for precise flow control of liquid media. It connects via male NPT on one side and a Let-Lok fitting on the other, with a metal tee handle. Suitable for industrial plumbing and instrumentation systems requiring reliable shut-off and throttling in high-pressure or corrosive environments. Complies with ISO 2006(E) standards
This HAM-LET H300U needle valve features a 316 stainless steel straight body with integral bonnet and regulating stem. It has Let-Lok connections on both sides and a metal tee handle. Designed for liquid media, it complies with ISO 2006(E) and is used for precise flow regulation and shut-off in industrial plumbing systems
HAM-LET
This HAM-LET H300U needle valve features a 316 stainless steel straight body with integral bonnet and regulating stem. It has Let-Lok connections on both sides and a metal tee handle. Designed for liquid media, it complies with ISO 2006(E) and is used for precise flow regulation and shut-off in industrial plumbing systems
This HAM-LET needle valve features a 316 stainless steel straight body with integral bonnet and V-stem for precise flow regulation of liquid media. It has a metal tee handle and 1/4" MNPT x FNPT connections, conforming to ISO 2006(E). Suitable for industrial plumbing and instrumentation systems requiring reliable shut-off and throttling
HAM-LET
This HAM-LET needle valve features a 316 stainless steel straight body with integral bonnet and V-stem for precise flow regulation of liquid media. It has a metal tee handle and 1/4" MNPT x FNPT connections, conforming to ISO 2006(E). Suitable for industrial plumbing and instrumentation systems requiring reliable shut-off and throttling