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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 Inline Valve Body is a stainless steel straight-body needle valve with a V-stem and plastic knob handle, designed for liquid media. It features FNPT x FNPT connections (3/4" NPT female on…

SKU 3G-OTH-446296

Also listed as: H310USSNV34RS · H 310U SS N V 3 4 RS · H-310U-SS-N-V-3-4-RS

Brand
HAM-LET
Item
H300U Series 316 Stainless Steel Straight-Body Needle Valve
Part Number
H-310U-SS-N-V-3/4-RS
Category
Stainless Steel Straight-Body Needle Valves
Available to Order
Also known as:H-310U-SS-N-V-3/4-RSHAM-LET
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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-310U-SS-N-V-3/4-RS
Type
Integral Bonnet, FNPT x FNPT
Handle
Plastic Knob
For Media
Liquid
Standards
ISO 15848-1
Stem Type
V-Stem
Valve Series
H300U
Connection Type
FNPT x FNPT
Stainless Steel
316
Connection Type - Side 1
NPT
Connection Type - Side 2
NPT
Connection Gender - Side 1
Female
Connection Gender - Side 2
Female

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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 stainless steel straight-body needle valve with a V-stem and plastic knob handle, designed for liquid media. It features FNPT x FNPT connections (3/4" NPT female on both sides) and an integral bonnet, complying 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 V-stem design provide reliable shut-off and throttling in applications requiring leak-tight performance to ISO 15848-1.

What are the specifications of the HAM-LET H-310U-SS-N-V-3/4-RS needle valve?

This HAM-LET needle valve has a 316 stainless steel inline body with integral bonnet, FNPT x FNPT connections (3/4" NPT female both sides), V-stem, and plastic knob handle. It is rated for liquid media and complies with ISO 15848-1 fugitive emission standards.

Where to buy HAM-LET needle valves worldwide?

3G Electric supplies HAM-LET H300U series 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-310U-SS-N-V-3/4-RS or other HAM-LET valve configurations.

How to install a HAM-LET integral bonnet needle valve?

Install the HAM-LET H300U needle valve with pipe threads sealed using appropriate thread sealant. Ensure the valve is fully open during installation to avoid seat damage. Tighten to recommended torque for 3/4" NPT connections. After installation, cycle the valve fully to verify smooth operation.

Used in

Common applications for HAM-LET
Oil and gas — HAM-LET high-pressure needle valves and single-valve manifolds for wellhead control panels and sampling systems.
Chemical processing — Let-Lok double-ferrule fittings in 316L stainless steel for corrosive fluid transfer lines and dosing skids.
Semiconductor fabrication — HAM-LET diaphragm valves and high-purity fittings for ultrapure water and specialty gas delivery.
Analytical instrumentation — HAM-LET metering valves and compression fittings for GC, HPLC, and mass spectrometry sample handling.
Power generation — HAM-LET ball valves and manifolds for steam and water sampling in boiler and turbine systems.
Research laboratories — HAM-LET needle valves and tube adapters for bench-scale gas and liquid flow control rigs.
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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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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
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