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HAM-LET

HAM-LET is an industrial valve and fitting manufacturer founded in Israel in 1950. The company produces instrumentation-grade fluid and gas handling components, with core product families including needle valves, ball valves, check valves, metering valves, manifolds, filters, and double-ferrule compression tube fittings. HAM-LET products are used in analytical instrumentation, hydraulic and pneumatic systems, chemical processing, oil and gas, semiconductor fabrication, and research laboratory environments. The company's manufacturing operations include facilities in Israel, the United States, and China, and its products are distributed through a global network of authorized channel partners.

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About HAM-LET

HAM-LET is an industrial valve and fitting manufacturer founded in Israel in 1950. The company produces instrumentation-grade fluid and gas handling components, with core product families including needle valves, ball valves, check valves, metering valves, manifolds, filters, and double-ferrule compression tube fittings. HAM-LET products are used in analytical instrumentation, hydraulic and pneumatic systems, chemical processing, oil and gas, semiconductor fabrication, and research laboratory environments. The company's manufacturing operations include facilities in Israel, the United States, and China, and its products are distributed through a global network of authorized channel partners.

3G Electric supplies HAM-LET components to industrial buyers worldwide, with a catalog that includes 539 SKUs across the brand's major product lines. The range covers needle valves, ball valves, check valves, single- and multi-valve manifolds, double-ferrule compression fittings, tube adapters, elbows, unions, tees, crosses, and replacement parts such as anti-tamper keys and valve stems. Many HAM-LET products are available in 316 and 316L stainless steel, with additional material options including brass, alloy 400, alloy C-276, and titanium for specific product families. Pressure ratings vary by series and configuration, with high-pressure manifold and valve options rated to 10,000 psi and above. Connections include NPT, BSPP, BSPT, and metric tube ends, with tube sizes ranging from 1/16 in to 1 in and 2 mm to 25 mm. The Let-Lok double-ferrule fitting series is interchangeable with other major double-ferrule systems, which allows plant engineers to specify HAM-LET components in existing instrumentation installations without changing tube preparation or tooling.

For technical buyers, HAM-LET's product documentation provides material certificates, pressure-temperature ratings, and dimensional drawings that support specification and procurement workflows. The company's quality management system is certified to ISO 9001, and its products are tested to applicable industry standards including ASME B31.3, ASME B31.1, and ISO 8434-1 for tube fittings. HAM-LET valves and fittings are available with a range of handle styles, panel-mount configurations, and end connections to suit specific installation requirements. 3G Electric supports the line with global logistics, consolidated shipping from multiple warehouse locations, and access to the full HAM-LET catalog for quote requests. Buyers can source individual replacement parts or complete fluid system assemblies, with product data including manufacturer part numbers, material specifications, and pressure ratings provided for each SKU.

Common Applications

  • 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.

Frequently asked questions

Common questions about HAM-LET from 3G Electric.

What is the pressure rating of HAM-LET single-valve manifolds?

HAM-LET single-valve manifolds, such as the M-01-4N-SS series, are rated to 10,000 psi (690 bar) for compatible configurations. The rating depends on the specific model, body material, and end connection. The M-01-4N-SS features a 1/4 in MNPT inlet and a 3 mm drain hole, constructed from 316L stainless steel. For applications above 10,000 psi, HAM-LET offers high-pressure needle valves and manifolds in additional series. Always verify the pressure-temperature rating for the exact model and operating conditions before installation.

Are HAM-LET Let-Lok fittings interchangeable with other double-ferrule fittings?

HAM-LET Let-Lok double-ferrule fittings are designed to be interchangeable with other major double-ferrule compression fitting systems, including Swagelok. This means the tube preparation, ferrule set, and installation procedure follow the same two-ferrule mechanical grip principle. Interchangeability applies to the fitting interface and tube connection, not to mixing components from different manufacturers within a single connection. For critical applications, specify HAM-LET ferrules and nuts together with HAM-LET bodies to maintain the intended performance and warranty coverage.

What materials are HAM-LET needle valves and fittings available in?

HAM-LET needle valves and compression fittings are commonly supplied in 316 and 316L stainless steel. Additional material options include brass, alloy 400 (Monel), alloy C-276 (Hastelloy), alloy 625, titanium, and various fluoropolymer seals and seats. Material availability varies by product family and size. For corrosive or high-purity applications, specify the required material and seal combination when requesting a quote. 3G Electric lists material specifications for each SKU in the product data.

What is the HAM-LET anti-tamper key used for?

The HAM-LET anti-tamper key, such as part number M-06-KEY-5MM-SS, is a stainless steel accessory used to operate or secure compatible HAM-LET valves. It prevents unauthorized adjustment of valve settings in industrial fluid and gas systems. The key is compatible with specific valve models, including the M-20M-80-8N-SS-V-LDI-KEY. It is typically used in applications where valve settings must remain fixed, such as sampling systems, analytical instrumentation, and process control loops. The key is a replacement part and should be matched to the valve model number for correct fit.

What tube sizes and end connections are available in HAM-LET compression fittings?

HAM-LET double-ferrule compression fittings are available for tube outer diameters from 1/16 in to 1 in and 2 mm to 25 mm. End connections include tube x tube, tube x MNPT, tube x FNPT, tube x MBSPP, tube x FBSPP, and tube x SAE threads. Configurations include straight unions, bulkhead adapters, 90-degree elbows, 45-degree elbows, tees, crosses, and reducers. Hex sizes and body dimensions vary by tube size and configuration. The Let-Lok series covers the majority of instrumentation tube fitting requirements.

Does 3G Electric provide HAM-LET product documentation for specification?

3G Electric provides manufacturer part numbers, material specifications, pressure ratings, and connection details for each HAM-LET SKU listed in its catalog. For detailed dimensional drawings, pressure-temperature curves, and material certificates, buyers can request documentation with a quote. HAM-LET publishes technical datasheets for its product families, and 3G Electric can supply these documents to support engineering review and procurement. Contact 3G Electric with the specific model numbers required for a documentation package.