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HAM-LET

HAM-LET is an Israeli manufacturer of precision instrumentation valves and fittings, established in 1974 and headquartered in Kibbutz Hamadia. The company specializes in high-quality stainless steel valves for critical fluid and gas handling applications, with a product portfolio that includes needle valves, ball valves, check valves, diaphragm valves, and related fittings. HAM-LET components are engineered for use in demanding environments such as oil and gas, chemical processing, power generation, semiconductor manufacturing, and analytical instrumentation. Key technical characteristics include construction from 316 and 316L stainless steel, compliance with fugitive emission standards such as ISO 15848-1, and availability of connection types including Let-Lok (a proprietary tube fitting system), FNPT, and face seal configurations. The H99 Series needle valves feature non-rotating stems and screw-in bonnets for reliable shut-off, while the H300U Series offers regulating stems for flow control. Ball valves in the H-6800 Series provide three-way L-flow patterns with wedge handles. Check valves in the H-400 and H-410 Series use poppet designs with 316 stainless steel seats and are available with Let-Lok or FNPT connections. High-purity diaphragm valves, such as the EVZS4R-BV, are constructed from 316L stainless steel with chromium cobalt nickel diaphragms for ultra-clean applications. 3G Electric stocks over 500 SKUs of HAM-LET valves, covering a wide range of sizes (from 1/4 inch to 1 inch) and pressure ratings, with global logistics to support industrial procurement. The product line is suited for engineers and maintenance managers who require repeatable performance, material traceability, and compliance with industry standards. All HAM-LET valves supplied by 3G Electric are sourced directly from the manufacturer, ensuring authenticity and adherence to original specifications.

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About HAM-LET

HAM-LET is an Israeli manufacturer of precision instrumentation valves and fittings, established in 1974 and headquartered in Kibbutz Hamadia. The company specializes in high-quality stainless steel valves for critical fluid and gas handling applications, with a product portfolio that includes needle valves, ball valves, check valves, diaphragm valves, and related fittings. HAM-LET components are engineered for use in demanding environments such as oil and gas, chemical processing, power generation, semiconductor manufacturing, and analytical instrumentation. Key technical characteristics include construction from 316 and 316L stainless steel, compliance with fugitive emission standards such as ISO 15848-1, and availability of connection types including Let-Lok (a proprietary tube fitting system), FNPT, and face seal configurations. The H99 Series needle valves feature non-rotating stems and screw-in bonnets for reliable shut-off, while the H300U Series offers regulating stems for flow control. Ball valves in the H-6800 Series provide three-way L-flow patterns with wedge handles. Check valves in the H-400 and H-410 Series use poppet designs with 316 stainless steel seats and are available with Let-Lok or FNPT connections. High-purity diaphragm valves, such as the EVZS4R-BV, are constructed from 316L stainless steel with chromium cobalt nickel diaphragms for ultra-clean applications. 3G Electric stocks over 500 SKUs of HAM-LET valves, covering a wide range of sizes (from 1/4 inch to 1 inch) and pressure ratings, with global logistics to support industrial procurement. The product line is suited for engineers and maintenance managers who require repeatable performance, material traceability, and compliance with industry standards. All HAM-LET valves supplied by 3G Electric are sourced directly from the manufacturer, ensuring authenticity and adherence to original specifications.

Common Applications

  • 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

Frequently asked questions

Common questions about HAM-LET from 3G Electric.

What materials are used in HAM-LET needle valves?

HAM-LET needle valves, such as the H99 and H300U Series, are primarily constructed from 316 stainless steel for the valve body and bonnet. Stems are available in 316 stainless steel or 17-4PH stainless steel for enhanced wear resistance. Seals and packing materials vary by model, with PTFE and other polymers used for low-friction operation. The choice of material ensures compatibility with a wide range of liquid and gas media, including corrosive chemicals and high-purity fluids.

What is the Let-Lok connection system used in HAM-LET valves?

Let-Lok is HAM-LET's proprietary tube fitting system designed for leak-free connections in instrumentation and process lines. It uses a ferrule-based design that grips the tube without damaging it, allowing for repeated assembly and disassembly. Let-Lok connections are available on many HAM-LET needle valves, check valves, and ball valves, providing a reliable alternative to threaded or welded connections. They are compatible with standard metric and imperial tubing sizes.

Are HAM-LET ball valves suitable for three-way flow control?

Yes, HAM-LET offers three-way ball valves such as the H-6800 Series, which feature an L-flow pattern for diverting flow between ports. These valves are constructed from 316 stainless steel and are available with standard port ball ports. The wedge handle provides clear visual indication of the flow path. They are suitable for applications requiring flow switching or mixing in chemical, oil, and gas systems.

What standards do HAM-LET check valves comply with?

HAM-LET check valves, including the H-400 and H-410 Series, are designed to meet instrumentation-grade standards for leak-tightness and durability. They are typically rated for pressures up to 6000 psi (depending on size and connection type) and are compatible with media such as chemicals, gas, oil, and water. The poppet design ensures low cracking pressure and reliable backflow prevention. Specific models may comply with ISO 15848-1 for fugitive emission control.

Can HAM-LET diaphragm valves be used in high-purity applications?

Yes, HAM-LET high-purity diaphragm valves, such as the EVZS4R-BV, are designed for ultra-clean environments like semiconductor manufacturing and pharmaceutical processing. They feature 316L stainless steel bodies and chromium cobalt nickel diaphragms that minimize particle generation and chemical contamination. The manual actuation allows precise flow control, and the face seal connections ensure leak-free operation in critical gas and liquid systems.

Does 3G Electric supply HAM-LET products?

Yes — 3G Electric (S) Pte. Ltd. supplies HAM-LET products. We stock the HAM-LET catalog and supply genuine factory-original products with full manufacturer warranty and technical support.