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HAM-LET New Products

About us:

Ham-Let Group was established in 1950.

Traded on the Tel Aviv stock market since 1994.

A worldwide company, Ham-Let Group has 14 branches and 4 subsidiaries around the globe and is constantly growing.

We provide a wide variety of innovative valves, fittings, and hoses for many industries including: Oil & Gas, Semiconductor, Power Generation.

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Stem Protector

Stem Protector

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  • Specifications
  • Features
Stainless Steel 316


• Valved and non-valved stems available.
• Working pressure rating: up to 3,000psig (206bar).
• Interchangeable and intermixable with major manufacturers’ Instrumentation Quick Connectors.
• Fluorocarbon FKM O-Rings as standard, other O-rings are available per request.
• Smooth and safe connection between the QC-LOK® Connector valves is reached by a simple pushing operation due to a smart heavy duty locking mechanism.
• The QC-LOK® Instrumentation Quick Connectors validation tests are based on ANSI/B93.51M – 1980.



The HAM-LET QC-LOK® Instrumentation Quick Connectors are designed for service in a large variety of applications, with MAWP up to 3,000psig (206 bar).


Single and Double End Shutoff Stems

Single-end shutoff (SESO) - Stems have no valve and remain open when uncoupled. Double-end shutoff (DESO) - Stems have valve and shut off when uncoupled.




Every Quick connector is cleaned in accordance with Standard Cleaning and Packaging (procedure 8184). Oxygen Clean & Lubricant Free Cleaning and packaging, in accordance with Special Cleaning and Packaging (procedure 8185), is available as an option.



The Quick Connectors designs have been tested for Proof and Burst. Every Quick Connector is factory tested for proper assembly by leakage detection at 1000 psig (68 bar) or its maximum working pressure if less than 1000 psig (68 bar). The maximum allowable leakage is 0.1 std cc/min.


Product Configuration

Flow Rate