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API Latching Indicator


The API-LI has been designed to provide users with a quick and efficient method to measure the latching capability of Liquip manufactured API couplers.

The latching capability of the API coupler is measured instantly against pre-determined allowances and is visually represented allowing users to easily determine if the coupler is suitable for continued use or if it requires servicing.

Features & Benefits
  • Indicates latching integrity of API coupler.
  • Quick and easy to use.
  • Visual indication of coupler latching capability.
  • Can be used in situ.
  • Stainless Steel 304 construction for durability.

Technical Information

Visual Identification
RED (only) visible:
Immediately remove coupler from service and
conduct complete coupler maintenance.

GREEN (only) visible
Continue coupler use.

RED and GREEN visible:
Continue coupler use. Monitor and check again in 3-6 months.

Note: The API-LI is intended to be used in conjunction with standard coupler maintenance. Liquip recommends users service couplers in line with Liquip’s recommended coupler maintenance schedule.

When engaging the API-LI ensure you squeeze the stainless steel handle of the API coupler, as this will assist with the ease of engagement and increase the service life of the API-LI.

Ordering Information

API-LI: API coupler latching indicator. 

Associated Equipment

LYNX Series Dry-Break Coupler.

API-NCFG: Stainless steel API Nosecone wear gauge set.


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