• Get A Quote

Locking Cap

#LI System

Tamper resistant lockable cap for jugs, drums and totes. Configurable thread type, cap type and color options.



  • durable, corrosion-resistant polypropylene, polyethylene, and stainless steel construction
  • optional fitting for suction line – maintain security while accessing chemical
  • metal-detectable universal key with hole for lanyard or keychain
  • tamper-resistant – designed to withstand attempts to force open with other tools
  • available in 2 in. male NPS or 2 in. male buttress thread
  • choose from nine colors – black, blue, brown, green, orange, purple, red, white, or yellow


Locking Cap

Operation Manual

Locking Cap - Operation Manual

thread size and type

2 in. male NPS thread or 2 in. male buttress thread

suction fitting

1/2 in. MPT (below cap) x 1/2 in. FPT (above cap)

chemical compatibility

Chemical products used with this equipment must be formulated for this type of application and compatible with unit materials and pump seals. For more information on chemical compatibility, consult the manufacturer or SDS for your product or contact our customer service department.


Fine Thread

  • LICPA-BK-FT-NVNT (Jug with LICP, no suction)
  • LICPA-BK-FT-VNT (Jug with LICP and suction)
  • LICPA-BK-S-FT-NF (Knockout only, no suction fitting)
  • LICPA-BK-S-FT (Suction knockout with fitting)

Buttress Thread

  • LICPA-BK-S-BT-NF (Knockout only, no suction fitting)
  • LICPA-BK-S-BT (Suction knockout with fitting)
  • LICPA-BK-BT-NVNT (Unvented locking cap)


Color Options – BK, BL, BN, GN, OR, PL, RD, WH, YL

  • locking cap and key


How to Buy?

We have distributors all over the world. Tell us a little bit about you and your equipment needs, and we’ll help you find or become a distributor.

Improvce Your Experience

You’re using a web browser we don’t support. Try one of these options to have a better experience.