We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Polished chrome brass stop valve with loose key handle, straight 1/2 inch NPT connections

CHICAGO FAUCET COMPANY

CHICAGO FAUCET COMPANY 45-LKABCP Loose Key Stop Straight 1/2 Inx1/2 In measurement tool

SKU CH-WQ4V-F0BQA

A loose-key brass stop valve with 1/2 in NPT female connections and 125 psi rating

  • TypeElectronic
  • Loose-key stop prevents unauthorised water adjustment
  • Straight brass body withstands 125 psi operating pressure
  • Polished chrome finish resists corrosion and wear
  • Dual 1/2 in female NPT ports fit standard supply lines
  • Multi-turn handle gives precise flow control

Brass Water Supply Stop

The Chicago Faucet Company 45-LKABCP is a straight loose-key stop valve built for plumbing professionals and maintenance teams. Its brass body with polished chrome finish handles water supply control in commercial and residential installations.

Multi-Turn NPT Connections

The valve uses a multi-turn handle for precise flow adjustment and features 1/2 inch female NPT threads on both ends. Rated for 125 psi operating pressure, the straight pattern suits in-line shut-off where secure, leak-free joints are required.

Loose Key Security Included

A removable loose key prevents unauthorised operation, making the stop suitable for public or tenant-accessible areas. No additional accessories or software are bundled with this mechanical component.

Highlights

  • Loose-key stop prevents unauthorised water adjustment
  • Straight brass body withstands 125 psi operating pressure
  • Polished chrome finish resists corrosion and wear
  • Dual 1/2 in female NPT ports fit standard supply lines
  • Multi-turn handle gives precise flow control

Specifications

BrandCHICAGO FAUCETS
TypeElectronic

Questions about this item

What does the 1/2 in NPT connection on this stop valve limit in practice?

The 1/2 in female NPT threads on both ends accept matching male pipe fittings and the valve is rated for 125 psi maximum operating pressure.

What clearance and thread type are needed to mount this straight stop?

It requires 1/2 in female NPT threads on the supply and outlet pipes with enough straight run to accommodate the valve body.

How is this loose-key stop installed and which step is often missed?

Apply thread sealant to the male pipe threads, tighten the valve onto both 1/2 in NPT connections, then remove the loose key to prevent unauthorised operation.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.