It states that these can be used to convert a Firestone keg to ball and lock, but then states further down that they are not compatible? Clarify plz.

If you want to convert your firestone kegs ( pin lock) to ball lock you can do that. But if u have pinlock disconnects for your beer and co2 lines they wont be compatible with these poppets.

I just recieved these and it would seem I got 2 liquid ones. My kegs are marked in and out will not having the gas one effect use?

The ball locks are colored gray (gas in) and black (liquid out). Each fit on their corresponding posts. You can force the gray on the “out” post but most likely get leaks, both air and liquid. They are slightly diff sizes and I would recommend not doing it.

Can you replace hex 7/8 keg posts on a cornelius co. keg. the thread is the same, but some people say no. had anone tried, what was the problem?

Thank you for your question.These 2 posts bottom thread size is I.D 1/2'', it can't replace 7/8‘’ posts.

These are type b keg posts, correct?

Thank you for your question.This is Cornelius Type Ball Lock Keg post.

Mrbrew 2 Pair Ball Lock Keg Post 19 32 18

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Description

🍺 Elevate your homebrew game with leak-proof, pro-grade keg connectors!

LEAK FREE PRECISION FIT - Standard 19/32’’-18 threading ensures airtight, no-drip connections for your craft pours.
COMPLETE REPLACEMENT KIT - 2 pairs of gas & liquid posts plus springs and poppets—everything to keep your keg system flawless.
DURABLE STAINLESS STEEL BUILD - Rust-resistant, burr-free finish for long-lasting performance and easy cleaning.
VERSATILE BEVERAGE COMPATIBILITY - Perfect for beer, soda, kombucha, and more—turn your keg into a multi-drink dispensing powerhouse.
EFFORTLESS INSTALLATION MAINTENANCE - Quick to install and disassemble, so you spend less time tinkering and more time enjoying.

MRbrew 2 Pair Ball Lock Keg Posts feature precision 19/32’’-18 standard threading and premium stainless steel construction for durable, leak-free connections. Designed for Cornelius kegs, this kit includes gas and liquid posts, springs, poppets, and extra gasket O-rings, ensuring a complete, easy-to-install replacement solution compatible with a variety of carbonated beverages.

Reviews

K**E

Half good

Purchased these to upgrade 2 pin-lock kegs to ball-lock. Delivery was quick, installation was easy, however one set worked great but the other would not seal the keg. Looks like they would not screw down far enough to make the seal. Had to put the pin-locks back on that keg which seal fine.

19.11.2025

T**G

Prep time

All good

17.06.2026

A**R

Revitalize older kegs

If you have older kegs and no longer trust them holding pressure you should consider these. These things have brought all of my older "fleet" of kegs back in the mix. They are really easy to install and are really good quality.

19.01.2025

R**H

Nice Replacement Valves, Works Great

Nice replacement part, spring is MUCH stronger than the older smaller springs on corny kegs. Also, threads are the same on beer and gas, which they usually aren't on older kegs. If I have any doubt at all on older kegs, I just replace the whole fixture to be sure. Saves future headaches for a few bucks.

7.03.2025

M**.

Waiting on maiden voyage

Items came as advertised. Haven’t put them to use yet. Very easy install.

24.04.2026

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ASIN	B0B9Y112HV
Brand	MRbrew
Color	Silver
Customer Reviews	4.3 4.3 out of 5 stars (93)
Date First Available	23 September 2022
Item Weight	95 g
Material	Stainless Steel
Model Number	MR-2-BLKP
Package Dimensions	15.3 x 8 x 1.8 cm; 95 g

MRbrew 2 Pair Ball Lock Keg Post 19/32’’-18 Cornelius Corny Keg Connectors

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Common Questions