Useful accessories to save time and money!

Backflo Shop is an authorized distributor of the Mid-West Instrument brand and has access to many tools and accessories to complement your differential pressure gauge test kit.

Quick Connect Test Cock Adapters

Designed for hand-tight connections to connect the hoses of your differential pressure gauges to any backflow preventer devices.

To perform backflow preventers field testing effectively, adapter kits are essential. Each adapter contains an integrated O-Ring, which ensures a sealed connection for your tests.

The adapters can be easily screwed onto the backflow preventer device test cocks. You can then plug in the manometer hoses, without applying Teflon and without using any tools, all in just a few seconds!

90° adapters are also available for improperly located test valves.

Contact us to get differential pressure gauge accessories or complete a quote request.

Professional Test Cock Cleaning Tool

This handy tool allows you to clean backflow preventer’s test cocks before performing your field tests.

The plunger can easily remove debris from the test cocks and can perforate the limestone membrane that might form inside. The purge tube is used to flush debris directly into a bucket or the floor drain, for a clean and professional work.

Bleed-Off Valve Assembly – (soft seated needle valve)

Bleed-Off Valve Assembly allows you to perform back pressure tests with a two buttons differential pressure gauge , which would be impossible without this tool. This valve is also essential in certain situation to complete field testing of pressure vacuum breaker (PVB) and double check valves assembly (DCVA).

Vertical Tube Kit

The Vertical Tube Kit allows you to perform leak tests on certain backflow preventer devices replacing your differential pressure gauge. This accessory is easily transported and should be part of your basic equipment to compensate for an unforeseen breakage of your differential pressure gauge when you are at a customer’s premises.

Replacement Hose Assembly Kit

Set of 3 (red, blue, yellow) 5 foot replacement hose assembly kit. Hoses are compatible with any differential pressure gauge.

Tubes and tips: Buna-N jacket and ¼ ”Schrader tips in brass.

All filters are included.

Replacement Filter Kit – Set of Three

Set of 3 replacement filters for model 835, 845 and 847 differential pressure gauge hoses.

Case for 835, 845 and 847 models

Case for model 835: Molded plastic box with support for mounting the differential pressure gauge.

You can purchase Model 845 gauge conversion kits that make it possible to use the casing originally designed for the 835 models.

Case for model 845 and 847: Sturdy case with compartments for storing adapters.

Contact us for differential pressure gauge test kit accessories or get a quote.