Differences in Firefighting Valves: Siamese, Gated Wye, Water Thief

On the fire ground, firefighters use a lot of different equipment to move and control water. One vital piece of their water flow equipment is the different types of valves they use. If you’ve heard firefighters talk about a siamese, gated wye, manifold, or water thief, you might have wondered what they are and what […]

Changing the Ball Seat and Clapper Seal on an Oasis Valve

The process for replacing the ball seat and clapper seal on your Oasis Hydrant Assist Valve is easy!   Tools Needed:   1/8” Allen Wrench  3/32” Allen Wrench  5/32” Allen Wrench  Pointed seal pick  1.25” Combination Wrench or Crescent Wrench  Light Grease  Changing the Ball Seat:  Using your 1/8” allen wrench, back out the set […]

How To: Changing LDH Couplings

This video walks you through how to change LDH couplings including Ball Intake Valves (BIV), Jumbo BIV, Jumbo Siamese, Jumbo Wye, Adapters, Elbows, and Suction Hose. You may do this if your couplings become damaged, or if your department is changing size or threads.  Tools Required:  Bearing strip removal tool  Pointed pick  White or silicone […]

How do you limit flow issues during gated wye operations?

It is no secret that you can encounter flow issues and increased reaction force when you shut down a line during gated wye operations. So, how can you limit flow issues with this setup? Working Fire Fixed Flow Nozzle with Pressure Relief  The Working Fire nozzle is unique due to its pressure relief feature. This […]