5 Things You Need to Know When Shopping for Check Valves

  Authors: Mike Lassas – VP, Administration and Cal Hayes  – General Manager, WaterWorks Division Check valves are typically installed into the discharge piping of a pumping system to ensure that the material being pumped does not flow backward. With so many check valves available to the market, it can be a challenge to find the Continue reading

Insulating Over Rubber Expansion Joints: A Good or Bad Idea?

By Rob Coffee The practice of insulating over metallic expansion joints to minimize heat loss in a piping system may be common, but it is not a good idea to follow this same practice with rubber expansion joints.  Rubber expansion joints typically consists of synthetic (oil-based) elastomers ethylene propylene diene monomer (EPDM), neoprene, chlorobutyl, nitrile Continue reading