Installation & maintenance articles

Technical articles on Installation & maintenance: valve and expansion joint selection, application and installation notes.

A needle valve is not there to carry flow but to protect an instrument and isolate it. The tapered stem’s many turns make that pos...

Sending a command is not the same as the valve reaching that position. A limit switch box closes that gap — but only if its cams a...

If the suction line drains when the pump stops, every start becomes a fresh priming attempt. A foot valve prevents that — but when...

A correctly selected joint still dies in a few seasons if the support scheme is wrong. What directs movement into the joint is not...

Once size and pressure class are settled, one constraint remains: the valve has to fit, and its lever has to turn. Mini and wafer...

Sea water is both corrosive and biologically alive. A strainer body and its basket must withstand both — and must not form a galva...

Fittings on a fire line may stand unused for years and must work first time at exactly the moment they are needed.

All three hold solids back, but the size of what they catch, how much they can hold and how they are cleaned are not comparable. T...

A drain valve carries the dirtiest fluid in the system, and that fluid erodes the seat. Closing geometry, position and freezing ri...

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