60+ years of valve expertise. Technical guides, product selection help, and industry knowledge for engineers and procurement buyers.
Body materials, PTFE seats, fire-safe and low-emission standards, and transfer-line specs for methanol service, from a team with 60+ years in valves.
Read the ArticleCompare chilled water ball, butterfly, control, and check valves. Cv sizing example, glycol corrections, and material picks from ValveMan's 60+ years.
Read more →Five NSF 61 lead free potable water valves compared: full port ball, DZR brass, check, and butterfly. Specs, Cv, and selection advice.
Read more →How modulating control valves differ from on/off valves: 4-20 mA signals, positioners, actuator duty cycles, Cv sizing, and fail-safe selection.
Read more →How a Y strainer works and how to spec mesh size, body material, pressure class, and connections — with installation and cleaning guidance from ValveMan.
Read more →Compare thermostatic mixing, T&P relief, ball, check, and shut-off valves for hot water. Seat temp limits, ASSE standards, and product picks from ValveMan.
Read more →Compare mag, ultrasonic, Coriolis, vortex, thermal mass, and DP flow meters on accuracy, turndown, straight run, and cost. Pick the right meter fast.
Read more →Apollo is a name synonymous with quality, and that very quality is built into the Apollo safety relief valves line. Water boilers and similar equipment...
Read more →Compare liquid filled and dry pressure gauges by vibration, pulsation, temperature, and media. Fill fluid limits, ASME grades, and a worked spec example.
Read more →Compare diaphragm and globe valves on throttling, media, pressure limits, cost, and maintenance. Practical selection guidance from 60+ years in valves.
Read more →Step-by-step guide to adjusting a water pressure regulator: target psi, high/low pressure symptoms, and when to replace the PRV. Call 888-825-8800.
Read more →How to choose between normally open and normally closed solenoid valves: fail-safe logic, coil duty cycle with worked energy math, and a selection checklist.
Read more →A limit switch is a device that is used to prove the open or closed position of a valve. Check out any of our automated...
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