8 min read
2-way
The Best Valves for Milk
Compare butterfly, mixproof, diaphragm, and flow diversion valves for milk, with 3-A, PMO, 316L, and CIP guidance from ValveMan's 60+ years in valves.
Read more →Valve Knowledge / Engineering Resources
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Latest Article
The Best Valves for Milk
Compare butterfly, mixproof, diaphragm, and flow diversion valves for milk, with 3-A, PMO, 316L, and CIP guidance from ValveMan's 60+ years in valves.
Read the Article
12 min read
boiler feedwater
The Best Valves for Boiler Feedwater
How to spec boiler feedwater control, check, stop-check, and recirculation valves: Cv sizing, drum level control, ASME B31.1 rules, and materials.
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8 min read
Ball valves
The Best Valves for Deionized Water
PVDF, PP, and 316L compared for DI water valves. Pressure ratings, seal choices, and purity protection from ValveMan's 60+ years in valves.
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8 min read
Ball valves
The Best Valves for Seawater
Why seawater corrodes valves, how PREN numbers work, and which metals and plastics survive chloride service. A selection guide from ValveMan's 60+ years.
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12 min read
Bleed valves
The Best Valves for Cooling Tower Water
Butterfly, check, ball, and blowdown valves for cooling tower duty: seat materials, chloride limits, and sizing guidance from 60+ years in valves.
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10 min read
ball valve actuator
The Best Valves for Chilled Water
Compare chilled water ball, butterfly, control, and check valves. Cv sizing math, glycol corrections, and material picks from ValveMan's 60+ years.
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10 min read
Ball valves
The Best Potable Water Valves
Five NSF 61 lead free potable water valves compared: full port ball, DZR brass, check, and butterfly. Specs, Cv, and selection advice.
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7 min read
Modulating vs On/Off Control Valves: What Is the Difference?
How modulating control valves differ from on/off valves: 4-20 mA signals, positioners, actuator duty cycles, Cv sizing, and fail-safe selection.
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6 min read
What Is a Y-Strainer and How Do You Select the Right One?
How a Y strainer works and how to spec mesh size, body material, pressure class, and connections — with installation and cleaning guidance from ValveMan.
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6 min read
What are the Best Valves for Hot Water?
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.
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10 min read
How to Choose a Digital Flow Meter for Your Application
Compare mag, ultrasonic, Coriolis, vortex, thermal mass, and DP flow meters on accuracy, turndown, straight run, and cost. Pick the right meter fast.
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2 min read
Apollo
Introducing Apollo Safety Relief Valves
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...
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