Demars company has a powerful team for research and development, which is capable of manufacturing the perform molds with one cavity to ninety-six cavities including the injection system.

One type of body design for a needle valve is the bar stock body. Bar stock bodies are common, and, in globe types, a ball swiveling in the stem provides the necessary rotation for seating without dam

Needle valves are valve designs that are constructed with a small opening accompanied by a plunger that looks a great deal like a common sewing needle.

If two combination standpipes were interconnected, but there was one floor control valve, that would still mean the floor was supplied by two or more combination risers. Correct?

The 2010 edition of NFPA 13 has section 7.1.2.1, which states 'Relief valves will be required on all wet pipe systems that do not have auxilary air reservoirs. Previously, they were only required on g

I'm looking for which spec or code states that when work is carried out on equipment on an operational plant that the piece of equipment is isolated by two valves. Any one remember where this is writt

We are facing large seat leakage over metal seated dual plate check valves during commissioning. Valves are new and certificates show acceptable high pressure seat test hydrostatic (1,1*pd) and low pr

I have a question that revolves around the galvanic corrosion mechanism. If I use threaded bronze valves in a carbon steel boiler feedwater circuit, will there be a concern with galvanic corrosion in