This is a decided departure from the well-beaten path of so-called Packless valves.It is an all-metal valve, made of the high-est grade material. There is no thrust orstrain on the valve stem, as the disc holdertravels on a thread in the bonnet instead ofon the stem, the stem acting as a key…
Masonry · Brick · Terra Cotta · Metals · Metal Fabrication · Structural Metal Framing · Thermal and Moisture Protection · Finishes · Plaster and Gypsum Board · Openings · Roof Windows and Skylights · Doors · Conveying Equipment · Elevators · Equipment · Food service Equipment · Food Cooking Equipment · Office Equipment · Electrical engineering · Lighting · Interior lighting · Lighting Fixtures · Plumbing · Plumbing Piping and Pumps · HVAC · Central Heating Equipment · Furnaces · Heating Boilers · Specialty Construction · Vaults · Construction Materials
Internet Archive · Building Technology Heritage Library · Public Domain Mark 1.0. Free to use for anything.
