Alternative Plant Protection Devices and Terminology Back to Learn about steam Safety Valve Selection Choosing and commissioning the correct safety valve, including selection considerations, setting, sealing, positioning and the effects of backpressure.

Also known as butterfly valves. Flow-Adjustment Valves Threaded Flow-Adjustment Valves Valves are for use with water, oil, air, inert gas, and steam. They gradually open and close to adjust and regulate flow. Flanged Flow-Adjustment Valves These valves are for use with water, oil, air, and inert gas.

Diaphragm Valves The GF Piping Systems range of plastic diaphragm valves includes manual, pneumatic and electric units in various sizes and for different pressure ranges, guaranteeing the right valve for any piping system.

Check Valves Threaded Check Valves For use with threaded pipe, these valves are available with NPT, NPTF, BSPP, BSPT, and UNI/UNF (JIC) connections. Compact Threaded Check Valves With a shorter end-to-end length than other check valves, these fit in tight spaces. Plastic Threaded Check Valves Plastic provides a lightweight alternative to metal.

Ball Valves, General Purpose and Special Application 60 Series. Features: 1/8 to 2 in. and 6 to 25 mm sizes; Stainless steel, carbon steel, brass, and special alloy materials; On-off (2-way) and switching (3-way) valves; Compensating seat design; Live-loaded, two-piece stem packing. Download Add To Favorites. Plug Valves—P4T and P6T Series.

Browse 3,000+ gate valve stock photos and images available, or search for oil drilling rigs or flange to find more great stock photos and pictures.

Pulmonary valve disease affects the valve between the heart's lower right chamber and the artery that delivers blood to the lungs. That artery is called the pulmonary artery. The valve is called the pulmonary valve. A diseased pulmonary valve doesn't work properly.