Globe valve - Carbon steel - RF PN40 - with bellow - 400°C

The carbon steel globe valve with bellow seal is designed for use with steam and high temperature has a non-rising rotating stem and handwheel.

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The bellow seal globe valve is operated as an obstruction between fluids and the air. At the same time, the valve can prevent fluids leaking to the air and guarantee zero leakage of pipelines. The bottom of bellows is welded to the valve stem of the bellow seal globe valve to avoid process fluids eroding the valve stem.

The globe valve of this type s recommended for service with No corrosive or no toxic fluids, steam, hydrocarbons, thermic fluid. The carbon steel globe valve’s stem and seat is made from stainless steel. It follows the flow direction indicated by the arrow.

The stem of the globe valve with bellow is also made with non-rising rotating stem and handwheel, must always be kept greased. Other features include bolted bonnet and tightened gland packing during setting.

Carbon steel globe valves with bellow are recommended for throttling or regulating flow. This globe valve with bellow has a body made of carbon steel A216CWB, stainless bellow and a stainless seat. 

This carbon steel globe valve with bellow is used for throttling flow control. Shut off is accomplished by moving the disc against the flow stream rather than across it as in the case with a gate valve. The flow pattern through the Carbon steel involves changes in direction, resulting in greater resistance to flow, causing high pressure drop.

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The carbon steel globe valve with bellow is used often in applications at Min and max temperatures between - 20°C to + 400°C and pressure up to 40bar

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The fluid does not get into contact with the valve stem. The valve is hermetically tight to the atmosphere. To improve operational safety, the globe valve is provided with additional stuffing-box packing. Specifications of the bellow seal globe valve for steam:

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DN 15 20 25 32 40 50 65 80 100 125 150 200 L 130 150 160 180 200 230 290 310 350 400 480 600 Ø P 15 20 25 32 40 50 65 80 100 125 150 200 Ø P1 16,5 20,5 25,2 30 40,8 50,5 66 81 104,5 126 150,5 205 H 190 195 220 219 256 265 328 341 376 488 531 685 Ø V 120 120 140 140 180 180 200 200 250 275 275 400 Weight (Kg) 3,7 4,8 6,8 7,8 13 15,5 23 28 43 68 100 202