News - Classification cut-off valve

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Home > News > Classification cut-off valve

Classification cut-off valve - 2014-01-16 09:51:33

Shut-off valves commonly used are the following :

1 ) Straight- off valve

2 ) DC -type valve : DC -type or Y -shaped valve, the valve of the flow channel and the main channel into a slash , the extent of damage to the state of this flow is smaller than the conventional cut-off valve , and thus the pressure loss through the valve accordingly the small.

3 ) Angle valve: the angle-type valve , the fluid simply by changing a direction , so that the pressure drop through the valve shut-off valves smaller than conventional structures .

4 ) Plunger valve: This form of cut-off valve is a variant of the conventional cut-off valve . In the valve , the valve plunger and seat are usually based on the principles of design . Polished valve stem is connected with a plunger , seal is set on two elastic plunger seal achieved. Two elastic rings separated by a ring and through the valve cover nut load exerted on the valve cover seals around the plunger pressed firmly. Elastic ring can be replaced , you can use a variety of materials , the valve is mainly used for "on" or "off" , but with a special form of a plunger or special rings can also be used to regulate the flow .

Commonly used cut-off valve shut-off valves have GB , American Standard valve, globe valve DIN , Japanese standard globe valves , bellows globe valve , cryogenic valve.

Keywords:butterfly valve ,knife gate valve,ball valve,globe valve,slurry gate valve

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