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Новости
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 Most of the damage to the bellow seal globe valve is not used because of the production process, on the contrary, because of mechanical compression and damage. Although the bellow seal globe valve have different levels of flexibility, with different coati... |
Bellow seal globe valve opening and closing parts a plug shaped flap valve, the seal appear before plane or cone, the valve along the centerline of the fluid for linear motion. Movement in the form of the stem, the lift rod (stem down, hand wheel lift), l... |
