The upper end of the adjusting screw (7) is provided with a frustum-shaped valve needle (6).

所述调节螺杆(7)的上端具锥台形阀针(6)。

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It is for hardfacing of continuous casting roll, steam valve, wedge-shaped valve, safety valve, etc.

适用于连铸辊、蒸汽阀、楔形阀、安全阀等部件的硬面堆焊。

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The Fig. 1710 Balancing valve is a non-rising stem design incorporating a parabolic (plug) shaped disc.

型号1710平衡阀为暗杆结构，配置抛物线（塞）形阀瓣。

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