PTS811-1.6-DN40,PTS811-1.6-DN50,PTS811-1.6-DN65,PTS811-1.6-DN80,气动平衡笼式调节阀
1.1


1.8


1.1


0.7


1.1


0.7


0.75


1.1


0.75


0.48


0.75

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