弹簧微启式外螺纹安全阀 KA21-16C-DN15,KA21-16P-DN15,KA21-16C-DN20,KA21-16P-DN20,KA21-16C-DN25,KA21-16P-DN25
50


100


105




A21Y-64
A21Y-64P
A21Y-100
A21Y-100P


15


10


15


25


M391.5

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