yoshitake减压阀 GD-26S-DN20,GD-26S-DN25,GD-26S-DN32,GD-26S-DN40,GD-26S-DN50
170
2.2
3.5


32A(1 1/4)
180
224
4.7
6


40A(1 1/2)
180
224
4.5
7


50A(2)
220
239.5
6.5
11

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