表3 NJ型逆止器安装孔直径范围 NJ逆止器,NJ逆止器价格,NJ逆止器厂家
规格 |
安装孔径范围mm |
优先选择的安装孔直径mm |
NJ25 |
120-160 |
120,130,140,150,160 |
NJ38 |
160-200 |
160,170,180,190,200 |
NJ50 |
160-220 |
160,170,180,190,200,210,220 |
NJ90 |
180-250 |
180,190,200,210,220,230,230,240,250 |
NJ125 |
200-270 |
200,210,220,230,240,250,260,270 |
NJ180 |
230-300 |
230,240,250,260,270,280,290,300 |
NJ270 |
250-320 |
250,260,270,280,290,300,320 |
NJ320 |
250-350 |
250,260,270,280,290,300,320,340,350 |
NJ520 |
320-420 |
320,340,350,380,400,420 |
NJ700 |
350-450 |
350,380,400,420,450 |
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