转换接头 油管变扣 油管变径接头 油管变径接箍 油管特殊扣变扣 油管接头变扣 达利普特殊扣油管接头

J55 N80 L80 P110 L80-13CR P110-13CR

2-7/8‘’ EUE/NUE*2-3/8''/2-7/8‘’ /3-1/2''/4-1/2'' EUE/NUE

3-1/2‘’ EUE/NUE*2-3/8''/2-7/8‘’ /3-1/2''/4-1/2'' EUE/NUE

4-1/2'' EUE/NUE*2-3/8''/2-7/8‘’ /3-1/2''/4-1/2'' EUE/NUE