孔短管夹D3(≤555℃),标号示例:Dw=48,t=540℃。Pjg=150公斤力。标号:D3.48H D3双孔短管夹适用温度在555摄氏度以下, D3产品标号:D3.32H,D3.38H,D3.42H,D3.45H,D3.48H。 D3A产品标号:D3.57S,D3.76S,D3.89S,D3.108S,D3.133S,D3.159S,D3.168S,D3.194S,D3.219S,D3.245S,D3.273S,D3.298S,D3.325S,D3.377S,D3.426S,D3.480S,D3.530S,D3.630S