公稱外徑公稱偏差0.4 MPa0.6 MPa0.8 MPa1 MPaS+偏差S+偏差S+偏差S+偏差​​25+0.3——2.0+0.42.1+0.432+0.3——2.2+0.42.7+0.540+0.4——2.8+0.53.4+0.550+0.52.0+0.42.6+0.53.4+0.64.2+0.663+0.52.3+0.53.3+0.64.3+0.75.2+0.775+0.72.7+0.53.9+0.65.1+0.86.2+0.990+0.93.2+0.64.7+0.76.1+0.97.5+1.0110+1.03.9+0.65.7+0.87.5+1.09.1+1.2125+1.24.4+0.76.5+0.98.5+1.110.4+1.3140+1.35.0+0.77.2+1.09.5+1.211.6+1.4160+1.55.7+0.88.3+1.110.8+1.313.3+1.6180+1.76.4+0.99.3+1.212.2+1.414.9+1.7200+1.87.1+1.0, , 10.3+1.313.6+1.616.6+1.9225+2.17.9+1.011.6+1.415.2+1.718.7+2.1250+2.38.8+1.112.9+1.517.0+1.920.7+2.3280+2.69.9+1.214.4+1.718.9+2.123.2+2.6315+2.911.1+1.316.2+1.921.2+2.426.1+2.9355+3.212.5+1.518.3+2.123.9+2.729.4+3.2400+3.614.1+1.720.6+2.326.9+3.033.2+3.6450+4.115.8+2.623.2+3.730.5+4.8—500+4.517.6+2.925.7+4.133.9+5.3—560+5.021.6+3.031.7+4.3——630+5.024.3+3.235.7+4.5——