公称通径
DN/mm
Nominal
diameter 试验压力/MPa Seal test
壳体强度试验
Sheli strength
上密封试验
Back seal 密封试验
Seal test
1.0 1.1 1.1
1.6 1.8 1.8
2.5 2.8 2.8
4.0 4.4 4.4
6.4 7.0 7.0
10.O 11.0 11.O
产品类型 Product type 适用介质 Applicable medium 适用温度/℃ Applicable temperature
NKZ41H
NKZ44H
NKZ944H
NKZ941H -C型
水、蒸汽、空气
Water,Stram.Air ≤425
NKZ41H
NKZ44H
NKZ944H
NKZ941H Y-I型
水、蒸汽、空气
Water,Stram.Air ≤550