NKZ44H
NKZ944H-C型
NKZ941H 水、蒸汽、空气
Water,Steam,Air ≤425
NKZ41H(Y)
NKZ44H(Y)-I型
NKZ944H(Y)-I型
NKZ941H(Y) 水、蒸汽、空气
Water,Steam,Air ≤550
主要零件材料 Materials for main parts
零件名称
Part name 阀体、阀盖
Body Bonnet 阀杆
Stem 闸板
Wedge gate 密封面
Sealing face 阀杆螺母
Yokenut 填料
Parking 紧固件
Fastener
NKZ44H
NKZ41H-C型
NKZ944H-C型
NKZ941H WCB 2Crl3 25 H:合金钢
H:alloy steel 铝青铜
Albronze 膨胀复合石墨
Expanding
comDound
graphite 优质碳钢
High-grade
carbon steel
NKZ44
NKZ41Y-I型
NKZ944-I型
NKZ941 铬钼钢
steel 20CrlMo1VA
38CrMoAlA 铬钼钢
steel Y:硬质合金
Y:carbide alloy 铬钼钢
steel