NKZ41H
主要性能規(guī)范 Chief property and specification
試驗(yàn)壓力 Test pressure
公稱壓力 PN/MPa Nominal pressure |
試驗(yàn)壓力/MPa Seal test |
殼體強(qiáng)度試驗(yàn) Shell strength |
上密封試驗(yàn) Back seal test |
密封試驗(yàn) Seat test |
1.0 |
1.5 |
1.1 |
1.1 |
1.6 |
2.4 |
1.8 |
1.8 |
2.5 |
3.8 |
2.8 |
2.8 |
4.0 |
6.O |
4.4 |
4.4 |
6.4 |
8.6 |
7.O |
7.0 |
1O.O |
15.O |
11.O |
11.O |
使用范圍Applicable
產(chǎn)品類型 Product type |
適用介質(zhì) Applicable medium |
適用溫度/℃ Applicable temperature |
NKZ41H NKZ44H NKZ944H-C型 NKZ941H |
水、蒸汽、空氣 Water,Steam,Air |
≤425 |
NKZ41H(Y) NKZ44H(Y)-I型 NKZ944H(Y)-I型 NKZ941H(Y) |
水、蒸汽、空氣 Water,Steam,Air |
≤550 |
主要零件材料Materials for main parts
零件名稱 Part name |
閥體、閥蓋 Body Bonnet |
閥桿 Stem |
閘板 Wedge gate |
密封面 Sealing face |
閥桿螺母 Yokenut |
填料 Parking |
緊固件 Fastener |
NKZ44H NKZ41H-C型 NKZ944H-C型 NKZ941H |
WCB |
2Crl3 |
25 |
H:合金鋼 H:alloy steel |
鋁青銅 Albronze |
膨脹復(fù)合石墨 Expanding comDound graphite |
優(yōu)質(zhì)碳鋼 High-grade carbon steel |
NKZ44 NKZ41Y-I型 NKZ944-I型 NKZ941 |
鉻鉬鋼 steel |
20CrlMo1VA 38CrMoAlA |
鉻鉬鋼 steel |
Y:硬質(zhì)合金 Y:carbide alloy |
鉻鉬鋼 steel |