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H664H、H664Y抽氣止回閥

<H664H、H664Y抽氣止回閥

H664H、H664Y抽氣止回閥產品概述

該系列產品主要用在600MW以下火力發電汽輪機抽汽系統,防止介質或水倒流,對汽輪機水泵等重要設施起到保護作用。
 

抽汽止回閥設計制造檢驗標準 

設計制造標準:ASME/ANSIB16.34、E101、JB/T3595
結構長度標準:JB/T3595、ASME/ANSIB16.10、GB/T12221
焊接端或法蘭標準:GB/T12224、ASME/ANSIB16.25、GB/T9113、JB/T79~JB/T82
試驗驗收標準:JB/T9092、JB/T3595、ASME/ANSIB16.34、E101

性能規范

產品型號壓力等級強度試驗壓力密封試驗壓力適用介質溫度氣缸氣源壓力
H664Y-150Lb150Lb3.0Mpa2.2Mpa≤425℃0.6Mpa
H664Y-150LbC6150Lb3.0Mpa2.2Mpa≤510℃0.6Mpa
H664Y-300Lb300Lb7.5Mpa5.5Mpa≤425℃0.6Mpa
H664Y-600Lb600Lb15.0Mpa10.0Mpa≤425℃0.6Mpa
H664Y-900LbC6900Lb24.0Mpa18Mpa≤510℃0.6Mpa
H664H-202.0Mpa3.0Mpa2.2Mpa≤425℃0.6Mpa
H664H-505.0Mpa7.5Mpa5.5Mpa≤425℃0.6Mpa
H664H-10010.0Mpa15.0Mpa11.0Mpa≤425℃0.6Mpa

 

產品型號壓力等級強度試驗壓力密封試驗壓力適用介質溫度氣缸氣源壓力
H664Y-64C66.4Mpa9.6Mpa7.1Mpa≤510℃0.6Mpa
H664Y-100C610.0Mpa15.0Mpa11.0Mpa≤510℃0.6Mpa
H744H-202.0Mpa3.0Mpa2.2Mpa≤425℃0.6Mpa(液壓)
H744H-404.0Mpa6.0Mpa4.4Mpa≤425℃0.6Mpa
H744H-646.4Mpa9.6Mpa7.1Mpa≤425℃0.6Mpa

主要零件材料

零件名稱閥體 閥瓣 搖桿閥桿閥蓋螺柱螺母缸體彈簧

WCB2Cr13WCB35452560si2Mn
WC6CrMoVWC6CrMovCrMov2560si2Mn

主要外形及連接尺寸 
  

H664H-20
DNLDD1D2HH1H2H3L51W(kg)
450740428476630990425510755486620
500790468520658990470545852554759
700104068274784599056062512408201258
800129578084299512576506451348.39281788
H664H-50
DNLDD1D2HH1H2W(kg)
200526195239410815325390236
300610300354494845350445376
4008383804366001142450490674
H664H-100
DNLDD1D2HH1H2W(kg)
250680250302475904380440385
500102048058482012405805601537
H664H-64C6
DNLDD1D2HH1H2W(kg)
1003689412023569023027478
H664H-100C6
DNLDD1D2HH1H2W(kg)
200526195239410815325410277
H664H-150Lb
DNLDD1D2HH1H2W(kg)
361448880940113014107607002043
42160010001080124016108607552714
H664H-600Lb
DNLDD1D2HH1H2W(kg)
6"526140170305984305341164.5
16"8703644246001205450535798

 

H744H-25
DNLDD1D2H1H2bn-dw(kg)
125400270220188355.5572288-Ф25129
H744H-40
DNLDD1D2D3H1H2bff1w(kg)
200550375320282260450.55723834.5253
250650445385345313472.57654234.5304
H744H-64
DNLDD1D2D3bff1H1H2n-dw(kg)
1004302502001681503234.53207658-Ф25136
1505503402802402043834.53907658-Ф34218
2006504053453002604234.5432.5765
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