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J45/65YY cut-off valve
Product Name:
J45/65YY cut-off valve
Description:

Y型截止閥 J45/65Y

產品引(yin)用標準:

  “Y”型截止閥和止回閥閥門符合ANSI B16.34。檢驗與測試按API598,標記按MSS-SP-25。

產(chan)品(pin)結構特點:


  “Y”型鍛鋼閥有三種閥蓋設計形式。第一種是螺栓式閥蓋,按這種設計形式設計的閥門,其閥體與閥蓋用螺栓螺母連接,纏繞式墊片(316夾柔性石墨制造)密封。客戶有特殊要求時也可采用金屬環連接。第二種設計形式是焊接式閥蓋,按這種形式設計的閥門,其閥體與閥蓋用螺紋連接,全焊密封。客戶有特殊要求時也可采用全焊二連接。第三種為壓力自緊式閥蓋,按這種形式設計的閥門,其閥體與閥蓋用螺紋連接,內壓自密封環密封。

  可設計成“Y”型閥的有截止閥和止回閥。

  采用以下結構

  全徑或縮徑
  升降式和球式止回閥
  按需內置彈簧
  可拆卸實心閥瓣
  自定心壓板壓套式
  整體式上密封座
  明桿支架型(OS&Y)
  螺栓連接、纏繞墊片密封式閥蓋,螺紋連接、全焊密封式閥蓋以及螺紋連接內壓自緊式閥蓋
  承插端符合ASME B16.11
  螺紋連接端(NPT)符合ANSI/ASME B1.20.1
  閥瓣可變換為針型、節流型、球型、止回型


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