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  • 產(chǎn)品名稱：5540升降式止回閥

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5540升降式止回閥 彈簧加載，截止式升降式止回閥可安裝在任何位置都在水平和垂直管道的應(yīng)用。5540系列升降式止回閥的設(shè)計(jì)為ASME鍋爐及壓力容器規(guī)范第I位置，而且對(duì)于那些無(wú)泄漏流動(dòng)逆轉(zhuǎn)預(yù)防是很有必要的應(yīng)用程序推薦。5540是特別的高溫/高壓蒸氣，水及化學(xué)應(yīng)用效率。
詳情介紹：
5540升降式止回閥
彈簧加載，截止式升降式止回閥可安裝在任何位置都在水平和垂直管道的應(yīng)用。5540系列升降式止回閥的設(shè)計(jì)為ASME鍋爐及壓力容器規(guī)范第I位置，而且對(duì)于那些無(wú)泄漏流動(dòng)逆轉(zhuǎn)預(yù)防是很有必要的應(yīng)用程序推薦。5540是特別的高溫/高壓蒸氣，水及化學(xué)應(yīng)用效率。

Type 5540 Globe Style Lift Check Valve

  • Description
  • Specifications
  • Documentation
Hancock Gate, Globe, Check Valves, Check Valves, Extraction Check, Hancock Type 5540 Lift Check Valves 

Spring loaded, globe style lift check valve may be installed in any position, both in horizontal and vertical piping applications. 5540 series lift check valves are designed for ASME Boiler and Pressure Vessel Code, Section I locations and are recommended for applications where leak-tight prevention of flow reversal is required. The 5540 is especially efficient in high temperature/high pressure steam, water and chemical applications.

Features & Benefits:

  • Disc is spring loaded for positive closure in any position.
  • The disc is hardened, ground and lapped, to ensure leak free sealing over the valve’s full pressure temperature range.
  • Seat is overlaid with Stellite or equal hardfacing.
  • The integral seat hardfacing is overlaid directly onto the body base material, eliminating any possibility of leakage behind the seat.
  • Flat, precision machined and lapped seating surfaces eliminate damage from high impact seating.
  • All internal surfaces are accurately machined to provide maximum performance.
  • Socket weld ends standard.
  • Standard body and bonnet materials are carbon steel (ASME SA105).
  • Code compliance with ASME/ANSI 16.34 and the ASME Boiler and Pressure Vessel Code, Section I.
     
Specifications
Sizes: 1/2" to 2"; Class 800 LTD class
 
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