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4000系列Y型升降式止回閥

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產(chǎn)品型號4000系列Y型升降式止回閥

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4000系列Y型升降式止回閥漢考克4000系列Y型升降式止回閥的設(shè)計為ASME鍋爐及壓力容器規(guī)范第I位置，而且對于那些無泄漏流動逆轉(zhuǎn)預(yù)防是很有必要的應(yīng)用程序推薦。4080類型尤其在高壓，高溫蒸氣，水及化學(xué)應(yīng)用效率。

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4000系列Y型升降式止回閥
漢考克4000系列Y型升降式止回閥的設(shè)計為ASME鍋爐及壓力容器規(guī)范第I位置，而且對于那些無泄漏流動逆轉(zhuǎn)預(yù)防是很有必要的應(yīng)用程序推薦。4080類型尤其在高壓，高溫蒸氣，水及化學(xué)應(yīng)用效率。

Series 4000 Y-Pattern Lift Check Valves

  • Description
  • Specifications
  • Documentation

Hancock 4000 Series Y-Pattern 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 type 4080 is especially efficient in high pressure, high temperature steam, water and chemical applications.

Features & Benefits:

  • All valves are equipped with high temperature Inconel® springs as standard equipment.
  • Disc is fully guided and vented for accurate seat contact, smooth operation and maximum lift.
  • Spring-loaded disc ensures positive closure, regardless of mounting position.
  • The stainless steel disc is hardened, ground and lapped to ensure leak-free sealing over the valve’s full pressure/temperature range.
  • All internal surfaces are accurately machined to provide maximum performance.
  • Seat is overlaid with Stellite or equal hardfacing.
  • The integral seat hardfacing is overlaid directly on to the base material, eliminating any possibility of leakage behind the seat.
  • Flat, precision machined and lapped seating surfaces eliminate damage from high impact seating.
  • Socket weld and butt weld ends are available as standard.
  • Standard body materials are carbon steel (ASME SA105), alloy steel (ASME SA 182 Gr. F22) and stainless steel (ASME SA 182 Gr. F316).
  • All standard valves are made from one-piece die forged bodies.
  • Bonnets and discs are machined from barstock.
  • Full compliance with Section 1 of the ASME Boiler and Pressure Vessel Code and ASME/ANSI B16.34.
Specifications
Sizes: 1/2" to 4"; Class 1690, Class 2680, Class 4500

關(guān)鍵詞：升降式止回閥 止回閥

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