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    4000系列Y型升降式止回閥

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    產品名稱: 4000系列Y型升降式止回閥
    產品型號: 4000系列Y型升降式止回閥
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    簡單介紹

    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計為ASME鍋爐及壓力容器規范第I位置,而且對于那些無泄漏流動逆轉預防是很有必要的應用程序推薦。4080類型尤其在高壓,高溫蒸氣,水及化學應用效率。

    4000系列Y型升降式止回閥的詳細介紹

    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計為ASME鍋爐及壓力容器規范第I位置,而且對于那些無泄漏流動逆轉預防是很有必要的應用程序推薦。4080類型尤其在高壓,高溫蒸氣,水及化學應用效率。

    Series 4000 Y-Pattern Lift Check Valves

    • Description
    • Specifications
    • Documentation
    Hancock Gate, Globe, Check Valves, Check Valves, Y-Pattern, Hancock Series 4000 Y-Pattern Globe Lift Check Valves 

    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
     
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