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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(jì)為ASME鍋爐及壓力容器規(guī)范第I位置，而且對(duì)于那些無泄漏流動(dòng)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。

詳細(xì)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(shè)計(jì)為ASME鍋爐及壓力容器規(guī)范第I位置，而且對(duì)于那些無泄漏流動(dòng)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

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4000系列Y型升降式止回閥

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Series 4000 Y-Pattern Lift Check Valves

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