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  • 產(chǎn)品名稱：200系列**閥

  • 產(chǎn)品型號：200系列**閥
  • 產(chǎn)品廠商：其它品牌
  • 產(chǎn)品文檔：
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簡單介紹：
200系列**閥 安德森格林伍德的200系列流行的行動，**閥與非流動試點，提供系統(tǒng)超壓保護你可以指望。自1966年推出，它一直不斷完善，仍然是對所有其他試點操作閥進行比較的標準。這種閥門非常適合氣體，蒸氣，許多混相服務(wù)，包括骯臟和/或潮濕的申請。
詳情介紹：
200系列**閥
安德森格林伍德的200系列流行的行動，**閥與非流動試點，提供系統(tǒng)超壓保護你可以指望。自1966年推出，它一直不斷完善，仍然是對所有其他試點操作閥進行比較的標準。這種閥門非常適合氣體，蒸氣，許多混相服務(wù)，包括骯臟和/或潮濕的申請。


Series 200 Pop Action Safety Valve

  • Description
  • Specifications
  • Documentation
Anderson Greenwood Pressure Relief Valves, Pilot Operated Valves, Snap Acting, Anderson Greenwood Series 200 Pop Action Safety Valve (POPRV)

Anderson Greenwood’s Series 200 pop action, safety valve, with non-flowing pilot, provides system overpressure protection you can count on. Since its 1966 introduction, it has been continuously refined and remains the standard against which all other pilot operated valves are compared. This valve is well suited for gas, vapor, and many mixed phase services, including dirty and/or wet applications.
The Series 200 is available with effective orifice areas of 0.110 to 63.50 in2 [0.710 to 409.7 cm2], valve inlet sizes 1" to 10" [25 mm to 254 mm], set pressures from 25 to over 6000 psig [1.72 to over 413.7 barg], and continuous service temperatures from -423°F to +600°F [-253°C to +315°C]

Features & Benefits:

  • Designed to provide a safe, efficient method of switching from an active pressure relief device to a standby, maintaining system overpressure protection regardless of Safety Selector Valve position.
  • Provides high Cv values, resulting in less than 3% pressure drop to the active PRV inlet, when used with the largest API orifice available in a given valve size, in accordance with the recommendations of API RP520 Part II and ASME Section VIII, Division 1, Appendix M, helping reduce the possibility of destructive chatter of the PRV.
  • Requires only one minimally sized penetration into the vessel or pipe, reducing costs.
  • Reduces field installation costs and space requirements through preassembled and compact design.
  • Provides process isolation of standby pressure relief device.
  • Allows pressure relief device maintenance without process shutdown.
  • A bleed valve is provided under each safety relief device as an effective and safe means of venting entrapped process under an isolated pressure relief valve prior to removal for maintenance.
  • Bright red indicator for positive indication of active pressure relief device.
  • Meets all mandatory requirements of ASME Section VIII, Division 1, UG-135 (b).
  • Foolproof provisions for dual padlocking in either pressure relief valve position, in accordance with the recommendations of ASME Section VIII.
  • Packing design has been tested to ASTM E427, Method A halogen leak test, reducing probability of fugitive emissions.
  • No seat lapping required for maintenance. Only recommended spare parts are soft goods, which reduces cost of ownership.
  • Meets standard temperature applications from cryogenic to +800°F [427°C].
  • Offers materials of construction compatible with pressure relief devices. Duplex and 6MO material available.
  • Helps deliver a reduced number of leak points to atmosphere, reducing probability of fugitive emissions.
  • Isolates a standby pressure relief valve in accordance with joint recommendation of API Subcommittee on Pressure Relieving Systems and Subcommittee on Refinery Inspection.
  • Type approval by Det Norske Veritas (DNV).
  • Simplicity of operation with built-in seat equalization and no special tools minimizes total time to operate valve.
Specifications

Orifice Sizes: D through T, Full bore valves also available
Connections: 1" x 2" to 8" x 10" (8" x 10" x 10" for full bore)
Inlet Flange Ratings: ANSI 150, 300, 600, 900, 1500, 2500
Maximum Range: -423°F to +500°F [-253°C to +260°C]
Minimum Pressure: 25 psig [1.72 barg]
Maximum Pressure: 10,000 psig [690 barg]


 
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