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EZH（彈簧關閉式）和 EZHSO（彈簧開啟式）系列調壓器是先導式壓力平衡型軟閥座調壓器。 這兩種調壓器用于高壓天然氣輸送/城市門站、大流量分輸系統和發電廠的氣源供應。 它們具有運行平穩可靠、關斷嚴密和使用壽命長等優點。廣州奧麗斯特燃氣設備有限公司是美國FISHER產品華南區域（廣東省）艾默生集團授權代理商。2020美國FISHER技術選型020*叁貳貳0162張S費希爾調壓網 【張工同微XIN】

功能

完全無大氣排放—利用先導式控制系統將所有氣體排放至下游系統，因此不會將任何有害廢氣排放至空氣中。

氣密切斷—銳利的金屬塞和軟閥座提供氣密切斷，可用于終端系統等需要正壓關閉的應用。

在嚴酷的工況下具有很長的使用壽命—金屬塞設計可使顆粒和碎屑偏離軟閥座，提供的顆粒侵蝕阻力，延長使用壽命。

故障模式選項—可以利用 EZHSO 型彈簧開啟式設計實現長的正常運行時間，利用 EZH 型彈簧關閉式設計保護下游資產。 對很多客戶來說，通過 EZHSO 型調壓器和 EZH 型監測器融合這兩種技術可以讓這兩種裝置發揮出大功效。

壓力控制—無論負載或入口壓力如何變化，都能夠提供穩定、的下游壓力控制。

安靜運行—Whisper Trim? 閥籠選件可以降低多達 8 dBA 的源頭噪聲，因此無需投入大量成本進行管路處理，例如緣、埋閥和使用只會屏蔽噪聲的外殼。

完整的壓力等級—1500 psig/103 bar 相等的入口和出口壓力等級，更易選擇，無需特殊的啟動或關閉程序。

集成式快速切斷配置—當出現過壓和失壓時，EZHOSX 和 EZHSO-OSX 型通過關閉氣體停止供氣。

規格

可選配置

EZH 型（彈簧關閉式）和 EZHSO（彈簧開啟式）：控制范圍為 14.5 至 1160 psig/1 至 80 bar
EZHOSX 型和 EZHSO-OSX 型：帶有集成式 OS2 型快速切斷裝置的 EZH 和 EZHSO 型

閥體尺寸和端面連接方式

閥體尺寸：NPS 1、2、3、4/DN 25、50、80、100
端部連接：NPT、CL150 RF、CL300 RF、CL600 RF、BWE、SWE

允許的大壓力

入口壓力：1500 psig/103 bar
出口（殼體）壓力：1500 psig/103 bar
緊急殼體壓力：1500 psig/103 bar

出口壓力范圍

14.5 至 1160 psig/1.0 至 80.0 ba

溫度適用范圍

丁腈橡膠 (NBR) 型號：-20 至 180°F/-29 至 82°C
氟橡膠 (FKM) 型號：0 至 180°F/-18 至 82°C

EZH (Spring-to-Close) and EZHSO (Spring-to-Open) Series regulators are accurate pilot-operated, pressure balanced, soft-seated regulators. They are designed for use in high pressure natural gas transmission/city gate stations, large capacity distribution systems, and power plant feeds. They provide smooth, reliable operation, tight shutoff and long life.

Features

Absolutely No Atmospheric Bleed—Eliminates nuisance and wasteful bleed gas to atmosphere by utilizing a pilot-operated control system, which bleeds of the gas to the downstream system.

Bubble-Tight Shutoff—A knife-edged metal plug and soft seat provide bubble tight shutoff for use in applications where positive shutoff is required such as dead-end systems.

Long Life in Severe Service Applications—The metal plug design deflects particles and debris away from the soft-seat, which gives excellent particle erosion resistance, prolonging service life.

Failure Mode Options—The Type EZHSO spring-to-open design can be utilized to maximize uptime while the Type EZH spring-to-close design can be utilized to protect downstream assets. For many customers, combining the two technologies with a Type EZHSO worker and Type EZH monitor incorporates the best of both worlds.

Precise Pressure Control—Provides stable and accurate downstream pressure control regardless of load changes or inlet pressure variations.

Quiet Operation—The Whisper Trim? Cage option reduces noise by up to 8 dBa at the source, eliminating the need for expensive path treatments such as insulation, buried valves, and enclosures which only mask noise.

Full Pressure Rating—The equal inlet and outlet pressure rating of 1500 psig / 103 bar, which allows easier selection and requires no special startup or shutdown procedures.

Integral Slam Shut Configurations—Types EZHOSX and EZHSO-OSX discontinue gas service by shutting the gas off if there is an overpressure or underpressure condition.

Specifications

Available Configurations Type EZH (Spring-to-Close) and EZHSO (Spring-to-Open): Control range of 14.5 to 1160 psig / 1 to 80 bar

Type EZHOSX and EZHSO-OSX: Type EZH and EZHSO with integrated Type OS2 slam-shut device

Body Sizes and End Connection Styles Body Sizes: NPS 1, 2, 3, 4, 6, 8, 12x6 / DN 25, 50, 80, 100, 150, 200, 300x150

End Connections: NPT, CL150 RF, CL300 RF, CL600 RF, BWE, SWE

Maximum Allowable Pressures Inlet Pressure: 1500 psig / 103 bar

Outlet (Casing) Pressure: 1500 psig / 103 bar

Emergency Casing Pressure: 1500 psig / 103 bar

Outlet Pressure Range 14.5 to 1160 psig / 1.0 to 80.0 bar

Temperature Capabilities Nitrile (NBR) Version: -20 to 180°F / -29 to 82°C

Fluorocarbon (FKM) Version: 0 to 180°F / -18 to 82°C

Polyurethane (PU): All body sizes except NPS 3 to 4 / DN 80 to 100: -22 to 180°F / -30 to 82°C, NPS 3 to 4 / DN 80 to 100 Sizes: -4 to 180°F / -20 to 82°C

Fisher China Guangzhou Honest Gas Equipment Co., LTD.  

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