费希尔Fisher EZL系列调压器是的先导式压力平衡型软阀座调压器。 产品设计用于区域配气站以及商用/工业仪表组等天然气分输应用。 它们具有低差压、运行平稳可靠、关断严密和使用寿命长等优点。广州奥丽斯特燃气设备有限公司是美国FISHER产品华南区域（广东省）艾默生集团授权代理商。2020美国FISHER技术选型020*叁贰贰0162张S中国费希尔调压网 【张工手机同微XIN】
FISHER EZL功能特点：
低压差应用—可在压力差低至 2.9 psid / 0.2 bar d 的情况下执行的控制
气密切断—锐利的金属塞和软阀座提供气密切断，可用于终端系统等需要正压关闭的应用。
完全无大气排放—利用先导式控制系统将所有气体排放至下游系统，因此不会将任何有害废气排放至空气中。
简单直通式维护—顶部进入式设计使得维护更加简单。 无需从管线上卸下阀体即可检查、清洁及更换阀内件。
压力控制—无论负载或入口压力如何变化，都能够提供稳定、的下游压力控制。
行程指示器—简化了维护过程的检测和系统故障排查
完整压力等级—290 psig/20 bar 相等的入口和出口压力等级，更易选择，无需特殊的启动或关闭程序。
一体化切断组态—EZLOSX 型在出现过压或失压时会中断供气。
FISHER EZL规格参数：
可选配置
EZL 型：控制范围为 7 in w.c. 至 300 psig / 17 mbar 至 20.7 bar
EZLOSX 型：EZL 型带一体化 OS2 式快速关断设备
阀体尺寸和端面连接方式
阀体尺寸：NPS 2、3 或 4 / DN 50、80 或 100
阀门主体材质：WCC 或铸铁
端部连接形式：NPT、SWE、BWE、CL150 RF、CL250 RF、CL300 RF、CL600 RF 或 CL125 FF
允许的压力
入口压力：290 psig / 20.0 bar
出口（外壳）压力：290 psig / 20.0 bar
紧急外壳压力：290 psig / 20.0 bar
运行差压：290 psid / 20.0 bar d
出口压力范围
0.25 至 350 psig / 0.02 至 24.1 bar
温度适用范围
-20° 至 180°F / -29° 至 82°C
其他技术数据
Fisher EZL Series regulators are accurate pilot-operated, pressure balanced, soft-seated regulators. They are designed for use in natural gas distribution applications such as district regulating stations and commercial/industrial meter sets. They provide low differential, smooth, reliable operation, tight shutoff and long life.
Features
Low Differential Applications—Can accurately control at pressure differentials as low as 2.9 psid / 0,2 bar d
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.
Absolutely No Atmospheric Bleed—Eliminates nuisance and wasteful bleed gas to atmosphere by utilizing a pilot-operated control system, which bleeds 100% of the gas to the downstream system.
Easy In-Line Maintenance—Top entry design enables easier maintenance. Trim parts can be inspected, cleaned and replaced without removing the body from pipeline.
Precise Pressure Control—Provides stable and accurate downstream pressure control regardless of load changes or inlet pressure variations.
Travel Indicator—Simplifies in-service inspection and system troubleshooting
Full Pressure Rating—The equal inlet and outlet pressure rating of 290 psig / 20 bar, which allows easier selection and requires no special startup or shutdown procedures.
Integral Slam Shut Configurations—Type EZLOSX interrupts gas service during an overpressure or underpressure condition.
Specifications
Available Configurations
Type EZL: Control range of 7 inches w.c. to 300 psig / 17 mbar to 20,7 bar
Type EZLOSX: Type EZL with an integrated Type OS2 slam-shut device