Fisher™ R622、R642 和 R652 系列二级调压器 - LP - Gas

功能

较高测量精度

卓越的泄压性能

材质耐腐蚀

入口滤网

进出口压力表取压孔，便于系统维护

正向排水

建议更换寿命为 20 年

UL认证

规格

可选配置

R622型（标准）：带直连阀体设计的二级调压器 
R642型：带 90° 阀体设计的二级调压器，适合计量装置 
R652型：用于背部安装装置的二级调压器

阀体尺寸和端部连接方式（入口 x 出口）

R622型：1/2 in FNPT，1/2 x 3/4 in FNPT 和 3/4 inFNPT 
R642和 R652 型：1/2 x 3/4 in FNPT，3/4 in FNPT

Zui大入口压力

Zui大入口压力：10 psig / 0.69bar 
紧急入口压力：50psig / 3.4 bar

流通能力

Zui大 1.4 MBTU/hr

出口压力范围

9至 20-in. w.c. / 22 至 50 mbar

取压方式

内取压

温度适用范围

-20°至 160°F / -29° 至 71°C

R600Series second-stage regulators are UL listed designed to reduce theoutlet pressure from a first-stage regulator in domesticinstallations. Type R622 is designed for Two-Stage domesticapplications up to 1 400 000 BTU per hour / 15,8 SCMH. Type R622contains a high performance relief valve and a large 3/4-inchscreened vent to limit downstream pressure to less than 2 psig /0,14 bar in an overpressure situation. Types R642 and R652 aredesigned in an angle body and back mounted design.

Features

ImprovedAccuracy

Superior ReliefPerformance

Corrosion-ResistantMaterials

InletScreen

TestPorts for Easy System Checks

PositiveDrainage

20-Year RecommendedReplacement Life

ULListed

Specifications

AvailableConfigurations

TypeR622 (standard): Second-stage regulator with straight-through bodydesign 
TypeR642: Second-stage regulator with 90° body design ideal for meteredinstallations 
TypeR652: Second-stage regulator designed for back mountinstallations

BodySizes and End Connection Styles (inlet x outlet)

TypeR622: 1/2-inch FNPT, 1/2 x 3/4-inch FNPT, and 3/4-inchFNPT 
TypesR642 and R652: 1/2 x 3/4-inch FNPT, 3/4-inch FNPT

Maximum InletPressures

Maximum InletPressure: 10 psig / 0,69 bar 
EmergencyInlet Pressure: 50 psig / 3,4 bar

Capacity

Upto 1.4 MBTU/hr

Outlet PressureRanges

9 to20-inches w.c. / 22 to 50 mbar

PressureRegistration

Internal

TemperatureCapabilities

-20°to 160°F / -29° to 71°C

Fisher China GuangzhouHonest Gas Equipment Co., LTD.  www.zgfisher.com

Tel:+86-020-32201622

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E-mail:363495724@qq.com