FisherR622、R642、R652系列二级调压器功能特点：
较高测量精度
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
FisherR622、R642、R652系列二级调压器规格：
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 in FNPT
R642 和 R652 型：1/2 x 3/4 in FNPT，3/4 in FNPT
入口压力
入口压力：10 psig / 0.69 bar
紧急入口压力：50 psig / 3.4 bar
流通能力
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
单位名称：广州奥丽斯特燃气设备有限公司
联系方式：陆熙020-82329625，13710361260
邮件地址：1318120303@qq.com
单位地址：广东省广州市天河区珠村东环路110号珠园大厦402室
R600 Series second-stage regulators are UL listed designed to reduce the outlet pressure from a first-stage regulator in domestic installations. Type R622 is designed for Two-Stage domestic applications up to 1 400 000 BTU per hour / 15,8 SCMH. Type R622 contains a high performance relief valve and a large 3/4-inch screened vent to limit downstream pressure to less than 2 psig / 0,14 bar in an overpressure situation. Types R642 and R652 are designed in an angle body
Features
Improved Accuracy
Superior Relief Performance
Corrosion-Resistant Materials
Inlet Screen
Test Ports for Easy System Checks
Positive Drainage
20-Year Recommended Replacement Life
UL Listed
Specifications
Available Configurations
Type R622 (standard): Second-stage regulator with straight-through body design
Type R642: Second-stage regulator with 90° body design ideal for metered installations
Type R652: Second-stage regulator designed for back mount installations
Body Sizes and End Connection Styles (inlet x outlet)
Type R622: 1/2-inch FNPT, 1/2 x 3/4-inch FNPT, and 3/4-inch FNPT
Types R642 and R652: 1/2 x 3/4-inch FNPT, 3/4-inch FNPT
Maximum Inlet Pressures
Maximum Inlet Pressure: 10 psig / 0,69 bar
Emergency Inlet Pressure: 50 psig / 3,4 bar
apacity
Up to 1.4 MBTU/hr
Outlet Pressure Ranges
9 to 20-inches w.c. / 22 to 50 mbar
Pressure Registration
Internal
Temperature Capabilities
-20° to 160°F / -29° to 71°C
Approximate Weight
1.4 Pounds / 635 grams
Unit name：Guangzhou honest Gas Equipment Co.,Ltd
Contact information：020-82329625，13710361260
Email：1318120303@qq.com
Unit address：Room 402,Zhuyuan building,No.110,East Ring Road,Zhucun,Tianhe District,Guangzhou,Guangdong Province,China
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