费希尔FISHER R600 系列二级调压器经 UL 认证，用于降低民用设施中一级调压器的出口压力。 R622 型设计用于两级调压的民用设施，最大流量可达每小时 1 400 000 BTU / 15.8 SCMH。 R622 型包含高性能泄压阀和大口径的 3/4 英寸有筛排放口，用于在过压条件下将下游压力限制在 2 psig / 0.14 bar 以下。 R642 和 R652 型为后背安装式角型阀体。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www.zgfisher.com 【张工15876552411手机同微XIN】 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 in FNPT R642 和 R652 型：1/2 x 3/4 in FNPT，3/4 in FNPT 最大入口压力 最大入口压力：10 psig / 0.69 bar 紧急入口压力：50 psig / 3.4 bar 流通能力 最大 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 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 and back mounted design. 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 Capacity 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 Fisher China Guangzhou Honest Gas Equipment Co., LTD. www.zgfisher.com Tel:+86-020-32201622 Mobile phone|weixin:15876552411 E-mail:363495724@qq.com