Fisher™ R622、R64

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