功能
較高測量精度
卓越的泄壓性能
材質(zhì)耐腐蝕
入口濾網(wǎng)
進出口壓力表取壓孔，便于系統(tǒng)維護
正向排水
建議更換壽命為 20 年
UL 認證
規(guī)格
可選配置
R622 型（標準）：帶直連閥體設(shè)計的二級調(diào)壓器 
R642 型：帶 90° 閥體設(shè)計的二級調(diào)壓器，適合計量裝置 
R652 型：用于背部安裝裝置的二級調(diào)壓器
閥體尺寸和端部連接方式（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
*大入口壓力
*大入口壓力：10 psig / 0.69 bar 
緊急入口壓力：50 psig / 3.4 bar
流通能力
*大 1.4 MBTU/hr
出口壓力范圍
9 至 20-in. w.c. / 22 至 50 mbar
取壓方式
內(nèi)取壓
溫度適用范圍
-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 FNP |
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