Parker派克PR系列球閥，旋塞閥
Parker's PR Series Plug Valves

派克 PR系列旋塞閥，閉合嚴密，大流量，快速旋轉四分之一轉開關操作，結構緊湊。此款閥門也為用戶提供了優異的節流能力。派克的PR系列旋塞閥，結構緊湊，大流量，快速四分之一圈操作并保證關斷的氣密性。防吹出專利閥座設計確保在工作壓力范圍內提供可靠的密封性，普通的旋塞閥是無法實現此功能的。除了開關作用外，旋塞設計還可以實現節流作用。閥座和密封材料的多種選擇用以滿足介質的兼容性要求以及工作溫度范圍。PTFE 支撐閥體密封材料，確保可靠密封，同時延長了其循環使用壽命。

Parker's PR Series Plug Valves provide positive leak tight shut-off, high flow capacity, and quick quarter-turn operation in a compact, barstock body. This plug valve provides the user the ability to throttle during manual actuation.Parker’s PR Series Plug Valves provide positive leak tight shut-off, high flow capacity, and quick quarter-turn operation in a compact attractive package. The patented blow-out resistant seat design offers reliable sealing technology at all operating pressures not seen in general purpose plug valves. In addition to on-off actuation, the plug design allows forward flow throttling. A broad selection of valve seats and seal materials may be chosen for media compatibility and performance over a broad range of temperatures. The pressure balanced atmospheric seals are backed by PTFE rings to enhance their performance and increase cycle life.

Parker Ball and Plug Valves
Parker PR Series Plug Valve

市場：

- 石油與天然氣
- 科研
- 化工
- 大學實驗室

特點/優勢：

- 獲得專利的防吹出閥座設計
- 壓力可達3,000 psig (207 bar)CWP
- 四分之一圈操作
- 可靠的簡易設計
- 直通流道
- 不銹鋼或銅材質閥體
- 多種閥座和密封材料可選：丁腈橡膠，乙丙橡膠，氟橡膠和高氟橡膠。
- PTFE支撐環與密封圈配合使用
- 操作扭矩小
- 壓降小
- 具有節流功能
- 手柄限位銷
- 帶有流向標識的彩色抗裂尼龍手柄
- 易于維護
- 100%出廠檢測
- 可選輔件包括鎖定裝置，下游排放孔以及不銹鋼T型手柄

應用：

- 控制盤Control Panels
- R&D實驗室R&D Labs
- 特種氣體系統Specialty Gas Systems
- 化學品輸送Chemical delivery
- 加氣站Fill stations

性能特點

連接1尺寸 1/8" to 1/2"
連接2尺寸 1/8" to 1/2"
連接器1類型 雙卡套，單卡套，NPT內螺紋，NPT外螺紋
連接器2類型 雙卡套，單卡套，NPT內螺紋，NPT外螺紋
流體容量(CV) .22, 1.24, 1.02, 1.18, 3.19
密封材料 丁腈橡膠
擋圈材料 聚四氟乙烯
最大操作壓力（PSI) 3,000
最大操作壓力（BAR) 207
閥體材料 316不銹鋼，銅

資料與樣本

球閥和旋塞閥 Catalog 4121-BV-CH（內容主要包括：儀表級、球閥、旋塞閥） --15-09-B ING-CH-58P-0254

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PR Series Plug Valve