上海帕基諾泵閥制造有限公司 
旋啟式止回閥是控制管道內介質單向流向的閥門，用來防止管路中的介質倒流。適用各種管路的各種壓力、溫度和介質下控制接通或截斷管路介質的啟閉裝置；依靠閥瓣自重和流體壓差實現(xiàn)自動阻止流體倒流。適用介質為：水、油品、蒸汽等
1、特點The characteristics of
旋啟式止回閥是控制管道內介質單向流向的閥門，用來防止管路中的介質倒流。適用各種管路的各種壓力、溫度和介質下控制接通或截斷管路介質的啟閉裝置；依靠閥瓣自重和流體壓差實現(xiàn)自動阻止流體倒流。適用介質為：水、油品、蒸汽等.Swing check valve, one-way flow of media is to control the pipe valve is used to prevent the backflow medium pipeline. Apply to all sorts of all sorts of pipeline pressure, temperature and medium under control through or truncation pipeline medium lifting device; Rely on the disc self-respect and fluid pressure differential automatically prevent fluid backflow. Applicable medium: water, oil, steam, etc.
2、主要參數(shù)The main parameters
| 型號model： PH44H/W | 工作壓力（MPa）：1.6~10.0 | 適用溫度（℃）：≤200 | |||
適用介質Applicable medium | 水、蒸汽、油品 | 弱腐蝕性介質 | |||
材料material | 閥體、閥蓋 | 碳素鋼鑄鋼 | 鉻鎳系不銹鋼Chromium nickel stainless steel | ||
閥瓣 | 碳素鋼鑄鋼 | 鉻鎳系不銹鋼 | |||
密封圈Sealing ring | 碳素鋼鑄鋼或不銹鋼Carbon steel casting and Stainless steel | ||||
3、主要連接尺寸The size and weight (單位mm)
口徑 | PN1.6/2.5MPa | PN4.0MPa | PN6.4/10.0MPa | |||||
L | H | L | H | L | H | |||
系列1 | 系列2 | 系列1 | 系列2 | |||||
DN40 | 200 | 200 | 130 | 200 | 200 | 130 | 260 | 160 |
DN50 | 230 | 230 | 135 | 230 | 230 | 135 | 300 | 170 |
DN65 | 290 | 290 | 145 | 290 | 290 | 145 | 340 | 180 |
DN80 | 310 | 310 | 175 | 310 | 310 | 175 | 380 | 245 |
DN100 | 350 | 350 | 200 | 350 | 350 | 200 | 430 | 290 |
DN125 | 400 | 400 | 255 | 400 | 400 | 255 | 500 | 320 |
DN150 | 480 | 480 | 320 | 480 | 480 | 320 | 550 | 360 |
DN200 | 495 | 550 | 380 | 533 | 550 | 380 | 650 | 430 |
DN250 | 622 | 650 | 440 | 622 | 650 | 440 | 775 | 505 |
DN300 | 698 | 750 | 480 | 711 | 750 | 520 | 900 | 555 |
DN350 | 787 | 850 | 530 | 838 | 850 | 540 | 1025 | 595 |
DN400 | 864 | 950 | 560 | 864 | 950 | 590 | 1150 | 680 |
DN450 | 978 | 1050 | 620 | 978 | 1050 | 650 | 1275 | 780 |
DN500 | 978 | 1150 | 655 | 978 | 1150 | 720 | 1400 | 970 |
4、訂貨須知Ordering instructions
a、閥門型號the valve figure number；b、閥體材質body material； c、介質media name; d、溫度temperature。
