| 概述 該閥結構設計新穎合理，形體小、重量輕，密封性能良好，流通能力強流阻?。哂芯忛]消聲、無振動、無噪音功能?？筛鶕煌乃疀r調節(jié)優(yōu)良的緩閉時間，消除水錘。主要用于高層建筑及消防系統(tǒng)等給排水管道上，安裝在水泵的出口處，用以截斷介質的回漢，消除破壞性水錘，保證管路、水泵的安全運行，具有較好的節(jié)能效果。 | Overview The valve is featured by original structure, reasonable design,small profile, lightweight, outstanding sealing performance, strong circutating capability, little flow resistance, slow shut, noise elimina-tion, no vibration and noise. Functioned to effect optimal time for slow shut and for eliminating water hammer according to different occasions, triis valve is mainly used in water supply and drainage pipeline in highrises and fire control system, and mounted at the out-led of pump to cut off backflow of medium, eliminate destructive wa-ter hammer, ensure the safe operation of pipeline and pump, and ac-tualize distinguished energy-saving effect. |
| 結構示意圖Structural Diagram  | 安全示意圖Install the sketch map  |
主要技術性能Main technical feature
| 零件名稱 Name | 閥體 Valve Body | 閥瓣 Disc | 閥桿 Valve Stem | 扭力彈簧 Torsion spring | 油缸、活塞 Cylinder，piston | 密封 Seal |
| 材料 Material | 灰鑄鐵、鑄鋼、不銹鋼 Gray casting，casts steel sainless steel | 碳鋼 Carbon steel | 不銹鋼 Stainless Steel | 不銹鋼 Stainless Steel | 不銹鋼 Stainless Steel | 丁晴橡膠 Nitrile-butadiene Rubber |
主要零件材質Main Parts and Materials
| 公稱壓力 PN（MPa） | 試驗壓力Ps（MPa） | 工作溫度（℃） Working Temperature | 適用介質 Applicable Medium | |
| 殼體Shell | 密封Seal | |||
| 1.0 | 1.5 | 1.1 | ≤80 | 水、源水 Make water |
| 1.6 | 2.4 | 1.8 | ||
| 2.5 | 3.8 | 2.8 | ||
主要外形尺寸及連接尺寸Main External Dimensions and Connecting Dimensions
| DN （mm） | L | H | H1 | 參考重量（kg） Consult weight |
| 50 | 150 | / | 200 | 13 |
| 65 | 170 | / | 210 | 15 |
| 80 | 180 | / | 225 | 18.5 |
| 100 | 190 | 240 | 235 | 22.8 |
| 125 | 200 | 260 | 245 | 26.6 |
| 150 | 210 | 275 | 275 | 34.5 |
| 200 | 230 | 305 | 310 | 51 |
| 250 | 250 | 340 | 340 | 79 |
| 300 | 270 | 370 | 365 | 89 |
| 350 | 290 | 400 | 420 | 142 |
| 400 | 310 | 435 | 460 | 170 |
| 450 | 330 | 470 | 695 | 206 |
| 500 | 350 | 500 | 530 | 315 |
| 600 | 390 | 560 | 605 | 517 |
| 700 | 430 | 620 | 700 | 720 |
| 800 | 470 | 680 | 790 | 905 |
| 900 | 510 | 740 | 900 | 1500 |
| 1000 | 550 | 800 | 970 | 2000 |
| 1200 | 630 | 920 | 1110 | 2600 |
| 1400 | 710 | / | 1200 | - |
| 1600 | 790 | / | 1400 | - |
| 1800 | 870 | / | 1600 | - |
| 2000 | 950 | / | 1800 | - |
法蘭尺寸按JB/T78、JB/T79-1994.
The size of flange presses JB/T78,JB/T9-1994,L1 is the size of HYH46H-ON25.
