LY CHECK VALVE
HD75X系列超薄型蝶形止回閥是我公司在引進、消化日本新技術的基礎上研制而成的高性能單向閥，廣泛適用于建材、冶金、礦山、石化、電力、給排水等行業(yè)，是旋啟式止回閥的換代產(chǎn)品。
The valve is the high performance single-direction valve designed on the base of introducing and absorbing theJapannew technology. it is widely used in building material, metallurgy, mining, oil chemical, electric power and feed water and drainage industries etc. it the new product of rotary-open type check valve
結構特點：
Structure characteristic:
HD75X系列產(chǎn)品結構新穎，體積小、重量輕、強度高，流阻系數(shù)小、水頭損失低、靈敏度高、密封性能強。密封面無磨損，使用壽命長，安全可靠。
The valve has the features of novel structure, small volume, great strength, little lost of flow resistance, little lost of water end, grate delicacy, good sealing performance, no abrasion on sealing surface, long life and safety.
性能參數(shù)：
Performance parameter:
公稱壓力 Nominal pressure | 1.0MPa | 1.6MPa | 2.5MPa |
強度試驗壓力 Intensity test pressure | 1.5MPa | 2.1MPa | 3.5MPa |
密封試驗壓力 Seal test pressure | 1.2MPa | 1.76MPa | 2.75MPa |
適用溫度 Suitable temperature | -35℃～120℃ |
適用介質 Suitable medium | 水、海水、凈化污水、蒸汽、油品等各種液體及氣體介質 Water, sea water, purified sewage, steam, oil and all kinds of liquid and gas medium |
HD75X系列 外形連接尺寸：
Appearance joint dimensions:
DN | 50 | 65 | 80 | 100 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 | 700 | 800 |
1.0 MPa | D | 102 | 122 | 133 | 158 | 212 | 268 | 320 | 370 | 430 | 482 | 532 | 585 | 685 | 800 | 905 |
H | 125 | 142 | 150 | 176 | 240 | 295 | 352 | 400 | 460 | 515 | 570 | 620 | 725 | 830 | 935 |
1.6 MPa | D | 102 | 122 | 133 | 158 | 212 | 268 | 320 | 370 | 430 | 482 | 532 | 585 | 685 | 800 | 905 |
H | 125 | 142 | 150 | 176 | 240 | 295 | 352 | 400 | 460 | 515 | 570 | 620 | 725 | 830 | 935 |
2.5 MPa | D | 102 | 122 | 133 | 158 | 212 | 278 | 335 | 390 | 450 | 505 | 555 | 615 | 720 | 820 | 930 |
H | 125 | 142 | 155 | 178 | 245 | 315 | 367 | 425 | 480 | 540 | 595 | 650 | 765 | 850 | 950 |
B | 15 | 15 | 15 | 15 | 25 | 25 | 25 | 30 | 30 | 40 | 40 | 50 | 50 | 60 | 60 |
