產(chǎn)品簡介:
本系列產(chǎn)品可用在清水、污水、海水等介質(zhì)的排水水泵出口管道上，既能用于防止停泵時(shí)有壓水流對(duì)水泵的沖擊，又能防止介質(zhì)的倒流，保證管線的使用安全。它具有結(jié)構(gòu)新穎、體積小、重量輕、流體阻力小、密封可靠、啟閉平穩(wěn)、使用壽命長、關(guān)閉無噪聲等特點(diǎn)。
Product Brief Introduction:
The valve is installed at the outlet of pump and suited to prevent media from flowing backwards and eliminate effectively damageable water hammer in pipelines flowing media of fresh water , polluted water , sea water. It has character as followings: modern structure ,small volume ,light weight ,low resistance ,reliable seal ,stable operation , long duration ,small volume.
主要性能參數(shù)：Main Performance Parameters:
| 公稱壓力Nominal Pressure( bar) | 10 | 16 |
| 適用溫度 Suitable Temp ( oC ) | ≤85 |
試驗(yàn)壓力（MPa） TestingPressure | 殼 體Shell | 1.5 | 2.4 |
| 密 封Seal | 1.1 | 1.76 |
| 適用介質(zhì) Suitable Media | 水、污水、海水等 Water, polluted water , sea water |
| 設(shè)計(jì)標(biāo)準(zhǔn)Design Standard | GB/T 12232-2005 |
試驗(yàn)檢驗(yàn)標(biāo)準(zhǔn) Test and check up standard | GB/T 13927-1992 |
| 結(jié)構(gòu)長度標(biāo)準(zhǔn)Face to face dimensions | GB/T 12221 |
| 法蘭連接標(biāo)準(zhǔn)Flange Standard | GB/T 17241.6-98 |
主要零部件材質(zhì)：Materials of Main Parts:
名 稱 Name | 材 料 Material |
閥 體 Body | 灰鑄鐵，鑄鋼 Cast Iron，Carbon Steel |
閥瓣Valve petal | 不銹鋼Stainless Steel |
閥桿、活塞Stem、Piston | 不銹鋼Stainless Steel |
彈 簧Spring | 不銹鋼Stainless Steel |
閥 座Seat | 不銹鋼Stainless Steel |
主要外形尺寸及連接尺寸：Outline Dimensions & Connection Dimensions:
DN(mm) | D | D1 | D2 | n-Φd | L | H |
50 | 165 | 125 | 100 | 4-Φ18 | 230 | 260 |
65 | 185 | 145 | 120 | 4-Φ18 | 290 | 320 |
80 | 200 | 160 | 135 | 8-Φ18 | 310 | 254 |
100 | 220 | 180 | 155 | 8-Φ18 | 350 | 288 |
125 | 250 | 210 | 185 | 8-Φ18 | 400 | 325 |
150 | 285 | 240 | 210 | 8-Φ23 | 480 | 400 |
200 | 340 | 295 | 265 | 12-Φ23 | 500 | 460 |
250 | 395/405 | 350/355 | 320 | 12-Φ23/12-Φ28 | 600 | 510 |
300 | 445/460 | 400/410 | 375/370 | 12-Φ23/12-Φ28 | 700 | 590 |
350 | 505/520 | 460/470 | 435/429 | 16-Φ23/16-Φ28 | 800 | 650 |
400 | 565/580 | 515/525 | 482/480 | 16-Φ28/16-Φ31 | 900 | .750 |
500 | 670/715 | 620/650 | 608/608 | 20-Φ28/20-Φ34 | 1100 | 860 |
600 | 780/840 | 725/770 | 718/720 | 20-Φ31/20-Φ37 | 1300 | 1030 |
700 | 895/910 | 840/840 | 788/794 | 24-Φ30/24-Φ37 | 1400 | 1270 |
800 | 1015/1025 | 950/950 | 898/901 | 24-Φ33/34-Φ41 | 1500 | 1510 |
注：“/"上面尺寸為PN1.0Mpa尺寸，“/"下面尺寸為PN1.6Mpa尺寸。
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