| 產(chǎn)品參數(shù) |
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| 品牌 | 美國(guó)NIBCO尼必可閥門 |
| 結(jié)構(gòu)形式 | 垂直板式 |
| 3C閥門類別 | 工業(yè) |
| 加工定制 | 否 |
| 連接形式 | 對(duì)夾 |
| 適用介質(zhì) | 水 |
| 壓力環(huán)境 | 常壓 |
| 工作溫度 | 常溫 |
| 標(biāo)準(zhǔn) | *** |
| 流動(dòng)方向 | 單向 |
| 驅(qū)動(dòng)方式 | 手動(dòng) |
| 零部件及配件 | 閥體 |
| 類型(通道位置) | 二通式 |
| 口徑 | 50 |
| 公稱通徑 | 50 |
| 規(guī)格 | 50 |
| 可售賣地 | 全國(guó) |
| 用途 | 截止 |
| 材質(zhì) | 球墨鑄鐵 |
| 型號(hào) | LD-3510-4 | |
美國(guó)NIBCO尼必可LD-3510-4渦輪信號(hào)蝶閥概述
MATERIAL LIST
PART SPECIFICATION
1.?Stem Stainless Steel ASTM 582 Type 416
2.?Collar Bushing Brass ASTM B124
3.?Upper Bushing Copper Alloy CDA 122
4.?Stem Seal EPDM
5.?Body Seal EPDM
6.?Disc Ductile Iron ASTM 395 (Nickel Plated)
7.?Liner EPDM
8.?Lower Bushing Copper Alloy CDA 122
9.?Nameplate Aluminum
10.?Body Ductile Iron ASTM A536
11.?Gear Operator Cast Iron and Steel
12.?Indicator Flag Cast Iron
13.?Handwheel Cast Iron
WD-3510-8
Wafer
(4" Shown)
250 PSI/17.2 Bar Non-Shock Cold Water
DESIGNED TO COMPLY WITH MSS SP-67 ? UL/ULC LISTED ? FM APPROVED ?
2" - 12" UL/FM LISTED FOR INDOOR AND OUTDOOR SERVICE ? APPROVED BY NEW
YORK CITY MEA 90-07-E ? CALIFORNIA STATE FIRE MARSHAL
LISTING NO. 7770-1243:104 ? U.S. COAST GUARD "Category A"
(10" Shown)
250 PSI WWP UL/FM Butterfly Valves
Fire Protection Valve ? Wafer or Lug Style Body ? Molded in Seat ? Accepts Internal
Supervisory Switches ? Mates with C.I. Class 125/Steel Class 150 Flanges
-8 version has two factory mounted internal supervisory switches. -4 version has no switches.
Note: Wafer body will mate with ANSI or ISO flanges. O.D. of wafer body notched to fit ISO bolt circle.
For dead-end service use lug style (rated 200 PSI for this service).
DIMENSIONS—WEIGHTS—QUANTITIES Dimensions
?Size A B C D E F G H I J
In.?mm.?In.?mm.?In.?mm.?In.?mm.?In.?mm.?In.?mm.?In.?mm.?In.?mm.?In.?mm.?In.?mm.?In.?mm. 2 50 2.53 64 4.88 124 4.62 117 5.38 137 2.88 73 6.89 175 12.75 324 1.68 43 1.81 46 2.91 74
21?? 65 2.90 74 5.62 143 5.12 130 5.88 149 3.25 83 7.36 187 13.63 346 1.81 46 1.94 49 2.91 74
3 80 3.17 81 6.12 155 5.50 140 6.12 155 3.38 86 7.60 193 14.00 356 1.81 46 1.94 49 2.91 74
4 100 4.17 106 7.00 178 8.25 210 6.88 175 4.00 102 8.39 213 15.38 391 2.06 52 2.19 56 2.91 74
5 125 5.17 131 8.25 210 9.38 238 7.38 187 4.75 121 8.86 225 16.63 422 2.19 56 2.31 59 2.91 74
6 150 6.17 157 9.25 235 10.25 260 8.00 203 5.25 133 9.49 241 17.75 451 2.19 56 2.31 59 2.91 74
8 200 8.17 208 11.62 295 12.38 314 9.25 235 6.50 165 10.75 273 20.25 514 2.38 60 2.50 64 2.91 74
10 250 10.17 258 14.25 362 15.50 394 10.50 267 8.00 203 12.28 312 23.50 597 2.68 69 2.81 71 3.90 99
12 300 12.17 309 16.75 425 18.25 464 12.00 305 9.25 235 13.78 350 26.25 667 3.00 76 3.12 79 3.90 99
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