彈簧全啟蒸汽式安全閥_168体育网页版

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168体育网页版

網站地圖 | XML地圖 | 英文版冠高閥門.中國 | Shanghai GuanGao Valve Manufacturing Co., Ltd.
銷售電話:021-51078058
圖文傳真:021-36369121
點擊這裡給我發消息
所屬系列: 全啟式安全閥
名    稱: 彈簧全啟蒸汽式安全閥
型    号: A48Y-64/100
檢索關鍵字: 彈簧全啟蒸汽式安全閥

彈簧全啟蒸汽式安全閥産品介紹

正鋼生産的A48Y-64/100彈簧全啟蒸汽式安全閥适用于工作溫度“C型”≤425℃;“I型”≤500℃;“V型”≤500℃;的蒸汽等介質設備或管路上,在系統中起安全保護作用。當系統壓力超過規定值時,安全閥打開,将系統中的一部分氣體/流體排入大氣/管道外,使系統壓力不超過允許值,從而保證系統不因壓力過高而發生事故。

彈簧全啟蒸汽式安全閥執行标準

設計規範:GB/T 12243
結構長度:GB/T 12221
法蘭連接:JB/T 79
試驗與檢驗:GB/T 12242
産品标識:GB/T 12220
供貨規範:JB/T 7928

彈簧全啟蒸汽式安全閥零部件材料

NO 零件名稱 A48Y-C A44Y-C 材料 A44Y-P材料 A44Y-R材料
1 閥體 WCB ZG1Cr18Ni9Ti CF8M
2 閥座 2Cr13 1Cr18Ni9Ti 316
3 調節圈 ZG2Cr13 ZG1Cr18Ni9Ti 0Cr18Ni12Mo2Ti
4 反沖盤 ZG2Cr13 ZG1Cr18Ni9Ti 316
5 閥瓣 2Cr13 1Cr18Ni9Ti 316
6 導向套 2Cr13 1Cr18Ni9Ti 0Cr18Ni12Mo2Ti
7 閥蓋 ZG230-450 ZG230-450 ZG230-450
8 彈簧 50CrVA 50CrVA包覆氟塑料 50CrVA包覆氟塑料
9 閥杆 2Cr13 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
10 扳手 ZG200-400 ZG200-400 ZG200-400
11 調整螺杆 45 2Cr13 2Cr13
12 保護罩 ZG200-400 ZG200-400 316
13 密封面材料 堆焊Co基硬質合金

彈簧全啟蒸汽式安全閥結構及連接尺寸

型号 通徑 do D K g g1 b f f1 Z-ød DN' D1 K1 g3 g2 b1 f' f1' Z1-ød1 L L1 ≈H
                                             
A48Y-64 A44Y-64 A44Y-64P A44Y-64R 20 10 125 90 51 68 22 2 4 4-18 25 115 85 58 65 16 2 4 4-14 96 85 297
25 16 140 100 58 78 22 2 4 4-18 32 140 100 66 78 18 2 4 4-18 110 100 310
32 20 155 110 66 82 24 2 4 4-23 40 150 110 76 85 18 3 4 4-18 130 110 322
40 25 170 125 76 95 24 3 4 4-23 50 165 125 88 100 20 3 4 4-18 135 120 352
50 32 180 135 88 105 26 3 4 4-23 65 185 145 110 120 22 3 4 8-18 155 135 425
65 40 205 160 110 130 28 3 4 8-23 80 200 160 121 135 22 3 4 8-18 175 160 570
80 50 215 170 121 140 30 3 4 8-23 100 235 190 150 160 24 3 4.5 8-23 175 160 560
100 65 250 200 150 168 32 3 4.5 8-26 125 270 220 176 188 28 3 4.5 8-25 195 195 690
150 100 345 280 204 240 38 3 4.5 8-34 200 375 320 260 282 38 3 4.5 12-30 280 265 935
A48Y-100 A44Y-100 A44Y-100P A44Y-100R 20 10 125 90 51 68 22 2 4 4-18 25 115 85 58 65 16 3 4 4-14 96 85 297
25 16 140 100 58 78 24 2 4 4-18 32 140 100 66 78 18 2 4 4-18 110 100 310
32 20 155 110 66 82 24 2 4 4-23 40 150 110

76

85 18 2 4 4-18 130 110 322
40 25 170 125 76 95 26 3 4 4-23 50 165 125 88 100 20 3 4 4-18 135 120 352
50 32 195 145 88 112 28 3 4 4-26 65 185 145 110 120 22 3 4 8-18 155 135 425
65 32 220 170 110 138 32 3 4 8-26 80 200 160 121 135 22 3 4 8-18 175 160 570
80 40 230 180 121 148 34 3 4 8-26 100 235 190 150 160 24 3 4.5 8-23 175 160 560
100 50 265 210 150 172 38 3 4.5 8-30 125 270 220 176 188 28 3 4.5 8-25 195 195 690
150 80 355 290 204 250 46 3 4.5 12-34 200 375 320 260 282 38 3 4.5 12-30 28

彈簧全啟蒸汽式安全閥整定壓力調整步驟
①安全閥出廠前,應逐台調整其開啟壓力到用戶要求的整定值。若用戶提出彈簧工作壓力級,則按一般應按壓力級的下限值調整出廠。
②使用者在将安全閥安裝到被保護設備上之前或者在安裝之前,必須在安裝現場重新進行調整,以确保安全閥的整定壓力值符合要求。
③在銘牌注明的彈簧工作壓力級範圍内,通過旋轉調整螺杆改變彈簧壓縮量,即可對開啟壓力進行調節。
④在旋轉調整螺杆之前,應使閥進口壓力降低到開啟壓力的 90%以下,以防止旋轉調整螺杆時閥瓣被帶動旋轉,以緻損傷密封面。
⑤為保證開啟壓力值準确,應使調整時的介質條件,如介質種類、溫度等盡可能接近實際運行條件。介質種類改變,特别是當介質聚積态不同時(例如從液相變為氣相),開啟壓力常有所變化。工作溫度升高時,開啟壓力一般有所降低。故在常溫下調整而用于高溫時,常溫下的整定壓力值應略高于要求的開啟壓力值。高到什麼程度與閥門結構和材質選用都有關系,應以上海正鋼閥門廠的說明為根據。
⑥常規安全閥用于固定附加背壓的場合,當在檢驗後調整開啟壓力時(此時背壓為大氣壓),其整定值應為要求的開啟壓力值減去附加背壓值。

彈簧全啟蒸汽式安全閥安裝使用注意事項
1、各種安全閥都應垂直安裝。
2、安全閥出口處應無阻力,避免産生受壓現象。
3、安全閥在安裝前應專門測試,并檢查其官密封性。
4、對使用中的安全閥應作定期檢查

冠高閥門溫馨提示:
請在訂貨時提供詳細型号、壓力、口徑、材質、介質、溫度、交貨地、交貨時間。
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