溶劑流量計描述
FM-LC-Y型溶劑油流量計是一種指針顯示,字輪累積計數裝置及回零裝置的輕型容積式流量儀表,廣泛應用于各工業領域的液體流量控制,適用于各種類型的液體測量,如原油、柴油、汽油等,具有量程大,精度高,使用和維修方便等特點,選用不同的制造材料,可滿足石油、化工、食品、冶金、電力、交通等各領域的液體流量計量。
流量表是由計量箱和裝在計量箱內的一對橢圓齒輪,與上下蓋板構成一個密封的初月形空腔(由于齒輪的轉動,所以不是絕對密封的)作為一次排量的計算單位。當被測液體經管道進入流量計時,由于進出口處產生的壓力差推動一對齒輪連續旋轉,不斷地把經初月形空腔計量后的液體輸送到出口處,橢圓齒輪的轉數與每次排量四倍的乘積即為被測液體流量的總量。
測量介質:適用介質:液體
輸出信號:可選脈沖或4~20mA
精度等級:1.0級、0.5級、0.2級
介質溫度:-20℃~+80℃
防爆等級:ExiaIICT6
防護等級:IP65
http://273729235.jdzj.com/
溶劑油流量計特點
測量精度高、流量范圍寬、重復性好;
齒輪轉動均勻,震動小、壽命長;
對被測液體的粘度變化不敏感,尤其適合于粘度較高液體的測量;
結構簡單、外形尺寸小、重量輕;
安裝容易,表前不需要安裝直管段。
溶劑油流量計優點
溶劑油流量計技術參數及型號
測量范圍及工作壓力
公稱通徑(mm) | 儀表材質 | 不同粘度下測量范圍(m3/h) | 耐壓等級MPa | ||
0.6~2MPa.s | 2~8MPa.s | 8~200MPa.s | |||
DN10 | 鑄鐵 | 無 | 0.08~4 | 0.04~0.4 | 1.6 / 訂制 |
DN15 | 鑄鐵/鑄鋼 | 無 | 0.3~1.5 | 0.15~1.5 | 1.6 / 訂制 |
不銹鋼 | 0.5~1.5 | 0.3~1.5 | 0.25~2.5 | 1.6 | |
DN20 | 鑄鐵/鑄鋼 | 0.75~3 | 0.4~3 | 0.3~3 | 1.6 / 訂制 |
不銹鋼 | 1~3 | 0.6~3 | 0.5~3 | 1.6 | |
DN25 | 鑄鐵/鑄鋼 | 1.5~6 | 0.8~6 | 0.6~6 | 1.6 /訂制 |
不銹鋼 | 2~6 | 1.2~6 | 1~6 | 1.6 | |
DN40 | 鑄鐵/鑄鋼 | 3~15 | 2~15 | 1.1~15 | 1.6 / 訂制 |
不銹鋼 | 2.5~20 | 2~20 | 1.5~20 | 1.6 | |
DN50 | 鑄鐵/鑄鋼 | 4.8~24 | 3~24 | 2.4~24 | 1.6 / 訂制 |
不銹鋼 | 8~24 | 4.8~24 | 4~24 | 1.6 | |
DN65 | 鑄鐵/鑄鋼 | 8~40 | 5~40 | 4~40 | 1.6 / 訂制 |
不銹鋼 | 15~40 | 8~40 | 6.5~40 | 1.6 | |
DN80 | 鑄鐵/鑄鋼 | 12~60 | 8~60 | 6~60 | 1.6 / 訂制 |
DN100 | 鑄鐵/鑄鋼 | 20~100 | 13~100 | 10~100 | 1.6 / 訂制 |
DN150 | 鑄鐵/鑄鋼 | 38~190 | 24~190 | 19~190 | 1.6 / 訂制 |
DN200 | 鑄鐵/鑄鋼 | 68~340 | 45~340 | 34~340 | 1.6 / 訂制 |
適用條件:
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FM-LC-Y型溶劑油流量計:
1、儀表中的橢圓齒輪軸盡可能安裝成水平位置,即讀數盤應安裝成垂直位置(計數器正面與地面平行),以減少橢圓齒輪與殼體之間的摩擦,降低零件的磨損。由于安裝位置不同,為了便于讀數,可將計數器(表頭)旋轉90°或180°。2、儀表盡量安裝在常溫場合,不要安裝在有害氣體及強烈熱輻射的場合,防止儀表計數器部分受損害。3、儀表安裝的方向應使儀表殼體上所示箭頭方向與液體流動方向一致,安裝位置應注意便于讀數。4、儀表應安裝在泵的出口端,流量調節閥應安裝在儀表的下游。使用時先打開上游截止閥,然后緩慢開啟下游流量調節閥或截止閥。嚴禁突然開啟或關閉。5、儀表安裝前,管道必須徹底清洗,在整個管路系統中,若無嚴格的過濾裝置時,應在儀表前安裝過濾器,以防雜質進入表內。6、儀表在使用時,應使表內流滿液體。被測液體內不應混有氣體,否則測出氣和液的混合容積,使測量不準,液體內混有氣體時,必須在儀表上游安裝氣體分離器。7、流量超過規定最大流量時,橢圓齒輪隨著轉速提高而磨損增加、且壓力損失急劇增加,應避免使用。低于最小流量,雖仍能計量,但誤差增大。流量計的起動流量約為最大流量的2%,正常工作流量最好為最大流量的70%-80%。8、管道中的流量不應急劇增加或減少,應避免管道振動、水力沖擊和壓力急劇波動等現象,否則將影響儀表正常工作。9、被測液體溫度不應高于規定值,否則,儀表不能正常工作,甚至會卡住不動,計數器部分在高溫下容易損壞。液體溫度變化也會造成粘度影響的附加誤差。由于測量高粘度液體時,一般均將液體加熱以降低粘度,然后在管道內流通(既帶保溫夾套型流量計)。10、當儀表停用后,儀表內充滿的液體因冷卻而變粘,如再要啟用,必須用蒸汽或其他方法在表體外部加熱,從而降低液體的粘度,待儀表內液體粘度降低后才能使用。否則粘液會咬住傳動零件,致使儀表損壞。11、每臺儀表出廠時,均用0號柴油在室溫條件下標定,在常溫下,油的粘度約為3mpa.s。如用戶使用的液體粘度與此相差較大時,需進行調正齒輪比或者流量系數。
12、嚴禁掃線蒸汽和水通過儀表。
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技術特點: 精度高 量程比寬 分辯率高 高穩定性、專用信號處理芯片 電源工作范圍寬 良好的互換性 雙向流向測量及輸出 自診斷、自檢測 多種可編程報警功能 |
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PSM 公司生產的"Torflow"流量傳感器,設計結構為多孔均勻分布的皮托管,傳感器形成與流量的平方成正比的壓差。與差壓變送器配套使用,產生4~20mA 的電信號輸出,或直接傳送到差壓計或壓力計直接顯示流速。 每一臺"Torflow"流量傳感器都是按要求的規格定做,恰好滿足要求,測量孔合理分布,因此可以得到精確的流量剖面樣本。內部的次級管將沖擊流速平均。通過置于探極下斷中心區的單孔,可以測得管內的靜壓。通過減低紊流,確保得到穩壓區。 "Torflow"流量傳感器與其它流量測量方法相比,在管線內造成的阻塞最小。這個特點使得其壓損低,適合較高流量范圍的測量。 由于流速的平均化,在不降低精度的前提下,可以縮短上下游的直管段進行安裝和運行。加之其安裝簡單和耐磨損等優點,比孔板有更好的性價比。根據用戶的特殊技術要求,可以提供多種配件、安裝方式和不同材質等。迪形管流量計主要特點◆ 適用于圓管或方形/矩形管道 ◆ 適用于液體、氣體或蒸汽 ◆ 適于測量管徑:10mm ~ 8000mm◆ 壓損低◆ 精度:±1%◆ 重復性:±0.1%◆ 低維護成本和性
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產品名稱: SLN流量計產品型號: SLN流量計產品展商: 安徽春輝儀表線纜集團有限公司簡單介紹SLN流量計 SLN1091G型渦街流量計根據卡門渦街原理測量氣體.蒸汽或液體的體積流量.標況的體積流量或質量流量的體積流量計.
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HT50金屬管浮子流量計是基于浮子位置測量的一種變面積式流量儀表,其采用全金屬結構,選用不同的測量部件材質,可實現對不同要求的液體、氣體、蒸汽的流量的測量,同時根據工藝要求有水平或垂直安裝形式可選。對于不同用戶不同場合又可選用隔爆與普通指示器類型。