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DR6DP1-5X/150YM德國原裝力士樂減壓閥武穴黎翔專業(yè)代理德國力士樂全系列產(chǎn)品, 專注原裝全新力士樂 ,假一罰萬,力士樂好價格??!歡迎詢價!!減壓閥的作用
減壓閥的作用原理是靠閥內(nèi)流道對水流的局部阻力降低水壓,水壓降的范圍由連接閥瓣的薄膜或活塞兩側的進出口水壓差自動調節(jié)。近年來又出現(xiàn)一些新型減壓閥,如定比式減壓閥。定比減壓原理是利用閥體中浮動活塞的水壓比控制,進出口端減壓比與進出口側活塞面積比成反比。這種減壓閥工作平穩(wěn)無振動;閥體內(nèi)無彈簧,故無彈簧銹蝕、金屬疲勞失效之慮;密封性能良好不滲漏,因而既減動壓(水流動時)又減靜壓(流量為0時);特別是在減壓的同時不影響水流量。
水流通過減壓閥雖有很大的水頭損失,但由于減少了水的浪費并使系統(tǒng)流量分布合理、改善了系統(tǒng)布局與工況,因此總體上講仍是節(jié)能的。減壓閥的每一檔彈簧只在一定的出口壓力范圍內(nèi)適用,超出范圍應更換彈簧。在介質工作溫度比較高的場合,一般選用先導活塞式減壓閥或先導波紋管式減壓閥。介質為空氣或水(液體)的場合,一般宜選用直接作用薄膜式減壓閥或先導薄膜式減壓閥。介質為蒸汽的場合,宜選用先導活塞式減壓閥或先導波紋管式減壓閥。為了操作、調整和維修的方便,減壓閥一般應安裝在水平管道上。
減壓閥 運行操作
1.要避免存留臟物、雜物進入減壓閥減壓保障系統(tǒng)。新建或者改造工程的減壓系統(tǒng)管網(wǎng),很可能遺留沙粒、麻絲、雜物。投運前,一般都應進行水沖洗,滿足清潔要求后,最后裝上減壓閥和過濾器濾芯,這樣才能避免雜物流入減壓閥,杜絕減壓閥卡芯現(xiàn)象。在系統(tǒng)進入工作后,保障減壓系統(tǒng)的水流暢通與否,與設置在系統(tǒng)上的過濾器流通能力關系密切,如濾芯被雜物嚴重吸附,則會影響減壓閥的工作,為此必需對過濾器進行定期檢查,及時清除污穢。實踐表明這項工作2至3個月必須進行一次,有些可調式(彈簧式、薄膜式)減壓閥,其主閥或者導閥自身設置過濾器,同樣需要定期拆洗濾芯。
2.1用1備的減壓閥組應定期輪換工作。大部分高層建筑生活給水減壓閥減壓保障系統(tǒng),是以給水豎向分區(qū)設置的,一般設在每一給水分區(qū)總管上。考慮到眾多用戶的用水可靠安全性(住宅每一分區(qū)有幾十戶至上百戶,公共建筑如賓館、飯店,每一分區(qū)有幾十套客房……),設計時減壓閥應兩套并列安裝(1用1備)。減壓通路兩側都輔以閘閥或蝶閥,可啟閉任一減壓通道,為使并列的兩套減壓閥通道能正常工作,常規(guī)一個月輪流交換一次,擱置時間過長減壓通道死水結垢,減壓元件閥芯會卡住失效。
經(jīng)營產(chǎn)品:
閥類:電磁閥、換向閥、單向閥、溢流閥、減壓閥、平衡
閥、插裝閥、比例閥等
泵類:齒輪泵、柱塞泵、葉片泵等
承諾:保證原裝正品,假一賠十?量大價格好商量??!
武穴黎翔機電設備有限公司REXROTH力士樂銷售部
詢價聯(lián)系人:陳工
詢價熱線:????0713-8529058,18995766168 ??????????????????????
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傳真:0713-6542758
廣泛應用于鋼鐵、冶金、鋁行業(yè)、石油化工、航天、船舶制造、煤炭、水泥、電力、汽車、工程機械、食品、藥業(yè)、林業(yè)、紡織、皮革、造紙等行業(yè)領域3.應及時排除管道中的積氣。當空氣進入減壓管網(wǎng)或管網(wǎng)內(nèi)隨壓力變化時氣體從水中析出,這時區(qū)域內(nèi)用戶的水壓極不穩(wěn)定;處在供水最不利點用水器更是壓力變化急驟,有時呈現(xiàn)虛假的峰值壓力,有時還會抽吸斷水,還有管網(wǎng)會伴隨撞擊聲。產(chǎn)生這種現(xiàn)象,會影響燃氣熱水器、電熱水器等穩(wěn)定工作,嚴重時會被毀壞;對各種盥洗器具的進水連接管破壞力也很大,特別是目前常用的一些復合型連結軟管,其強度較差,因此爆管的事件屢有發(fā)生;有些水表無法正確計量,出現(xiàn)用戶不用水,水表也會不斷地轉動。為杜絕這類事故,應檢查屋頂水箱生活給水總管的蓄水高程是否滿足,如不滿足水箱出水口處會產(chǎn)生水旋,吸入空氣。排除這一故障可調整水箱內(nèi)液位控制器的最低水位高程,經(jīng)驗表明一般最低水位距出水口應不小于0.3m。也可反復開啟設置在分區(qū)、減壓系統(tǒng)兩側的壓力表放氣旋塞,把已進入管網(wǎng)內(nèi)的空氣徐徐排出。如采取上述措施后,在分區(qū)總管末梢以下的一些用水器還出現(xiàn)上述現(xiàn)象,可以在這些部位增設自動排氣裝置。
4.注意減壓閥的減壓保障系統(tǒng)。無論選用比例式還是可調式減壓閥,其減壓比P1∶P2不宜選擇過大,一般應控制在5∶1之內(nèi)。超過這個范圍易產(chǎn)生氣蝕現(xiàn)象,損壞閥件,產(chǎn)生嘯叫噪音。有些活塞式減壓閥,制造廠在其閥體上加工一個直徑1.5mm左右的小孔,其功能是讓閥芯運動時起到透吸氣作用,維護管理時應注意千萬不要將小孔塞住,否則影響減壓閥的正常運行。
5.加強減壓閥保障系統(tǒng)的管理巡視,要注意觀察減壓閥本身的工作動態(tài)。閥前、閥后壓力數(shù)值接近,表明減壓閥本身已存在故障。即活塞式減壓閥的閥芯與閥體間的平面密封橡膠件損壞;薄膜式可調型減壓閥主閥膜片有裂痕和O型圈損壞,及導閥連通管堵塞,造成減壓閥減壓作用削弱或者失效。這對分區(qū)管網(wǎng)危害極大,特別是許多用水設備可能因超壓力而出現(xiàn)爆管,必須及時修復。比例式(活塞型)減壓閥閥體上的透吸氣小孔如出現(xiàn)滴漏不止,表明閥芯上幾檔O型密封圈已經(jīng)磨損,要更換密封件。但在修理拆裝減壓元件時,要謹慎細心,調換內(nèi)密封件;清理雜物時,應因勢利導,不要用金屬棒、硬梗撬閥的活動部位,使用木榔頭和木柄敲擊震動,慢慢拆卸閥內(nèi)部件。修理完畢后重新安裝時,一定要和閥門上的流向指示保持一致。
6.注意檢查比例式減壓閥的安裝位置。高層內(nèi)減壓閥設計安裝的位置不妥,會出現(xiàn)減壓閥閥后壓力忽高忽低,管網(wǎng)壓力嚴重偏離允許范圍,伴隨毀壞淋浴器,水管爆裂和損壞用戶水表等事故發(fā)生;有時也會水流不暢,分區(qū)內(nèi)出現(xiàn)無規(guī)律的斷水現(xiàn)象,影響用戶用水。出現(xiàn)類似事故,檢查整個減壓閥減壓分區(qū)給水系統(tǒng),無疑點可找;拆卸減壓閥過濾器等元件并無異常;有些物業(yè)管理單位甚至懷疑減壓閥的技術性能,多次調換新的減壓閥,也不能解決問題。這時可從檢查比例減壓閥設計安裝位置是否合理著手,認真檢查管網(wǎng)系統(tǒng)是否存在等位倒虹管現(xiàn)象,即分區(qū)的輸出管路標高相近。此類情況在主、副樓同一屋頂水箱,下給水供水系統(tǒng)中很容易出現(xiàn)。發(fā)現(xiàn)這些問題,可以考慮把比例減壓閥安裝位置提高一個層面(不能提得太高,必須顧全分區(qū)內(nèi)用水設備的承壓規(guī)范要求);也可在主、副樓內(nèi),分設兩組獨立的比例減壓閥給水系統(tǒng)。DR減壓閥
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R901115370 DR20-5-5X/315XYM
R901156416 DR10-7-5X/315XYM
HED5OP1-2X/50K14
HED5OP1-2X/50K14V
HED5OP1-2X/100K14
HED5OP1-2X/100K14V
HED5OP1-2X/210K14
HED5OP1-2X/210K14V
HED5OP1-2X/350K14
HED5OP1-2X/350K14V
HED5OP1-2X/630K14
HED5OP1-2X/630K14V
HED5OA1-2X/50K14
HED5OA1-2X/50K14V
HED5OA1-2X/100K14
HED5OA1-2X/100K14V
HED5OA1-2X/210K14
HED5OA1-2X/210K14V
HED5OA1-2X/350K14
HED5OA1-2X/350K14V
HED5OA1-2X/630K14
HED5OA1-2X/630K14V
HED5OK1-2X/50K14
HED5OK1-2X/100K14
HED5OK1-2X/210K14
HED5OK1-2X/210K14V
HED5OK1-2X/350K14
HED5OK1-2X/350K14V
HED5OK1-2X/630K14
HED8OH1X/50K14
HED8OH1X/50K14V
HED8OH1X/50K14S
HED8OH1X/50K14SV
HED8OH1X/50K14A
HED8OH1X/50K14AS
HED8OH1X/50K14ASV
HED8OH1X/50K14KS
HED8OH1X/50K14KSV
HED8OH1X/50K14KW
HED8OH1X/50K14KWV
HED8OH1X/100K14
HED8OH1X/100K14V
HED8OH1X/100K14S
HED8OH1X/100K14SV
HED8OH1X/100K14A
HED8OH1X/100K14AV
HED8OH1X/100K14AS
HED8OH1X/100K14ASV
HED8OH1X/100K14KS
HED8OH1X/100K14KSV
HED8OH1X/100K14KW
HED8OH1X/100K14KWV
HED8OH1X/200K14
HED8OH1X/200K14V
HED8OH1X/200K14S
HED8OH1X/200K14SV
HED8OH1X/200K14A
HED8OH1X/200K14AV
HED8OH1X/200K14AS
HED8OH1X/200K14ASV
HED8OH1X/200K14KS
HED8OH1X/200K14KSV
HED8OH1X/200K14KW
HED8OH1X/200K14KWV
HED8OH1X/350K14
HED8OH1X/350K14V
HED8OH1X/350K14S
HED8OH1X/350K14SV
HED8OH1X/350K14A
HED8OH1X/350K14AV
HED8OH1X/350K14AS
HED8OH1X/350K14ASV
HED8OH1X/350K14KS
HED8OH1X/350K14KSV
HED8OH1X/350K14KW
HED8OH1X/350K14KWV
HED8OH1X/630K14
HED8OH1X/630K14V
HED8OH1X/630K14S
HED8OH1X/630K14SV
HED8OH1X/630K14AS
HED8OH1X/630K14KS
HED8OH1X/630K14KW
HED8OP1X/50K14
HED8OP1X/50K14V
HED8OP1X/50K14S
HED8OP1X/50K14SV
HED8OP1X/50K14A
HED8OP1X/50K14AV
HED8OP1X/50K14AS
HED8OP1X/50K14ASV
HED8OP1X/50K14KS
HED8OP1X/50K14KSV
HED8OP1X/50K14KW
HED8OP1X/50K14KWV
HED8OP1X/100K14
HED8OP1X/100K14V
HED8OP1X/100K14S
HED8OP1X/100K14SV
HED8OP1X/100K14A
HED8OP1X/100K14AV
HED8OP1X/100K14AS
HED8OP1X/100K14ASV
HED8OP1X/100K14KS
HED8OP1X/100K14KSV
HED8OP1X/100K14KW
HED8OP1X/100K14KWV
HED8OP1X/200K14
HED8OP1X/200K14V
HED8OP1X/200K14S
HED8OP1X/200K14SV
HED8OP1X/200K14A
HED8OP1X/200K14AV
HED8OP1X/200K14AS
HED8OP1X/200K14ASV
HED8OP1X/200K14KS
HED8OP1X/200K14KW
HED8OP1X/200K14KWV
HED8OP1X/350K14
HED8OP1X/350K14V
HED8OP1X/350K14S
HED8OP1X/350K14SV
HED8OP1X/350K14A
HED8OP1X/350K14AS
HED8OP1X/350K14ASV
HED8OP1X/350K14KS
HED8OP1X/350K14KW
HED8OP1X/350K14KWV
HED8OP1X/630K14
HED8OP1X/630K14V
HED8OP1X/630K14S
HED8OP1X/630K14A
HED8OP1X/630K14AS
HED8OP1X/630K14ASV
HED8OP1X/630K14KS
HED8OP1X/630K14KW
HED8OP1X/630K14KWV
HED8OA1X/50K14
HED8OA1X/50K14V
HED8OA1X/50K14S
HED8OA1X/50K14SV
HED8OA1X/50K14A
HED8OA1X/50K14AV
HED8OA1X/50K14AS
HED8OA1X/50K14ASV
HED8OA1X/50K14KS
HED8OA1X/50K14KSV
HED8OA1X/50K14KW
HED8OA1X/50K14KWV
HED8OA1X/100K14
HED8OA1X/100K14V
HED8OA1X/100K14S
HED8OA1X/100K14SV
HED8OA1X/100K14A
HED8OA1X/100K14AV
HED8OA1X/100K14AS
HED8OA1X/100K14ASV
HED8OA1X/100K14KS
HED8OA1X/100K14KSV
HED8OA1X/100K14KW
HED8OA1X/100K14KWV
HED8OA1X/200K14V
HED8OA1X/200K14S
HED8OA1X/200K14SV
HED8OA1X/200K14A
HED8OA1X/200K14AV
HED8OA1X/200K14AS
HED8OA1X/200K14ASV
HED8OA1X/200K14KS
HED8OA1X/200K14KSV
HED8OA1X/200K14KW
HED8OA1X/200K14KWV
HED8OA1X/350K14
HED8OA1X/350K14V
HED8OA1X/350K14S
HED8OA1X/350K14SV
HED8OA1X/350K14A
HED8OA1X/350K14AV
HED8OA1X/350K14AS
HED8OA1X/350K14ASV
HED8OA1X/350K14KS
HED8OA1X/350K14KSV
HED8OA1X/350K14KW
HED8OA1X/350K14KWV
HED8OA1X/630K14
HED8OA1X/630K14V
HED8OA1X/630K14S
HED8OA1X/630K14SV
HED8OA1X/630K14AV
HED8OA1X/630K14AS
HED8OA1X/630K14KS
HED8OA1X/630K14KSV
HED8OA1X/630K14KW
AGRCZO-A-10/100/P ?DLHZA-T-040-L71/M/7?
DLHZO-TE-040-T73/I 40
RZGA-A-010/32 AGMZA-A-10/250/PA-M?
DLHZO-TE-040-V11 40
RZGA-A-033/80?
AGMZA-A-10/80/PA-GK?
DHZA-A-051-S5/M/7 RZMO-A-010/100 ?
AGRCZO-A-10/210/P DLHZA-T-060-T71/GK 31?
DLHZO-TE-040-V13DLHZO-TE-040-L31/FI 40?
DLHZO-TE-040-L31/I?
DLHZO-TE-040-L33/I 40?
E-MI-AC-01F 11 /4,
E-MI-AC-01F 11 /6,?
E-ATR-5/160/I 10 E-ATR-5/250?
E-ATR-5/250/I?
E-ATR-5/400 10?
DLHZO-TE-040-T73/I 40?
DLHZO-TE-040-V11 40?
DLHZO-TE-040-V13?
DLHZO-TE-040-V73 40?
E-MI-AC-01F 11 /4,
E-MI-AC-01F 11 /6,?
E-ME-AC-01F11 /3,?
E-MI-AC-01F 11 /4,?
E-MI-AC-01F/RR 11 /1,?
E-ME-AC-01F 11 /2, ,?
DLKZA-T-160-L71/NPT?
DLKZA-T-160-T71/GK 40?
DLKZOR-LE-160-L71/Q/LQ82SB 41 ?
DLKZOR-T-140-L31 41?
DLKZOR-T-140-L71 41
DLKZOR-T-140-L73 41 ?
DLKZOR-T-140-T71 41?
DLKZOR-T-140-V71 41?
DLKZOR-T-160-L71 41?
DLKZOR-TE-140-L31?
DLKZOR-TE-140-L71?
DLKZOR-TE-140-L71/FI 41?
DLKZOR-TE-140-L71/I ?
DLKZOR-TE-140-L71/Q 41 ?
DLKZOR-TE-140-L73/I 41 ?
DLKZOR-TE-140-T71 41?
DLKZOR-TE-140-T73 41 ?
DLKZOR-TE-140-T73/I 41?
比例換向閥 DLHZO-T-040-L71
比例換向閥 DLHZO-T-040-L73
比例換向閥 DLHZO-T-040-L73
比例換向閥 DLHZO-T-060-L51/B
比例換向閥 DLHZO-T-040-L71/PE
比例換向閥 DLHZO-TE-040-L71/40
比例換向閥 DLHZO-TE-040-L71/I/PE
比例換向閥 DLHZO-TE-040-L71/I/PE
比例換向閥 DLHZO-TE-040-L73/B
比例換向閥 DLHZO-TE-040-L73
比例換向閥 DLHZO-TE-040-L73/40
比例換向閥 DLHZO-TE-040-L73/Q
比例換向閥 DLHZO-TE-040-L73/I
比例換向閥 DLHZO-LE-040-L03
比例換向閥 DLKZO-T-140-L71
伺服比例閥DLHZO-TE-040-V31
比例換向閥DLHZO-T-040-V73?
比例換向閥DLHZO-TE-040-V31
比例換向閥DLHZO-TE-040-L51
比例換向閥DLHZO-TE-040-L11
比例換向閥DLHZO-T-040-L51 31
比例換向閥DLHZO-T-040-L71 31
DPZO-A-171-L5 10 ?
DPZO-A-171-L5/D?
DPZO-A-171-L5/E DLHZA-T-040-L71/M/7?
DLHZA-T-040-T71/GK 31?
DLHZA-T-060-T71/GK 31?
DLHZO-LE-060-V71/LQ52SA 40?
DLHZO-LE-060-V71/Q/LQ42SB 40 ?
DLHZO-LE-060-V71/Q/LQ52SA 40?
DLHZO-T-040-L11?
DLHZO-T-040-L13?
DLHZO-T-040-L31 ?
DLHZO-T-040-L51 ?
DLHZO-T-040-L53?
DLHZO-T-040-L71?
DLHZO-T-040-L73 31?
DLHZO-T-040-V71?
DLHZO-TE-040-L11?
DLHZO-TE-040-L11/I?
DLHZO-TE-040-L31 40?
伺服比例閥DLHZO-TE-040-V31
E-MI-AC-01F 11 /4,?
E-MI-AC-01F/RR 11 /1,?
E-ME-AC-01F 11 /2, ,?
DLHZO-TE-040-L51 40 ?
DLHZO-TE-040-L51/FI 40?
DLHZO-TE-040-L51/I ?
DLHZO-TE-040-L53 40?
DLHZO-TE-040-L71?
DLHZO-TE-040-L71/I 40?
DLHZO-TE-040-L73 40?
DLHZO-TE-040-L73/B 40 ?
DLHZO-TE-040-T53/I 40?
DLHZO-TE-040-T71/Q 40?
DPZO-A-171-S5 10 ?
DPZO-A-251-L5 30 ?
DPZO-A-251-S5 20 ?
DPZO-A-253-S5?
DPZO-A-271-D5?
DPZO-A-271-L5?
DPZO-A-271-L5/D 30 ?
DPZO-A-271-L5/E 30?
DPZO-A-271-L5/G 30?
DPZO-A-271-S5?
DPZO-A-271-S5/D ?
DPZO-A-271-S5/DE 30 ?
DPZO-A-271-S5/DG 30?
DPZO-A-271-S5/E 30 ?
DPZO-A-271-S5/G?
DPZO-A-273-D5 ?
DPZO-A-273-D5/G?
DPZO-A-273-L5 30 ?
DPZO-A-273-L5/D 30?
DPZO-A-273-L5/D 30 /WG