產(chǎn)品詳情
比例式減壓閥主要是運(yùn)用液壓原理使閥后壓力與閥前壓力有一定比例關(guān)系,主要由閥體、活塞、密封圈等組成。 圖為法蘭連接比例式減壓閥的結(jié)構(gòu)簡圖?;钊鳛楸壤綔p壓閥的一個重要部件,在閥體內(nèi)作直線運(yùn)動,其后端(圖1)中活塞的下端,受水面積一般為其前端受水面積的整數(shù)倍。在高層建筑消防給水系統(tǒng)中,當(dāng)在閥后管網(wǎng)上無用水時,閥門關(guān)閉,閥前后壓力比是定值,p前?F前=p后?F后(p前、F前、p后、F后分別表示閥前、閥后的壓強(qiáng)和活塞的受力面積);當(dāng)減壓閥后管網(wǎng)啟用消火栓或噴頭噴水時,閥前壓力大于閥后壓力,推動活塞后移,減壓閥打開閥后管網(wǎng)壓力隨流量的增加而降低(符合流量-壓力特性曲線),直至達(dá)到平衡位置,活塞停止移動。當(dāng)閥后管網(wǎng)停止用水時,由于活塞后端壓強(qiáng)升高,減壓閥活塞失去平衡狀態(tài)而前移,閥門關(guān)閉。 |
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萬福樂 電磁閥
AS22101A-G24
萬福樂電磁閥
AS22101a-R???電壓24V
萬福樂MQBPM22-150/L15-Z382(MKY45/18*60-G24L15)
萬福樂
電磁換向閥 AExd4Z60a-G24/L15
萬福樂防爆比例減壓閥 MQBPM22—150/L15—Z382
萬福樂液控?fù)Q向閥 AP4Z60a
萬福樂
MKY45/18*60-G24/L15
萬福樂電磁閥BM4D31-G24
萬福樂(WANDFLUH)常規(guī)電磁閥型號:
AS32061a
AS32061a-G24,U=24VDC,SIS45V-G24
AS32061a-R230,U=230VAC,SIS45V-R230
AS32061A-M29 AS32060b-G220
AS32060b
AS32060b-G24,U=24VDC,SIS45V-G24
AS32060b-R230,U=230VAC,SIS45V-R230
AS32060B-G24/HB6
AS32101a,AS32101a-G24,AS32101a-R230
AS32100b,AS32100b-G24,AS32100b-R230
AS22061a,AS22061a-G24,AS22061a-R230
AS22060b,AS22060b-G24,AS22060b-R230
AS22101a
AS22101a-R230,U=230VAC,SIS60V-R230
AS22101a-G24,U=24VDC,SIS60V-G24
AS22100b,AS22100b-G24,AS22100b-R230
AM22100b,AM22100b-G24,SIN60V-G24
AM22100b-R230,SIN60V-R230
AM22101A,AM22101A-G24,AM22101A-R230
AM32060B,AM32060B-S68S
AM32061A,
AM32100B,
AM32101A,
AM22061a,AM22061a-G24,AM22061a-R230
AM22060b,AM22060b-G24,AM22060b-R230
AK32061A AK22060B,AH4Z60A/R
BM22031a,BS22031a,BM22041a,BS22041a,BM22030b,BS22030b,BM22040b,
BS22040b,BM32031a,BS32031a,BM32041a,BS32041a,AM32061a,AS32061a,
AM32101a,BM32030b,BS32030b,BM32040b,BS32040b,BM3403,BS3403,BM3404,
BS3404,AM3406,AS3406,AM3410,AS3410,BH2206LA,AS430B-G24,AM32061A-R230,AM32061A-G24,AM32060B-G24,AM32060B-R230, AM32101A-G24,AM32100B-G24,AM32101A-R230,AM32100B-R230,P02A01D24,AURDB6,AM32060b-M29-G24,AM32061a-M29-G24,
GS22101-G24,VQSSA10-PO-32/MD35
WDPFA06-ACB-S-5-G24
WDPFA06-ACB-S-16-G24
WDPFA06-ACB-S-32-G24
WDPFA06-ACB-S-32-D1K1-G24
WDE45/23*50-G24
WDE37/16*40-G24
VDE37/19*40-R230
VDE37/19*40-G24
BVVPM22-250-24A1
WVPM42-ACB-S-150
WVPM42-ADB-V-150
WVPM42-CB2-S-150
WVPM42-DB2-V-150
BRWS4D41-4-24A2
BRWS4D41-8-24A2
BRWV4D42-4-24A2
BRWV4D42-8-24A2
IPTBIId4-E60a/T4
SD7201D20-AA