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產(chǎn)品名稱: |
BURKERT0255型直動式電磁閥*寶德總經(jīng)銷 |
產(chǎn)品型號: |
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產(chǎn)品特點: |
:零七六九-二二三零一零二八一八九二八二九零二七三零七六九-二二三零一零九八:操貞 |
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BURKERT0255型直動式電磁閥*寶德總經(jīng)銷的詳細(xì)資料: |
BURKERT0255型直動式電磁閥*寶德總經(jīng)銷 BURKERT0255型直動式柱塞電磁閥的流量特性是指介質(zhì)通過閥門的相對流量與相對開度之間的關(guān)系。但流量的大小不僅取決于閥的開度,還與閥前后的差壓有關(guān)。當(dāng)一臺控制閥(調(diào)節(jié)閥)接在管路中工作時,閥門開度一定,隨著流量的變化,閥門前后的差壓是變化的,于是理想特性就變成了工作特性。常用的流量特性有線性、等百分比和快開型3種??扉_特性的閥主要用于雙位控制和程序控制,因此流量特性的選擇主要是指合理選用線性和等百分比流量特性。選擇的原則是在負(fù)荷變化的情況下,結(jié)合工藝配管情況,使控制系統(tǒng)總的放大系數(shù)即綜合特性近似于線性。 BURKERT0255型直動式柱塞電磁閥與管道串聯(lián)時,因調(diào)節(jié)閥開度的變化會引起流量的變化,由流體力學(xué)理論可知,管道的阻力損失與流量成平方關(guān)系。調(diào)節(jié)閥一旦動作,流量則改變,系統(tǒng)阻力也相應(yīng)改變,因此調(diào)節(jié)閥壓降也相應(yīng)變化。串聯(lián)管道時的工作流量特性與壓降分配比有關(guān)。閥上壓降越小,調(diào)節(jié)閥全開流量相應(yīng)減小,使理想的直線特性畸變?yōu)榭扉_特性,理想的等百分比特性畸變?yōu)橹本€特性。在實際使用中,當(dāng)調(diào)節(jié)閥選得過大或生產(chǎn)處于非滿負(fù)荷狀態(tài)時,調(diào)節(jié)閥則工作在小開度,有時為了使調(diào)節(jié)閥有一定的開度,而將閥門開度調(diào)小以增加管道阻力,使流過調(diào)節(jié)閥的流量降低,實際上就是使壓降分配比值下降,使流量特性畸變,惡化了調(diào)節(jié)質(zhì)量。 BURKERT0255型直動式電磁閥*寶德總經(jīng)銷 BURKERT 134317M G1/2 0.2-16bar 24VDC 8W BURKERT 126155 BURKERT 420685S BURKERT 420685 BURKERT 120659 BURKERT 125370 BURKERT 560 BURKERT 001132k BURKERT 001592R BURKERT 001593J BURKERT 431722M BURKERT 134590L BURKERT 126287G,AC220V BURKERT 141212H,AC220V BURKERT 150245 BURKERT 125304 G1/4 230V BURKERT 042320B BURKERT 126300H BURKERT 134615 BURKERT E131K03 BURKERT 123772S BURKERT 001412661閥體 BURKERT 密封圈 BURKERT 125304 BURKERT 134630T BURKERT 150311 BURKERT 125366V BURKERT 1067CNC6701 BURKERT 13435 BURKERT 418843 BURKERT 443821 BURKERT 141266 BURKERT 8025 BURKERT 8025+8030 G1/2 BURKERT 8030+8025 G1/2 BURKERT 8040 BURKERT 791B024DAD1SN00 BURKERT 791B024DWD1SN00 BURKERT OGR8G-1(9-36V) BURKERT VNS022 18KK EARH9P1.9P1 BURKERT 283 BURKERT 318 BURKERT HK00267 BURKERT 500987S DC24V BURKERT 643-5104 BURKERT 551703+551689 BURKERT 60621 BURKERT 132724 BURKERT 133759 BURKERT 141199 BURKERT 141266 BURKERT 628006 BURKERT 126260 BURKERT 6014.C 1.5 24VAC 50/60HZ BURKERT 170720 BURKERT 8組/快629505B BURKERT 17018 BURKERT 17427 BURKERT 125660 BURKERT TB5211-D-G BURKERT 701516 BURKERT 134076 BURKERT AV2650-FL BURKERT 502539 BURKERT 144293 BURKERT 65395 BURKERT 6213A BURKERT 125724 W27LG AC24V BURKERT 2511 DC24V BURKERT 1138 BURKERT 48606 BURKERT 141482 BURKERT 149295 BURKERT 00001399DN32PN25 BURKERT 00001401DN50PN25 BURKERT 134317 BURKERT 132652 BURKERT 134329 BURKERT BATCH:SE35/8035 115-230VAC BURKERT 502539 BURKERT 141266 BURKERT 密封圈 BURKERT RQ941F-16 DN125 BURKERT RQ941F-16 DN40 BURKERT RQ941F-16 DN50 BURKERT RQ941F-16 DN65 BURKERT RQ941F-16 DN80 BURKERT 5413 BURKERT 6519 BURKERT 133765 BURKERT 134344 BURKERT 631300 A20 BURKERT 631300 A25 BURKERT 615157 BURKERT 69006 BURKERT 0331-C-4 ONBR-MS BURKERT 500987S DC24V BURKERT 17023 BURKERT 130Q 0.2-16BAR G3/4 BURKERT 60644 BURKERT 134317 BURKERT 2030EAPV D25 00436475 W4XLE S/N 2050 00434871 W46LT S/N 1880 BURKERT 0281A13 BURKERT 346-C-40.0-B-RG 24V 11W G1 1/2 BURKERT 6213A2010 BURKERT 61303 BURKERT SIDE CONTROL 1067 BURKERT 429121R BURKERT 167634 BURKERT 0475H 8.0PB C1/4 (訂貨號131398 BURKERT 589933 BURKERT 001251A BURKERT 134317 BURKERT 429102 BURKERT 1249 BURKERT 1250 BURKERT 1251 BURKERT 6213 G3/4 DC24 DN20 BURKERT 642140M BURKERT 134324 BURKERT 021563G06 BURKERT 60621 BURKERT 001136P BURKERT 001446W BURKERT 17427 BURKERT 134601 BURKERT 501215 BURKERT CN00005 BURKERT 420661 BURKERT 621300 BURKERT 134430 BURKERT 134438
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