描述
1775T-PMPP-1700
控制閥拆卸維修時(shí),可用旁路閥對(duì)生產(chǎn)過(guò)程進(jìn)行操作。當(dāng)被控流量過(guò)大,用控制閥無(wú)法正常調(diào)節(jié)時(shí),作為應(yīng)急措施,也可用旁路閥作為控制閥的并行連接方案,對(duì)過(guò)程進(jìn)行控制。為降低成本,大口徑控制閥安裝手輪執(zhí)行機(jī)構(gòu),可代替旁路閥進(jìn)行操作。旁路閥的安裝應(yīng)便于操作,它與控制閥上、下游切斷閥一起組成控制閥組,因此,安裝時(shí)應(yīng)與它們配套,并同時(shí)完成施工安裝。旁路閥公稱直徑與管道公稱直徑相同,耐壓等級(jí)也與工藝耐壓等級(jí)一致。通常執(zhí)行機(jī)構(gòu)與控制閥閥體直接連接,但液動(dòng)執(zhí)行機(jī)構(gòu)、長(zhǎng)行程執(zhí)行機(jī)構(gòu)等執(zhí)行機(jī)構(gòu)與控制閥閥體分開(kāi)時(shí),安裝執(zhí)行機(jī)構(gòu)時(shí)應(yīng)注意,執(zhí)行機(jī)構(gòu)的連桿和機(jī)械活動(dòng)部件應(yīng)靈活,無(wú)松動(dòng)或卡扭等現(xiàn)象。連桿長(zhǎng)度應(yīng)在全行程范圍內(nèi)動(dòng)作穩(wěn)定、靈活可靠。當(dāng)與工藝管道有熱位移的控制閥閥體連接時(shí),應(yīng)保證執(zhí)行機(jī)構(gòu)與控制閥閥體之間相對(duì)位置保持不變。手輪執(zhí)行機(jī)構(gòu)有側(cè)裝和頂裝兩種,安裝時(shí)應(yīng)留有操作空間。手輪操作應(yīng)靈活,沒(méi)有卡死或扭轉(zhuǎn)現(xiàn)象。應(yīng)有手輪轉(zhuǎn)動(dòng)方向與閥開(kāi)度關(guān)系的標(biāo)注。限位裝置應(yīng)調(diào)整合適,起到保護(hù)作用。液動(dòng)執(zhí)行機(jī)構(gòu)應(yīng)低于控制器安裝,如果必須高于控制器時(shí),其高差應(yīng)不超過(guò)1.0m,并且應(yīng)在管路集氣處安裝排氣閥,靠近控制器處安裝止逆閥或自動(dòng)切斷閥。
產(chǎn)品承諾:
保?證?全新原裝進(jìn)口,
保?證?安全準(zhǔn)時(shí)發(fā)貨,
保?證售后服務(wù)質(zhì)量,
優(yōu)勢(shì)價(jià)格,大量現(xiàn)貨。
主營(yíng)DCS系統(tǒng)配件
機(jī)器人系統(tǒng)配件
大型伺服系統(tǒng)配件
品牌:ABB???,AB??,GE,FOXBORO,本特利,英維思,伍德沃德,西屋,瑞恩,施耐德,西門子,摩托羅拉,安川。力士樂(lè)。ACSO,橫河等進(jìn)口品牌。 專業(yè)銷售進(jìn)口DCS? PLC系統(tǒng)備件模塊
Triconex?Siemens?Yaskawa?ABB?GE?Ovation?AB?Foxboro?Motorola?Schneider?XYCOM?KUKA ? 專業(yè)銷售進(jìn)口DCS? PLC系統(tǒng)備件模塊 15天包退換 一年質(zhì)保 大量現(xiàn)貨? 國(guó)內(nèi)實(shí)力庫(kù)存商家
Zeiss CMM Servo Amplifier Board, # 608481-4905
FANUC BOTTOM BOARD # A20B-1003-0081, Warranty, NEW
Allen Bradley SLC Personal Computer Interface Convertor
FANUC PC BOARD, M/M INTERFACE A20B-0008-0500 WARRANTY
Robotron Series 415 Weld Controller, 503-2-0329 WARRANT
Hurco Dual Axis Board Assy. # 415-0176 001A WARRANTY
Parker Compumotor Absolute Encoder Drive, 72-008142-01
Okuma Opus 5000 CPU/IF Rack 9A, Model # E7191-292-325-1
Fanuc 5 KVA Transformer, A80L-0001-0274-?03 WARRANTY
Fanuc AC Servo Motor, Model 30F, # A06B-0353-B831
Giddings & Lewis 24 VDC Power Supply, 810-21979-00
Siemens SITOP Power 40, 6EP1437-1SL11, Nice
Mitsubishi CNC Module, BN624A219H04 FX42A
Siemens PrIimary Switched-Mode Regulator 6EP1342-0AA10
Siemens Modular Power Sup, #E220 G5/3WRGD, E220G5/3WRGD
Varian SD-90 Vacuum Pump, WARRANTY
Cincinnati Milacron PC Board 3-531-4238A WARRANTY
5 HP Motor w/ Vickers Hyd Pump, PVB15-LSY-41-CM?-12
Allen Bradley Contactor Relay 700-RTC40Z1000U?1 Series A
Okuma OSP2000 Puncher EC DA Board, E4809-032-394-A
Rimrock Corp. Circuit Board # 11120-108/9 WARRANTY
Robotron Series 415 Weld Controller, 503-2-0329, V9.005
Selema Smart Plus Drive, 1,7 KW, Cod. 72IDS2 I 07/15
Zeiss Coordinate Measuring Machine Board, # 608481-0303
Zeiss Coordinate Measuring Machine Board, # 608481-2004
Balluff Set Point Controller, # BTA-S11-200, WARRANTY
Tailstock Turret Attachment Hardinge Super Slant III
NEW Allen Bradley Bar Code Decoder, # 2755-DM6 Series A
Fanuc Transformer, A80L-0026-0016, Used WARRANTY
Fanuc Transformer, A80L-0001-0517 A80L00010517, Used
Leuze Lumiflex Compact Light Curtain Set CR14-600 CT14
Mitsubishi PC Board FX53A, BN624A240H04, Rev G
Toyoda BL Super Servo Motor, 20BM090BBDT7 Rev 4 Absosyn
Kearney Trecker Analog Interface,1-206?41-02, Warrenty
Motortronics K Plus Controller, # KP1-403, WARRANTY