自力式控制閥技術(shù)精品PPT課件

1、 自力式控制閥技術(shù)培訓(xùn)1自力式控制閥技術(shù)培訓(xùn)什么是自力式控制閥？ 依靠流經(jīng)閥內(nèi)介質(zhì)自身的壓力、溫度作為能源驅(qū)動(dòng)閥門(mén)自動(dòng)工作，不需要外接電源和二次儀表。利用閥輸出端的反饋信號(hào)（壓力、壓差、溫度）通過(guò)信號(hào)管傳遞到執(zhí)行機(jī)構(gòu)驅(qū)動(dòng)閥瓣改變閥門(mén)的開(kāi)度，達(dá)到調(diào)節(jié)壓力、流量、溫度的目的調(diào)節(jié)閥 2自力式控制閥技術(shù)培訓(xùn) 一、 自力式控制閥的分類(lèi)3自力式控制閥的分類(lèi)按被調(diào)參數(shù)分：壓力（差壓）調(diào)節(jié)型溫度調(diào)節(jié)型流量調(diào)節(jié)型4自力式控制閥的分類(lèi)一、溫度調(diào)節(jié)型5自力式控制閥的分類(lèi)溫度調(diào)節(jié)型6自力式控制閥的分類(lèi)ValveValve bodySeatPlugBellows housingBalancing bellowsPlug

2、 stem7自力式控制閥的分類(lèi)Control thermostatOperating elementPositioning pinPositioning bellowsCapillary tubeTemperature sensorPistonSet point adjusterSet point dial8自力式控制閥的分類(lèi)典型應(yīng)用9自力式控制閥的分類(lèi)二、流量調(diào)節(jié)型10自力式控制閥的分類(lèi)1 Valve body1.1 Connection nut with seal and weld-on fitting1.2 Restriction for adjusting flow rate limi

3、tation1.3 Cap for set point adjuster (restriction)11自力式控制閥的分類(lèi)2 Seat (exchangeable)3 Valve plug (pressure-balanced)4 Plug stem5 Positioning spring6 Actuator7 Operating diaphragm8 Control line for high pressure12自力式控制閥的分類(lèi)按調(diào)節(jié)方式分：上游壓力調(diào)節(jié)型下游壓力調(diào)節(jié)型13自力式控制閥的分類(lèi)上游壓力調(diào)節(jié)型：INLET PRESSUREOUTLET PRESSUREATMOSPHERIC

4、PRESSURE14自力式控制閥的分類(lèi)下游壓力調(diào)節(jié)型：INLET PRESSUREOUTLET PRESSUREATMOSPHERIC PRESSURE15自力式控制閥的分類(lèi)按動(dòng)作方式分：直動(dòng)式指揮器作用式16自力式控制閥的分類(lèi)直動(dòng)式：又稱(chēng)彈簧負(fù)載式，利用彈性力與反饋信號(hào)平衡的原理。INLET PRESSUREOUTLET PRESSUREATMOSPHERIC PRESSURE17自力式控制閥的分類(lèi) 指揮器作用式： 增加了一個(gè)指揮器（先導(dǎo)閥）它起到對(duì)反饋信號(hào)的放大作用然后通過(guò)執(zhí)行機(jī)構(gòu)，驅(qū)動(dòng)主閥閥瓣運(yùn)動(dòng)達(dá)到改變閥開(kāi)度的目的 18自力式控制閥的分類(lèi)INLET PRESSUREOUTLET PRE

5、SSURELOADING PRESSUREATMOSPHERIC PRESSURE19自力式控制閥技術(shù)培訓(xùn)二、 本項(xiàng)目常用自力式控制閥20本項(xiàng)目常用自力式控制閥 上游壓力調(diào)節(jié)型：98系列、Y695系列 下游壓力調(diào)節(jié)型：95系列、Y690系列、 Y692系列、627系列、ACE95系列、 指揮器動(dòng)作型：1190系列、1098系列21自力式控制閥技術(shù)培訓(xùn)三、 67系列自力式控制閥2267系列自力式控制閥67CF Series Filter RegulatorsThe 67CF Series regulators are typically used to provide constantly co

6、ntrolled, reduced pressures to pneumatic and electropneumatic controllers and other instruments. These direct-operated regulators are suitable for most air or gas applications. Other applications include providing reduced pressures to air chucks, air jets, and spray guns.2367系列自力式控制閥INLET PRESSUREOU

7、TLET PRESSUREATMOSPHERIC PRESSUREAdjusting ScrewValve PlugSpring CaseValve SpringDrain ValveFilter ElementControl SpringPusher PostDiaphragm PlateDiaphragmSeat2467系列自力式控制閥Construction MaterialsBody, Spring Case : Aluminum (ASTM B85/Alloy 380)Pusher Post: Polyester resinUpper Spring Seat: Zinc-plated

8、 steelDiaphragm Plate: Zinc-plated steelAdjusting Screw: Zinc-plated steelFilter Retainer: Zinc-plated steelValve Plug: Brass stem with nitrile (NBR) plug(standard); aluminum stem with nitrile (NBR) orfluoroelastomer (FKM) plug; or stainless steel stem with nitrile (NBR) or fluoroelastomer (FKM)plug

9、 (optional)Soft Seat: Nitrile (NBR) (standard), or fluoroelastomer (FKM) (optional)Diaphragm and O-Rings: Nitrile (NBR) (standard),fluoroelastomer (FKM), or silicone (VMQ) (optional)Control Spring: Plated steel (standard) or Inconel (for 67CFR NACE)Valve Spring: Stainless stee (standard) or Inconel

10、(NACE)Drain Valve: Brass (standard), aluminum, or stainless steel (optional)Filter Element: Cellulose (standard), glass fiber, or stainless steel (optional)2567系列自力式控制閥Features： Internal ReliefThe Type 67CFR has an internal relief valve with a soft seat for reliable shutoff with no discernible leaka

11、ge. Panel MountingPanel mount construction includes spring case with 1/4-inch NPT vent, handwheel adjusting screw, and mounting nut. Instrument Supply RegulatorProvides a clean air supply to a variety of pneumatic and electropneumatic instrumentation. Pressure Loading RegulatorProvides high accuracy

12、 and improved performance in dirty steam service by eliminating the need for a pilot regulator2667系列自力式控制閥Maximum Inlet Pressure (Body Rating)：250 psig (17.2 bar)AccuracyInlet Sensitivity: Less than 0.2 psig (0.014 bar) change in outlet pressure for every 25 psig(1.72 bar) change in inlet pressureRe

13、peatability: 0.1 psig (0,0069 bar) Air Consumption: testing repeatedly shows no discernible leakage2767系列自力式控制閥Regulator Temperature CapabilitiesWith Nitrile (NBR): -40 to 180F (-40 to 82C)With Fluoroelastomer (FKM): 0 to 300F (-18 to 149C)With Silicone (VMQ): -60 to 180F (-51 to 82C)2867系列自力式控制閥296

14、7系列自力式控制閥3067系列自力式控制閥67CFR作為過(guò)濾減壓器使用電氣閥門(mén)定位器穩(wěn)態(tài)時(shí)空氣耗量標(biāo)準(zhǔn)放大器: 供氣壓力為1.4bar（20psig）時(shí):小于0.4 標(biāo)準(zhǔn)m3/hr（14scfh）供氣壓力為5.5bar（80psig)時(shí):小于1.4 標(biāo)準(zhǔn)m3/hr(49scfh)Example：當(dāng)閥門(mén)供氣壓力為2.5bar時(shí)，如何選擇過(guò)濾減壓器。3167系列自力式控制閥Ordering GuideType (Select One) Type 67CF (without internal relief)* Type 67CFR (with internal relief)*Spring Case

15、 Style (Select One) Standard with drilled hole vent* Handwheel adjusting screw* Panel mount (includes 1/4-inch spring case vent, handwheeladjusting screw, and mounting nut)* Closing cap and 1/4-inch NPT spring case vent*Outlet Pressure Range (Select One) 0 to 20 psig (0 to 1,4 bar) (not available fo

16、r NACE)* 0 to 35 psig (0 to 2,4 bar)* 0 to 60 psig (0 to 4,1 bar)* 0 to 125 psig (0 to 8,6 bar)*Diaphragm, O-Rings, and Valve Plug (Select One) Nitrile (NBR) (standard)* Fluoroelastomer (FKM)* Silicone (VMQ) diaphragm, O-rings, and nitrile valve plug*Filter Material (Select One) Cellulose (40 micron

17、s) (standard)* Glass (10 microns)* Stainless steel (40 microns)*Drain Valve (Select One) Brass (standard)* Aluminum* Stainless steel*3267系列自力式控制閥Drain Valve Location (Select One) Position 1 - Aligned with inlet (standard)* Position 2 Position 3 Position 4Spring Case Vent Location (Select One) Positi

18、on 1 - Aligned with inlet (standard)* Position 2 Position 3 Position 4Second Outlet (Select One) Open (standard)* Plugged with pipe plug* Tire Valve* Pressure Gauge (see below)Triple Scale Pressure Gauge (Optional)Brass Gauge 0 to 30 psig/0 to 0.2 MPa/0 to 2 bar* 0 to 60 psig/0 to 0.4 MPa/0 to 4 bar

19、* 0 to 160 psig/0 to 1.1 MPa/0 to 11 bar*Stainless Steel Gauge 0 to 30 psig/0 to 0.2 MPa/0 to 2 bar* 0 to 60 psig/0 to 0.4 MPa/0 to 4 bar* 0 to 160 psig/0 to 1.1 MPa/0 to 11 bar*NACE (MR0175) Construction (Optional) Yes*Ammonia Service Construction (Optional) Yes*Replacement Parts Kit (Optional) Yes

20、, send one replacement parts kit to match this order.33自力式控制閥技術(shù)培訓(xùn)四、 95系列自力式控制閥3495系列自力式控制閥95 Series Industrial Pressure RegulatorsThe 95 Series regulator is a compact, large-capacity, self-operated pressure regulator. The unit is available in 1/4 through 2-inch sizes and is offered in several differ

21、ent end connection configurations. They are designed to handle pressures up to 600 psig (41.4 bar) and temperatures up to 650F (343C). This product can help solve the toughest pressure control applications. Typical applications include superheated steam, steam tracing, nitrogen purging, boiler feed

22、water, process chemicals, cooling water, test fixtures, wash tanks, sterilizers/autoclaves, fuel lines, pneumatic supply, and many others.3595系列自力式控制閥95H or 95HT REGULATOR95L REGULATOR95HD REGULATOR3695系列自力式控制閥Principle of OperationThe Type 95 (refer to figure 4) is a direct operated regulator. Down

23、stream pressure is registered internally through the body to the under side of the diaphragm. When the downstream pressure is at or above the set pressure, the disk is held against the seat, and there is no flow through the regulator. When demand increases, downstream pressure drops slightly allowin

24、g the spring to extend, moving the stem down and the disk away from the seat. This allows flow through the body to the downstream system. Types 95H, 95L,95HT, 95HC and 95LC use spring force to regulate outlet pressure. Types 95HD and 95LD use spring force to maintain a differential pressure between

25、spring case loading pressure and outlet pressure.3795系列自力式控制閥Available ConfigurationsType 95L: Low-pressure regulator for 2 to 30 psig(0.1 to 2.0 bar) outlet pressuresType 95H: High-pressure regulator for 5 to 150psig (0.34 to 10 bar) outlet pressuresType 95LD: Low-pressure differential regulator fo

26、r 2 to 30 psig (0.1 to 2.0 bar) differentialpressures with handwheels and packing boxType 95HD: High-pressure differential regulator for 5 to 150 psig (0.34 to 10 bar) differential pressures with handwheel and packing boxType 95HP: High-pressure regulator for 5 to 400psig (0.34 to 28 bar) outlet pre

27、ssures (soft seated)Type 95HT: High-pressure/high temperatureregulator for 5 to 300 psig (0.34 to 21 bar) outletpressures (metal seat) and up to 650F (343C)Type 95LC: Low-pressure regulator for 2 to 30psig (0.1 to 2.0 bar) outlet pressures for cold temperature applications down to -325F (-198C)Type

28、95HC: High-pressure regulator for 5 to 150 psig (0.34 to 10 bar) outlet pressures for cold temperature applications down to -325F (-198C)3895系列自力式控制閥Body and Orifice Sizes1/4-inch body: 1/4-inch (6.4 mm) orifice1/2-inch body: 3/8-inch (9.5 mm) orifice3/4 and 1-inch bodies: 9/16-inch (14.3 mm) orific

29、e1-1/2 and 2-inch bodies: 1-1/16-inch (27 mm) orifice3995系列自力式控制閥Maximum Pressures4095系列自力式控制閥1. Maximum inlet for Types 95HT and 95HP is 600 psi (41.4 bar) or body rating limit, whichever is lower. Values listed for the Type 95HT assume temperatures of 650F (343C), and 100F (37.8C) for the Type 95H

30、P.2. 1/4-inch bodies shall be provided with 1/2-inch flanges.3. Maximum outlet pressure for the stainless steel Type 95HP is 550 psi (37.9 bar) or flange rating limit, whichever is lower.4. Maximum outlet pressure for the Type 95HT is 450 psi (31.0 bar) or flange rating limit, whichever is lower.419

31、5系列自力式控制閥Flow Coefficients for all Type 95 Regulators4295系列自力式控制閥Body Sizes and Pressure Ranges4395系列自力式控制閥Body Sizes and Pressure Ranges4495系列自力式控制閥Air SCFH Capacities for 1/4 through 1-Inch Types 95L and 95LD Regulators with Elastomer Diaphragm4595系列自力式控制閥95系列自力式控制閥選型舉例46自力式控制閥技術(shù)培訓(xùn)五、 98系列自力式控制閥479

32、8系列自力式控制閥TYPE 98L WITH COMPOSITION SEATVALVE PLUG AND PUSHER POSTASSEMBLY USED IN 98 SERIESTYPE 98LD WITH METAL SEAT4898系列自力式控制閥The 98 Series is used for back pressure or relief applications in liquid, gas, air, and steam service. The Types 98L, 98H, and 98HH are self-operated and spring loaded, whi

33、le the Types 98LD and 98HD use additional pressure loading to maintain relief differential relief pressure settings, or for remote set point adjustment.49自力式控制閥技術(shù)培訓(xùn)六、 627系列自力式控制閥50627系列自力式控制閥ADJUSTINGSCREW CAPADJUSTINGSCREWSCREENEDVENTASSEMBLYSPRING CASEDIAPHRAGM CASINGPUSHERPOSTSEAT RINGPITOT TUBED

34、ISK ASSEMBLYCONTROL SPRING51627系列自力式控制閥The 627 Series self-operated pressure reducing regulatorsare for low and high pressure systems. These regulators can be used with natural gas, air, or a variety of other gases. Performance characteristics vary according to construction.52627系列自力式控制閥Maximum Inle

35、t Pressure (Body Rating)2000 psig (138 bar) for screwed steel, 1480 psig (102 bar) for RF flanged steel, or 1000 psig (69 bar) for ductile ironMaximum Valve Disk Inlet Pressure Rating 2000 psig (138 bar) for nylon disk, 1000 psig (69 bar) for nitrile disk or 200 psig (14 bar) for fluoroelastomer dis

36、k53627系列自力式控制閥627系列自力式控制閥選型舉例54自力式控制閥技術(shù)培訓(xùn)七、 Y690系列自力式控制閥55Y690系列自力式控制閥The Y690A Series Gas Blanketing Regulator System reduces a high pressure gas, such as nitrogen, to maintain a protective environment above any liquid stored in a tank or vessel. The regulator system replaces the volume of vapors w

37、ith a volume of blanketing gas to prevent the internal vessel pressure from decreasing, when liquid is being pumped out or when the vessel is suddenly cooled, causing vapors to contract. In both cases a slight positive vessel pressure prevents outside air, moisture and other contaminants from enteri

38、ng the vessel. The Type Y690A is a direct-operated regulator used for accurate pressure control on very low pressure blanketing systems. Downstream pressure is sensed through a pitot tube installed in the lower casing of the regulator, thus no external control line is required. The Type Y690AM uses

39、a control line to more accurately control the pressure if the regulator is mounted away from the tank56Y690系列自力式控制閥SOFT DISKORIFICEPITOTTUBESPRINGCASECONTROL SPRINGCLOSING CAP57Y690系列自力式控制閥58Y690系列自力式控制閥Available ConfigurationsType Y690A: Direct-operated pressure reducing regulator for outlet pressu

40、res up to 7-inches w.c.(17 mbar) equipped with a pitot tube for greater regulated capacities.Type Y690AH: Direct-operated pressure reducing regulator for outlet pressures up to 7 psig (483 mbar) equipped with a pitot tube for greater regulated capacities.Type Y690AM: Direct-operated pressure reducin

41、g regulator for outlet pressures up to 7-inches w.c.(17 mbar) equipped with a blocked throat and O-ring stem seal. The lower diaphragm casing is tapped 1/2-inch NPT screwed for control line connection.Type Y690AHM: Direct-operated pressure reducing regulator for outlet pressures up to 7 psig(480 mba

42、r) equipped with a blocked throat and O-ring stem seal. The lower diaphragm casing is tapped 1/2-inch NPT for control line connection.59Y690系列自力式控制閥60Y690系列自力式控制閥Y690系列自力式控制閥選型舉例61自力式控制閥技術(shù)培訓(xùn)八、 Y695系列自力式控制閥62自力式控制閥技術(shù)培訓(xùn)九、 1098系列自力式控制閥631098系列自力式控制閥入口壓力出口壓力負(fù)載壓力大氣壓力61LD 系列1806 型641098系列自力式控制閥Type 1098-E

43、GR-6351 Regulator Schematic651098系列自力式控制閥VALVEPLUGSPRINGUNBALANCEDVALVE PLUGMAINVALVEPLUGPIPE NIPPLETHAT CONNECTSTO PILOT SIDETAPPINGBLEED HOLETRAVEL INDICATORWITH REMOVABLEPROTECTORCONTROL LINECONNECTION661098系列自力式控制閥標(biāo)準(zhǔn)單指揮器安裝圖671098系列自力式控制閥典型的雙指揮器鍋爐燃料安裝圖681098系列自力式控制閥鍋爐燃料配置圖691098系列自力式控制閥工作原理指揮器作用式1098-EGR型控制閥使用入口壓力作為操作介質(zhì)，它經(jīng)指揮器的操作被減壓后加載于執(zhí)行機(jī)構(gòu)閥膜。出口或下游壓力與執(zhí)行機(jī)構(gòu)內(nèi)的加載壓力相抗衡，同時(shí)也抗衡指揮器控制彈簧力。在工作時(shí)，假設(shè)出口壓力低于指揮器控制設(shè)定值。指揮器閥膜上的控制彈簧力便打開(kāi)指揮器閥塞，給執(zhí)行機(jī)構(gòu)閥膜提供額外的加載壓力。這個(gè)加載壓力迫使執(zhí)行機(jī)構(gòu)桿向前移動(dòng)，經(jīng)彈性連接結(jié)構(gòu)打開(kāi)主閥閥塞。閥塞的向上移動(dòng)使氣體能通過(guò)閥籠流入下游系統(tǒng)。當(dāng)下游的需求量滿(mǎn)足后，出口壓力趨于上升，并作用于指揮器和執(zhí)行機(jī)構(gòu)閥膜上。這個(gè)壓力