FV阀门,FV代表什么

JD745X—10—DN350是一种多功能水泵控制阀，其型号含义如下：

J——表示阀门种类为截止阀

7——表示阀门驱动形式为液压传动。

4——阀门的连接形式为法兰

。

5——表示阀门结构形式为直流式。

X——密封面材质代号，X为橡胶材质。

10—不知道。可能是工作压力10Mp。

DN350—公称口径。

Multifunctional Pump Control Valve

1, uses

Installed in the pump outlet pipe Road, both electric valves, reversed water valves and water hammer eliminator three kinds of functions, effectively improve the safety and reliability of water supply, water supply engineering equipment in line with the requirements of mechanization and automation.

2, Features

1, eliminating water hammer and high reliability. Kai slowly closing devices, closed-chain movements are related to kick Editionautomatically closing speed, without the actual pump flow, head fluctuations, the calculation of time without closing speedwithout professional and technical personnel on-site adjustmentwithout any electrical appliances, as well as hydraulic components, fewer failure points.

2, eliminating water hammer effect is good. Will be closed fast, slow to absorb water hammer device closure, as well as the elimination of three who is blowing the technical principles of integrated design, so that less water hammer pressure pump shut down to the lowest limit.

3, operation and easy maintenance. Just pump operation of the hoist motor starter button, the valve that the pump operating procedures in accordance with automatic opening and closing. The key parts are all made of high-quality materials, and basic maintenance-free.

4, energy-saving effect is good. Use of streamlined, body models and the latest patented technology design, and import similar products, compared to reduce the resistance loss of more than 50%.

4, the structure (Figure 1)

Multifunctional pump control valve is from the main valve and the appearance of annexes, the main valve from the valve body, diaphragm (piston-cylinder), stem component, the main valve plate, valve seat and other major components composed mainly controlled exterior accessories valves, filters, emptying valve, micro valve, which valve is specially designed micro-parts, in their only set back to the direction of flow of holes is limited.

2, manual operation of hoist

In pump operation, the first manual control patch connectivity control room (piston-cylinder) control valves and venting valve, so that the pressure P3 or P4 equal to zero, a one-way pressure diaphragm pressure plate or piston can check the valve plate open and close of . The valve is turned on, due to slow-closing valve plate up, the main water valve plates have been cast aside and the realization of open movementsvalve is turned off, slow-closing valve plate promoting the valve plate closed.

6, installation considerations (Figure 4)

General Note:

1, the installation, be sure to check whether the various components of the main valve intact, solid pieces of complete, no loose.

2, check the connecting pipe intact, joint fastening.

3 ensure that the minimum pressure to meet the technical parameters required action.

4, the best way is to install the valve installed on the level of the main pipe, valve cover upward.

5 that if the main valve installed in the overcast wells should be prepared to stay a certain space for maintenance and technical personnel.

6, the installation, please note that outside the arrows indicate the direction of valve shall be anti-loaded.

7, such as to conduct and observe the pressure regulator, pressure gauge shall be installed in the import and export side.

8, for the fire to start the inspection on a regular basis, to prevent the generation scale, resulting in valve failure.

Particular attention to matters:

1, installation, pay attention to check the cleaning pipes, without welding slag, bolts and other foreign matter.

2, pipe installation should be installed into the regulatory requirements relating to exhaust valves and other devices to ensure that disruption does not produce the water column.

3, valve imported paragraph shall be installed expansion joints flexible joints or pipes.

4, there are potential hazards of water hammer pumping station, pump shut down should be carried out calculation of water hammer.

7, commissioning steps

2, manual operation test:

(1) Kai pump key to whether the observation of the leaking valve import and export of pressure are normal.

(2) to open, the control valve (14) closedemptying valve (15) closed, and then emptying valve (7) to open, then there is air or water discharge, indicating valve plates are openvalve plate to open in place, emptying valve (7) does not flow out, then the proof of justice is openvalve plate to open in place, emptying valve (7) does not flow out, then the proof of the piston-cylinder diaphragm intactemptying valve (7) is still flowing out, then the membrane film damage.

(3) the valve manually shut down: The pipe on the bypass control valve (2), closed, control valve (14) open, exhaust valve (7), closed, and then emptying valve (15) open, then there is water discharges, slow-closing valve plate to promote the main valve plate closedin the absence of water from the time that valve plate has been completely shut down. If the valve plate after the closure of emptying valve (15) is still flowing out, then we can see diaphragm seat (cylinder) and pass sets have been leaked (ie, pass bearing the "O"-rings have been damaged).

From the above two actions can be tested headstock stem movement is a reliable group of two. Tightness of the closure of valve plate check valve plate can be closed or observe whether there are water pipes sound meter.

3, stop pump slow closing time to adjust:

Closing time can be slow to stop pump by regulating the control valve on the bypass pipe (14) opening to regulate, should make fun of first control valve to extend the closing time delay. Into the slow closing time is too long, it will control valve (14) of the opening increases, or increasing the connecting pipe diameteror slow closing time is too short, you can control valve (14) of the opening tune small.

If abnormal, please click Table 2 approach or directly with the company.

闸阀、逆止阀、水锤消除器三种阀件。这三种阀件在水泵的运行过程中分别起着不同的作用。多功能水泵控制阀是安装在高层建筑给水系统以及其他给水系统的水泵出口处，防止介质倒流、水锤及水击现象的智能型阀门。

air release valve放空阀

Globe valve 截止阀

cutout valve 切断阀

control valve控制阀

adjustable valve调节阀

afety valves安全阀

blowdown valve 排污阀

atmospheric valve排空阀

液压专业英语词汇

acceptable conditions许用工况

actual conditions实际工况

actual force实际输出力

air contamination空气污染

air consumption耗气量

air conditioner unit空气处理单元

air filter空气过滤器

adjustable restrictive valve可调节流阀

amplifier放大器

amplitude ratio幅值比

analogue amplifier模拟放大器

anti-corrosive quality抗腐蚀性

automatic cycle自动循环

axial piston pump轴向柱塞泵

back pressure背压

bladder accumulator气囊式蓄能器

bleed line放气管路

bonded washer组合垫圈

breakout pressure启动压力

butterfly valve蝶阀

cartridge valve插装阀

cavitation气穴

charge pressure充油压力

check valve单向阀

circle循环

circuit diagram回路图

clamper管卡

closed circuit闭式回路

collapse pressure压溃压力

compensator避震喉

composite seal复合密封件

continuous working conditions连续工况

control of pump泵的控制

control console操作台

control panel控制屏

cooler冷却器

counterbalance valve平衡阀

cracking pressure开启压力

cushioning缓冲

cylinder缸

cycling speed循环速度

De-energizing of solenoid 电磁铁释放

density密度

diaphragm valve膜片阀

differential circuit差动回路

differential cylinder差动缸

differential pressure instrument压差计

digital amplifier数字放大器

direction of rotation旋转方向

directly operated type直动式

displacement排量

dither颤振

double-acting cylinder双作用缸

Double throttle check valve 双单向节流阀

drain line泄油管路

drift漂移

drive shaft coupling联轴器

dwell phase停止工步

duplex filter双筒过滤器

efficiency效率

effective filtration area有效过滤面积

elastomer seal弹性密封件

elbow弯头

electrical pressure transducer压力传感器

external leakage外泄漏

extend stroke外伸行程

filter pressure drop过滤器压降

fitting；connection接头

fixed restrictive valve固定节流阀

flared fitting扩口式接头

flash point闪点

flexible hose软管

flange connection法兰接头

flange mounting法兰安装

flow-combining valve集流阀

flow control valve流量控制阀

flow control circuit调速回路

flow divider valve分流阀

flow gain流量增益

flow limit流量极限

flow line管路

flow meter流量计

flow pass流道

flow rate流量

Flow valve 流量阀

flower factor流量系数

foot mounting底座安装

force输出力

four-way valve四通阀

free position自由位

frequency response频率响应

function diagram功能图

gate valve闸阀

gear pump齿轮泵

global(ball) valve球阀

graphical symbol图形符号

heat exchanger热交换器

heater加热器

hydraulic lock液压锁紧

hydraulic motor液压马达

hydraulic power流体传动

hydraulics液压技术

hydrodynamics液力技术

hydropneumatics气液技术

hysteresis滞环

hydraulic amplifier液压放大器

hydraulic controlled type液控式

instantaneous conditions瞬态工况

internal leakage内泄漏

inlet pressure进口压力

induced pressure负载压力

kinematic viscosity运动粘度

laminar flow层流

lap遮盖

leakage泄漏

limited conditions极限工况

linearity线性度

linear region线性区

liquid contamination液体污染

liquid level measuring instrument液位计

lubricator油雾气

manually operated type手动式

manifold block油路块

mechanically controlled type机械控制式

mechanical seal机械密封

meter-in circuit进口节流回路

meter-out circuit出口节流回路

Manifold block 集成块

needle valve针阀

neutral position中位

nitrile butadiene rubber；NBR丁腈橡胶

noise level噪声等级

nominal filtration rating公称过滤精度

nominal pressure公称压力

nozzle flapper喷嘴挡板

null bias零偏

null drift零漂

null(quiescent) leakage零位内泄漏

one-way restrictive valve单向节流阀

opening开口

open circuit开式回路

operating conditions运行工况

operating pressure运行压力

outlet pressure出口压力

over lap正遮盖

override pressure调压偏差

override control优先控制

packing seal填料密封

peak pressure峰值压力

phase工步

phase lag相位移

Pilot valve 先导阀

pilot pressure控制压力

pilot-controlled check valve液控单向阀

pilot-operated type先导式

Pilot operated check valve 液控单向阀

piston pump柱塞泵

pilot line控制管路

pipe-work管路布置

piston seal活塞密封

polytetrafluoroethene；PTFE聚四氟乙烯

poppet valve锥阀

portable particle counter便携式颗粒检测仪

port油口

Position feedback 位置反馈

power station液压泵站

pre-charge pressure充气压力

pressure control circuit压力控制回路

pressure drop；differential pressure压降

pressure gauge压力表

Pressure relief valve 压力溢流阀

pressure switch压力开关

pressure time diagram压力－时间图

pressure relief valve压力控制阀

pressure relief valve溢流阀

pressure reducing valve减压阀

Progressive flow 渐增流量

Proportional valve 比例阀

proof pressure耐压试验压力

pulse generator脉冲发生器

quick release coupling快换接头

radial seal径向密封

rapid advance phase快进工步

rapid return phase快退工步

rated conditions额定工况

rated flow额定流量

rated pressure额定压力

rear end无杆端

Rectifier plate 节流板

reducer fitting异径接头

replenishing line补液管路

reservoir fluid capacity油箱容量

resolution分辨率

retract stroke内缩行程

return line回油管路

repeat ability重复性

reproducibility复现性

rigid tube硬管

ripple波动

rod end有杆端

rod seal活塞杆密封

rotary seal旋转密封

Rotary knob 旋钮

rust protection防锈性

safety circuit安全回路

sandwich valve叠加阀

Sandwich plate valve 叠加阀

sealed reservoir闭式油箱

sensor传感器

sequence valve顺序阀

servo-valve伺服阀

shut-off valve截止阀

shuttle valve梭阀

silencer消声器

single-acting cylinder单作用缸

slide valve滑阀

solid contamination固体颗粒污染

Solenoid valve 电磁阀

speed regulator valve调速阀

static pressure静压力

sticking液压卡紧

steady-state conditions稳态工况

stiffness刚度

sub-plate底板

sub-plate valve板式阀

Sub-plate mount 板式安装

suction pressure吸入压力

supply flow供给流量

surge pressure冲击压力

system pressure系统压力

symbols for hydraulic and pneumatic components液压气动元件图形符号

symbols for fluid logic devices流体逻辑元件图形符号

symbols for logic functions逻辑功能图形符号

symmetry对称度

synchronizing circuit同步回路

telescopic cylinder伸缩缸

thermostat温度控制器

threshold阈值

Throttle valve 节流阀

transfer function传递函数

turbulent flow紊流

under lap负遮盖

unloading valve卸荷阀

valve阀

valve element阀芯

valve element position阀芯位置

variable displacement pump变量泵

valve pressure drop阀压降

valve polarity阀极性

viscosity粘度

water content含水量

welded fitting焊接式接头

wiper seal；scraper防尘圈密封

working cycle工作循环

working pressure工作压力

working phase工作工步

working stroke工作行程

working line工作管路

vane pump叶片泵

zero position零位

zero lap零遮盖

二、介质类

Emulsion 乳化液

Inhibitor缓蚀剂

Phosphate ester (HFD-R) 磷酸甘油酯

Synthetic lubricating oil 合成油

Water-glycol (HFC) 水-乙二醇

三、液压安装工程

Abrasion 摩擦

Argon 氩气

Butt welding 对接焊

Contamination 污染

Creep爬行

Dipping process 槽式酸洗

Extension （活塞杆）缩回

Failure 失效

Flushing 冲洗

Grout 灌浆

Inert gas welding 惰性气体焊

Jog 点动

Malfunction 误动作

Nitric acid 柠檬酸

Passivity 钝化

Pickling 酸洗

Retract（活塞杆）伸出

Re-circulation 循环

Socket welding 套管焊

四、管接头

Adjustable fittings/swivel nut 旋转接头

Banjo fittings 铰接式管接头

Bite type fittings 卡套式管接头

Bulkhead fittings 长直通管接头

Female connector fittings 接头螺母

Mal stud fittings 端直通管接头

Reducers extenders 变径管接头

Tube to tube fittings 接管接头

union 直通接管接头

union elbow 直角管接头

union tee 三通管接头

union cross 四通管接头

Weld fittings 焊接式管接头

五、伺服阀及伺服系统性能参数

accessory 液压辅件

actuator 执行元件

cartridge valve 插装阀

circuit 液压回路

Coil impedance 线圈阻抗

common valve 普通阀

cylinder 液压缸

DDV-direct drive valve 直动式伺服阀

directional valve 方向控制阀

Dither 颤振电流

Dynamic response 动态频响

Flow saturation 流量饱和

flow valve 流量控制阀

Frequency response 频率响应

Hysterics 滞环

hydraulic system 液压系统

Lap 滞后

Linearity 线形度

motor 液压马达

NFPA-National Fluid Power Association 美国流体控制学会

Nozzle flapper valve 喷嘴挡板阀

Null 零位

Null bias 零偏

Null shift 零飘

pressure control 压力控制回路

pressure valve 压力控制阀

pump 液压泵

speed control 流量（速度）控制回路

directional valve control 方向控制回路

Phase lag 相位滞后

position control 定位回路

Pressure gain 压力增益

security control 安全回路

sequeunt circuit 顺序动作回路

Servo-jet pilot valve 射流管阀

Slope 曲线斜坡

superimposed valve叠加阀

Symmetry 对称性

synchronise circuit 同步回路

Threshold 灵敏度

valve 阀、

德国VAG 阀门公司生产的RKV、RKV RIKO活塞式流量调节阀。活塞式流量调节阀与只用作管线切断的蝶阀和闸阀不同，活塞阀是能满足各种特殊调节要求的阀门。其调节功能是靠一类似于活塞状圆柱体在阀腔内作轴向运动来实现的，它的行程与管内水流方向是一致的。水流从轴向弧状进入外壳，活塞阀内的流道为轴对称形，流体流过时不会产生紊流。流道面积的改变是通过一个活塞沿管道轴向做直线运动实现。无论活塞在何位置，阀腔内的水无论活塞运动到任何位置，阀腔内无论任何位置的水流断面均为环状，在出口处向轴心收缩，从而达到最佳防气蚀，从而避免因节流而可能产生的气蚀对阀体和管道的破坏。

活塞阀阀体设计成一个整体，具有高流通能力，开度与流量成线性关系，能有效地避免气蚀和震动。内壳有流线型的导流肋和外壳相连，不锈钢活塞被可靠导引滑动，杜绝产生倾斜或运行不畅。内壳上游的端面成球形，使水流形成一个渐变过程，活塞用安装在壳内的曲柄连杆来操作。活塞阀采用金属对金属及金属与橡胶双重密封，实现双向气泡级密封。因此从而达到密封系统使用寿命长，关闭严密。

由于活塞阀的结构特殊，根据运行工况的不同，阀的过水特性可以用阀下游出水口出口部件的型式来调节（可更换出口部件），从而适应不同目的的工况要求，达到最佳的调流效果。出口调节型部件有四种：第一种E型，具有截弯取直和沿端座下游横截面突然放大结构，从而消除气蚀破坏。适用于控流，高压差，背压大的场合，而截弯取直，横截面突然放大结构可以减小气蚀效应。第二种S型，其关闭的导向部件有开槽的套筒。适用于控流、调节高压差及足够的背压大的场合，它的调节性与流体状态匹配，可以达到较佳的效果。第三种F型，在阀体出口部分具有短扩散管作用，适用于调节及启闭场合，起到开关作用。启闭时水头损失非常小，完全开启时阻力小。第四种LH或SZ型，在阀腔内的活塞关闭的导向部件安装了有防气蚀的多孔环网，适用于调节、防气蚀、高压差、背压小（蓄水池入口处），它的控流调节特性和运行工况要求最佳匹配，从而达到了消除气蚀效应。

VAG活塞阀在引水方面可以用作泄放阀和防爆管阀，在贮存时VAG活塞阀LH型、E型可以用作液位或压力调节阀，在输水上VAG活塞阀LH型、S型可以用作流量调节阀，E型，LH型或SZ型可用作放净阀或灌管阀，在污水、水处理VAG活塞阀可以用作泵启动保护阀，或是配备特殊的调节出口部件，也可以用在水处理厂的流量调节阀，E型活塞阀亦可以用作污水处理厂气量调节阀，在供水上VAG活塞阀根据液态工况采用不同的出口部件，用作压力/流量调节阀，例如管网压力平衡。

多功能水泵控制阀同时具有闸阀、逆止阀、水锤消除器三种阀件。

这三种阀件在水泵的运行过程中分别起着不同的作用。

多功能水泵控制阀由主阀和调节阀及接管系统组成，阀体采用直流式阀体，主阀控制室为膜片式或活塞式的双控制室结构，控制室比一般水力控制阀增加了一个，增加了对主阀的控制功能，实现了对水泵出口的缓慢开启、全开、缓闭、截止等多功能控制，实现了一个阀门、一次调节对水泵出口的多功能控制。本产品用于高层建筑给水系统和其它给水系统的水泵出口管路上，防止和减弱水泵启闭时管线的水锤水击，防止水倒流保护水泵，维护管路安全。为了实现水泵运行的自动化，简化管理，减轻劳动，提高可靠性，人们用水力阀门和电动阀门取代手动阀门，对单体阀门进行多项技术改进，出现了缓开缓闭逆止阀、缓动启闭水力阀门、自动缓闭闸阀、双速自闭阀等新型阀门。

基本功能：

闸阀

闸阀平时是处于关闭状态，水泵启动时闸阀慢慢打开，水泵停机时，闸阀先快速闭合，到了一定程度在慢慢闭合。水泵的闭闸启动和闭闸停车，可以有效的防止开泵水锤和停泵水锤，同时，减少了水泵启动时的电机负荷，水泵在零流量时的轴功率最小，一般仅为设计轴功率的30%。闸阀的另一个功能是，当闸阀关闭时，可以为安装在闸阀与水泵之间的逆止阀等阀件和水泵提供安全的检修条件，防止压水管的水回流。

逆止阀

逆止阀能防止突然断电时所造成的水流的流向改变，防止倒流。逆止阀的突然关闭易产生水锤现象。在水泵的几何扬水高度较大时，严重的水锤瞬间高压会导致管道破裂，发生严重的生产事故。

水锤消除器

水锤消除器能在无需阻止流体流动的情况下，有效地消除各类流体在传输系统可能产生的水外锤和浪涌发生的不规则水击波震荡，从而达到消除具有破坏性的冲击波，起到保护的目的。所以为了防止水锤对输水管道的破坏方法，往往在水泵的压水管上安装水锤消除器。

P/N:料号(物料编号) S/N:序列号 ASME B16.34:美国机械工程师协会法兰、螺纹和焊接端连接的阀门的标准 FLG Drilling: 法兰钻孔 Body:主体 Size:尺寸 Disc:阀板 Seat:阀座 Stem:阀杆 seal:密封件

这一段连起来翻译:

料号:401000-1100108F/S008序列号:C12043646遵循美国机械工程师协会关于法兰,螺纹和焊接阀门的标准 额定值:150#.285psi/100F法兰钻孔:150#；主体: 4A尺寸:10英寸阀板:4A阀座:RPTFE(增强型聚四氟乙烯)阀杆:318不锈钢密封件: PTFE(聚四氟乙烯).

电磁阀

按其所在的阀门就近原则用其阀门编号后加“-D”表示，“-D”表示“电磁阀”之意。

 减压阀

按其所在的阀门就近原则用其阀门编号后加“-J”表示，“-J” 表示“减压阀”之意。

逆止阀（止回阀）

按其所在的阀门就近原则用其阀门编号后加“-N”表示，“-N”表示“逆止阀”之意。

安全阀

按其所在的阀门就近原则用其阀门编号后加“-A”表示，“-A”表示“安全阀”之意。

滤水器

按其所在的阀门就近原则用其阀门编号后加“-L”表示，“-L”表示“滤水器”之意。

多功能水泵控制阀

多功能水泵控制阀上的其他阀门用多功能水泵控制阀阀门编号后加“-数字”表示，数字为1,2,3,4,5…..