NV 66e
浮球阀
用于管道系统
大流量, 不锈钢
进水排液阀 全不锈钢结构 PN....... 16
p.......... 0 - 2, 0 - 4, 0 - 8 Kvs...... 4 - 100 m3/h
DN...... 20 - 150 T.......... 80/130 °C
大流量, 铸造结构
选择工作压力范围 S最ele大ct工in作g 压th力e o必p须er不ati超ng过p阀re工ss作ur压e力ra范ng围e，如果不是，浮球阀不 Th会e正常ma关x闭im或um开启o。perating pressure of your system must be within the operating pressure range of the valve; if no容t,器t内he压fl力oat valve will not close or open.
DN....... NV 16: 15 - 100 NV 16e: 15 - 150
NV 26: 125 - 400
Kvs...... 2.6 - 1800 m3/h
T......... 130 °C
NV 16 16e 26
Special versions on request. All the pressure has always been indicated as overpressure. We reserve the right to alter technical specifications without notice
直接进水、排液阀
容器通过装在储罐上德法兰进水、排液
阀体碳钢，铬镍钼不锈钢
PN...... 10 p......... 0 - 2, 0 - 4, 0 - 8 bar Kvs...... 1.6 - 81 m3/h
DN...... 25 - 150 T.......... 130 °C
大流量, 铸造结构
F进e水ed和a排nd液d阀rain valves Fv进een水etd阀ov（avelv代refls号ow“(cinoZgd”.e）Dler在tatei浮nr 球"Zv上a")lv升ecls时os关e(c闭oads，et同hele时tftl防eora止t "液rAis"体e) s溢cal出onsd。e p排raest液he阀f（loa代t 号sin“kAs ”an）d，e当ns浮ur球e 下th降at时th阀e 关liq闭ui，d 确le保ve液l d面o不es会n低ot于d要rop b求el的ow水t平he。required level.
Mounting of float-controlled valves -安F装lo浮at球va控lv制es阀for installations in vessels are mounted
inside the vessel complete with float. - - Floa容t v器a中lve，s 完for全in装st在all容ati器on中o的n v浮es球se阀ls are flange-
温度 Temperature 如If t果he阀v需alv要e用is在to超b过e u8s0ed度fo温r t度em，p或er其atu他re温s 度ab比ov水e更80高°的C 液or体a，li-必 须qu检id查ot密he封r t件ha的n 可wa靠te性r, 。th对e c碳om氢p化at合ibi物lity，o如f t汽he油e，las石to油m等er，s m需u要st配 be checked. For hydrocarbons like gasoline, petrol etc., for exFaPmMple密, 封th材e料，va对lve更s高温ar度e 下f，itte可d 以配withEPDFMPM，如e果la需sto要m，er也s,可 以wh配ils硬t 密fo封r h。igher temperatures they are fitted with EPDM or, if necessary, with a metallic cone seal.
NV 94
G......... G 3/8 - 1 1/2A T......... 130/300 °C
DN...... 40 - 80 G......... 3/8 - 1 1/2A T......... 130 °C
DN....... 20 - 150 T.......... 80 °C
NV 12 12P
DN...... 15 - 200 T......... 80 °C
NV 67e
NV 55 55e 56
NV 80 82
Special versions on request. All the pressure has always been indicated as overpressure. We reserve the right to alter technical specifications without notice
液位控制阀
NV 98
浮球阀 用于储罐上
紧凑型不锈钢阀
进水、排液阀 做进水阀时只能用于封闭容器 全铬镍钼不锈钢结构
PN...... 16 p......... 0 - 2, 0 - 4, 0 - 8 bar Kvs...... 0.3 - 21 m3/h
通用阀
进水阀，用于开式或闭式储罐 可用平行导杆 全铬镍钼不锈钢结构
co代de号let“terW"”w" - vertical, flow direction upwards
c-o垂de直le流tt动er，"o向") 上流动 - ve代rt号ical,“floOw”direction downwards
(c-垂od直e 流let动ter，"u向")下流动
Sele代ct号in“g Uva”lve type and nominal diameter To select the valve type and determine the required nominal diameter you should calculate first the operating pe选rf择orm阀a型nc号e和p公ar称am直et径er Kv based on the maximum operating va选lu择es阀a型nd号m和i-需n要im的um公称pre直s径su，re首d先rop要D根p据. Y最o大u 和sh最ou小ld压c降ho计os算e a va阀lv系e 数haKvivn。g选a型Kv时s vKavslu值e需w要hic比h计is算30值%Kvg高re3a0te％r t。han the calculated Kv figure.
检查需要安装浮球阀的容器内是否加压。如果加压，需要安装耐 P压res的s浮ur球e i。nsi圆de柱th型e的ve浮s球se只l 能用在未加压的容器中。 Check whether the vessel in which the float is to be mounted is not pressurised. If the vessel is pressurised a pressureresi- stant ball float has to be fitted. Cylindrical floats may only be used in non-pressurised vessels.
WIR REGELN DAS SCHON FIRMLY IN CONTROL
浮球阀原理
液位控制器和浮球阀用于控制容器液位
液液位位控控制制器器和和浮浮球球阀阀 Y如ou果容sh器ou内ld不us能e装a浮le球ve阀l ，co你ntr应ol该ler使w用ith一f个loa杠t 杆ch式am浮b球er液if位th控e制float cannot be mounted in the vessel. It is mounted in the pipeline a器nd。c该on阀ne装c在ted管to线t中he，ve通s过se平l b衡y m管e连an接s到of容ba器la上nc。in浮g l球ine阀s.没有浮球 F室lo，at浮va球lv阀es总h是av装e 在no容fl器oa上t c。hamber. The float is always moun- ted in the vessel.
进水排液阀
NV 16 单座阀, NV 16e 单座平衡型, NV 26 双座阀
阀体灰铸铁, 球墨铸铁, 铸钢
PN....... 16 - 40
p.......... NV 16: 0 - 1, 0 - 4 bar NV 16e: 0 - 16 bar
NV 26: 0 - 1, 0 - 4, 0 - 16 bar
-mou容nte器d中on，th装e在ou容te器r s外ki法n o兰f 上the vessel. - Float valves for installation in pipe lines are installed in the
-feed管/dr道ai中n p，ip安e.装在进水/排水管中 Th浮e球flo既a可t le以ve通r 过eit杠he杆r p，ro也je可cts以in通to过th绳e索ve连ss接el阀or锥th动e作flo。at movemen´s is transferred by means of a cable.
PN...... 16 p.......... 0 - 2, 0 - 4, 0 - 8 bar Kvs...... 0.3 - 82 m3/h
标准进水阀, 铸造阀体
NV 12P带水平导杆
阀体灰铸铁，球墨铸铁
PN....... 16 p.......... 0 - 2, 0 - 4, 0 - 8 bar Kvs...... 2.8 - 195 m3/h