Basic Info.Media Water StandardCj/T219 Jb/T10674 En1074-5 GB
12221Temperature Ordinary Temperature Connection Flange Valve Seat
Single-Seat StructureSpring DiaphragmMaterialCast IronPressure
LevelPn10-25 Pn10-25 Class Series Table SeriesColour5010 5011
5015Transport PackageWooden CaseOriginShanghai ChinaHS
Code8481804090Product DescriptionPressure Reducing Valve
steam01.DescriptionPressure Reducing Valve automatically
reduces a higher inlet pressure to a steady lower
downstream pressure, regardless of changing flow rate and/or
varying inlet pressure. The valve is an accurate, pilot-operated
regulator capable of holding downstream pressure to
a re-determined limit. When downstream pressure exceeds the
pressure setting of the control pilot, the main valve and pilot
valve close drip-tight.02.Main
parts&materialNo.PartMaterialChina stardard1BodyDuctile
ironQT450-102BonnetDuctile ironQT450-103Seat ringStainless
steelZG1Cr18Ni94YokeDuctile ironQT450-105StemStainless
steel20Cr136SpringStainless
steel1Cr18Ni97DiaphragmRubberNBR+Reinforced nylon8Ball
seatRubberNBR9Pipe fittingBrassHPb59-110Float switchStainless
steel0Cr18Ni903.Features001.Stem diaphragm assembly with double
lead action through top and seat rings provides long life and
reliability.002.All cast iron parts are coated with powder epoxy
resin to resist corrosion.003.During maintenance, the main valve
can be repaired directly on line without disconnecting from the
pipeline.004.The linear flow of valve body is convenient to obtain
better control characteristics and lower head loss.005.High
strength and light weight of ball iron valve body.006.Reinforced
nylon membrane, die layer thickness uniform strength, good
precision, durable.007.Internal use of stainless steel seat, guide
platen and shaft, durable.008.Good closing effect and zero leakage
safety.009.Hydraulic operation does not need external power, can be
matched with the need to match different guide valves and
accessories as opening and closing or adjust the water level,
pressure and flow.Feature description:001.When the water level of
the pool reaches full.The main valve is closed by means of
a control ball valve.002.When the water level of the pool
decreases, the control ball valve begins to fill, then the main
valve is opened through the control ball valve.003.Control the ball
according to the requirements of the site, directly put the whole
set of valve devices together, directly open and close the main
valve or separately install the control ball valve at the full
water level to achieve the purpose of remote
control.04.DimensionsDimensions(mm)DNLØDØKHN-ØdØBPN10PN16PN25PN10PN16PN25PN10PN16PN25PN10PN16PN25502301651651651251251251774-Ø194-0194-019Ø99Ø99Ø99652901851851851451451452024-Ø194-0198-019Ø118Ø118Ø118803102002002001601601602198-Ø198-Ø198-019Ø132Ø132Ø1321003502202202351801801902438-Ø198-Ø198-Ø23Ø156Ø156Ø1561254002502502702102102202438-Ø198-Ø198-Ø28Ø156Ø156Ø1561504802852853002402402503338-Ø238-Ø238-Ø28Ø211Ø211Ø2112006003403403602952953104288-Ø2312-Ø2312-Ø28Ø266Ø266Ø27425073040540542535035537047812-Ø2312-Ø2812-Ø31Ø319Ø319Ø33030085046046048540041043053812-Ø2312-Ø2816-Ø31Ø370Ø370Ø389*35098052052055546047049055016-Ø2316-Ø2816-Ø34Ø429Ø429Ø448NOTE:1.*DN
125/350 use same internal as DN100/3002.AISI 304 factory standard
material, consult factory for AISI 316 material05.Execution
standardDesign standardCJ/T219, JB/T10674Flange connection
standardGB/T17241.6Face spacing standardGB/T12221Inspection testing
standardGB/T1392706.Technical parametersNominal diameterDN50~DN600
(2"~24")Nominal pressurePN10/16Operating temperature0°C~85°CSeal
test1.1PNShell test1.5PNSuitable mediumWater07.Operating
principleThe remote control float valve has the hydraulic control
main valve and the float ball switch composition, installs in the
pool or the overhead water tower entrance place.When the liquid
level of the pool or the elevated water tower reaches the set
height, the float switch is in the closed position to close the
main valve and stop the water supply to the pool or the elevated
water tower;When the liquid level in the pool or the elevated water
tower decreases, the float switch opens and the main valve opens
one after another to fill the pool or the elevated water tower and
realize automatic water replenishment.Precise liquid level control,
free from water pressure interference;08.ApplicationsWater plant,
secondary water supply, municipal pipe network, reservoir, garbage
treatment plant, subway and other industries in municipal
engineering;Petrochemical, steel plant, power plant, shipbuilding
and papermaking, biopharmaceutical, etc.2.Factory tour3.FAQQ1.How
about your delivery time?A. Commonly, it is 5-10 days if in enough
stock. It will takes about 20-30 days after receiving the deposit,
the delivery time depends on the items and the order quantity.Q2:
Are you trading company or manufacturer ?A: We are
a manufacturer of hydraulic control valve,gate valve,butterfly
valve,check valve,pressure reducing valve and
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