Fisher Control Valve

SEATLESS, HARDSEAT AND UNIT TANDEM

Designed for blow-off service in boiler systems with pressures of 3206 psig

FEATURES

•DesignedaccordingASMEsection1,ASMEB31.1,ASMEB16.34.

•Forboilersystemsupto3206psig.

•Ruggedconstructiontowithstandhighpressureandhighvelocities.

•Excellentresistancetocleaningacidsandwearcausedbyprecipitatedsolids.

Seatless valves

•NoSeat

-willnotscoreorplugwithdirt

-will notleak

•Live-loadedpacking

-willnotleakafterpacking

•Slowopening

-will not rapidly drain boiler drum

Unit tandem valves

•Combinationofhardseatandseatlessvalvesinasinglebody

-eliminates pipejoints

-reduces potentialleaks

-fitsintoaconfinedspace

Hardseat valves

•Stellite seatfaces

-resistswear

provideslongservicelife

GENERAL APPLICATIONof

Blow-offserviceinboilersystemstoremovedirt,sedimentandscaleaswellasmaintainboiler levelsurge.

Sizerange:NPS1,1¼,1½,2,2½

TECHNICAL DATA

[DN25,32,40,50,65]

PressureRating:Up to 3206psiConnection:Flanged, Socketweld, ButtweldMaterials:CastIron,CarbonSteel

GENERAL DESCRIPTIONof

Basicrequirementsforthedesignanduseof blow-offvalvesareestablishedbytheASMEPowerBoilerCode,Sectionl.Thegeneralformofavalve,thematerialsofitsconstruction,allowableboilerpressures,andtheinstallationofthevalvearealldeterminedbythecode.

Yarway blow-off valves are designed inconformance with all coderequirements(ASMESectionl,ASMEB31.1,ASMEB16.34).

Becausetheprimarypurposeofablow-off valveisremovalofdirt,sedimentandscale,theboilercoderequiresthatvalveswhichhavedamsorpocketsinwhichsedimentcanaccumulatecannotbeusedinblow-offservice.Thismeansthatordinaryglobevalvescannotbeusedasblow-offvalves.

are especially designed for the punishment of blow-off service in boilersystems with pressures of 3206 psi.

Theruggedconstructionofthesecansuccessfully withstand the combination of problemsinherentintheservice-aserviceinwhich high pressures result in high velocities whichcancausewiredrawingandcavitationofmetalsurfaces.

Thevalvesmustalsowithstandthecorrosiveenvironmentcreatedbyacidcleaningofboilers,and the potential wear problems caused byprecipitatedsolids.

Thevalvesarealsohelpfulinmaintainingboilerlevel surge within desirable limits during quickstartupofhighpressuresystems.

TwobroadcategoriesofYarwayblow-offvalvesareavailable;thosethatoperateonaslidingprincipleandthosethatoperateonaseat-and-discprinciple.

Другие товары поставщика

	KSB Centrifugal pumps	Everything for your project: the KSB Product Catalogue A unique range of pumps, and services Our comprehensive portfolio has the ideal soluti...
	Flygt Sewage pump	PRODUCT FEATURES State-of-the-art wastewater pump with N-technology Sustained high efficiency with energy savings up to 25% Flexible and mod...
	china cast iron vacuum pump	2BE CONSTRUCTION TYPE The 2BE liquid ring are of uncomplicated and robust construction with the following particular features: non-polluting due ...
	Pressure Regulating Valve price	Specificationsof This section lists the specifications for the MR95 Series regulators. Factory specification such as type, maximuminlet press...
	YARWAY BLOW-OFF VALVES	SEATLESS, HARDSEAT AND UNIT TANDEM Designed for blow-off service in boiler systems with pressures of 3206 psig FEATURES •Designedacco...

Все товары поставщика

Похожие товары

	"High-reliability Support ring Y10-4 for power station	Продавец: DONGFANG YOYIK (DEYANG) ENGNIEERING CO; LTD	"High-reliability Support ring Y10-4 for power station Deyang YOYIK have power plant professional...
	"Wear Resistance dn50 globe valve WJ25-F1.6P for thermal power plant	Продавец: DONGFANG YOYIK (DEYANG) ENGNIEERING CO; LTD	"Wear Resistance dn50 globe valve WJ25-F1.6P for thermal power plant YOYIK professional productio...
	High-efficiency Superheater outlet plug valve SD61H-P61305V SA-182 F92 for power generation	Продавец: DONGFANG YOYIK (DEYANG) ENGNIEERING CO; LTD	"High-efficiency Superheater outlet plug valve SD61H-P61305V SA-182 F92 for power generation Deya...
	Automated Sealing gasket for corrugated pipe shut-off valve KHWJ25F3.2P for power station	Продавец: DONGFANG YOYIK (DEYANG) ENGNIEERING CO; LTD	"Automated Sealing gasket for corrugated pipe shut-off valve KHWJ25F3.2P for power station Is a m...
	Class 1500 LB gate valve	Продавец: China LiCB AC DC EV Charger Co., Ltd	Product Name: Low-EmissionPacking Setfor Class 1500 LB API 6D Gate ValveModel: M600Size: ID 68 mm...