Motorized steam pressure reducing valve

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Product Overview

Description


 

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Product Description
  BASIC DESIGN
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   Y945/645Y Steam Pressure Reducing Valve

 

   *Available sizes: DN80(3") up to DN300(12")

 

   *Available rating: PN40 to PN100, Class 300# to 600#


   *Flow Characteristics: Linear, Equal Percentage


   *Leakage Level: ANSI B16.104 CL IV


   *Rangeability: 50:1


   *Temperature Range: -20~485 DegreeC


   *Connection: Flange, Butt Weld                                                              

 

  STRUCTURE AND MATERIAL

 

No.ItemMaterial
1BodyWCB, WC6, WC9
2BonnetWCB, WC6, WC9
3StemHigh Grade Alloy Steel
4SeatHigh Grade Alloy Stee
5PackingFlexible Graphite
6TrimHigh Grade Alloy Steel
7CageHigh Grade Alloy Steel
8Balance RingImport Ring
9BoltA193 B7
10NutA194 2H
11ActuatorElectrical/Pneumatic

 

 

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  HIGHLIGHTS TECHNOLOGY 
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Radiator Structure Design

To suit high temperature conditions, the valve applys with radiator disc structure, such

construction will help to  disperse  the heating  effectively and protect the actuator from overheating  circumstance so as to ensure the stable operation of all system.

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Pressure Seal Construction

Pressure seal construction is adopted for body-bonnet joints, seals performance improves as the internal pressure in the valve increases, maintains tightness regardless of thermal transients.

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Multi-Stage Piston Design

Multi-stage piston trim design gives rapid start-up and shut off capacity, the piston is guided in two areas, with long guiding surfaces and not subject to distortion. 

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Very Tight shut-off

The Seat surface is treated with hard stellite faced, the import
sealing ring with motive seal purpose is adopted, ensure the a very tight shut off.

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Multihole Cage Design

The Multihole cage guided trim is capable of managing large pressure drops and reduces the negative effects of erosion, cavitation, and noise. With the different working condition, the cage can be custom-designed with flow characteristic including of equal-percentage and linear to obtain the highest accuracy of desired steam pressure.


  COMBINED AS PRESSURE REDUCING  DESUPERHEATER SYSYEM

Y945/645Y pressure reducing valve can be used independently, or it can be assembled as main part of pressure reducing desuperheater for pressure reduction which gives higher performance under critical working conditions.

 

CLICK HERE TO KNOW MORE ABOUT

PRESSURE REDUCING DESUPERHEATER SYSTEM

 

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Delivery Photo
  REAL PHOTO 100% 

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 Vital to the safe and efficient operation of a power plant, our valve has been designed for ultimate reliability with  excellent operation performance. With different conditions, we offer customized solutions with total system to  ensure the most critical and demanding services of high pressure and temperature porpose.

 

 
Quality Control

 

Throughout the years, HZVALVE has developed its Quality System which is an integral part of our manufacturing policy. Our primary goal is to provide products that meet and exceed market standards. In this sense, HZVALVE is an ISO-9001 Audited and Certified Company that has achieved major certifications worldwide. Our system consists of a rigorous quality control as well as the selection of raw materials from approved vendors. Control over our manufacturing process is vital. Serial numbers allow HZVALVE to monitor and trace fabrication processes along with the materials of components.
HZVALVE owned independent quality department with over 25 experienced inspectors. Our target is to cover all vital point including material, procession, assembling, testing and package for overall quality controlling and supervision. We keep the understanding that the high quality products create more value to customers.

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Our Services

 HZVALVE offers professional technical support and efficient solutions to customers covers  presales and after-sales which help customers to meet design requirement and maximize the  investment returns.

 The basic service includes:
 -Model selection including valves and PRDS.
 -Technical plans including of calculation sheet and design basis.
 -Technical drawing/sketch confirmation.
 -Critical working condition analysis and solutions
 -Custom-design to special requirement.
 -Intime feedback and clarification to customer technical questions.
 -Replacement and spare-parts suggestions.
 -Recommendations of actuators or other device needed.
 -Installation and layout instruction.
 -Maintenance and operation suggestions.
 -Local engineer training and manual offered.
 -Trouble shooting or other problem solutions.                         

      
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Packaging & Shipping
 We keep applicate with seaworthy package for  sea  delivery, usually  with wood case or steel  case. The  package procedure is strictly  supervised by company  quality department, to  enure the valves to  be well  packed and fixed  in the case, for some valves like safety  valve,  must be vertically. 80.jpg
Company Information
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Contact Information

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0.1862 s.