SPIRAX Marshall PRV DP23

Price 6000 INR/ Unit

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SPIRAX Marshall PRV DP23 Specification

Valve Type
Pressure Reducing Valve

Control System
Self-actuating, pilot operated

Features
Integral strainer, quick and easy maintenance, compact design

Material
Cast Iron Body, Stainless Steel Internals

Valve Size
DN15, DN20, DN25, DN32, DN40, DN50

Connection Type
Flanged ends

Sealing
Metal-to-Metal

Application
Steam pressure reducing in pipeline systems

Structure
Pressure Reducing Valve

Type
Pilot Operated PRV

Power
Manual, Self-operated

Pressure
Up to 17 bar

Media
Steam

Port Size
DN15 to DN50

Temperature
Up to 230C

Disc
Stainless Steel

Body Standard
IS 210 Gr FG 260

Maximum Downstream Pressure
10 bar gauge

End Connection Standard
Flanged to ANSI B16.1 / BS 10 Table F

Seat Leakage
Less than 0.1% of rated capacity

Spring Range
0.2 to 10 bar

Minimum Inlet Pressure
1.4 bar gauge

Orientation
Horizontal installation preferred

About SPIRAX Marshall PRV DP23

SPIRAX Marshall PRV DP23

DP 23 is an SG Iron pilot-operated pressure-reducing valve suitable for steam or compressed air.

Available Sizes and Pipe Connections:15,20,25,4050 NB

Screwed: BSPT / NPT for 15 20 25 NB

Flanged : BS10 table F/H for 40 and 50NB

Limiting Conditions :

PMO - Maximum allowable Pressure: 17 barg

TMO -: Maximum allowable Temperature 232 C.

Cold hydraulic test pressure: 34 bar g

Spring range: 0.3 to 17 bar g

Precision Pressure Control for Steam Systems

The SPIRAX Marshall PRV DP23 excels in reducing and maintaining specified downstream pressure in steam pipelines. Its pilot-operated mechanism ensures minimal seat leakage, delivering consistent results tailored to process demands. Engineered for durability and efficient performance, this valve supports industrial applications where accurate steam pressure regulation is essential.

Engineered for Reliability and Easy Maintenance

Thanks to its cast iron body, stainless steel internal components, and metal-to-metal sealing, this valve withstands demanding steam conditions. Designed with an integral strainer and a quick-maintenance structure, the PRV DP23 minimizes downtime and ensures long service life. Its flanged connections and compact profile promote easy installation and compatibility with various industrial piping systems.

FAQ's of SPIRAX Marshall PRV DP23:

Q: How does the SPIRAX Marshall PRV DP23 pressure reducing valve operate?

A: The SPIRAX Marshall PRV DP23 operates through a pilot mechanism that senses downstream pressure and modulates the main valve to maintain a consistent, preset outlet pressure automatically. It is self-operated and manual, requiring no external power to function.

Q: What are the recommended installation conditions for the PRV DP23?

A: The PRV DP23 is best installed in a horizontal orientation within steam pipeline systems. Its flanged end connections conform to ANSI B16.1 or BS 10 Table 'F'. Proper installation ensures optimal performance and ease of maintenance.

Q: When should the valve's integral strainer be cleaned or maintained?

A: Regular inspection and cleaning of the integral strainer are advised, particularly in environments with particulate-laden steam. Maintenance intervals depend on operating conditions, but periodic checks help prevent blockages and maintain efficient valve operation.

Q: Where can the SPIRAX Marshall PRV DP23 be used effectively?

A: This valve is ideal for industrial steam systems requiring precise downstream pressure control, such as in boilers, process steam lines, or steam heating networks. Its robust construction makes it suitable for a variety of manufacturing and utility applications.

Q: What is the process for adjusting the downstream pressure setting?

A: Downstream pressure can be adjusted by calibrating the valve's spring within its 0.2 to 10 bar range. Adjustments should be made in accordance with system requirements, using the accessible adjustment screw or mechanism provided.

Q: What benefits does the compact design of the PRV DP23 provide?

A: The PRV DP23's compact structure enables easier installation in confined spaces, reduces the weight load on pipelines, and allows for convenient in-line maintenance. Its integrated features help minimize operational downtime and service complexities.

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