Forbes Marshall Piston Valve Ring

Price 6000 INR/ Unit

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MOQ : 1 Number

Forbes Marshall Piston Valve Ring Specification

Control System
Manual Operation

Valve Type
Forged/Bar Stock, Bolted Bonnet

Material
Forged Carbon Steel/ Stainless Steel / Alloy Steel

Valve Size
15 mm to 200 mm

Connection Type
Flanged / Screwed / Socket Welded

Features
Blow-out proof design, Zero gland leakage, Firesafe, Long lifecycle, In-line maintainable

Sealing
Self-Aligning Rings (GM/SS with Graphite/Other Material)

Application
Industrial Steam and Process Pipelines

Structure
Piston Valve

Type
Piston Valve Ring

Power
Manual

Pressure
Class 150# to 800#

Media
Steam, Thermal Oil, Water, Air, Gas, Industrial Fluids

Port Size
15 mm to 200 mm

Temperature
Up to 427C

Disc
Piston Type

Pin
Stainless Steel Pin

About Forbes Marshall Piston Valve Ring

Forbes Marshall Piston Valve Ring

Ring for Forbes Marshall Piston Valve PSVAL

provide perfect tightness and durable stability on different media such as steam, superheated steam, heat transfer fluid, water and compressed air.

Gland Sealing Stack for PSVAL

Size: 15mm to 250mm

Class: 150 and 300 Class

MOC: SS Reinforced Graphite

Engineered for Reliability in Industrial Applications

Our piston valve rings are designed to meet the rigorous demands of industrial steam and process pipelines. Crafted with precision machining and tested to ASME and DIN standards, they deliver reliable sealing and extended service life even in harsh environments. The self-aligning design ensures optimal performance and minimal maintenance.

Versatility Across a Wide Range of Media and Conditions

The Forbes Marshall piston valve rings are suitable for use with steam, thermal oil, water, air, gas, and a variety of industrial fluids. They withstand temperatures up to 427C and pressures from Class 150# to 800#, making them versatile for numerous industrial applications. Their compatibility covers the entire Forbes Marshall piston valve range.

FAQs of Forbes Marshall Piston Valve Ring:

Q: How do the Forbes Marshall piston valve rings ensure leak-proof performance?

A: These rings feature self-aligning sealing technology and precision machining, which guarantee optimal seating and zero gland leakage. This design helps maintain long-term sealing integrity, even with frequent cycling and high pressures.

Q: What process is involved in replacing a piston valve ring for Forbes Marshall valves?

A: Replacing the piston valve ring is straightforward: isolate the valve, relieve system pressure, remove the bonnet, and access the old ring. Install the new, precisely machined ring, ensuring proper alignment, then reassemble and test the valve for leaks. In-line maintainability makes this process efficient and minimizes downtime.

Q: Where can the Forbes Marshall piston valve ring be used?

A: These rings are ideal for industrial steam and process pipelines, compatible with a variety of media such as steam, thermal oil, water, air, gas, and other industrial fluids. They are suitable for use in power plants, chemical plants, manufacturing industries, and other heavy-duty environments.

Q: What benefits do self-aligning sealing rings offer in piston valves?

A: Self-aligning rings adjust to the seating surface, compensating for wear and misalignment. This enhances sealing efficiency, eliminates gland leakage, and prolongs the service life of the valve, reducing maintenance frequency and operating costs.

Q: When should a Forbes Marshall piston valve ring be replaced?

A: Replacement is recommended during scheduled maintenance, if leakage is detected, or when the sealing performance declines. Regular inspections help ensure the longevity and reliability of both the valve and the sealing rings.

Q: What standards and materials are used in the manufacturing of piston valve rings?

A: Forbes Marshall piston valve rings are manufactured using high-quality forged carbon steel, stainless steel, or alloy steel, conforming to ASME and DIN standards. They may also include self-aligning GM/SS with graphite or other specialized sealing materials for enhanced performance and durability.

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