Poline's Cast Steel Globe Steam Stop Valve (Flanged) is engineered for reliable flow control in high-pressure, high-temperature steam lines. Built with a straight-pattern cast steel body and outside screw & yoke (OS&Y) design, this valve gives operators clear visual confirmation of valve position, a critical safety feature in boiler houses, process plants, and thermic fluid systems.

The valve's flanged ends are manufactured to DIN 2545 PN 40 standards, ensuring straightforward integration with standard steam piping systems across process industries. Internally, all working components — stem, disc, seat rings, and gland — are made from 13% chromium stainless steel (SS 410), giving the valve strong resistance to erosion, seat wear, and the thermal cycling typical of steam service.

A streamlined body passage reduces turbulence and internal pressure drop, helping maintain system efficiency even under sustained high-pressure operation. The valve is hand-wheel operated and includes a re-packing-under-pressure feature, allowing gland packing to be serviced without shutting down the line — reducing maintenance downtime in continuous-process plants.

Rated for:

• Shell test pressure: 6.0 MPa (60 bar)
• Maximum working pressure: 4.0 MPa (40 bar)
• Maximum working temperature: 425°C

This makes the PCS-3001 suitable not only for saturated and superheated steam, but also for compatible air, gas, oil, and water applications — and specifically validated for thermic fluid heater systems, a common requirement in textile, dyeing, food processing, and chemical process plants across Gujarat and India.

Built to IBR-grade material and design standards Cast steel globe valves used on steam lines in India typically require IBR (Indian Boiler Regulations) compliance and Form III-C test certification before they can be installed on a boiler-connected steam line. Poline manufactures this valve using IBR-grade cast steel (Gr. B) for the body, bonnet, and disc — the key parts that come into direct contact with steam under pressure — so it is built to the material and design standard IBR service demands. (Note: IBR certification/Form III-C is issued per order upon inspection by the Boiler Directorate, not something a valve carries "off the shelf." Confirm certification lead time and cost with Poline before quoting IBR-certified supply.)

Available sizes: DN25 to DN200 (25mm–200mm), covering small utility branch lines through large main steam headers.

Why choose Poline's Cast Steel Globe Steam Stop Valve

• Renewable seat and disc — extends service life without full valve replacement
• Bolted bonnet construction for ease of maintenance and inspection
• Manufactured under ISO-certified processes at Poline's Surat facility
• Backed by Poline's engineering support for spares, torque data, and installation guidance

6. FAQ SECTION

Q1: What is a globe steam stop valve used for? A globe steam stop valve is used to start, stop, or throttle steam flow in a pipeline. Its globe-shaped body and perpendicular disc-to-seat movement make it especially effective for regulating flow and shutting off steam lines tightly, which is why it's the standard choice for boiler and steam distribution isolation points.

Q2: What does "Flanged" mean for this valve, and which standard does it follow? Flanged means the valve connects to the pipeline via bolted flange joints rather than threaded or welded ends. This valve's flanges conform to DIN 2545 PN 40, a widely used European standard for pressure-rated flange dimensions, making it compatible with standard PN40-rated steam piping systems.

Q3: What is the maximum pressure and temperature rating of this valve? The PCS-3001 has a shell test rating of 6.0 MPa (60 bar), a maximum working pressure of 4.0 MPa (40 bar), and a maximum working temperature of 425°C, making it suitable for high-pressure saturated and superheated steam service.

Q4: Is this valve IBR approved? This valve is manufactured using IBR-grade cast steel (Gr. B) for pressure-retaining parts (body, bonnet, disc), matching the material standard expected for steam service under Indian Boiler Regulations. IBR certification and Form III-C documentation are issued per order following inspection, and are not a default inclusion — please contact Poline to confirm current certification status and lead time before placing an order that requires it.

Q5: What is the disc and seat material made of? The seat ring, body seat ring, disc facing, stem, and gland are made from 13% chromium stainless steel (ASTM A276 Type 410 / ASTM A182 Gr. F6a), chosen for hardness, wear resistance, and performance under repeated thermal cycling.

Q6: Can this valve be used for thermic fluid heater applications? Yes, this valve is specifically rated as compatible with thermic fluid applications, in addition to steam, air, gas, oil, and water service.

Q7: What sizes are available? This valve is available from DN25 (25mm) to DN200 (200mm). Face-to-face and flange dimensions for each size are listed in the technical data table on this page.

Q8: Can the gland packing be replaced without shutting down the line? Yes. The valve includes a re-packing-under-pressure feature, which allows gland packing maintenance to be carried out while the line remains pressurized, minimizing plant downtime.

Q9: Where is this valve manufactured? This valve is manufactured by Poline Technologies Pvt. Ltd. at its facility in Surat, Gujarat, India.