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Forged steel globe valve with bolted bonnet, OS&Y construction, handwheel operator, socket weld / threaded end connections, and KSB 800 body casting markings.

KSB Forged Steel Globe Valve ISO 15761 BS 5352 | Awal Valve

KSB Forged Steel Globe Valve (ISO 15761 / BS 5352)

Introduction

The KSB forged steel globe valve manufactured in accordance with ISO 15761 and BS 5352 standards (commonly designated under KSB's NORI 40 and SICCA 800-1500 GLB series) is a high-integrity, compact valve designed for fine throttling, flow regulation, and positive shut-off in high-pressure and high-temperature industrial fluid systems. Engineered from dense forged steel body materials, this valve eliminates potential casting porosities, making it suitable for demanding power, chemical, and steam piping setups.

Product Overview

KSB forged steel globe valves compliant with ISO 15761 and BS 5352 are built with an Outside Screw and Yoke (OS&Y) design featuring a bolted bonnet or welded bonnet joint. Operating via a non-rising handwheel and a rotating, rising stem, the valve drives a throttling disc onto a hard-faced body seat ring. The forged steel construction provides structural strength under severe pressure shocks, thermal cycling, and mechanical stresses. Seating surfaces are hard-faced with Stellite or 13% Chromium steel to withstand erosion during throttling conditions.

Technical Specifications

Parameter

Verified Specification / Value

Exact Product Name

KSB Forged Steel Globe Valve (NORI 40 / SICCA 800-1500 GLB Series)

Design Standards

ISO 15761 / BS 5352, ASME B16.34

Testing Standard

API 598 / ISO 5208

Valve Type

Forged Steel Globe Valve (Bolted / Welded Bonnet, OS&Y)

Nominal Size Range

DN 15 to DN 50 / NPS 1/2" to 2"

Pressure Ratings

Class 800, Class 1500, PN 40

Body Materials

ASTM A105 (Forged Carbon Steel), ASTM A182 F11, ASTM A182 F22, ASTM A182 F316

Trim Materials

API Trim 5 (Full Stellite), API Trim 8 (13% Cr / Stellite)

Temperature Range

-29°C to +538°C (depending on material grade selected)

End Connections

Socket Weld (ASME B16.11), Threaded NPT (ASME B1.20.1), Flanged Ends (ASME B16.5)

Gasket / Packing

Spiral wound graphite gasket with stainless steel inner ring; graphite gland packing

Operating Mechanism

Handwheel standard

Key Features

  • Forged Steel Structural Integrity: Dense forged body construction ensures maximum mechanical strength and resistance against thermal stress and vibration.
  • OS&Y Construction: External stem threads are isolated from the process fluid, preventing thread contamination, corrosion, and wear.
  • Stellited Seating Surfaces: Hard-faced seat and disc contact faces resist erosion, galling, and cavitation during steam and liquid throttling.
  • Integral Backseat Feature: Allows stem sealing relief when the valve is in the fully open position.
  • Encapsulated Bonnet Joint: Standard spiral-wound graphite gasket prevents blowouts under dynamic pressure fluctuations.
  • Self-Aligning Gland Packing: Two-piece gland follower design applies uniform load across the graphite gland packing rings.

Applications

  • High-Pressure Steam Systems: Boiler trim lines, superheater drains, and steam trap isolation.
  • Refineries & Petrochemical Plants: Hydrocarbon line sampling, drain valves, and instrument piping.
  • Power Generation Facilities: Auxiliary feed-water, blowdown piping, and high-temperature steam lines.
  • Chemical Process Units: Isolation and control of non-corrosive and corrosive liquids or gases.
  • General Industrial Utilities: High-pressure hydraulic and compressed gas distribution networks.

Benefits

  • Precise Throttling Capability: Linear plug disc movement enables accurate flow control and repeatable shut-off.
  • Zero External Leakage Risk: Encapsulated bonnet gaskets and multi-ring graphite packing maintain fugitive emission containment.
  • Long Operational Life: Forged construction and hard-faced seating faces minimize maintenance requirements in severe service conditions.
  • Compliance with Global Standards: Built to ISO 15761 and BS 5352 specifications, ensuring standardized dimensions for replacement and installation.

KSB Valve Dealer in Ahmedabad and Gujarat

Locating genuine forged steel valves for critical utility lines requires precise technical verification. Industrial buyers and EPC contractors searching for a KSB valve dealer in Ahmedabad or a KSB valve supplier in Gujarat can forward their inquiries to valve suppliers such as Awal Valve. For industrial plants located across Ahmedabad, Surat, Vadodara, Rajkot, and Gandhinagar, selecting the correct pressure class, material specification, and end connection type should be done by reviewing technical datasheets prior to procurement.

Why Choose Awal Valve

Awal Valve assists engineering procurement teams and plant engineers in specifying the correct valve types for high-pressure fluid systems. By cross-referencing process specifications—including temperature, pressure class, media compatibility, and piping connection types—Awal Valve supports clients in obtaining authentic technical information and submitting RFQs for KSB forged steel globe valves.

Conclusion

The KSB forged steel globe valve to ISO 15761 and BS 5352 (NORI 40 / SICCA 800-1500 GLB) is a reliable solution for high-pressure throttling and isolation in steam, hydrocarbon, and process applications. Its forged body, stellited trim, and leak-tight gland packing deliver dependable performance under severe operating conditions. Contact Awal Valve to confirm technical parameters, request quotation details, and submit product requirements for your facility.

FAQs

Q1: What is the KSB Forged Steel Globe Valve to ISO 15761 / BS 5352?

It is a compact, high-pressure forged steel globe valve (NORI 40 / SICCA GLB series) designed according to ISO 15761 and BS 5352 standards for accurate flow throttling and reliable shut-off in demanding industrial pipelines.

Q2: What are the verified technical specifications of this KSB Forged Steel Globe Valve?

Verified specifications include nominal sizes from DN 15 to DN 50 (1/2" to 2"), pressure ratings Class 800 and 1500, body materials in ASTM A105, A182 F11, F22, and F316, and end connection options in Socket Weld, Threaded NPT, or Flanged.

Q3: Where is the KSB Forged Steel Globe Valve used?

It is commonly deployed in high-pressure steam lines, boiler drains, refinery sample points, petrochemical processing, power plants, and high-pressure hydraulic utility networks.

Q4: How can I enquire about the KSB Forged Steel Globe Valve through Awal Valve?

You can contact Awal Valve directly via their website or inquiry email, providing details such as required nominal size, pressure class, body material, fluid media, and end connection style.

Q5: How can I confirm the availability, price, and suitability of this KSB valve?

To verify pricing, lead times, stock availability, and engineering suitability, share your exact process operating conditions with Awal Valve or consult official KSB technical datasheets.

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