Audco Cast Carbon Steel Gate Valve – Class 150, ASTM A216 Gr. WCB with 13% Cr SS Trim (Trim 8), IBR Approved (Cat. 113-8/BR)
Are you searching for a reliable, high-performance gate valve for steam, oil, gas, or petrochemical applications? The Audco Gate Valve 113-8/BR is a top-choice industrial valve designed for demanding environments. Manufactured by Valves (formerly associated with Audco), this Class 150 flanged gate valve features a robust cast carbon steel body (ASTM A216 Gr. WCB) and premium 13% Chromium Stainless Steel internals (Trim 8/SS A10) for superior corrosion resistance and durability. Fully IBR approved (Indian Boiler Regulation certified), it’s ideal for boiler and high-pressure steam systems in India.
Key Features of Audco L&T 113-8/BR Gate Valve
- Body Material: Cast Carbon Steel ASTM A216 Gr. WCB – Excellent strength and impact resistance for temperatures up to 425°C.
- Trim: 13% Cr SS (Trim 8 / SS A10) – Hard-faced seats and wedge for enhanced wear resistance and tight shut-off.
- Design Standard: API 600 compliant, Bolted Bonnet, Outside Screw & Yoke (OS&Y), Flexible Wedge.
- Pressure Rating: ASME/ANSI Class 150 (PN20) – Suitable for low to medium pressure applications.
- End Connection: Raised Face Flanged (RF) as per ASME B16.5.
- IBR Certification: Approved under Indian Boiler Regulations – Mandatory for steam and boiler feed lines.
- Operation: Handwheel (standard); Gear operated for larger sizes.
- Sizes Available: 50mm to 600mm (2″ to 24″) – Customizable based on requirements.
This cast steel gate valve ensures bubble-tight shut-off, low torque operation, and long service life in harsh conditions like refineries, power plants, and chemical processing units.

Why Choose Audco Class 150 WCB Gate Valve with SS Trim?
- Superior Durability: 13% Cr stainless steel trim resists erosion, cavitation, and corrosion in steam and hydrocarbon services.
- IBR Compliance: Comes with Form III-C certification – Essential for legal and safe operation in Indian boiler installations.
- Low Maintenance: Flexible wedge design accommodates thermal expansion, reducing seat wear.
- Versatile Applications: Perfect for isolation in pipelines handling water, oil, gas, steam, and petrochemicals.
- Trusted Brand: Valves (Audco heritage) is renowned for quality, with approvals from major oil & gas companies worldwide.
Technical Specifications Table
| Parameter | Details |
|---|---|
| Model/Code | 113-8/BR (Trim 8, IBR) |
| Body Material | ASTM A216 Gr. WCB |
| Wedge/Trim | 13% Cr SS (AISI 410/SS A10) |
| Seat Facing | Integral or Hard-Faced (Stellite optional) |
| Pressure Class | ANSI 150# |
| End Connection | Flanged RF (ASME B16.5) |
| Face to Face | ASME B16.10 |
| Testing | API 598 / BS EN 12266 |
| Temperature Range | -29°C to +425°C |
| Certification | IBR Form III-C |
Applications of Audco Cast Steel Gate Valve
- Power Plants & Boilers (IBR mandatory)
- Oil & Gas Pipelines
- Refineries & Petrochemical Plants
- Steam Distribution Systems
- Water Treatment & General Industrial Use
Invest in the best Class 150 cast carbon steel gate valve with 13% Cr SS internals for unmatched reliability. Contact us today for pricing, stock availability, and customized solutions on Audco IBR approved gate valves.
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