L&T 32" Class 300 Motorized Gate Valve WCB Supplier Gujarat | Awal Valve

L&T Large-Bore Motorized Gate Valve (Bolted Bonnet, 32" Class 300, WCB): Technical Specifications, Automation, and Procurement Guide

Introduction

In large-diameter main oil pipelines, gas transmission headers, bulk water distribution networks, and large refinery manifolds, managing fluid flow requires heavy-duty process valves designed for high volumetric throughput. Operating a 32-inch gate valve manually under Class 300 pressure conditions is impractical due to extreme stem torque and long travel strokes, making motorized actuation essential for efficient plant operation.

The L&T Large-Bore Motorized Gate Valve (Bolted Bonnet, 32" Class 300, WCB) is engineered for automated, high-volume flow isolation. Manufactured by L&T Valves in compliance with API 600, API 6D, and ASME B16.34, this 32-inch Class 300 gate valve features a cast carbon steel (WCB) body, a reinforced bolted bonnet joint, and an integrated multi-turn electric actuator.

Product Overview

The L&T 32" Class 300 WCB Gate Valve features a heavy-section cast carbon steel body with an extended yoke structure fitted with a multi-turn electric motor actuator.

Constructed from ASTM A216 Gr. WCB cast carbon steel, this valve provides high structural strength and pressure-temperature containment per ASME Class 300 standards. The heavy-duty bolted bonnet joint features high-tensile stud bolting to maintain joint sealing under line surges. The mounted electric actuator provides remote open/close control, integration with DCS/SCADA systems, and rapid emergency shutdown capability for large-diameter pipelines.

Technical Specifications

The engineering parameters for the L&T 32" Class 300 WCB Motorized Gate Valve are detailed in the table below:

Key Features

• Large-Bore Electric Actuation: Factory-integrated multi-turn electric actuator provides automated remote operation, position feedback, and SCADA control without manual operator intervention.
• Full-Bore Unrestricted Flow Path: 32-inch straight-through full-port port geometry ensures maximum fluid throughput with minimal pressure drop and turbulence.
• Class 300 Pressure Containment: Heavy-section WCB casting engineered to handle working pressures up to 50 bar (720 PSI) depending on service temperature.
• Bolted Bonnet Security: Multi-stud body-bonnet flange joint with high-tensile alloy studs ensures structural stability under pipe stress and dynamic pressure cycles.
• Flexible Wedge Seating: Precision-ground flexible wedge accommodates pipeline stresses and thermal expansion without wedge binding or seat sticking.
• Hardfaced Dynamic Seating: Stellite hardfacing on wedge and body seat rings protects against fluid erosion, galling, and wear during high-velocity flow conditions.

Applications

The combination of large-diameter bore size, Class 300 pressure rating, and automated actuation makes the L&T 32" Class 300 WCB Motorized Gate Valve ideal for high-volume pipeline operations:

• Oil & Gas Mainlines & Terminals: Cross-country crude oil transmission lines, natural gas headers, and tank farm isolation manifolds.
• Hydrocarbon Refining & Petrochemicals: Crude distillation units (CDU), vacuum distillation units (VDU), and refinery off-site transfer loops.
• Power Generation Facilities: Main cooling water lines, condenser isolation mains, and high-volume utility steam headers.
• Municipal & Industrial Water Works: High-pressure raw water intake, bulk water transmission mains, and desalination plant headers.

Benefits

• Automated & Remote Control: Multi-turn electric actuator enables automated opening and closing from central DCS/SCADA rooms, eliminating slow manual handwheel operation.
• High Hydraulic Efficiency: Full-port gate geometry reduces system pumping energy costs by minimizing friction head loss.
• Extended Dynamic Wear Life: Hardfaced seat surfaces prevent seat erosion and wire-drawing under high-volume differential pressures.
• In-Line Maintainability: Bolted bonnet architecture allows field inspection, internal wedge refurbishment, and stem seal maintenance during scheduled plant turnarounds.

L&T Valve Dealer in Ahmedabad and Gujarat

Industrial hubs across Gujarat—including refineries in Jamnagar, petrochemical complexes in Dahej (PCPIR), ports in Hazira and Mundra, and industrial zones in Vadodara—rely on large-bore process hardware for major infrastructure projects. Sourcing through an authorized L&T valve dealer in Ahmedabad ensures authentic products supplied with 3.1 Manufacturer Test Certificates (MTC) and complete material heat traceability.

Key industrial corridors with strong demand for L&T large-bore motorized valves include:

• Ahmedabad: Manufacturing and process equipment centers in Vatva, Naroda, Odhav, Changodar, and Sanand.
• Major Gujarat Industrial Belts: Vadodara, Ankleshwar, Bharuch (Dahej PCPIR), Jamnagar, Surat (Hazira), Vapi, and Mundra.

Partnering with an established L&T valve supplier in Gujarat simplifies procurement logistics, ensures competitive pricing, and offers expert technical support for valve automation and actuation integration.

Why Choose Awal Valve

When procuring large-bore process equipment like the L&T 32" Class 300 WCB Motorized Gate Valve, L&T CS ball valve, or L&T SS ball valve, Awal Valve is your trusted industrial supply partner across Gujarat.

Why partner with Awal Valve:

• 100% Genuine L&T Inventory: Factory-direct valves delivered with original Manufacturer Test Certificates (MTC, 3.1) and material heat numbers.
• Comprehensive Valve Portfolio: Supply access for large-bore gate, globe, check, and ball valves in manual, gear, and motorized configurations.
• Actuation & Automation Guidance: Technical assistance in specifying electric motor actuators, control voltages, enclosure ratings, and communication protocols.
• Competitive Market Rates: Transparent pricing structures tailored for EPC contractors, infrastructure projects, and refinery maintenance teams.

Conclusion

The L&T Large-Bore Motorized Gate Valve (Bolted Bonnet, 32" Class 300, WCB) is an exceptional flow isolation solution engineered for large-capacity energy, refining, and pipeline networks. Featuring heavy-wall WCB casting, Stellite hardfacing, a multi-stud bolted bonnet, and multi-turn electric actuation, it delivers reliable operational safety and automated performance for high-volume process applications.

For price quotations, actuator integration datasheets, or quick procurement in Gujarat, contact Awal Valve—your trusted L&T ball valve dealer and process valve automation partner.

Frequently Asked Questions (FAQs)

Q1: Why is motorized actuation required on a 32" Class 300 gate valve?

A: Operating a 32" gate valve manually requires over a hundred handwheel turns and high operating torque under Class 300 pressure. An electric motor actuator allows automated, rapid open/close control and integration with DCS/SCADA networks.

Q2: What flange standard governs 32-inch Class 300 gate valves?

A: Large-diameter flanged valves above 24 inches are manufactured with end flanges conforming to ASME B16.47 Series A (MSS SP-44) or Series B (API 605) standards.

Q3: Can the L&T 32" Class 300 WCB Gate Valve be supplied with explosion-proof electric actuators?

A: Yes, the top flange and yoke stem nut interface can be fitted with ATEX, IECEx, or CCOE/PESO certified explosion-proof multi-turn electric actuators for hazardous refinery or pipeline environments.

Q4: How can I procure authentic L&T large-bore motorized gate valves in Gujarat?

A: You can source authentic L&T motorized valves directly through a trusted L&T valve supplier in Gujarat like Awal Valve, complete with official 3.1 manufacturer test certification.

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