Alloy 20 Valves Manufacturers in India

Industrial process systems handling aggressive acids and highly corrosive chemicals require valve materials that provide long-term corrosion resistance without compromising mechanical strength. As Alloy 20 valves manufacturers in India, we design and supply corrosion-resistant flow control solutions for severe chemical services where conventional stainless steel valves fail prematurely.

Our Alloy 20 industrial valves are engineered to deliver reliable shut-off, accurate flow regulation, and structural stability in demanding environments involving sulfuric acid, nitric acid, phosphoric acid, and chloride-bearing media. Each valve is developed with a strong focus on material integrity, pressure containment, and consistent performance under continuous operating conditions common in chemical plants.

Designed specifically for chemical processing and corrosive service applications, these UNS N08020 valves are manufactured using controlled production processes and validated through pressure and functional testing to ensure dependable operation in real plant conditions. This makes them suitable for both replacement and EPC project requirements.

Understanding Alloy 20 Valves

Alloy 20 is a high-performance nickel alloy designated as UNS N08020, originally developed for superior resistance to sulfuric acid corrosion and stress corrosion cracking. Alloy 20 valve manufacturing provides excellent resistance to pitting, crevice corrosion, and intergranular attack, making these valves ideal for severe corrosive service environments.

These corrosion-resistant Alloy 20 valves are commonly used for:

• Acid transfer and isolation systems
• Flow control in corrosive chemical pipelines
• Process regulation in reactors and chemical columns
• Shut-off service in aggressive fluid handling systems
• Applications requiring chloride and acid resistance

Alloy 20 Valve Types Manufactured

We manufacture a complete range of Alloy 20 industrial valves to meet varying pressure classes, operating conditions, and chemical compatibility requirements:

• Alloy 20 Ball Valve – Quarter-turn isolation valve providing tight shut-off in corrosive chemical services
• Alloy 20 Gate Valve – Full-bore valve for uninterrupted flow in acid transfer lines
• Alloy 20 Globe Valve – Designed for throttling and precise flow control
• Alloy 20 Check Valve – Prevents reverse flow in acid and chemical transfer pipelines
• Alloy 20 Butterfly Valve – Lightweight solution for large-diameter corrosive service lines

Each Alloy 20 valve configuration is selected based on media compatibility, pressure rating, operating temperature, and control accuracy.

Materials & Construction

Alloy 20 valves are manufactured using carefully selected materials to ensure corrosion resistance, pressure containment, and mechanical durability:

• Body & Bonnet: Alloy 20 (UNS N08020)
• Trim Components: Alloy 20 or compatible nickel alloy trims
• Seat & Sealing Systems: PTFE, reinforced PTFE, metal-seated options
• Stem & Fasteners: Corrosion-resistant alloy grades

Valve designs account for erosion resistance, sealing reliability, and long-term performance in severe chemical process environments.

Sizes, Pressure Ratings & Standards

Our Alloy 20 valve manufacturing capability in India supports diverse piping and EPC specifications:

• Sizes: ½” to 48”
• Pressure Class: Class 150 to Class 2500
• PN Ratings: PN10 to PN420
• End Connections: Flanged, Butt Weld, Socket Weld, Threaded
• Operation: Manual, Gear Operated, Pneumatic Actuated, Electric Actuated

Manufacturing and inspection follow ASTM, ASME, ANSI, and API standards, supporting chemical plant projects, EPC contractors, and export requirements.

Applications of Alloy 20 Valves

Alloy 20 valves for chemical plants are widely used where resistance to acids and corrosive media is critical:

• Chemical and petrochemical processing facilities
• Sulfuric, nitric, and phosphoric acid handling systems
• Fertilizer and chemical intermediate production units
• Specialty chemical manufacturing plants
• Industrial wastewater treatment and acid neutralization systems

Valve selection considers acid concentration, operating temperature, and pressure conditions to ensure extended service life.

Quality Control & Testing

Each Alloy 20 valve undergoes structured factory inspection and testing, including:

• Hydrostatic shell pressure testing
• Seat leakage and sealing performance checks
• Functional and operational testing
• Dimensional inspection
• Material traceability and PMI verification

These tests ensure pressure integrity, corrosion resistance, and operational reliability before dispatch.

Alloy 20 Valve Sizing & Selection Support

Accurate valve sizing is critical to prevent erosion, excessive pressure drop, and premature material degradation. Engineering support is provided based on:

• Process fluid composition
• Operating pressure and temperature
• Flow rate and Cv calculations
• Valve duty cycle and automation requirements

This ensures application-specific Alloy 20 valve selection rather than catalogue-based sizing.

Alloy 20 Material Selection Overview

Our Manufacturing Value :

• In-house Alloy 20 valve manufacturing and testing
• Experience supplying chemical industry projects across India and export markets
• Capability for standard and severe corrosive service valves
• Compliance with international material, pressure, and testing standards
• EPC-focused engineering, documentation, and technical support

Our focus remains on delivering high-performance Alloy 20 valves engineered for demanding chemical process conditions.