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Alloy 20 Valves Manufacturer In India – Astm B366, Uns N08020; High Corrosion Resistance And Chemical Durability For Process Industries

Alloy 20 Valves Manufacturer In India – Astm B366, Uns N08020; High Corrosion Resistance And Chemical Durability For Process Industries
Specification Details
Size range4 2, 1/2" 36"
Pressure RatingAnsi Class 150, 300, 600, 900, 1500, Pn 16, Pn 25, Pn 40, Pn 63, Pn 100
Trim MaterialStainless Steel, Hastelloy, Inconel

Alloy 20 Valves Manufacturer in India – ASTM B462 / UNS N08020, Offering Superior Acid Corrosion Resistance & High-Performance Reliability

Ridhiman Alloys is One of the primary Alloy 20 valves manufacturers, which offers flow control components engineered to extreme accuracy to be used in highly corrosive industrial applications, especially sulfuric acid and chloride-containing process media. The 20 Valves have the best resistance to pitting, crevice corrosion, and stress corrosion cracking, and they provide reliable sealing and flow control of their use in extreme temperature and stress pressure conditions. 

Product Grade & Specification Table

Material GradeStandard (Common)Temperature RangePressure RatingsValve TypesEnd ConnectionsTypical Applications
Alloy 20 (UNS N08020 / Carpenter® 20)ASTM B366 / ASTM B462 / ASME SB462−20°C to +350°CClass 150 – 1500Gate, Globe, Check, Ball, PlugFlanged (RF / RTJ), Socket Weld, Butt Weld, Threaded (NPT)Chemical, Petrochemical, Pharmaceuticals, Fertilizers, Acid Processing Units

Key Features

Application Scope: The Alloy 20 Valves are popular in sulfuric acid, chemical plants, pharmaceutical manufacturing, sea water systems, pulp and paper mills, food processing lines and other corrosive industrial environments that need the service of durable valves.

Material & Corrosion Performance:
The excellent level of nickel, chromium, copper and molybdenum gives better resistance to:

  • Mixed acid streams & sulfuric acid.
  • Stress corrosion cracking caused by chloride.
  • Crevice and pitting corrosion in seawater exposure.
  • Handling of nitric and phosphoric acid.
  • Oxidizing & reducing media

Valve Design & Standards

Depending on the service conditions in the engine, valves are designed and produced according to international standards in the industry including API, ASME, ANSI and DIN. They are applicable in isolation, back flow prevention, throttling and continuous flow regulation.

Technical Attributes

  • Good acid and chloride corrosion resistance in acidic and chloride conditions.
  • Good high temperature mechanical stability.
  • Sealing with minimum operation torque Leak-tight.
  • Manual, electric, and pneumatic actuated.
  • Adherent to significant standards of ANSI / ASME / API.
  • Capable of working under cyclic pressure and thermal variations.

Available End Configurations

  • Flanged (RF / RTJ)
  • Butt Weld (BW)
  • Socket Weld (SW)
  • Threaded (NPT)

Alloy 20 Valves – Clients & Project Supply

Alloy 20 Valve is used in industrial chemical and refining plants since they have been tested to perform well under corrosive and high-temperature service conditions. Engineers consider compatibility with process media, corrosion type, temperature, pressure group, and final connection type so that there is a maximum system dependability.

Product SuppliedQuantityLocation
Alloy 20 Ball Valves Class 30078 UnitsDahej
Alloy 20 Gate Valves Class 150142 UnitsAnkleshwar
Alloy 20 Check Valves Class 60056 UnitsHyderabad
Alloy 20 Globe Valves Class 15097 UnitsChennai

These valves are used in industrial fields, e.g. chemical processing, petrochemical refineries, acid plant units, desalination plants, offshore fields, power generation system, and pulp and paper manufacturing plant. Alloy 20 valves are a best seller in the b2b marketplace especially when installing new equipment or when upgrading a plant. The Alloy 20 valves are often sourced by companies looking at the related corrosion-resistant types of valve materials like Alloy Valves and Valves to be used in similar operating environments.


Type of Sub-products

Frequently Asked Questions

What is an Alloy 20 valve used for?

What materials are Alloy 20 valves made of?

What industries commonly use Alloy 20 valves?

Countries We Export

  • India

Cities We Supply

  • Ahmadnagar

  • Ahmadpur

  • Ahmedabad

  • Bangalore Rural

  • Bangalore Urban

  • Bengaluru

  • Chandigarh

  • Chennai

  • Coimbatore

  • Haridwar

  • Hyderabad

  • Jaipur

  • Jodhpur

  • Jodhpur (ahmedabad)

  • Kalyan

  • Kolhapur

  • Kolkata

  • Lucknow

  • Mumbai

  • Mumbai Suburban

  • Murud (raigad)

  • Nagpur

  • Nashik

  • Navi Mumbai

  • New Delhi

  • Pune

  • Raipur

  • Rajkot

  • Rampura

  • Sion, Mumbai

  • Surat

  • Thane

  • Varanasi

  • Visakhapatnam

  • Moradabad

  • Angul

  • Rudrapur

  • Hosdurg

  • Gandhinagar

  • Rajahmundry

  • Durgapur

  • Bharuch

  • Panipat

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