Duplex Steel Globe Valve

Manufacturer, Supplier & Exporter of Duplex Steel Globe Valve

Riddhi Siddhi Impex is a trusted manufacturer and domestic supplier of Duplex Steel Globe Valves in India. These valves are designed to regulate flow in pipelines with precision, offering excellent durability and corrosion resistance. With a strong presence across major industrial cities, Riddhi Siddhi Impex ensures timely delivery and exceptional product quality, making it a go-to source for industries requiring robust and reliable valve solutions.

The Duplex Steel Globe Valve is engineered using premium grades such as UNS S31803 and UNS S32205, which offer superior mechanical properties and enhanced resistance to stress corrosion cracking, pitting, and crevice corrosion. These valves are particularly effective in applications involving high pressures and corrosive environments, making them ideal for sectors like petrochemical, oil & gas, marine, power generation, and desalination.

These globe valves feature a spherical body design with a movable plug that can be raised or lowered to control the flow of liquids or gases. This design allows for precise throttling and shutoff capabilities. Riddhi Siddhi Impex manufactures these valves in various sizes, pressure ratings, and end connections including flanged, butt-weld, socket-weld, and threaded ends.

The Duplex Steel Globe Valve is highly favored in critical industrial applications due to its strength and longevity. Unlike standard stainless steel, duplex grades combine the advantages of austenitic and ferritic steel structures, offering twice the strength of 304 or 316 stainless steel. This makes them not only cost-effective but also dependable over long operational lifespans.

Riddhi Siddhi Impex maintains a strong domestic supply network across Indian cities like Mumbai, Delhi, Bengaluru (Bangalore), Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, and Rajkot. They also cater to rapidly growing industrial hubs like Nagpur, Indore, Bhopal, Jaipur, Kanpur, Lucknow, and Agra, ensuring comprehensive availability across India.

Duplex Steel Globe Valve - Specifications

Size Range	1/2” to 24” (DN15 to DN600)
Pressure Ratings	150# to 2500#
End Connections	Flanged, Screwed, Butt Weld, Socket Weld
Body Material	Duplex Steel (UNS S31803 / S32205)
Design Standard	API 602, ASME B16.34, BS 1873
Testing Standard	API 598 / ISO 5208
Operation	Handwheel, Gear, Pneumatic or Electric Actuator

Chemical Composition

Element	Composition (%)
Carbon (C)	0.03 max
Chromium (Cr)	21.0 – 23.0
Nickel (Ni)	4.5 – 6.5
Molybdenum (Mo)	2.5 – 3.5
Manganese (Mn)	2.0 max
Silicon (Si)	1.0 max
Nitrogen (N)	0.14 – 0.20

Mechanical Properties

Property	Value
Tensile Strength	620 MPa (min)
Yield Strength (0.2% Proof)	450 MPa (min)
Elongation	25% (min)
Hardness	290 HB max

Dimension Chart (Sample for Class 150 Globe Valve)

Size (inch)	Face-to-Face (mm)	Flange Dia (mm)	Height (mm)
1"	130	108	220
2"	150	152	280
4"	230	229	360
6"	356	279	460

Equivalent Grades

Standard	Grade
UNS	S31803 / S32205
WNR	1.4462
EN	X2CrNiMoN22-5-3

Equivalent Standards

Standard	Description
ASTM A995	Standard for castings made from Duplex Stainless Steel
ASME B16.34	Valves - Flanged, Threaded and Welding End
API 598	Valve Inspection and Testing

Other Types of Duplex Steel Valves

Type	Description
Duplex Steel Ball Valve	Rotary motion valve for on/off control
Duplex Steel Check Valve	Prevents backflow in pipelines
Duplex Steel Butterfly Valve	Quarter-turn valve for throttling
Duplex Steel Plug Valve	Used for straight-line flow and minimal restriction
Duplex Steel Needle Valve	Precise flow control in small-diameter piping

Further, cities with expanding infrastructure like Varanasi, Amritsar, Chandigarh, Mysuru, Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, and Mangalore are served with equal efficiency. This wide coverage allows clients from tier-1, tier-2, and tier-3 cities to access world-class valve solutions with ease.

Frequently Asked Questions (FAQs)

Q1: What industries use Duplex Steel Globe Valves?

A1: These valves are commonly used in chemical processing, oil & gas, pulp & paper, and marine industries due to their excellent corrosion resistance.

Q2: Can Riddhi Siddhi Impex supply valves across India?

A2: Yes, we supply valves to major Indian cities including Mumbai, Delhi, Bengaluru, Chennai, Hyderabad, Ahmedabad, Surat, and many more.

Q3: Are Duplex Steel Globe Valves suitable for seawater applications?

A3: Yes, the high chromium and molybdenum content make them ideal for seawater and chloride-rich environments.

Q4: What customization options are available?

A4: Options include size, pressure rating, end connections, and actuation type (manual, pneumatic, electric).