Manufacturer, Supplier & Exporter of Stainless Steel 304 Needle Valve

Stainless Steel 304 Needle Valve is a precision flow control valve designed to regulate or shut off the flow of liquids and gases with high accuracy. These valves are characterized by their narrow, needle-like plunger which allows for fine control in low flow rate systems. Made from high-quality SS 304, this valve exhibits excellent resistance to corrosion, oxidation, and wear, making it suitable for harsh environments and demanding applications.

Riddhi Siddhi Impex, a trusted and reputed manufacturer and domestic supplier of Stainless Steel 304 Needle Valves, provides valves that adhere to strict industrial standards such as ASME, ANSI, and ASTM. Their valves are widely used in industries like oil & gas, chemical processing, instrumentation, food and beverage, and water treatment plants. Each valve is engineered with precision to ensure leak-free and efficient performance under varying pressure and temperature conditions.

These needle valves are ideal for throttling applications where precise flow control is essential. The use of SS 304 material ensures the valve can withstand a wide range of temperatures and is resistant to a variety of corrosive agents. They are particularly valued in instrumentation lines and laboratory settings where accuracy and reliability are crucial. The stainless steel construction also ensures low maintenance, long service life, and safe operation.

As a Stainless Steel 304 Needle Valve Domestic Supplier, Riddhi Siddhi Impex caters to customers across a wide range of Indian cities. Their supply network covers major industrial hubs including Mumbai, Delhi, Bengaluru (Bangalore), Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, Rajkot, Nagpur, Indore, Bhopal, Jaipur, Kanpur, Lucknow, Agra, Varanasi, Amritsar, Chandigarh, Mysuru (Mysore), Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, Mangalore, Nashik, Kolhapur, Chandrapur, Akola, Vilayat, Somnath, Dahej, Ankleshwar, Navsari, Valsad, Rajpipla, and beyond.

Available in a wide range of sizes (typically 1/8” to 1”), thread types (NPT, BSP, BSPT), and pressure ratings (up to 6000 PSI), these valves are designed to meet the varying requirements of industrial and laboratory systems. They can be configured as straight, angle, or multi-turn types, depending on the specific application. Riddhi Siddhi Impex also offers customization for OEM or project-based requirements.

Stainless Steel 304 Needle Valve

Specifications

Specification	Details
Product	Stainless Steel 304 Needle Valve
Material	SS 304 / ASTM A276, A479
Size Range	1/8” to 1” (up to 2” on request)
Thread Types	NPT, BSP, BSPT
Pressure Rating	Up to 6000 PSI
Operation	Manual, Screw-Type
Applications	Instrumentation, Gas Systems, Flow Control

Chemical Composition of SS 304

Element	Content (%)
Carbon (C)	≤ 0.08
Manganese (Mn)	≤ 2.00
Silicon (Si)	≤ 1.00
Chromium (Cr)	18.0 – 20.0
Nickel (Ni)	8.0 – 10.5
Phosphorus (P)	≤ 0.045
Sulfur (S)	≤ 0.03

Mechanical Properties

Property	Value
Tensile Strength	≥ 515 MPa
Yield Strength	≥ 205 MPa
Elongation	≥ 40%
Hardness	≤ 201 HB

Dimension Chart (Sample - Threaded Needle Valve)

Size (Inch)	End-to-End (mm)	Port Diameter (mm)	Weight (Kg)
1/4"	60	4.8	0.25
1/2"	75	6.4	0.40
3/4"	90	9.5	0.65
1"	110	12.7	1.10

Equivalent Grades

Standard	Grade
ASTM	A276 / A479 TP304
EN	1.4301
JIS	SUS 304
IS	30400

Equivalent Standards

Standard	Description
ASME B16.34	Valves - Flanged, Threaded, and Welding End
ASTM A276	SS Bars and Shapes
ASTM A479	SS Bars for Pressure Vessels
ISO 5208	Industrial Valve Testing

Other Types of Needle Valves

Type	Description
Angle Needle Valve	90° flow control design for space efficiency
Block & Bleed Valve	For double isolation and venting
High-Pressure Needle Valve	Rated up to 10000 PSI
Mini Needle Valve	Compact design for instrumentation lines
Panel Mount Needle Valve	Designed for control panels and systems

The precise needle mechanism of the valve allows gradual opening and closing, ensuring no sudden surges or pressure drops, which is especially important in sensitive equipment setups. The SS 304 grade enhances the mechanical strength while maintaining resistance to scaling and stress corrosion cracking, making it ideal for both ambient and high-temperature applications.

Frequently Asked Questions (FAQs)

Q1: What is the primary use of a SS 304 Needle Valve?

A1: It is used for precise regulation of flow in gas or liquid systems, especially in low flow rate applications.

Q2: Can I get needle valves with different pressure ratings?

A2: Yes, Riddhi Siddhi Impex offers valves rated up to 6000 PSI, with custom options available on request.

Q3: What connection types are available?

A3: We offer threaded (NPT, BSP, BSPT), compression, and socket weld end connections.

Q4: Do you supply across India?

A4: Yes, we supply to major cities including Mumbai, Delhi, Pune, Chennai, Bengaluru, Hyderabad, Ahmedabad, and more.