Manufacturer, Supplier & Exporter of Stainless Steel 304 Gate Valve

Stainless Steel 304 Gate Valve is a highly durable and corrosion-resistant industrial valve used to control the flow of liquids or gases in various piping systems. Made from ASTM A351 Grade CF8 (equivalent to SS 304), this type of gate valve is preferred in applications requiring clean media handling, non-reactive flow, and high-pressure control. The SS 304 composition provides excellent resistance to oxidation, rust, and chemical exposure, making it ideal for use in water treatment, food processing, chemical plants, and general-purpose industrial pipelines.

The gate valve functions by lifting a wedge-shaped or parallel gate out of the flow path. It provides minimal flow restriction when fully open and a tight shut-off when closed, making it well-suited for on/off control rather than throttling applications. Stainless Steel 304 Gate Valves are available in various designs, such as rising stem and non-rising stem types, with end connections including flanged, screwed, or socket-welded ends. These valves are often manufactured to meet standards like API 600, BS 1414, and ASME B16.34.

Riddhi Siddhi Impex, a well-known manufacturer and supplier based in India, is recognized for producing and distributing high-quality Stainless Steel 304 Gate Valves. The company ensures precise machining, robust construction, and standard-compliant testing for every valve it manufactures. Their product line meets the stringent requirements of both Indian and international clients, offering not only superior functionality but also long operational life and ease of maintenance.

As a leading domestic supplier, Riddhi Siddhi Impex has built a strong presence in India’s industrial cities. They supply SS 304 Gate Valves across major hubs including Mumbai, Delhi, Bengaluru, Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, Rajkot, Nagpur, Indore, Bhopal, Jaipur, Kanpur, Lucknow, Agra, Varanasi, Amritsar, Chandigarh, Mysuru, Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, Mangalore, Nashik, Kolhapur, Chandrapur, Akola, Vilayat, Somnath, Dahej, Narmada, Ankleshwar, Navsari, Valsad, and Rajpipla. This extensive domestic reach allows for fast delivery, cost-effective logistics, and better client support.

SS 304 Gate Valves are often chosen for their hygienic properties, especially in sectors like pharmaceuticals, food and beverage, and clean water supply. In corrosive or semi-corrosive environments such as coastal regions, chemical plants, and wastewater facilities, SS 304 outperforms carbon steel valves due to its chromium and nickel content, which offers superior environmental resistance.

Stainless Steel 304 Gate Valve

Specifications

Parameter	Details
Product	Gate Valve
Material Grade	Stainless Steel 304 / ASTM A351 CF8
Valve Type	Rising/Non-Rising Stem Gate Valve
Size Range	1/2" to 24"
Pressure Rating	150#, 300#, 600#
End Connections	Flanged, Socket Weld, Threaded
Temperature Range	-29°C to 425°C
Operation	Handwheel, Gear, Motorized
Standards	API 600, ASME B16.34, BS 1414

Chemical Composition (SS 304 / CF8)

Element	Content (%)
Carbon (C)	0.08 max
Manganese (Mn)	2.00 max
Silicon (Si)	1.00 max
Chromium (Cr)	18.0 – 20.0
Nickel (Ni)	8.0 – 11.0
Phosphorus (P)	0.045 max
Sulfur (S)	0.030 max

Mechanical Properties

Property	Value
Tensile Strength	485 MPa min
Yield Strength (0.2% offset)	170 MPa min
Elongation	30% min
Hardness (HB)	201 max

Dimension Chart (Sample – Class 150 Flanged)

Size (Inch)	Face-to-Face (mm)	Flange OD (mm)	Weight (kg)
2"	178	150	15
4"	229	228	26
6"	394	280	45
8"	419	343	65
12"	457	483	110

Equivalent Grades

Standard	Equivalent Grade
ASTM	A351 CF8
EN	1.4301
JIS	SUS 304
IS	30400

Equivalent Standards

Standard Body	Specification
ASTM	A351 CF8
ASME	B16.34
API	600
BS	1414

Other Types of Gate Valves

Type	Description
Rising Stem Gate Valve	Stem rises with valve opening, easy to observe position
Non-Rising Stem Gate Valve	Stem doesn't move externally, ideal for tight spaces
Knife Gate Valve	Used in slurry & viscous applications, sharp-edged gate
Pressure Seal Gate Valve	High-pressure service, special pressure-seal bonnet
Flexible Wedge Gate Valve	Accommodates thermal expansion and misalignment

Buyers and contractors value Riddhi Siddhi Impex not only for their quality products but also for their customization capabilities. The company offers size ranges from ½” to 24”, pressure classes from 150 to 800, and options for handwheel, gear, or motorized actuators. They also provide valves with various seat materials (PTFE, metal-seated) and coatings if required for harsh environments.

Frequently Asked Questions (FAQs)

Q1: What is Stainless Steel 304 Gate Valve used for?

A1: It is commonly used in water treatment, chemical, and food processing applications for on/off flow control.

Q2: What pressure ratings are available for SS 304 gate valves?

A2: Riddhi Siddhi Impex offers SS 304 gate valves in Class 150, 300, and 600 pressure ratings.

Q3: Are SS 304 gate valves suitable for corrosive environments?

A3: Yes, SS 304 provides excellent corrosion resistance against many chemicals and environments.

Q4: Which Indian cities does Riddhi Siddhi Impex supply to?

A4: Riddhi Siddhi Impex supplies domestically to cities like Mumbai, Delhi, Bengaluru, Chennai, Pune, Hyderabad, Ahmedabad, Surat, and over 40+ other industrial hubs.