A stainless steel gate valve is a type of valve used to control the flow of liquids or gases in a pipeline. It's called a gate valve because it has a gate-like disc or wedge that moves up and down to either block or allow flow through the valve.
Stainless steel is a common material choice for gate valves because of its corrosion resistance and durability, making it suitable for a wide range of applications, including industrial, chemical, petrochemical, and water systems where corrosion resistance is crucial.
Stainless steel gate valves offer several advantages compared to gate valves made from other materials:
Compatibility: Stainless steel is compatible with a wide range of fluids, including water, steam, oil, chemicals, and gases, making stainless steel gate valves versatile and suitable for various applications across different industries.
Longevity: Stainless steel gate valves have a long service life due to their resistance to corrosion, wear, and degradation, reducing the need for frequent replacements and maintenance, which can result in cost savings over time.
Fire Resistance: Stainless steel has excellent fire resistance properties, making stainless steel gate valves suitable for applications where fire safety is a concern, such as in oil and gas installations or industrial facilities.
Aesthetic Appeal: Stainless steel has a sleek and modern appearance, making stainless steel gate valves aesthetically pleasing and suitable for applications where appearance matters, such as architectural and decorative installations.
Overall, the advantages of stainless steel gate valves make them a preferred choice for many industrial, commercial, and residential applications where reliability, durability, and corrosion resistance are paramount.
A stainless steel gate valve operates similarly to other valves. To open the valve, turn the handwheel, which moves the gate up or down on the stem via the threads. A stainless steel gate valve requires more than one 360° turn to open or close the valve fully. When the stainless steel gate is lifted, it opens the inlet to the outlet allowing an unobstructed passageway for the media to flow. When the stainless steel gate is lowered, it closes and blocks the media flow.
Applications of Stainless Steel Gate Valves
Because of its resilience, a stainless steel gate valve is used in an array of industrial applications. These include:
Oil and gas industry;
Chemical and pharmaceuticals;
Marine;
Water and wastewater treatment;
Manufacturing industries.
Material of Stainless Steel Gate Valve
| Number |
Name |
Material |
| 1 |
Body |
ASTM A351 CF8M |
| 2 |
Disc |
ASTM A351 CF8M |
| 3 |
Stem |
ASTM A276 316 |
| 4 |
Bonnet |
ASTM A351 CF8M |
| 5 |
Body Gasket |
PTFE |
| 6 |
Snap Ring |
ASTM A276 316 |
| 7 |
Washer |
ASTM A276 316 |
| 8 |
Packing |
PTFE |
| 9 |
Packing Sleeve |
ASTM A276 304 |
| 10 |
Packing Gland |
ASTM A351 CF8M |
| 11 |
Hand Wheel |
Aluminium Alloy |
| 12 |
Nut |
ASTM A194-B8M |
| 13 |
Plain Washer |
ASTM A276 304 |
| Size |
DN |
L |
H |
D |
| ½" |
15 |
55 |
95 |
62 |
| ¾" |
20 |
61 |
100 |
72 |
| 1" |
25 |
68 |
105 |
72 |
| 1 ¼" |
32 |
72 |
125 |
78 |
| 1 ½" |
40 |
79 |
145 |
95 |
| 2" |
50 |
87 |
165 |
95 |
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