Durability and Material Strength
Cast Steel Construction: Cast steel swing check valves are made from high-quality cast steel, which provides outstanding strength and durability. This material choice ensures that the valve can withstand high pressures and temperatures, making it suitable for a wide range of applications in industries such as oil and gas, petrochemical, and power generation.
Resistant to Corrosion: The cast steel material is inherently resistant to corrosion, which is a significant advantage in environments where the valve may be exposed to corrosive fluids. This resistance extends the valve's lifespan and reduces the need for frequent replacements or repairs.
Reliable Operation
Automatic Operation: Swing check valves operate automatically, opening to allow flow in one direction and closing to prevent backflow when the flow stops or reverses. This feature ensures a reliable and consistent flow control without the need for manual intervention.
Low Head Loss: Due to their streamlined design, cast steel swing check valves offer low head loss, which means they have less impact on the flow of fluid through the system. This is particularly beneficial in applications where maintaining high flow rates is critical.
Easy Maintenance and Installation
Simple Design: The swing check valve's design is straightforward, with few moving parts, which simplifies maintenance and reduces the likelihood of mechanical failure. This simplicity also makes the valve easier to install and service.
Flanged Connections: These valves typically feature flanged connections, which are standard in the industry. This compatibility allows for easy integration with existing piping systems, reducing installation time and costs.
Versatility in Applications
Wide Range of Sizes and Pressure Ratings: Cast steel swing check valves are available in a variety of sizes and pressure ratings, making them suitable for a broad spectrum of applications. This versatility allows engineers to select the appropriate valve for specific requirements, ensuring good performance.
Applicability in Various Fluids: These valves can handle a variety of fluids, including water, steam, oil, and gases. Their ability to manage different types of media without compromising performance is a significant advantage in diverse industrial settings.
Safety and Compliance
Backflow Prevention: Swing check valves are crucial for preventing backflow, which can lead to system contamination or damage. They provide a reliable barrier that safeguards against reverse flow, ensuring the safety and integrity of the system.
Compliance with Standards: Cast steel swing check valves are manufactured to comply with international standards such as ASME, API, and ISO. This adherence to standards ensures that the valves meet the hihg quality and performance expectations.
In summary, cast steel swing check valves offer a combination of durability, reliability, and versatility that makes them an good choice for a wide range of industrial applications. Their automatic operation, low maintenance requirements, and compliance with international standards make them a cost-effective and safe option for controlling fluid flow and preventing backflow.
Main performance specifications
Test pressure(Mpa) |
Nominal pressure(Lb) |
150 |
300 |
600 |
Shell strength test |
3.0 |
7.5 |
15.0 |
Seal test |
2.2 |
5.5 |
11.0 |
Material of valve |
WCB(C) |
CF8(P) |
CF8M(R) |
WC6 WC9(V) |
Working temperature |
≤425 |
≤200 |
≤200 |
≤540 |
Applicable medium |
Water, steam, oil |
Nitric acid |
Aectic acid |
Water, steam |
Implementation Standards
Designing and manufacturing: ANSI B16.34
Structure length: ANSI B16.10
Inspection and testing: API598, API6D
Main dimensions
Type |
Nominal diameter |
Unit |
Dimensions |
ln. |
mm |
L |
D |
D1 |
D2 |
b |
Z-φd |
H |
|
2" |
50 |
ln. |
9.00 |
6.00 |
4.75 |
3.62 |
0.75 |
4-0.75 |
6.34 |
API 150Lb |
mm |
203 |
157 |
120.7 |
92 |
19.5 |
4-19 |
161 |
21/2" |
65 |
ln. |
8.50 |
7.00 |
5.50 |
4.12 |
0.88 |
4-0.75 |
7.08 |
mm |
216 |
178 |
139.7 |
105 |
22.5 |
4-19 |
180 |
3" |
80 |
ln. |
9.50 |
7.50 |
6.00 |
5.00 |
0.94 |
4-0.75 |
7.48 |
mm |
241 |
190.5 |
152.4 |
127 |
24 |
4-19 |
190 |
4" |
100 |
ln. |
11.50 |
9.00 |
7.50 |
6.19 |
0.94 |
8-0.75 |
8.66 |
mm |
292 |
229 |
190.5 |
157.2 |
24 |
8-19 |
220 |
6" |
150 |
ln. |
14.00 |
11.00 |
9.50 |
8.50 |
1.00 |
4-0.88 |
10.12 |
mm |
356 |
279 |
241.5 |
216 |
25.5 |
8-22.5 |
257 |
8" |
200 |
ln. |
19.50 |
13.50 |
11.75 |
10.62 |
1.12 |
8-0.88 |
11.50 |
mm |
495 |
343 |
298.5 |
270 |
29 |
8-22.5 |
292 |
10" |
250 |
ln. |
24.5 |
16.00 |
14.25 |
12.75 |
1.19 |
12-1.00 |
13.78 |
mm |
622 |
406 |
362 |
324 |
30.5 |
12-25 |
350 |
12" |
300 |
ln. |
27.50 |
19.00 |
17.00 |
15.00 |
1.25 |
12-1.00 |
15.6 |
mm |
699 |
483 |
432 |
381 |
32 |
12-25 |
30 |