CL Series Check Valves
CL Series Check Valves are a type of in-line check valve designed for use in compressed gas and pneumatic systems. They are available in a variety of sizes and materials to meet the needs of a wide range of applications. CL Series Check Valves are normally closed, meaning that they remain closed until a pressure differential is applied across the valve. When the pressure in the inlet port is greater than the pressure in the outlet port, the valve will open and allow flow to pass through. When the pressure differential is reduced or eliminated, the valve will close and prevent reverse flow.
CL Series Check Valves
CL Series Check Valves are a type of in-line check valve designed for use in compressed gas and pneumatic systems. They are available in a variety of sizes and materials to meet the needs of a wide range of applications. CL Series Check Valves are normally closed, meaning that they remain closed until a pressure differential is applied across the valve. When the pressure in the inlet port is greater than the pressure in the outlet port, the valve will open and allow flow to pass through. When the pressure differential is reduced or eliminated, the valve will close and prevent reverse flow.
CL Series Check Valves are known for their reliability and durability. They are constructed with high-quality materials and feature precision engineering to ensure a tight seal and long service life. They are also relatively lightweight and compact, making them easy to install and maintain.
CL Series Check Valve Features:
- Rugged all stainless steel construction
- Union bonnet design， all-stainless steel structure， horizontal installation with bonnet nut on top
- Reverse flow coefficients less than 0.10 off onward flow coefficient
- Working pressure up to:6000 psig (414 bar）
- Working temperature:-65F to 900 F（-53 Cto 482 C）
CL Series Check Valve Materials of Construction:
| Component | Valve Material Grade/ASTM Specification | |
| 1 | Bonnet Nut | 316 SS/A479 |
| 2 | Bonnet | 316 SS/A479 |
| 3 | Poppet | S17400/A564 |
| 4 | Body | 316 SS/A479 |
CL Series Check Valve Dimensions:
| Basic Ordering Number |
Connection Type and Size | CV | Dimension, in.(mm) | ||||
| Inlet | Outlet | A | B | C | D | ||
| -CL-FN2 | 1/8 Female NPT | 1/8 Female NPT | 0.30 | 2.00 (50.8) | 1.00 (25.4) | 1.47 (37.3) | 0.39 (10.0) |
| -CL-FN4 | 1/4 Female NPT | 1/4 Female NPT | 0.64 | 2.25 (57.2) | 1.25 (31.8) | 1.85 (47.0) | 0.50 (12.7) |
| -CL-FN6 | 3/8 Female NPT | 1/8 Female NPT | 2.20 | 3.12 (79.2) | 1.86 (47.2) | 2.44 (62.0) | 0.62 (15.7) |
| -CL-FN8 | 1/2 Female NPT | 1/4 Female NPT | 2.20 | 3.12 (79.2) | 1.86 (47.2) | 2.44 (62.0) | 0.62 (15.7) |
| -CL-FT4 | 1/4 Tube | 1/4 Tube | 0.30 | 2.40 (61.0) | 1.01 (25.7) | 1.47 (37.3) | 0.39 (10.0) |
| -CL-FT6 | 3/8 Tube | 3/8 Tube | 0.64 | 2.83 (71.9) | 1.31 (33.3) | 1.85 (47.0) | 0.50 (12.7) |
| -CL-FT8 | 1/2 Tube | 1/2 Tube | 2.20 | 3.92 (99.6) | 2.19 (55.6) | 2.44 (62.0) | 0.62 (15.7) |
| -CL-FT12 | 3/4 Tbue | 3/4 Tbue | 2.20 | 3.92 (99.6) | 2.19 (55.6) | 2.44 (62.0) | 0.62 (15.7) |
| -CL-MT7 | 6mm Tube | 6mm Tube | 0.30 | 2.40 (61.0) | 1.01 (25.7) | 1.47 (37.3) | 0.39 (10.0) |
| -CL-MT10 | 10mm Tube | 10mm Tube | 0.64 | 2.83 (71.9) | 1.31 (33.3) | 1.85 (47.0) | 0.50 (12.7) |
| -CL-MT12 | 12mm Tube | 12mm Tube | 2.20 | 3.92 (99.6) | 2.19 (55.6) | 2.44 (62.0) | 0.62 (15.7) |
| -CL-SW4 | 1/4 Socket Weld | 1/4 Socket Weld | 0.30 | 1.81 (46.0) | 0.90 (22.9) | 1.47 (37.3) | 0.39 (10.0) |
| -CL-SW6 | 3/8 Socket Weld | 3/8 Socket Weld | 0.64 | 2.25 (57.2) | 1.25 (31.8) | 1.85 (47.0) | 0.50 (12.7) |
| -CL-SW8 | 1/2 Socket Weld | 1/2 Socket Weld | 2.20 | 3.13 (79.5) | 2.19 (55.6) | 2.44 (62.0) | 0.62 (15.7) |
| -CL-BW4 | 1/4 Butt Weld | 1/4 Butt Weld | 0.30 | 1.81 (46.0) | 0.90 (22.9) | 1.47 (37.3) | 0.39 (10.0) |
| -CL-BW6 | 3/8 Butt Weld | 3/8 Butt Weld | 0.64 | 2.25 (57.2) | 1.25 (31.8) | 1.85 (47.0) | 0.50 (12.7) |
| -CL-BW8 | 1/2 Butt Weld | 1/2 Butt Weld | 2.20 | 3.13 (79.5) | 2.19 (55.6) | 2.44 (62.0) | 0.62 (15.7) |
Advantages of CL Series Check Valves:
- Reduced water hammer: The CL Series Check Valves are designed to close slowly and quietly, which helps to reduce water hammer and protect equipment from damage.
- Low pressure drop: The CL Series Check Valves have a low pressure drop, which means that they have less of an impact on the overall flow rate of the system.
- Energy savings: The low pressure drop of the CL Series Check Valves can help to reduce energy costs by requiring less power to operate the pumps and other equipment in the system.
- Long service life: The CL Series Check Valves are made with high-quality materials and construction, which gives them a long service life.
- Low maintenance: The CL Series Check Valves are designed for low maintenance, with few moving parts that require lubrication.
- Wide range of applications: The CL Series Check Valves are suitable for a wide range of applications, including water, wastewater, industrial, and commercial systems.
- Versatility: The CL Series Check Valves can be installed in horizontal or vertical pipelines, and they can be used with a variety of fluids, including water, wastewater, and chemicals.
- Durability: The CL Series Check Valves are made with durable materials, such as stainless steel and bronze, which makes them suitable for use in harsh environments.
- Reliability: The CL Series Check Valves are designed for reliable operation, even in demanding applications.
Overall, the CL Series Check Valves offer a number of advantages over other types of check valves, making them a good choice for a wide range of applications.
How Does CL Series Check Valves Work?
CL Series Check Valves are a type of swing check valve. Swing check valves work by using a hinged disc to block the flow of fluid in one direction. When the fluid pressure in the upstream direction is greater than the cracking pressure of the valve, the disc swings open and allows the fluid to flow through the valve. When the fluid pressure in the downstream direction becomes greater than the pressure in the upstream direction, the disc swings closed and prevents backflow.
CL Series Check Valves are designed to provide a tight seal with minimal head loss. They are also designed to be highly durable and resistant to corrosion. CL Series Check Valves are commonly used in a variety of applications, including water and wastewater treatment, industrial processes, and power generation.
Here is a more detailed explanation of how CL Series Check Valves work:
- The valve body has two chambers, an inlet chamber and an outlet chamber. The inlet chamber is where the fluid enters the valve and the outlet chamber is where the fluid exits the valve.
- Between the two chambers is a hinged disc. The disc is held in place by a spring or by the weight of the disc itself.
- When the fluid pressure in the inlet chamber is greater than the cracking pressure of the valve, the disc swings open and allows the fluid to flow through the valve.
- When the fluid pressure in the downstream direction becomes greater than the pressure in the upstream direction, the disc swings closed and prevents backflow.
CL Series Check Valves are available in a variety of sizes and materials to meet the needs of a wide range of applications.
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China Check Valve Manufacturers
We're well-known as one of the leading check valve manufacturers and suppliers, specializing in providing different kinds of fittings, instrument valves, and flanges. We warmly welcome you to buy high-quality check valves in stock from our factory. C Series Check Valves, CH Series Check Valves, CP & CPA Series Check Valves, CA Series Check Valves, and CL Series Check Valves.
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