Frequently Asked Questions (FAQs) about Industrial Refrigeration Valves
What types of valves do you offer for industrial refrigeration systems?
We offer a wide range of valves including pilot-operated valves, solenoid valves, check valves, expansion valves, and more. Our selection covers various brands such as Phillips, Hansen, Parker, and Danfoss.
How do I choose the right valve size for my system?
Valve size selection depends on factors like system capacity, refrigerant type, pressure drop requirements, and pipe size. We offer valves with port sizes ranging from 3/8" to 1-9/16". It's best to consult your system specifications or contact our technical support for assistance.
What's the difference between pilot-operated and direct-operated valves?
Pilot-operated valves use the system pressure to assist in opening and closing, making them suitable for larger systems or where tight shut-off is required. Direct-operated valves are typically used in smaller systems or where faster response times are needed.
Are your valves compatible with different refrigerants?
Yes, we offer valves compatible with various refrigerants including ammonia and halocarbon refrigerants. Always check the product specifications to ensure compatibility with your specific refrigerant.
What do the different spring ratings mean (e.g., 705-10L, 705-35R)?
Spring ratings indicate the opening pressure of the valve. For example, a 705-10L spring might open at a lower pressure than a 705-35R spring. The exact pressures depend on the specific valve model and manufacturer.
What are metering plugs and how do they affect valve operation?
Metering plugs control the flow characteristics of the valve. Different metering plug designs (e.g., 0 degree, 1 degree, 445.25) provide different flow rates and control characteristics, allowing for precise system control.
Do you offer valves with different flange options?
Yes, we offer valves with various flange options including socket weld, threaded, and ODC (oval double connection) flanges. Some valves are also available without flanges for custom installations.
What maintenance do refrigeration valves typically require?
Maintenance requirements vary by valve type, but generally include regular inspection for leaks, checking for proper operation, and periodic replacement of seals or gaskets. Some valves may require occasional cleaning or lubrication.
Can I replace just the internal components of a valve?
In many cases, yes. We offer repair kits for various valve models that allow you to replace internal components like seats, seals, and diaphragms without replacing the entire valve body.
What's the purpose of a strainer in a valve assembly?
A strainer helps protect the valve and downstream components from debris in the refrigerant flow. It's particularly important in older systems or after system repairs where contaminants might be present.