Autor: Sakowitz

Difference Between Dry Gas Seal and Mechanical Seal

Do you know the main difference between dry gas seals and mechanical seals?Although both are used to protect rotating shafts from leakage, they work in different ways and are designed for different applications. Choosing the right seal based on actual operating conditions ensures reliable and long-lasting performance. In this guide, we will compare dry gas […]

Double Mechanical Seal vs Single Mechanical Seal

Do you know when a double mechanical seal is worth the extra complexity?It is worth considering when leakage is dangerous, the fluid can crystallize or cause corrosion, or the process requires sterile or high-purity conditions. A double mechanical seal is also useful for harsh conditions such as frequent dry running, sudden pressure changes, or other […]

What Is a Double Mechanical Seal?

Do you know what a double mechanical seal is? It uses two separate mechanical seals around the rotating shaft to provide two layers of sealing protection.A barrier fluid cools and lubricates the seals, prevents the process fluid from leaking out, and helps keep the system running safely and reliably. It should be noted that, according […]

What Happens When a Check Valve Fails?

Do you know what happens when a check valve fails? Your system can no longer control the one-way flow of the medium properly. The most direct results include backflow, reduced flow, pressure loss, valve leakage, unusual noise, and pipe vibration. For this reason, you should not treat check valve failure as a small, isolated problem. If […]

What Is Check Valve Cracking Pressure?

Do you know what check valve cracking pressure is?Check valve cracking pressure is the minimum pressure needed to push the valve disc open and allow fluid to flow through the pipeline.If the pressure is too low, the valve stays closed. Once the required pressure is reached, the disc opens and allows fluid to pass. Cracking […]

What Is a Check Valve in Plumbing?

Do you know what a check valve is in a plumbing system?A plumbing check valve is a one-way valve that allows water to flow in only one direction.When water starts flowing backward, the valve closes automatically. It prevents backflow, protects pumps and other equipment, and helps your plumbing system operate safely and steadily.Next, I will […]

What Causes Water Hammer in Check Valves?

Do you know why water hammer occurs in a check valve? The reason is simple: improper valve closing can easily cause water hammer.If the valve closes too quickly, the water flow stops suddenly and creates a pressure shock. If the valve closes too slowly, reverse flow develops. The valve disc then slams against the seat, […]

What Is a Check Valve in HVAC?

Do you know what a check valve is in an HVAC system? It is a one-way valve that lets refrigerant, water, or condensate flow in only one direction.When the fluid tries to flow backward, the valve closes quickly. This stops backflow and protects the equipment. Next, I will explain common facts about HVAC check valves […]

How to Choose a Check Valve for a Water Pump?

Selecting an inappropriate check valve for a pump can lead to severe system issues. Both oversized and undersized valves cause pressure loss in the check valve. Improper closing characteristics may also result in backflow, water hammer, pressure surges, or pump reversal. Choose a check valve based on more than pipe diameter, including pump type, flow […]

What Is Check Valve Back Pressure?

Why is check valve back pressure important?A check valve must close quickly, stay sealed, and withstand reverse pressure to keep your whole system safe.If back pressure exceeds the valve’s limit or the valve closes too slowly, you may experience internal leakage, backflow, water hammer, disc impact, vibration, and pump damage. You should check the system […]

Check Valve Problems: Common Failures, Causes and Solutions

When your check valve develops a problem, you should take it seriously.Small leaks, unusual noise, or higher pressure loss can worsen over time, causing backflow, water hammer, pump cycling, pipe vibration, seal damage, or equipment failure.Identifying the problem promptly can not only reduce maintenance costs but also prevent unplanned downtime and system safety risks. Common […]

Why Is My Check Valve Leaking?

You should know that a leaking check valve is not just a minor sealing problem. It can cause backflow, pressure loss, frequent pump cycling, water hammer, wasted energy, and damage to your pipes, pumps, or other equipment. So, why is your check valve leaking? Common causes include debris between the disc and seat, worn sealing […]