Sealand is a professional supplier of Water Mass Flow Meter, Beverage Mass Flowmeter, Water Mass Flowmeter, Beverage Mass Flow Meter, Palm Oil Flow Meter, ATEX, IECEx & CE approved.
It has self-diagnosis function.
The transmitter & software will self-diagnose once powered on/ connected.
Please keep the meter in good condition during transport, better packed in the original
package from the manufacturer.
a) Waterproof and moisture-proof;
Water Mass Flow Meter, Beverage Mass Flowmeter, Water Mass Flowmeter, Beverage Mass Flow Meter, Palm Oil Flow Meter Zhejiang Sealand Technology Co., Ltd. , https://www.sealandflowmeter.com
The transmitter will show error code immediately on the top of display if there is anything
wrong.
1.Error 01: Sensor error; 2.Error 02: Temp. sensor overrun;
3.Error 03: Zero failed; 4.Error 04: Transmitter initializing.
To callout the interface on software, click tool bar > Functions > Status. The light in front is
green when everything is fine, but will be red if there is any error.
Please make sure the site meets following requirements, if keep the meter in storage.
b) With few mechanical vibration and crush;
c) Temperature from -30°C to +65°C;
d) Humidity less than 80%, better about 50%;
e) Please clear up the sensor if storage used one;
f ) Performance will be influenced if storage in the open.
What Is The Difference Between Pipe Coupling And Union?
The primary distinction between a coupling and a union lies in their functionality. A coupling is designed to join two pipes together or connect a pipe to a swedge, serving primarily as an extension tool for pipelines. In contrast, a union facilitates the easy joining and disjoining of various components within a piping system—such as steam traps or control valves—for routine maintenance or replacement purposes. Importantly, whether to use a coupling or a union is not determined by any specific code requirements.
### 1. Understanding a Pipe Coupling
A **pipe coupling** is essentially a short section of pipe used to link two pipes together. This connection is typically achieved via a threaded mechanism, ensuring a secure seal through the threads. The disassembly process usually starts from one end, making it ideal for extending pipeline lengths.
- **Materials**: Pipe couplings come in a range of materials, including carbon steel, stainless steel, alloy steel, PVC, and even plastic, depending on the application.
- **Connection Methods**: Threaded connections are standard, but welding and socket connections are also employed in specific scenarios to meet varying mechanical and structural demands.
- **Manufacturing Standards**: Industry benchmarks such as ASME B1.20.1, DIN2986, and BS10241 guide the production of these couplings.
- **Manufacturing Process**: These couplings are either forged (by heating steel ingots or bars and machining threads) or cast (melting steel and pouring it into molds).
- **Applications**: Their versatility makes pipe couplings a popular choice across sectors like civil construction, industry, and agriculture.
### 2. Exploring a Pipe Union
A **pipe union**, on the other hand, is a versatile connector designed for quick and easy installation and removal. It comprises three main components: a nut, a body, and a gasket. Unions are commonly found at the ends of valves, water meters, and similar equipment, offering convenience during maintenance.
- **Materials**: Unions are made from materials like carbon steel, stainless steel, alloy steel, brass, PVC, and PE, catering to different pressure and temperature requirements.
- **Connection Forms**: Threaded unions are widely used, where the steel pipe is screwed into the fitting. Alternatively, socket unions involve inserting the pipe into a socket for welding.
- **Manufacturing Standards**: Standards such as ASME B16.11 and MSS SP 83 ensure quality and consistency in union manufacturing.
- **Types**: Unions are available in equal-diameter and unequal-diameter varieties, tailored to specific needs.
### 3. Pipe Coupling vs. Pipe Union
Both couplings and unions fall under the category of **pipe fittings**, but they serve distinct purposes. While couplings are meant to extend pipelines, unions allow for easy disconnection of connected components for maintenance or replacement.
- **Couplings**: Typically used to lengthen pipelines, they provide a solid connection and are suited for high-pressure applications. However, they are difficult to disassemble once tightly secured.
- **Unions**: Designed for frequent disassembly, unions are preferred for low-pressure systems and equipment like valves or radiators. Their ease of use makes them ideal for maintenance-heavy environments.
The pipe coupling offers options like threaded, butt-welded, and socket couplings, whereas unions are limited to threaded and socket unions. Additionally, unions eliminate the need for threading when connecting, offering a simpler disassembly process.
### 4. Pros and Cons
**Pipe Couplings**: Known for their durability and ability to withstand harsh conditions, couplings offer a robust solution for long-term use. Their straightforward design ensures quick installation and minimal leakage. However, their strong connections make them challenging to dismantle, especially in high-pressure environments.
**Unions**: These connectors excel in flexibility and ease of maintenance. They allow for easy disassembly and replacement, offering adaptability to changing needs. Yet, they may not hold up well against extreme pressures or vibrations, and wear over time can compromise efficiency.
### 5. About Us
Hebei Sanvo stands out as a leading manufacturer and supplier of premium pipe fittings in China. Our product lineup includes carbon steel pipe nipples, stainless steel pipe fittings, and more, all crafted to international standards.
If you're looking to enhance your pipeline infrastructure, don't hesitate to reach out to us. We’re eager to assist you with your inquiries and help you find the perfect solutions for your needs.