Product Description

Product Description

We are from HangZhou Shuntong Hydraulic Co., Ltd. Our company produces various types of hydraulic hose joints, including inch, metric, American, and other threaded joints, straight, 45-degree angle bend, 90-degree angle bend, tee series, and other products. The main materials are carbon steel galvanized, stainless steel, copper, etc.

Product Parameters

Product Details

Packaging & Shipping

Company Profile

Company Profile
From the moment we receive an order until it is fulfilled, HangZhou Shuntong Hydraulic Equipment’s company strategy is to give dependable service to our customers. Every step of the process, our knowledgeable staff will accompany you and keep you updated. We can secure growth and stability, but most importantly, client happiness, in this manner.

Our Team

FAQ

1. Are you a factory or a trading company?
We are a professional manufacturer for kinds of hydraulic fittings and adapters in China

2. What is your MOQ?
At least $3000

3. What payment methods are supported?
A: Payment: By T/T, Paypal, L/C, Western Union, Money Gram for samples 100% with the order, for production, 30% paid for deposit by before production arrangement, the balance to be paid before shipment. Negotiation is accepted.

4. Can You Make Customized Products?
We can produce according to your drawings or samples.
And we would negotiate with you if there is mold cost.

5. How many hours can your salt spray test reach?
“0~96 hours, no rust
96~120 hours, white rust
>120 hours, red rust”

6. How do I cancel or change products on an order?  
 If you need to cancel or change items on an order that has already been submitted, contact our Customer Care Team as soon as possible. Be sure to have your order confirmation number and the specific item numbers ready as reference.

Temperature and Pressure Limits of Stainless Steel Couplings

The temperature and pressure limits of stainless steel couplings can vary depending on the specific design, size, and material of the coupling. In general, stainless steel couplings are known for their excellent temperature and pressure resistance, making them suitable for a wide range of applications, including high-temperature and high-pressure environments.

Temperature Limits:

Stainless steel couplings can typically handle a wide temperature range, from as low as -100°C (-148°F) to as high as 800°C (1472°F) or even higher for specialized high-temperature applications. However, the exact temperature limits depend on factors such as the grade of stainless steel used, the presence of any seals or elastomeric components, and the intended application. Some stainless steel couplings are specifically designed for extreme temperatures in industries like aerospace, oil and gas, and chemical processing.

Pressure Limits:

Stainless steel couplings are known for their excellent strength and resistance to pressure. They can handle pressures ranging from a few hundred PSI (pounds per square inch) to several thousand PSI, depending on the coupling’s size and design. High-pressure stainless steel couplings are commonly used in hydraulic systems, oil and gas pipelines, and heavy machinery applications where reliable sealing and pressure containment are critical.

It is important to consult the manufacturer’s specifications and technical data to determine the exact temperature and pressure limits of a specific stainless steel coupling model. Using the coupling within the specified limits ensures optimal performance and avoids potential failure or damage.

Differences Between Stainless Steel Couplings and Aluminum or Carbon Steel Couplings

Stainless steel couplings, aluminum couplings, and carbon steel couplings are commonly used in various industrial applications, but they differ in their material properties, performance characteristics, and suitability for specific environments. Here are the key differences between these types of couplings:

1. Material Composition:

– Stainless Steel Couplings: Stainless steel couplings are made from alloyed steel containing a minimum of 10.5% chromium. This chromium content creates a passive oxide layer that provides excellent corrosion resistance.

– Aluminum Couplings: Aluminum couplings are made from aluminum, a lightweight metal known for its high strength-to-weight ratio. Aluminum offers good corrosion resistance but is not as resistant as stainless steel.

– Carbon Steel Couplings: Carbon steel couplings are made from plain carbon steel, which has a higher carbon content. While carbon steel offers good strength and toughness, it is more susceptible to corrosion than stainless steel or aluminum.

2. Corrosion Resistance:

– Stainless Steel Couplings: Stainless steel couplings offer the highest level of corrosion resistance among the three materials. They are well-suited for use in corrosive environments, such as marine applications or food processing, where protection against rust and chemical exposure is essential.

– Aluminum Couplings: Aluminum couplings provide moderate corrosion resistance, but they are not recommended for highly corrosive environments or applications with exposure to acidic or alkaline substances.

– Carbon Steel Couplings: Carbon steel couplings have the lowest corrosion resistance of the three materials and may require additional coatings or treatments to protect against rust and corrosion.

3. Strength and Durability:

– Stainless Steel Couplings: Stainless steel couplings offer excellent strength and durability, making them suitable for heavy-duty applications and environments with high mechanical loads.

– Aluminum Couplings: Aluminum couplings are lightweight and have good strength but may not be as durable as stainless steel or carbon steel couplings.

– Carbon Steel Couplings: Carbon steel couplings provide good strength and toughness, but they may not be as durable as stainless steel couplings in corrosive environments.

4. Weight:

– Stainless Steel Couplings: Stainless steel couplings are heavier than aluminum couplings but comparable to or slightly lighter than carbon steel couplings.

– Aluminum Couplings: Aluminum couplings are the lightest among the three materials, making them suitable for applications where weight reduction is a priority.

– Carbon Steel Couplings: Carbon steel couplings are heavier than aluminum couplings but offer higher strength and load-bearing capacity.

5. Temperature Tolerance:

– Stainless Steel Couplings: Stainless steel couplings can withstand a wide range of temperatures, making them suitable for both high-temperature and cryogenic applications.

– Aluminum Couplings: Aluminum couplings have good thermal conductivity but may not be suitable for extremely high-temperature applications.

– Carbon Steel Couplings: Carbon steel couplings have good temperature tolerance but may be limited in extremely high-temperature or cryogenic environments.

The choice of coupling material depends on the specific requirements of the application, such as the operating environment, load capacity, and corrosion resistance needed. Stainless steel couplings are often preferred for applications where corrosion resistance and durability are paramount, while aluminum couplings are chosen for their lightweight properties. Carbon steel couplings find use in applications requiring good strength and moderate corrosion resistance.

Proper Installation of Stainless Steel Couplings for Optimal Performance

Installing a stainless steel coupling correctly is essential for ensuring its optimal performance and longevity. Follow these steps for proper installation:

1. Inspect the Coupling: Before installation, carefully inspect the coupling and its components for any damage or defects. Ensure that it matches the required specifications for the application.
2. Prepare the Shafts: Clean and degrease the shafts to ensure a clean surface for coupling attachment. Remove any debris or contaminants that could affect the coupling’s performance.
3. Align the Shafts: Make sure the shafts are properly aligned to minimize misalignment, which can cause stress on the coupling and lead to premature failure. Use alignment tools to achieve precise alignment.
4. Apply Lubrication: Apply a thin layer of appropriate lubricant to the mating surfaces of the coupling halves and the shafts. This will reduce friction during installation and future operation.
5. Assemble the Coupling: Carefully position the coupling halves onto the shafts, ensuring that they are fully engaged and aligned. Follow the manufacturer’s instructions for assembly, including torque specifications for clamping screws.
6. Tighten Clamping Screws: Gradually tighten the clamping screws in a criss-cross pattern to ensure even pressure distribution. Use a torque wrench to achieve the recommended torque value specified by the manufacturer.
7. Check Runout: After installation, check for any runout or eccentricity by rotating the coupling and observing any visible movement or vibration. Address any runout issues promptly.
8. Perform a Trial Run: Before putting the coupling into full operation, perform a trial run to ensure smooth operation and check for any signs of abnormal behavior or noise.
9. Regular Inspections: Implement a maintenance schedule to regularly inspect the coupling for wear, corrosion, or misalignment. Address any issues promptly to prevent further damage.

Properly installing a stainless steel coupling according to these guidelines will help maximize its performance, reliability, and service life in the mechanical system.

editor by CX 2023-08-15