Product Description
PRODUCT
Stainless steel and carbon steel thread pipe nipples. Welding nipple, barrel nipple, close nipple, merchant coupling, welding coupling, kc nipple, hose nipple and so on. Natural surface, sandblasting, galvanized (hot dip galvanized, cold/electrical galvanize) or polishing finished. BSPP, BSPT, NPT, DIN thread, male and female thread. All materials, Stainless steel 201, Stainless steel 304, Stainless steel 316/316l, carbon steel, weld and seamless pipe. All thickness, sch10, sch20, sch40, sch80, sch160, XH, XXH and so on, pressure 150lb and 3000psi.
|
Description |
Thread |
Surface |
Material |
Thickness |
|
Welding nipple, barrel nipple, close nipple, merchant coupling, welding coupling, kc nipple, hose nipple |
BSPP, BSPT, NPT, DIN thread, male and female thread |
Natural surface, sandblasting, galvanized (hot dip galvanized, cold/electrical galvanize) or polishing finished. |
Stainless steel 201, Stainless steel 304, Stainless steel 316/316l, carbon steel, weld and seamless |
thickness, sch10, sch20, sch40, sch80, sch160, XH, XXH and so on, pressure 150lb and 3000psi. |
FAQ
Q: Are you trading company or manufacturer ?
A: We are manufacture.
Q: What’s your MOQ ?
A: MOQ is 1000 usually. But MOQ of each product is different.
Q: Can I get a sample for testing ?
A: Yes, we can provide you a sample for reference, but you may pay for the sample and shipping fee.
Q: Can you provide OEM/ODM service?
A: Sure, we are ready to meet all your demands!
Q: Can I print my logo on the products ?
A: Yes, we can print your logo on the products as you required.
Q: What’s the lead time?
A: It will be 1-5 days for sample and 2-12 days for bulk order, it depends on your required.
Q: What’s the payment term?
A: We accept T/T, western union, L/C and Trade Assurance. For bulk order by T/T and Western Union, we will require 30% deposit first and 70% balance before delivery.
How Does a Rigid Coupling Protect Connected Equipment from Shock Loads and Vibrations?
Rigid couplings play a crucial role in protecting connected equipment from shock loads and vibrations by providing a direct and rigid connection between the shafts. The design and properties of rigid couplings contribute to their ability to mitigate the impact of shock loads and vibrations in the following ways:
– High Stiffness: Rigid couplings are constructed from materials with high stiffness, such as steel or aluminum. This high stiffness allows them to resist deformation and bending under load, ensuring that the coupling remains stable and maintains its shape. As a result, the shock loads and vibrations are not amplified or transferred to the connected equipment.
– Immediate Torque Transmission: Rigid couplings provide immediate torque transmission between the shafts without any backlash or play. When the connected machinery experiences a sudden shock load, the rigid coupling effectively transfers the torque to the other side of the coupling without delay. This rapid and precise torque transfer prevents the shock load from causing misalignment or damaging the equipment.
– Elimination of Damping: Unlike flexible couplings, which can dampen vibrations to some extent, rigid couplings do not have any damping properties. While damping can be beneficial in certain applications, it can also allow vibrations to persist, potentially affecting the performance and reliability of the connected equipment. Rigid couplings do not introduce any additional damping, ensuring that the vibrations are not prolonged.
– Stable Connection: Rigid couplings create a stable and unyielding connection between the shafts, limiting any relative movement. This stability prevents the propagation of vibrations from one shaft to another, reducing the potential for resonance and vibration amplification.
– Minimal Maintenance: Rigid couplings require minimal maintenance due to their simple and durable design. Unlike flexible couplings that may have wear-prone elements, rigid couplings do not have parts that need regular replacement. This reliability and low maintenance contribute to their ability to provide continuous protection against shock loads and vibrations.
In applications where shock loads and vibrations are prevalent, using a rigid coupling can help protect critical machinery and components from damage and premature failure. By providing a rigid and immediate torque transmission, rigid couplings effectively isolate the connected equipment from the harmful effects of shock loads and vibrations, ensuring smooth operation and enhanced reliability.
What Industries Commonly Use Rigid Couplings for Power Transmission?
Rigid couplings are widely used in various industries for power transmission applications that require a solid and reliable connection between rotating shafts. Some of the industries that commonly utilize rigid couplings include:
- Manufacturing: In the manufacturing industry, rigid couplings are employed in a wide range of equipment, such as conveyors, mixers, pumps, compressors, and machine tools. These couplings ensure precise power transmission and alignment, making them ideal for maintaining accuracy in manufacturing processes.
- Material Handling: Material handling equipment, including cranes, hoists, and elevators, often rely on rigid couplings to transfer power between shafts efficiently. Rigid couplings provide a robust connection that can handle the heavy loads and continuous operation common in material handling applications.
- Automotive: The automotive industry employs rigid couplings in various automotive systems, including drive shafts, transmissions, and steering systems. Rigid couplings contribute to the overall performance and reliability of these components, ensuring smooth power transfer and minimizing vibration.
- Mining and Construction: In the mining and construction industries, rugged and durable power transmission components are crucial. Rigid couplings are used in equipment like crushers, mills, and heavy-duty conveyors, where they can withstand the harsh conditions and heavy loads commonly found in these applications.
- Oil and Gas: The oil and gas industry often utilizes rigid couplings in pumps, compressors, and drilling equipment. Rigid couplings offer consistent and dependable power transmission, which is essential for critical operations in this sector.
- Marine: In marine applications, such as ship propulsion systems and marine pumps, rigid couplings are used to transmit power between the ship’s engine and various equipment. They can handle the dynamic forces and vibrations encountered in marine environments.
- Aerospace: In aerospace applications, where precision and reliability are paramount, rigid couplings play a role in power transmission between various aircraft components.
Rigid couplings are chosen in these industries for their ability to maintain shaft alignment, resist misalignment, and provide a backlash-free connection. Their robust construction and simple design make them suitable for high torque and high-speed applications, where precision and efficiency are crucial.
Advantages of Using Rigid Couplings in Mechanical Systems:
Rigid couplings offer several advantages when used in mechanical systems. These advantages make them a preferred choice in certain applications where precise alignment and high torque transmission are essential. Here are the key advantages of using rigid couplings:
- 1. High Torque Transmission: Rigid couplings are designed to handle high torque and power transmission without any loss due to flexibility. They provide a direct and solid connection between shafts, allowing for efficient transfer of rotational motion.
- 2. Precise Alignment: Rigid couplings maintain precise alignment between connected shafts. When installed correctly, they ensure that the two shafts are perfectly aligned, which is crucial for applications where accurate positioning and synchronization are required.
- 3. Synchronous Rotation: The rigid connection provided by these couplings enables synchronous rotation of the connected shafts. This is particularly important in applications where components must move in precise coordination with each other.
- 4. Simple Design: Rigid couplings have a straightforward design with minimal moving parts. This simplicity makes them easy to install and maintain, reducing the chances of mechanical failure.
- 5. Cost-Effective: Compared to some other coupling types, rigid couplings are generally more cost-effective. Their simple design and robust construction contribute to their affordability.
- 6. High Strength and Durability: Rigid couplings are typically made from strong and durable materials such as steel, stainless steel, or aluminum. These materials can withstand heavy loads and provide long-lasting performance in demanding applications.
Rigid couplings are commonly used in various industries and applications, including high-precision machinery, robotics, automation systems, precision motion control, and machine tools. They are especially beneficial in scenarios where misalignment needs to be minimized or avoided altogether.
It’s important to note that while rigid couplings offer these advantages, they are not suitable for applications where shaft misalignment or shock absorption is required. In such cases, flexible couplings or other specialized coupling types may be more appropriate.
editor by CX 2023-11-16
Chinese wholesaler China in Bournemouth United Kingdom Factory Hydraulic Hose Two Piece Eaton Pipe Fittings Coupling with top quality
We – EPG Group the bigge EPT gearbox & motors , vee pulleys, timing pulleys, couplings and gears factory in China with 5 different branches. For more details: Mobile/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828
√1. Hot Products
One Piece Stainless Steel Hose Fittings
QC Hydraulics designs and manufactures stainless steel one piece style crimp hose fittings, which meet SAE & EPT Specs. One piece crimp fittings are easy to crimp on hydraulic hoses.
QC Hydraulics focus on super quality stainless steel materia EPT only, every batch of fittings with pulse experiments. We guarantee you will receive 100% quality fittings from QC Hydraulics.
QC Hydraulics is carrying 43, EPT & BW series crimp fittings that can be used for 1 ,2 wire hose and spiral hoses. More series crimp fittings are coming soon…
Stainless Steel Reusable Hose Fittings
QC Hydraulics stainless steel reusable hose fittings are an excellent choice for emergency repairs. Assembly can be accomplished with hand wrenches;
there is no crimper required. Properly assembled, a hose with reusable fittings will meet all applicable SAE specifications.
Stainless reusable hose fittings are vailable for SAE 100 R2 & SAE 100 R5 hoses. Of course, we can make a custom from customer’s drawings or samples.
Two Piece Stainless Steel Hose Fittings & Ferrules
QC Hydraulics two piece style hose fittings and ferrules are compatible with Eaton designs, which meet SAE, JS, BSP, DIN & ISO Specs. The ferrule used with two-piece fittings allows greater flexibility in hose selection and connection, including 1SN, 2SN and multi-spiral hoses which allow for multiple two-piece fitting and ferrule options to accommodate the specific application.
√2. Technical Support
QC Hydraulics engineering has the capacity to design drawings conform to SAE, BS, JIS, DIN & ISO specifications.
√3. Production Process
√4. Shipping
√5. Certificate
QC Hydraulics has been granted ISO 9001:2015 & S EPT certificates for processing stainless steel hydrualic hose fittings and adapters.
√6. Trade Fairs
QC Hydraulics attends trade fairs 2-3 times every year. For examples, Hannover Messe 2019…
√7. QC Hydraulics Team
√8. Company Introduction
1. Company Profile
HangZhou QC Hydraulics Co., Ltd was founded in 1999, and is an ISO 9001:2015 certified manufacturer of stainless steel hydraulic hose fittings & adapters.
Over the years, QC Hydraulics has grown into a leading manufacturer of stainless steel hydraulic fittings in the world. Over 95% hydraulic fittings exported to EPT countries & regions in the world.
QC Hydraulics is an approved supplier to several of the large EPT manufacturers of hydraulic fittings in the North America and Europe, and helping many of wholesalers & distributors grow lots of business of stainless steel hydraulic fittings in the world.
2. Company Strengths
QC Hydraulics as one of few manufacturers processing stainless steel hydraulic fittings only, all of our stainless fittings are manufactured to the highe EPT standards, meeting or exceeding SAE,DIN,ISO,BS,JIS and international specifications.
We control our own manufacturing, so if you’re in need of a custom solution the engineering team can help with anything from creating a drawing to developing a prototype. This also means controlled quality, as an ISO 9001:2015 certified company, QC Hydraulics adheres to the mo EPT stringent quality control practices, assuring exceptional products.
3. Plant Size
QC Hydraulics covers an area of 5,000 m² with two manufacuturing shops.50+ high precision CNC lathe machines that designed for processing stainless steel material only.
In addition, there are more 50+ necessary relevant corollary equipment. Such as, cutting machines, drilling machines,crimp machines, bending machines, inspection machines, pressure te EPT machines and etc…
4.Quality Assurance & Service
At QC Hydraulics, the design and durability of each fitting assure long-lasting service, even in strongly corrosive and abusive environments. To prove our superior quality, we back up every fitting with product traceability.When you find any poor quality fittings from QC Hydraulics, we guarantee we will 100% make a new replacement for free if you are able to provide the evidence of poor quality fittings.(Traceability code, photos, videos or original samples)
QC Hydraulics has exactly what your customers are looking for. Make QC Hydraulics the single source for all of your stainless steel hydraulic fittings and adapters.
Whether you have an emergency or an ongoing need, give us an email or a call. We deliver the fittings you want, along with the quality, service and competitive price you deserve.
√9. Why Choose Us?
√1. History:
QC Hydraulics is an ISO 9001:2015 certified manufacturer with over 20 year’s manufacturing experience, specializing in hydraulic hose fittings and adapters. We only focus stainless steel material, no carbon steel or brass.
√2. Quality Control Of Raw Material:
1. We only choose the highe EPT quality stainless steel raw material. And metal suppliers provide material te EPT certificates for each shipment.
2. We 100% measure the sizes of bar stock and forging blanks by callipers for each shipment.
3. We use the Portable XRF Analyser to te EPT the key chemical elements of bar stock and forging blanks with 10% for each shipment(Key chemical elements include Cr, Ni, Mo, these chemical elements are very important for the corrosion performance)
4. Besides, we randomly pick up several of cutting pieces to do further chemical analysis by spectrograph every 10 days to make sure the raw material 100% qualified.
√3. Quality Control Of Production Process:
1. We are using Sigma High-Precision CNC Lathe Machines to manufacture stainless steel hose fittings and adapters.
The features of CNC Lathe Machines:
1). Dual-axis, EPT system
2). Thread cutting tools: EPT Japan, vargus & carmex Israel(Have a very stable performance during machining)
2. We use callipers to measure the basic sizes. And we use the thread gages to inspect the threads.
3. We use Contracer & Contour Measuring Machines to inspect the very small angles and diameters.
√4. Inspection:
1. Fir EPT Article Inspection During Process
1).The operator make the fir EPT article according to manufacturing drawings.
2). The operator will inspect the fir EPT article and record. If the sizes and threads meet the manufacturing drawings, and then the fir EPT article will be put in a special box( the box is for fir EPT article only).
3). Workshop foreman will take second inspection for the fir EPT article.
4). Only passing the inspection by workshop foreman, and then start with mass production.
2. Mass Production After Fir EPT Article Inspection
1).After the fir EPT article approved by operator and workshop foreman, and then start with mass production.
2). During mass production, the operator needs to inspect the threads every 10 pieces, and measure the sizes every 15 pieces. Once any fittings of threads and dimensions out of the specs, all this batch of fittings will be inspected comple tel: +86~13 0571 88828y.
3). The qualified fittings will be fitly put in a plastic box piece by piece.
4). Finally, the finished fittings will be transported to inspection department for final inspection.
3. Final Inspection
1). Appearance: 100% inspection under strong light. No scratch, No burr.
2). Key sizes and angles: 15-20% randomly inspection by callipers and contracer. Once any sizes and angles of fittings out of specs or doesn’t respect to drawings, this batch of fittings will be forced to return back to production workshop to improve or make a new replacement.
3).Threads: 15-20% randomly inspection by right gages. Once any threads out of specs or doesn’t respect to drawings, this batch of fittings will be forced to return back to production workshop to improve or make a new replacement.
√5. After Service:
When clients have any complaints about our products, we will take a quick action.
We can 100% make a new replacement for free when the client has a complaint about our products.
√10. FAQ
Q: Are you trading company or manufacturer?
A: We are a 100% manufacturer, main products cover stainless steel hydraulic hose fittings and stainless steel hydraulic adapters.
Q: Do you have stock?
A: Currently we made to order, but we do have some stocks for common type raw materials. So we can make a quick action for some urgent orders.
Q: Do you have a MOQ request?
A: Normally our MOQ is 200 pieces. But for some bigger sizes, 50 or 100 pieces is also acceptable for the fir EPT order.
Q: How about your payment method?
A: 30% deposit in advance, the balance payment again EPT the copy of Bill of lading. Of course, I think everything is negotiable.
Q: What about your delivery time?
A: About 30-40 days for common orders. But it depends on the order volume. Of course, if you have an urgent order, we will try be EPT to meet you.
We – EPG Group the bigge EPT gearbox & motors , vee pulleys, timing pulleys, couplings and gears factory in China with 5 different branches. For more details: Mobile/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828
The use of original equipment manufacturer’s (OEM) part numbers or trademarks , e.g. CASE® and John Deere® are for reference purposes only and for indicating product use and compatibility. Our company and the listed replacement parts contained herein are not sponsored, approved, or manufactured by the OEM.
