Butterfly Pectoral Machine Manufacturer in China
Built by athletes, for athletes.
Built tough to handle every strength training.
Built with precise movement angles since 1997.
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Certified by Global Standards
Backed by CE, TÜV, and ISO certifications so you can buy with full confidence in safety and performance.
DESIGNED By ATHLETES,
FOR ATHLETES
At YR Fitness, Design Transcends Aesthetics.
It’s About Functionality.
Simple, But Significant.
Only True Feedback Counts
Quality Standard of YR Fitness
That’s why we are confident to compete with big brand quality, but at 1/5 price.
Built with Strength: 3.0mm Solid Steel Pipes
We use thick 3.0mm+ Q235 steel pipes for every part of the machine — whether it’s the frame or the training area, no matter the size. With added reinforcement bends, our machines stay strong and steady. No shaking, just solid power.
This is How We Make Your Gym Equipment
Over 20 years, YR Fitness has put $8M into tech—just to bring you better machines.
100% Original Design Since 1997
Because Great Design Makes Great Machines.
Pulley Output Ratio
Leveraging the power of physics, we’ve tailored our pulley output ratio for optimal training. Take our butterfly machines: a 2:1 ratio means a 70kg weight selection delivers a 35kg training load. This higher ratio enhances your workout and saves on weight plate costs.
Compare Our Key Series
73 Series
Heavy-Duty Frame
Pro-Level Movement
High-End Line
61A Series
Durable
Affordable
Best-Selling
C4 Series
Modern Look
Upgraded Fusion
More Features
Quick Comparison At A Glance
Feature | 73 Tough Series | 61A Racing Series | C4 Revival Series |
|---|---|---|---|
Launch Year | 2008 | 2016 | 2025 |
Design Focus | High-end performance and biomechanics | Space-saving, budget-friendly, market-driven | Combines 61A’s simplicity with 73’s advanced features |
Frame Tubing | 75×130×3.0 mm (main) + 58×101×3.0 mm (functional) | 75×118×3.0 mm (main) + 50×120 / 40×80 / 50×100 mm | 150×50×3.0 mm (main) + 50×120 / 40×80 / 50×100 mm |
Aesthetic Design | Parabolic, bold, aluminum accents | Compact and practical | Stylish, modern, fits younger gym aesthetics |
Durability Level | Heavy-duty, custom-engineered components | Very durable, many still running after 20+ years | Same durability level with upgraded styling and adjustability |
Movement Types | Independent converging/diverging paths | Standard movement paths | Includes both standard and independent paths (split models) |
Adjustability | Basic adjustability | Standard user adjustability | Advanced: rotating handles, adjustable pads, backrests, etc. |
Innovation Level | First of its kind globally in 2008 | Refined through years of customer feedback | Integrated innovation from both series + unique new machines |
Series Size | 62 models | 62 models | 74 models (still expanding) |
Target Buyer | High-end gyms, serious training centers | Budget-conscious gyms, franchise chains | Gyms that want both performance and style |
Pricing | Premium | Most affordable | Mid-range, with excellent feature-to-price ratio |
Production Method | Partially handmade due to complex design | Fully industrialized | Industrial production with some specialty detailing |
After-Sales Service | Lifetime support | Lifetime support | Lifetime support |
Let’s Talk
Blake Fisher
Gym Owner from Malaysia
Our members love using this. Super strong with top engineering. Great quality at an affordable price. Smooth to operate, can handle big weights and hits the target muscle. We are very satisfied for these gym machines! We plan on opening another gym once the virus is over.
Jay Dang
Gym Owner from Australia
Commercial quality. Well made. I feel it is just as good as the other top brand benches we have at our club eg Technogym, Matrix etc, but is so much more affordable. All of my order arrived on time and the sales manager was awesome to communicate with. Highly recommend!!!
Steve
Gym Owner from USA
The Quality is very nice, I really like them. All my clients are happy with my new equipment. I will work hard to promote them in Poland.
Allan
Distributor from Poland
Butterfly Pectoral Machine – Definitive FAQ Guide
1. What is the nature of a butterfly pectoral machine?
A butterfly pectoral machine is a strength machine designed to train the chest muscles in a guided, stable movement.
It is a seated machine where the user brings two arms or pads together in front of the body. The main goal is to isolate the chest muscles while giving support to the shoulders and back. For a commercial gym, this machine helps beginners and experienced members train chest in a safe, controlled way.
At YR Fitness, we design butterfly exercise machines as commercial-grade equipment for gyms and distributors, using heavy-duty frames and ergonomic movement paths that can handle long-term high-traffic use.
3. What are the types of butterfly pectoral machines?
Butterfly pectoral machines mainly come in two types: selectorized weight stack and plate-loaded versions.
Selectorized machines use a built-in weight stack and a pin. They are fast to adjust and are common in commercial gyms because members can change weight in seconds. Plate-loaded machines use weight plates that the user loads on pegs. They often allow higher maximum loads and appeal to strength-focused users.
We at YR Fitness focus on commercial-grade strength machines, including chest and fly units designed for heavy club use, with larger stacks, stronger frames, and thicker padding than home-use gear. When you plan a new gym or upgrade old models, you can choose the butterfly machine type that fits your member profile and budget within our commercial product lines.
5. What are the important features of a butterfly pectoral machine?
Key features include a strong commercial frame, smooth movement, adjustable seat, and comfortable padding that can handle heavy daily use.
For a commercial gym, the frame should be made from heavy-gauge steel with stable welds, so the machine does not rock under load. The motion should feel smooth through the full arc, with quality bearings or bushings and well-aligned arms or cams. An adjustable seat is important so users of different heights can line the handles up with mid-chest level.
We at YR Fitness manufacture only for commercial use, so our strength machines use heavier frames, larger stacks, and thicker padding than typical home-use products, built to withstand long-term abusive use in busy gyms. This lets gym owners and distributors offer chest equipment that balances durability, member comfort, and cost-effectiveness.
7. How to shift between pec-fly / rear-delt, on a combo butterfly pectoral machine?
On most combo units, users shift from pec-fly to rear-delt by changing the arm position and seat or body facing direction, following the machine’s labels.
In pec-fly mode, the user usually sits facing the weight stack, with the chest on the back pad and hands on the handles or pads. To change to rear-delt, the user often turns around or adjusts the arms backward, so they start from behind the body and pull outward or backward. Good commercial machines mark these positions clearly so your staff spend less time explaining.
At YR Fitness, we focus on clear adjustment points and simple user guidance, because our main buyers are gym owners and distributors who need machines that “explain themselves” to first-time members. When you choose a pec-fly / rear-delt combo from us, you get commercial equipment designed to be used by a wide range of users, from beginners to advanced, with settings that adjust to their needs.
9. What are the advantages of a butterfly pectoral machine?
A butterfly pectoral machine gives a guided, isolation chest exercise that is beginner-friendly, joint-friendly, and easy to manage in a busy commercial gym.
Because the path is fixed, members do not need perfect free-weight technique to hit the chest. The machine supports the back and guides the shoulders, which reduces the risk of bad form. This is useful for new members, older adults, and anyone training around minor joint issues. For gym owners, it is also easy to coach: a few simple cues are enough for most users.
As a commercial manufacturer, we at YR Fitness build machines to withstand long-term abusive use while still feeling smooth and solid for each rep. Our commercial lines use heavier frames, thicker padding, and higher-grade materials than typical home equipment, which means fewer complaints and longer service life in your facility.
11. What should you look for in a butterfly pectoral machine before placing your order?
You should look for a strong commercial frame, smooth movement, good adjustability, and a reliable supplier that understands commercial gym use.
For a busy gym, the machine must be commercial-grade, not home-use. That means heavy-duty steel, stable welds, and thick padding that can handle many users each day. Check that the movement feels smooth, the seat and arms adjust for different heights, and the machine is clearly labeled so members can understand it fast.
At YR Fitness, we manufacture only for commercial use and design our machines to withstand long-term heavy traffic, not occasional home training. Our positioning is to offer high-quality commercial equipment that can compete with big international brands, but at a more cost-effective level for gym owners and distributors.
13. Is a butterfly pectoral machine beginner-friendly?
Yes, a butterfly pectoral machine is beginner-friendly because it guides the movement and supports the body.
Beginners often struggle with balance, shoulder position, and range of motion when they use free weights. On a butterfly pectoral machine, they sit down, set the weight, and move the arms on a fixed path. This reduces the risk of bad technique and helps them feel the chest working without worrying about dropping weights.
At YR Fitness, we design commercial equipment to be used by a wide range of users, from beginners to advanced athletes, with settings that allow them to adjust the machine to their needs. Our chest and fly machines are built to give a professional movement angle but still feel simple to understand for first-time users.
If your gym has many new members or you run intro programs, our team can help you choose butterfly pectoral machines that are easy to coach and fit well with your onboarding process.
15. What is the maximum user weight for this butterfly pectoral machine?
The maximum user weight depends on the specific model, but commercial butterfly pectoral machines are normally designed to handle heavy users safely.
Every manufacturer sets a rated user weight based on frame design, materials, and testing. For serious commercial equipment, this is usually much higher than typical home-use machines, so it can support a wide range of members, including heavier lifters. When you compare models, you should ask for the official user-weight rating and confirm it is suitable for your client base.
We at YR Fitness position ourselves as a professional commercial gym equipment manufacturer, not a home-use brand, so our frames and structures are built to commercial standards and tested to meet ISO20957. Our goal is to offer heavy-duty equipment that can bear long-term abusive use in busy gyms while keeping members safe.
If maximum user weight is a key concern for your project, you can check each model’s technical sheet with our team before placing your order, so you know it matches your membership profile.
17. What is the warranty coverage for the butterfly pectoral machine?
Warranty coverage for a butterfly pectoral machine varies by model and region, but a serious commercial supplier will offer clear, reliable after-sales support.
Exact warranty terms (years on frame, parts, upholstery, etc.) depend on the product line and country, so these details should always be checked with the sales team before you place your order. What matters for gym owners is not only the number of years on paper, but also whether the company is known for responding quickly and solving problems when something happens.
We at YR Fitness put a lot of focus on assured after-sales service and support before and after the sale, so distributors and gym owners are not left alone once the machines arrive. Our goal is to remove your worries on bulk orders, with reliable delivery and quick responses when you need help.
19. Are spare parts for the butterfly pectoral machine easy to get?
Spare parts should be easy to get from a professional commercial manufacturer, especially for high-wear items like cables, pulleys, and pads.
For gym owners and distributors, reliable parts supply is important to keep machines running and protect your investment. Before ordering, it is wise to confirm how the brand handles replacement parts, typical lead times, and whether they stock common items for their main product lines.
We at YR Fitness position ourselves as a long-term commercial partner, not a one-time seller, and we support our clients whenever they need help, including after-sales and parts needs. Our assured after-sales service is designed to remove worries on bulk orders and help you run your gym or distribution business smoothly.
21. How long is the lead time for production and delivery of the butterfly pectoral machine?
Lead time depends on your order quantity and shipping plan, but a professional commercial supplier should give you a clear, reliable schedule before you confirm the order.
For a single butterfly pectoral machine or a mixed small order, production is usually faster than for a full club package or container order. Shipping time will also change based on your country, port, and whether you are using the sea or other methods. As a gym owner or distributor, the key is to get a written lead-time estimate that covers both production and logistics, and to work with a supplier known for on-time delivery.
At YR Fitness, we focus on reliable delivery and long-term B2B cooperation, not one-time sales. Our logistics-experienced sales team helps you handle transportation and aims to deliver 90% of orders on time or even in advance. If you share your butterfly pectoral machine quantity and destination with us, we can give you a more accurate lead-time range before you place the order.
23. Is assembly and installation included with the butterfly pectoral machine?
Assembly and installation depend on your order terms, but commercial machines like a butterfly pectoral unit usually arrive partly assembled with clear instructions for on-site setup.
Exported strength machines are often shipped in a semi-assembled state to save space and protect key parts during transport. Final assembly is then done by your own team, local installers, or a service partner. For larger projects, some suppliers can help arrange local installation support, while for smaller orders you may handle assembly yourself.
At YR Fitness, our experienced sales staff helps you handle not only logistics but also practical details like packing, unloading, and setup guidance, so the process is easier even if it is your first time importing gym equipment. We aim to remove worries on bulk orders by offering shipping help, reliable delivery, and assured after-sales support for our commercial equipment, including butterfly pectoral machines.
2. How does a butterfly pectoral machine work?
A butterfly pectoral machine works by guiding your arms through a fixed arc so the chest muscles do most of the work in a safe and controlled way.
The user sits down, adjusts the seat height, and holds the handles or pads. As the arms move inward, the pectoral muscles contract and lift the weight. When the arms return to the starting position, the machine controls the path, so the shoulders stay supported and the movement stays stable.
At YR Fitness, we design our butterfly pectoral machines with movement angles created by our in-house expert who has both engineering and athletic backgrounds, ensuring the motion feels smooth and natural for most users. Our commercial-grade frames and ergonomic design also help maintain joint safety, making the machine suitable for gyms that handle many first-time or general population members.
4. Is the pec-fly / pec-deck version of a butterfly pectoral machine the same thing?
In most commercial gyms, “pec-fly,” “pec-deck,” and “butterfly pectoral machine” all refer to the same basic chest fly machine.
These names describe the same training idea: a seated fly movement that brings the arms together in front of the chest. Design details may change, such as whether the user holds handles or rests the forearms on pads.
However, the main purpose stays the same, which is to isolate the pectoral muscles through a guided arc.
At YR Fitness, we build commercial chest fly machines with angles designed by professionals so the load feels natural and safe across the range of motion. When you compare “pec-deck” and “butterfly” models from different brands, you can use our movement design and specs as a reference point to judge comfort and quality.
6. What are the properties of a pec-fly / rear-delt, butterfly pectoral machine?
A pec-fly / rear-delt butterfly machine lets members train both chest and rear shoulders on one commercial-grade unit, using a guided, joint-friendly path.
This combo machine usually has rotating or adjustable arms so the user can switch between chest fly and rear-delt movements. In pec-fly mode, the arms move forward to train the chest. In rear-delt mode, the user faces the other way and pulls the arms back to hit the rear shoulders and upper back.
We at YR Fitness design all our commercial strength machines, including combo units, for heavy traffic in real gyms, not home use. That means heavier frames, thicker padding, and a movement angle planned by our in-house designer, who has both engineering and athlete experience.
If you want one machine that covers both chest fly and rear-delt work, you can look at our commercial selectorized lines on yanrefitness.com and match them to your member profile.
8. What is the function of a CAM in a butterfly pectoral machine?
The CAM in a butterfly pectoral machine shapes the resistance curve so the exercise feels smoother and more natural across the full range of motion.
Instead of a simple round pulley, a CAM has a special shape. As the user moves, the CAM changes the leverage at different angles. This helps match resistance to the strength curve of the chest and shoulder muscles, so the load does not feel too heavy at weak points or too light at strong points.
For members, this means a smoother, safer feeling rep and better training effect.
We at YR Fitness put a lot of focus on professional movement angles and mechanical design, so the load feels right where it matters, not just “heavy.” Our founder combines knowledge of ergonomics, mechanical principles, and kinematics with real high-level sports experience, which helps us design CAMs and motion paths recognized by pro-level trainers.
10. Is it possible to upgrade the weight stack of a butterfly pectoral machine?
In many commercial models, the weight stack can be upgraded, but this depends on the machine’s frame design and manufacturer options.
Some butterfly pectoral machines are built with extra space on the guide rods so you can add more plates later. Others come with fixed stacks that cannot be safely increased without changing key parts. Before you plan an upgrade, you need to confirm the maximum safe stack weight the frame and pulleys were designed for. Doing this without factory support can create safety risks and may void the warranty.
We at YR Fitness design our commercial machines around specific commercial-grade load standards and safety norms like ISO20957, so frame size, stack size, and cable routing are matched to each other. If you expect many advanced or strength-focused users, it is better to tell our sales team your needs at the ordering stage so we can recommend a suitable stack size or model, instead of modifying the stack later.
12. Is a butterfly pectoral machine better than free weights (dumbbells, barbells, etc.)?
A butterfly pectoral machine is not “better” overall than free weights, but it is better for guided, safe chest isolation, especially for many gym members.
Free weights give more variety and work more stabilizing muscles, but they also need more skill and coaching. A butterfly pectoral machine uses a fixed path, so it is easier for beginners and safer for people who are not confident with dumbbells or barbells. It isolates the chest, supports the back, and reduces the chance of bad form when members get tired.
We at YR Fitness focus on commercial machines that give a professional movement angle recognized by pro-level trainers, so they fit well into mixed setups with racks and free weights. For distributors and gym owners, our role is to help you build a balanced floor plan where a butterfly pectoral machine supports beginners while your free-weight area serves advanced lifters.
14. How much floor space do I need for a butterfly pectoral machine?
Most gyms should plan roughly a 2 m × 2 m area for one butterfly pectoral machine, including space for users to get in and out safely.
The exact footprint depends on the model, but many commercial butterfly machines need around 1.3–1.7 m in both length and width. You also need clearance around the machine so members can move, adjust the seat, and staff can clean and inspect it. Do not push the machine too close to benches or walkways where people carry dumbbells, as this can create crowding and safety issues.
We at YR Fitness design our commercial equipment for real gym floors, not just catalogs, so we pay attention to size, access, and how machines line up in rows. If you send us your floor plan, our sales team can help you estimate how many chest machines you can fit and how to place the butterfly pectoral machine alongside other strength units.
16. How durable is the frame and upholstery of the butterfly pectoral machine?
On a true commercial butterfly pectoral machine, the frame and upholstery are built to handle long-term heavy use in busy gyms, not just light home training.
For gym owners, the key is that the machine is commercial-grade, with a heavy-gauge steel frame, strong welds, and thick padding that resists tearing and sagging. Commercial equipment is designed to withstand high traffic for many years, with larger frames, thicker padding, and better materials than home-use products.
At YR Fitness, we focus only on commercial equipment and use solid materials plus advanced production processes so our machines can bear long-term abusive use in real clubs. Some commercial gyms have been using our products for up to eight years, which shows the durability level we aim for.
18. How often does the butterfly pectoral machine need maintenance?
A butterfly pectoral machine should have light daily checks and cleaning, plus regular deeper inspections based on your gym’s usage level.
Daily or weekly, staff should wipe pads, check visible bolts, and test the motion to make sure everything feels smooth and safe. Deeper maintenance, such as checking cables, pulleys, and moving parts, can be done on a set schedule depending on how busy your club is.
Because YR Fitness equipment is designed for commercial facilities and high traffic, we build our frames and structures to be robust enough that routine maintenance is simple rather than constant repair. Our sales team can also share maintenance suggestions for different usage levels (studio, standard gym, or large chain), so you can plan a realistic schedule for your butterfly pectoral machines.
20. Does the butterfly pectoral machine meet any safety or quality certifications?
A commercial butterfly pectoral machine should meet recognized safety and quality standards, such as ISO certifications for gym equipment.
Certifications show that the machine’s design, materials, and production process meet specific safety and performance requirements. For gym owners and distributors, this means more confidence that the equipment is safe for members and suitable for professional use, not just home training.
We at YR Fitness design and manufacture our commercial equipment to meet the ISO20957 standard and hold more than 40 patents and certificates related to product design and quality. Our products have also received awards for excellence in product quality, which is difficult for most enterprises to achieve.
When you choose a butterfly pectoral machine from us, you can be confident it is built to recognized commercial standards and can compete with high-end big brands on quality.
22. Can I add my gym or brand logo to the butterfly pectoral machine?
Yes, most commercial manufacturers can add your gym or brand logo on the machine, but the options depend on the model and order quantity.
Logo customization is usually done on frame stickers, shrouds, or upholstery patches. For distributors and chains, this is a good way to build brand identity and make the equipment look unified across branches. There may be minimum order quantities or extra costs for custom colors and logos, so it is important to confirm this during the quotation stage, not after production has started.
We at YR Fitness mainly serve gym owners and distributors who often need branded equipment and a consistent image across their facilities. Because we manufacture commercial-grade equipment under our own brand, we are familiar with OEM and branding needs and can discuss logo options for your butterfly pectoral machines as part of the project plan.
