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Hytrel GS GR Type Oil-Resistant Spider Insert – Low Maintenance, High Durability for Curved Jaw Couplings
Model Number
Check below, custom
GS-7
GS-14
GS-19
GS-24
GS-28
GS-38
GS-42
GS-48
GS-55
GS-65
- Phone : +86 13431039760
- Wechat : +86 13431039760
- Whatsapp : +86 13431039760
- Email : ella@apexcoupling.com
Product Description
Hytrel GS Type Oil-Resistant Spider Insert – Low Maintenance, High Durability for Curved Jaw Couplings
Factory direct | DuPont™ Hytrel® polyester elastomer | Oil-resistant | 3-5x longer life than standard polyurethane | -51°C to +121°C operating range | 2.5x torque capacity of Buna-N | Low maintenance | OEM/ODM/OBM | All standard sizes available | Samples available
The Apexcoupling Hytrel GS Type Spider Insert is a premium elastomeric replacement element designed for curved jaw couplings (GS series). Manufactured from DuPont™ Hytrel® thermoplastic polyester elastomer, this spider insert delivers exceptional mechanical strength, abrasion resistance, heat resistance, and oil/chemical resistance – outperforming standard polyurethane spiders by 3 to 5 times in service life. The GS series design features a straight center of the spider tooth, providing higher stiffness due to coupling prestress, while the crowning of the spider legs allows for misalignment compensation. With a wide operating temperature range of -60°F to 250°F (-51°C to 121°C) and 2.5 times greater torque capability than Buna-N, this spider is the ideal choice for demanding applications including compressors, pumps, conveyors, mixers, and air compressors.
✅ Specifically designed for air compressors – excellent oil resistance, high temperature tolerance, and long service life.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Brand | Apexcoupling |
| Material | DuPont™ Hytrel® (thermoplastic polyester elastomer) |
| Type | GS Series – Standard Curved Jaw Coupling Spider |
| Features | High hardness, wear-resistant, oil-resistant, heat-resistant |
| Operating Temperature Range | -60°F to 250°F (-51°C to 121°C) |
| Torque Capacity | 2.5x greater than Buna-N (NBR) |
| Service Life | 3-5x longer than standard polyurethane |
| Chemical Resistance | Excellent resistance to oil, chemicals, and abrasion |
| Misalignment Compensation | Angular (up to 0.5°), parallel (up to 0.4mm) |
| Backlash | Zero (with coupling prestress) |
| Maintenance | None required – no lubrication |
| Shore Hardness | Multiple options available (80A, 92A, 95/98A, 64D) |
| Color | Green (64D) / Yellow (92A) / Red (98A) / Blue (80A) |
| Customized support | OEM, ODM, OBM |
| Applicable Industries | Building material shops, manufacturing plants, machinery repair shops, construction works, compressors, pumps, conveyors, mixers, air compressors |
| Samples | Available |
| Warranty | 1 Year |
| Place of Origin | Guangdong, China |
🔧 All standard sizes available (GS14 to GS55 and beyond). Custom spider materials and shore hardnesses available. Contact us with your specifications.
GS Series Spider – Model & Size Availability
| Spider Size | Compatible Coupling Sizes | Typical Applications |
|---|---|---|
| GS14 | GS14 couplings | Light-duty, measuring systems |
| GS19 | GS19 couplings | Light to medium-duty |
| GS24 | GS24 couplings | Medium-duty |
| GS28 | GS28 couplings | Medium to heavy-duty |
| GS38 | GS38 couplings | Heavy-duty |
| GS42 | GS42 couplings | Heavy-duty |
| GS48 | GS48 couplings | Heavy-duty, high torque |
| GS55 | GS55 couplings | Heavy-duty, high torque |
📐 Standard bore sizes range from 18mm to 121mm. Contact us for specific size availability.
Product Features & Advantages
| Advantage | Benefit |
|---|---|
| DuPont™ Hytrel® Material | Premium thermoplastic polyester elastomer – superior mechanical strength, abrasion resistance, and heat resistance |
| 3-5x Longer Service Life | Outperforms standard polyurethane spiders – reduces replacement frequency and downtime |
| Oil & Chemical Resistant | Excellent resistance to oils, chemicals, and abrasion – ideal for harsh environments |
| Wide Temperature Range | -60°F to 250°F (-51°C to 121°C) – suitable for extreme operating conditions |
| 2.5x Torque Capacity | Greater torque capability than Buna-N (NBR) – handles demanding drives |
| Zero Backlash | Straight center tooth design provides higher stiffness due to coupling prestress – precision positioning |
| Misalignment Compensation | Crowned spider legs allow for angular and parallel misalignment – protects bearings and seals |
| Low Maintenance | No lubrication or maintenance required – reduces operating costs |
| Fail-Safe Design | Coupling continues to transmit power even if spider fails – minimizes downtime |
| Multiple Hardness Options | 80A, 92A, 95/98A, and 64D shore – match your torque and damping requirements |
| All Standard Sizes | GS14 to GS55 and beyond – compatible with standard curved jaw couplings |
| OEM Customization | Custom materials, shore hardnesses, and sizes available |
Hytrel vs Polyurethane – Performance Comparison
| Feature | Hytrel (DuPont™) | Standard Polyurethane (98 Shore A) |
|---|---|---|
| Service Life | 3-5x longer | Standard |
| Torque Capacity | 2.5x greater than NBR | Good |
| Temperature Range | -51°C to 121°C | -34°C to 71°C |
| Oil Resistance | Excellent | Good |
| Chemical Resistance | Excellent | Good |
| Heat Resistance | Excellent – up to 250°F | Limited – up to 160°F |
| Abrasion Resistance | Superior | Good |
| Vibration Damping | Fair | Good |
✅ Hytrel is the clear winner for demanding applications – higher torque, wider temperature range, superior oil/chemical resistance, and significantly longer service life.
Applications
Air Compressors – Specifically designed for compressor applications – oil-resistant, high temperature tolerance
Pumps – Centrifugal, gear, and diaphragm pumps
Conveyors – Material handling systems
Mixers – Industrial mixing equipment
Fans & Blowers – Ventilation systems
Compressors – Air and gas compressors
Machine Tools – Main spindle drives
Servo & Positioning Drives – Zero backlash, flexible connection
Measuring & Control Systems – Precision applications
Textile Machinery – High-speed drives
Printing Equipment – Register control
Why Choose Apex Coupling for Hytrel GS Spider Inserts?
| Advantage | Description |
|---|---|
| Factory Direct | Competitive B2B pricing – no middlemen |
| Premium DuPont™ Hytrel® | Genuine Hytrel material – superior performance and durability |
| 3-5x Longer Life | Outperforms standard polyurethane – reduces downtime |
| Wide Temperature Range | -51°C to 121°C – suitable for extreme conditions |
| Oil & Chemical Resistant | Excellent resistance – ideal for harsh environments |
| All Standard Sizes | GS14 to GS55 – compatible with standard couplings |
| Samples Available | Test before bulk order |
| OEM Customization | Custom materials, shore hardnesses, and sizes |
| RoHS, ISO9001 & BV Certified | Quality assured for international buyers |
FAQ
Q: What is a GS type spider insert?
A: A GS type spider insert is an elastomeric replacement element for curved jaw couplings (GS series). It fits between the two jaw hubs, transmitting torque while absorbing shock, dampening vibration, and compensating for misalignment.
Q: What is Hytrel material?
A: Hytrel® is a thermoplastic polyester elastomer manufactured by DuPont™. It offers a unique combination of strength, flexibility, and resistance to heat and chemicals – making it ideal for demanding coupling applications.
Q: How much longer does Hytrel last compared to polyurethane?
A: Hytrel spiders provide 3 to 5 times longer service life than standard polyurethane spiders – reducing replacement frequency and downtime.
Q: What is the operating temperature range?
A: Hytrel spiders operate in temperatures from -60°F to 250°F (-51°C to 121°C).
Q: Is the spider oil-resistant?
A: Yes. Hytrel offers excellent resistance to oil, chemicals, and abrasion – making it ideal for compressors, pumps, and other oil-exposed applications.
Q: What torque capacity does Hytrel provide?
A: Hytrel spiders provide 2.5 times greater torque capability than Buna-N (NBR) spiders.
Q: Does the spider require lubrication?
A: No. Hytrel spiders are maintenance-free – no lubrication required.
Q: What shore hardness options are available?
A: The GS series offers four different shore hardnesses: 80A (blue), 92A (yellow), 95/98A (red), and 64D (green) – each offering benefits for different vibratory, environmental, and torque transmission requirements.
Q: What sizes are available?
A: Standard sizes range from GS14 to GS55 and beyond. Custom sizes available on request.
Q: Can I get a sample?
A: Yes. Samples are available – please contact us to arrange.
Request a Quote
Send us your coupling size (e.g., GS14, GS28, GS48), shore hardness preference, and application details. Our engineers will recommend the optimal spider and provide a quotation within 24 hours.
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Hytrel spider insert
