INNOVATIVE STEM PACKING DESIGNS
![INNOVATIVE STEM PACKING DESIGNS](https://www.polymerconcepts.com/hubfs/Polymer_Concepts_Mar2022/images/Dual-Spring-Design-V-Spring-Stem-Pack-e115ea65.png)
HIGH TEMPERATURE & HIGH-PRESSURE DESIGNS:
Features:
- Provides moderate spring force versus deflection
- Various spring loads to meet friction and sealing requirements
- Available to fit in all Industrial, Aerospace, and Military gland sizes with sizes up to 48” diameter
- Proprietary Polycon fluoropolymer compounds with superior heat and wear properties
- Springs are available in 301 SS, 304 SS, 316 SS, 17-7PH SS, and Elgiloy®
Benefits:
- Compatible to caustic and corrosive chemicals
- Rapid gas decompression resistance
- Provides low friction and optimum sealing
- Long durability at extreme pressure, temperature, and harshest chemicals
- Design compliant with ISO 15848 Fugitive Emission Standards
DUAL SPRING AND BIDIRECTIONAL DESIGNS AVAILABLE
![DUAL SPRING AND BIDIRECTIONAL DESIGNS AVAILABLE](https://www.polymerconcepts.com/hubfs/Polymer_Concepts_Mar2022/images/Dual-Spring-and-Bi-Directional-Stem-Packing-Design-90-deg-cross-section-f62f0d06.png)
HIGH TEMP.
HIGH-PRESSURE SPEC.:
Gland Cross Sections: |
Custom sizes |
Operating Pressure |
Vacuum to 30,000 PSI and above |
Temperature Range |
-450° to 600°F |
Motion/Speed |
Slow to Medium |
Typical Applications:
- API and Industrial valves
- LOX Fuel Systems
- Aircraft Exhaust
- O2 Regulators
- Low Fugitive Emission Valves
- Launch Vehicles
- Gear Box Shaft Seals
- Aircraft Bleed Air HVAC system
- Furnace Fuel Valves
- Steel Mill Cylinders
- Nacelles
- Engine Pylons
- Subsea Christmas Trees
- Subsea Manifold System
- FPSO Turret Swivels
- Pumps and Compressors
![HIGH-PRESSURE SPEC.:](https://www.polymerconcepts.com/hubfs/Polymer_Concepts_Mar2022/images/V-Spring-Seal-Stem-Packing-Assembly-360-4ea9b252%20(1).png)
![HIGH TEMP. HIGH-PRESSURE SPEC.:](https://www.polymerconcepts.com/hubfs/Polymer_Concepts_Mar2022/images/High-Temp-High-Pressure-Dual-Sided-270-Current-View-afad40c5.png)
PERFORMANCE WHEN CRITICAL
![PERFORMANCE WHEN CRITICAL](https://www.polymerconcepts.com/hubfs/Polymer_Concepts_Mar2022/images/Hight-Temp-High-Pressure-Engines-e212aeef.png)