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DIAPHRAGM SANTOPRENE BACKUP - EXB (15-219)
Part No: 15-219
Pack of 1
15-219: DIAPHRAGM SANTOPRENE BACKUP - EXB (15-219) – A resilient Santoprene thermoplastic rubber backing cushion installed behind a primary Teflon (PTFE) diaphragm sheet. It absorbs heavy mechanical stress, cushions structural flex forces, and extends the operational lifespan of the main pumping layer.
15-219: DIAPHRAGM SANTOPRENE BACKUP - EXB (15-219) – A resilient Santoprene thermoplastic rubber backing cushion installed behind a primary Teflon (PTFE) diaphragm sheet. It absorbs heavy mechanical stress, cushions structural flex forces, and extends the operational lifespan of the main pumping layer.
Key Features
- Thermoplastic rubber (Santoprene) construction designed to support primary PTFE diaphragms.
- Absorbs mechanical stress and structural flexion to extend the runtime of fluid-side parts.
- Formulated with high memory retention to maintain shape through millions of pump cycles.
- Provides a crucial secondary containment layer to prevent liquid from leaking into the air motor.
- Sized to exact dimensional tolerances for a snug, balanced fit across EXB series pump plates.
Technical Specifications
| Manufacturer / Brand | Blagdon Pump |
| Component Classification | Elastomeric Secondary Support Backup Diaphragm |
| Pump Fitment Compatibility | EXB-series 1/2" dual-diaphragm (PTFE overlayer) configurations |
| Primary Material | Santoprene (Thermoplastic Elastomer - TPE) |
| Function | Absorbs structural flex energy behind the rigid PTFE face to distribute stress paths |
| Flex-Life Performance | Outstanding structural memory and flex life properties under continuous duty |
| Operating Temperature | -20°F to 225°F (-29°C to 107°C) |
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