Description
Rubber Diaphragm has wide applications include Electrical & Pneumatic Control Valves, Pressure Regulators, High-Pressure Pump, Gas Regulators, Pressure Relief Valve, etc. Diaphragm Materials range is NBR, SILICON, EPDM, NEOPRENE however Exact material specifications should be clarified by our engineers, as chemical and physical properties of grommets can differ based on manufacturing technique & application.
Material Selection Guide
| MATERIAL | NR | SBR | NBR | CR | EPDM | HNBR | ACM | CSM | SILICONE | FKM (VITON) |
| HARDNESS RANGE ( SHORE A) | 40-90 | 35-90 | 40-90 | 40-80 | 40-90 | 40-90 | 40-80 | 40-80 | 30-80 | 50-90 |
| HIGH TEMP C | 100 | 120 | 130 | 130 | 150 | 150 | 180 | 150 | 230 | 225 |
| LOW TEMP C | -50 | -55 | -45 | -40 | -50 | -45 | -25 | -40 | -60 | -15 |
| STEAM | F | F | F | P | G | G | P | E | E | E |
E= EXCELLENT; G= GOOD; F= Fair; P= Poor; A=Available, NA= Not Available
This guide is intended for general reference Only. The materials listed are the most commonly used. There are numerous compound variations designed for specific applications for which please forward details to our engineers For recommendation.
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