China Nordson Efd Dispensing Valve Spring Seal, Find details about China 94 / 794-Tc Auger Valves Seal, Liquidyn P-DOT Series Jetting Valves Seal from Nordson Efd Dispensing Valve Spring Seal
| Material Code | Compound Features & Recommended Service | Chemical | Wear | ||
| 10 | Virgin PTFE, premium grade, excellent material for gases and cryogenic applications, excellent chemical resistance, FDA approved, API 6A qualified | E | P | ||
| 9 | Modified PTFE, improved creep and extrusion resistance, excellent for static applications, low gas per_x005f_x005f_x005f_x0002_meability, good cryogenic properties, moderate to high vacuum service, FDA approved, API 6A qualified | E | F | ||
| 16 | Fiber Glass/Moly filled, excellent wear and creep resistance, good abrasion resistance for sealing non_x005f_x0002_lubricated media, good extrusion resistance, highly wear resistant blend, API 6A qualified | E | E | ||
| 15 | Carbon/Graphite filled, suitable for dynamic sealing of steam and water as well as poorly lubricated, recommended for dry or insufficiently lubricated applications, API 6A qualified | E | E | ||
| 21 | Graphite filled, very low coefficient of friction, good for water service, excellent for dry or poorly lubricated applications, API 6A qualified | E | F | ||
| 6 | Carbon Fiber filled, excellent wear and creep resistance, good electrical conductivity, good in water service, API 6A qualified | E | E | ||
| 80 | Mineral filled, used for sealing food products, good wear properties for both rotary and linear applications, FDA compliant material for sanitary food and pharmaceutical processing | G | G | ||
| 88 | Ekonol filled, good wear resistance but is not abrasive against non-hardened surfaces, should not be used in steam applications, best in dynamic applications running against soft metals | G | G | ||
| 35 | Stainless Steel filled, excellent material for steam service, good compression strength proportion along with better chemical resistance than bronze filled PTFE | F | G | ||
| 1 | Bronze filled, suited for high speed dynamic sealing of lubricating media, should not be used for chemical service | P | E | ||
| 2 | Polyimide filled, excellent wear resistance but not abrasive against non-hardened surfaces, should not be used in steam applications | G | E | ||
| 24 | Virgin PEEK, high strength material predominately used for anti-extrusion devices, such as back-up ring and support rings | G | G | ||
| 23 | Carbon Fiber filled PEEK, improved high temp properties, extremely rigid, high strength material used for back-up rings, guide rings, and support rings, API 6A qualified | G | G | ||
| 22 | PTFE filled PEEK, lower coefficient of friction than virgin PEEK, excellent high heat and wear resistance, chemically resistant to aggressive environments | G | E | ||
| 26 | UHMW, best material for reciprocating service in water or water based fluids, typically used for sealing food products, paints, adhesives , excellent wear and abrasion resistance | G | E | ||
| 101 | ETFE, melt processible fluoropolymer with good impact, abrasion and wear resistance, used in applica_x005f_x005f_x005f_x0002_tions where gamma radiation resistance is required, superior to nuclear radiation | F | E | ||
| E - excellent, G - good, F - fair, P - poor | |||||
| Material Code | Name | Description |
| A | 301 Stainless Steel | Good corrosion resistance for general applications |
| B | Inconel 718 | For extreme temperatures. Good resilience and tensile properties. |
| C | Elgiloy | The most resilient spring. Excellent chemical compatibility and corrosion resistance.Meets N.A.C.E. MR-01-75 |
| D | Hastelloy C-276 | High nickel content for maximum corrosion resistance. Meets N.A.GE. MR-01-75 |
| E | 304 Stainless Steel | Meets N.A.C.E. MR-01-75. Good for general applications requiring corrosion resistance and non-magnetic characteristics |
| F | 17-7 PH Stainless Steel | Good for cryogenic applications. Used in many military-aerospace requirements. |
| G | 316 Stainless Steel | A good corrosion resistant alloy for applications requiring higher chemical compatibility |
| H | 302 Stainless Steel | Typical non-magnetic 300 series stainless steel |