| Flange Gasket Price Comparisons | ||||||||
| McMaster-Carr | Standard Gasket | |||||||
| Flange Size | Style | Material | THK | Min | $/EA | SG Min | SG Price | +/-% |
| 1/2 | RT150 | SBR/RR | 1/8 | 10 | 0.13 | 100 | 0.10 | -23.8% |
| 3/4 | RT150 | SBR/RR | 1/8 | 10 | 0.13 | 80 | 0.12 | -4.9% |
| 1 | RT150 | SBR/RR | 1/8 | 10 | 0.20 | 65 | 0.15 | -22.4% |
| 1 1/4 | RT150 | SBR/RR | 1/8 | 10 | 0.26 | 55 | 0.18 | -31.6% |
| 1 1/2 | RT150 | SBR/RR | 1/8 | 10 | 0.26 | 45 | 0.21 | -18.6% |
| 2 | RT150 | SBR/RR | 1/8 | 10 | 0.39 | 35 | 0.29 | -27.6% |
| 2 1/2 | RT150 | SBR/RR | 1/8 | 6 | 0.46 | 30 | 0.37 | -20.2% |
| 3 | RT150 | SBR/RR | 1/8 | 6 | 0.46 | 25 | 0.41 | -10.8% |
| 4 | RT150 | SBR/RR | 1/8 | 6 | 0.69 | 20 | 0.62 | -9.9% |
| 5 | RT150 | SBR/RR | 1/8 | 6 | 0.82 | 15 | 0.73 | -11.2% |
| 6 | RT150 | SBR/RR | 1/8 | 2 | 0.97 | 15 | 0.85 | -12.7% |
| 8 | RT150 | SBR/RR | 1/8 | 2 | 1.30 | 8 | 1.21 | -6.7% |
| Group Average: | -16.7% | |||||||
| 1/2 | RT150 | Buna-N | 1/8 | 10 | 0.80 | 75 | 0.27 | -66.4% |
| 3/4 | RT150 | Buna-N | 1/8 | 10 | 0.88 | 60 | 0.34 | -60.8% |
| 1 | RT150 | Buna-N | 1/8 | 10 | 0.96 | 50 | 0.43 | -55.2% |
| 1 1/4 | RT150 | Buna-N | 1/8 | 10 | 1.04 | 40 | 0.52 | -50.3% |
| 1 1/2 | RT150 | Buna-N | 1/8 | 10 | 1.12 | 35 | 0.62 | -44.4% |
| 2 | RT150 | Buna-N | 1/8 | 10 | 1.28 | 25 | 0.85 | -33.3% |
| 2 1/2 | RT150 | Buna-N | 1/8 | 6 | 1.84 | 20 | 1.12 | -39.1% |
| 3 | RT150 | Buna-N | 1/8 | 6 | 1.92 | 20 | 1.27 | -34.1% |
| 4 | RT150 | Buna-N | 1/8 | 6 | 2.96 | 15 | 1.96 | -33.8% |
| 5 | RT150 | Buna-N | 1/8 | 6 | 3.52 | 10 | 2.30 | -34.5% |
| 6 | RT150 | Buna-N | 1/8 | 2 | 4.16 | 7 | 2.73 | -34.4% |
| 8 | RT150 | Buna-N | 1/8 | 2 | 4.54 | 5 | 4.00 | -11.8% |
| Group Average: | -41.5% | |||||||
| 1/2 | RT150 | Neoprene | 1/8 | 10 | 0.26 | 90 | 0.15 | -41.2% |
| 3/4 | RT150 | Neoprene | 1/8 | 10 | 0.26 | 75 | 0.19 | -26.0% |
| 1 | RT150 | Neoprene | 1/8 | 10 | 0.43 | 60 | 0.24 | -44.5% |
| 1 1/4 | RT150 | Neoprene | 1/8 | 10 | 0.45 | 50 | 0.28 | -37.6% |
| 1 1/2 | RT150 | Neoprene | 1/8 | 10 | 0.50 | 45 | 0.34 | -32.6% |
| 2 | RT150 | Neoprene | 1/8 | 10 | 0.62 | 35 | 0.45 | -26.9% |
| 2 1/2 | RT150 | Neoprene | 1/8 | 6 | 0.72 | 25 | 0.59 | -18.1% |
| 3 | RT150 | Neoprene | 1/8 | 6 | 0.76 | 25 | 0.65 | -14.0% |
| 4 | RT150 | Neoprene | 1/8 | 6 | 1.17 | 15 | 1.00 | -14.4% |
| 5 | RT150 | Neoprene | 1/8 | 6 | 1.55 | 15 | 1.16 | -24.9% |
| 6 | RT150 | Neoprene | 1/8 | 2 | 1.92 | 15 | 1.36 | -29.1% |
| 8 | RT150 | Neoprene | 1/8 | 2 | 1.99 | 7 | 1.95 | -1.8% |
| Group Average: | -25.9% | |||||||
| 1/2 | RT150 | Silicone | 1/8 | 10 | 1.25 | 10 | 0.46 | -63.1% |
| 3/4 | RT150 | Silicone | 1/8 | 10 | 1.40 | 7 | 0.63 | -55.2% |
| 1 | RT150 | Silicone | 1/8 | 10 | 1.60 | 6 | 0.82 | -48.9% |
| 1 1/4 | RT150 | Silicone | 1/8 | 10 | 1.95 | 5 | 1.03 | -47.3% |
| 1 1/2 | RT150 | Silicone | 1/8 | 10 | 2.35 | 4 | 1.27 | -45.9% |
| 2 | RT150 | Silicone | 1/8 | 10 | 2.85 | 3 | 1.83 | -35.7% |
| 2 1/2 | RT150 | Silicone | 1/8 | 6 | 3.35 | 3 | 2.49 | -25.5% |
| 3 | RT150 | Silicone | 1/8 | 6 | 4.30 | 2 | 2.94 | -31.7% |
| 4 | RT150 | Silicone | 1/8 | 6 | 6.95 | 2 | 4.70 | -32.3% |
| 5 | RT150 | Silicone | 1/8 | 6 | 8.00 | 1 | 5.79 | -27.6% |
| 6 | RT150 | Silicone | 1/8 | 2 | 9.60 | 1 | 7.18 | -25.2% |
| 8 | RT150 | Silicone | 1/8 | 2 | 13.00 | 1 | 11.05 | -15.0% |
| Group Average: | -37.8% | |||||||
| 1/2 | RT150 | Viton | 1/8 | 1 | 3.38 | 15 | 1.12 | -67.0% |
| 3/4 | RT150 | Viton | 1/8 | 1 | 3.38 | 10 | 1.55 | -54.2% |
| 1 | RT150 | Viton | 1/8 | 1 | 3.78 | 6 | 2.03 | -46.2% |
| 1 1/4 | RT150 | Viton | 1/8 | 1 | 4.46 | 5 | 2.53 | -43.3% |
| 1 1/2 | RT150 | Viton | 1/8 | 1 | 5.27 | 4 | 3.14 | -40.4% |
| 2 | RT150 | Viton | 1/8 | 1 | 6.13 | 3 | 4.57 | -25.4% |
| 2 1/2 | RT150 | Viton | 1/8 | 1 | 7.25 | 2 | 6.25 | -13.8% |
| 3 | RT150 | Viton | 1/8 | 1 | 9.13 | 2 | 7.14 | -21.8% |
| 4 | RT150 | Viton | 1/8 | 1 | 14.38 | 1 | 11.51 | -20.0% |
| 5 | RT150 | Viton | 1/8 | 1 | 17.38 | 1 | 13.60 | -21.8% |
| 6 | RT150 | Viton | 1/8 | 1 | 19.38 | 1 | 16.41 | -15.3% |
| 8 | RT150 | Viton | 1/8 | 1 | 26.75 | 1 | 24.79 | -7.3% |
| Group Average: | -31.4% | |||||||
| 1/2 | FF150 | Viton | 1/8 | 1 | 6.25 | 3 | 3.96 | -36.7% |
| 3/4 | FF150 | Viton | 1/8 | 1 | 6.25 | 3 | 4.77 | -23.6% |
| 1 | FF150 | Viton | 1/8 | 1 | 7.00 | 2 | 5.65 | -19.3% |
| 1 1/4 | FF150 | Viton | 1/8 | 1 | 8.25 | 2 | 6.53 | -20.9% |
| 1 1/2 | FF150 | Viton | 1/8 | 1 | 9.75 | 2 | 7.53 | -22.8% |
| 2 | FF150 | Viton | 1/8 | 1 | 12.25 | 1 | 10.67 | -12.9% |
| 2 1/2 | FF150 | Viton | 1/8 | 1 | 14.50 | 1 | 14.32 | -1.2% |
| 3 | FF150 | Viton | 1/8 | 1 | 18.25 | 1 | 15.89 | -12.9% |
| 4 | FF150 | Viton | 1/8 | 1 | 28.75 | 1 | 22.28 | -22.5% |
| 5 | FF150 | Viton | 1/8 | 1 | 34.75 | 1 | 26.34 | -24.2% |
| 6 | FF150 | Viton | 1/8 | 1 | 38.75 | 1 | 30.58 | -21.1% |
| 8 | FF150 | Viton | 1/8 | 1 | 53.50 | 1 | 44.28 | -17.2% |
| Group Average: | -19.6% | |||||||
| Overall Average Price Difference: | -21.8% | |||||||
| Ref: McMaster-Carr @ www.mcmaster.com (07/16/2005) | ||||||||