Drawing Item Identification:
A: OA height in inches
B: OA width in inches
C: Block width in inches
D: Block height in inches
E: Off set in inches
F: Body thickness in inches
G: Recess in inches
H: Long legs in inches
R1: Dome radius in inches
| A | B | C | D | E | F | G | H | R1 | R2 |
|---|---|---|---|---|---|---|---|---|---|
| 1-3/4" | 5-5/8" | 5/8" | 1" | 5/16" | 1/2" | 1/4" | 18" | 11/16" | 9/16" |
| 1-3/4" | 6-1/4" | 7/16" | 3/4" | 1/8" | 9/16" | 3/32" | 18" | 7/8" | 3/8" |
| 1-15/16" | 5-5/8" | 5/8" | 1-13/16" | 5/16" | 11/16" | 1/4" | 18" | 11/16" | 9/16" |
NOTE: MATCH “A” DIMENSIONS FOR BOTH PARTS FOR PROPER SEAL ALIGNMENT. USE A 2″ BULB AND TAIL WITH THE 1-15/16″ DOME SEAL.
Solid Bulb and Tail Diagram
| A | B | C | R |
|---|---|---|---|
| 1-3/4" | 7" | 9/16" | 5/16" |
| 2" | 7" | 3/4" | 1/4" |
Material Specifications
| Physical Tests | Specifications | Natural 1103 | Natural 1177 | Natural 1187 | Neoprene 1501 |
|---|---|---|---|---|---|
| Tensile Stength | Die C ASTM D412 | 3000 psi (min) | 2500 psi (min) | 2500 psi (min) | 2500 psi (min) |
| Elongation at Rupture | ASTM D412 | 450% (min) | 450% (min) | 400% (min) | 400% (min) |
| 300% Modulus | ASTM D412 | 900 psi (min) | 900 psi (min) | - | 900 psi (min) |
| Durometer Hardness, Shore Type A | ASTM D2240 | 60 - 70 | 45 ± 5 | 50 - 60 | 60 - 70 |
| Water Absorption | 70 Hrs. @ 212°F ASTM D471 | 10% change in volume (max) | 10% by weight (max) | 10% by volume (max) | 10% by weight (max) |
| Compression Set | ASTM D395 Method B 22 Hrs/ @ 158°F | 30% (max) | 30% (max) | 25% (max) | 30% (max) |
| Tensile Strength After Oxygen Bomb Aging | ASTM F572 | 80% (min) of tensile strength | 80% (min) of tensile strength | - | 80% (min) of tensile strength |
| Low Temperature Brittleness | ASTM D2137 Method A, 9.3.2 | Non-Brittle after 3' @ -40°C | Non-Brittle after 3' @ -40°C | Non-Brittle after 3' @ -40°C | Non-Brittle after 3' @ -25°C |
