Seal Rings
DKD Seal Rings are available in multiple material grades depending on measurement applications. Our Seal Rings are tested to make sure they can withstand the harshest materials and environments. Available in both notched 14.3 style and smooth old style, DKD seal rings are a proven method of creating the seal needed for accurate pipeline measurement.
We offer a number of Seal Rings for a variety of applications. Whether you know exactly what you need or could use help finding the right solution, give us a call at (361) 289-1711!
Nitrile Seal Rings
Nitrile Seal Ring
14.3 Nitrile Seal Ring
Technical Specifications
Sizes
- 2″ – 24″ sizes available (see full list)
- Sch. 30, 40, 60, 80, and 160 (see full list)
- 125–375 RMS surface finishes (see full list)
Physical Properties
- Hardness Shore A: 70–75, ASTM D 2240
- Tensile Strength PSI: 2250 ±100, ASTM D 412
- Elongation at Break (%): 350 ±50, ASTM D 412
- Tear Strength (lb/in): 199, ASTM D 624
- Temperature Resistance: -4°F to 239°F
HNBR Seal Rings
HNBR Seal Ring
14.3 HNBR Seal Ring
Technical Specifications
Sizes
- 2″ – 20″ sizes available (see full list)
- Sch. 20, 30, 40, 60, and 80 (see full list)
- 125–375 RMS surface finishes (see full list)
Physical Properties
- Hardness Shore A: 70–75, ASTM D 2240
- Tensile Strength PSI: 2150 ±100, ASTM D 412
- Elongation at Break (%): 225 ±50, ASTM D 412
- Tear Strength (lb/in): 171, ASTM D 624
- Temperature Resistance: -35°F to 239°F
FKM Seal Rings
FKM Seal Ring
14.3 FKM Seal Ring
Technical Specifications
Sizes
- 2″ – 20″ sizes available (see full list)
- Sch. 20, 30, 40, 60, 80, and 160 (see full list)
- 125–375 RMS surface finishes (see full list)
Physical Properties
- Hardness Shore A: 70–75, ASTM D 2240
- Tensile Strength PSI: 1615 ±100, ASTM D 412
- Elongation at Break (%): 250 ±50, ASTM D 412
- Tear Strength (lb/in): 125, ASTM D 624
- Temperature Resistance: -4°F to 455°F
Teflon Seal Rings
Teflon Seal Ring
14.3 Teflon Seal Ring
Technical Specifications
Sizes
- 2″ – 12″ sizes available (see full list)
- Sch. 40 and 80 (see full list)
- 125–250 RMS surface finishes (see full list)
Physical Properties
- Hardness Shore D: 55–60, ASTM D 785
- Tensile Strength PSI: 3625, ASTM D 4894
- Elongation at Break (%): 270, ASTM D 4894
- Melting Point: 621°F, ASTM D 4894
- Temperature Resistance: -350°F to 500°F
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