PRODUCTS
LL9UC
API Standard 682 seal
Feature
- API 682 Category 2 and 3, Type A, Arrangement 1 seal
- Single seal
- Balanced
- Cartridge unit
- Rotating multiple springs
- Solid seal faces
Product specification example
Standards and approvals
API 682 / ISO 21049
Materials
Seal ring: Blister resistant carbon, Silicon carbide SSiC (Q1), RBSiC (Q2)
Mating ring:Silicon carbide SSiC (Q1), RBSiC (Q2)
Secondary seals:FKM (V), FFKM (K), EPDM (E), NBR (P)
Springs: Hastelloy® C-276 (M5)
Metal parts: CrNiMo steel 316 (G)
Operating range
Pressure: p = vacuum … 42 bar (… 609 PSI)
Temperature: t = -40 °C … +176 °C (-40 °F … 349 °F)*
Sliding velocity: vg … 23 m/s (… 75 ft/s)
Viscosity: … 300 mPa·s
Solids content: … 0.5 wt.%
* Engineered up to 260 °C (500 °F) with FFKM (K) secondary
Recommended applications
Refining technology
Oil and gas industry
Petrochemical industry
Chemical industry
Power plant technology
Light volatile hydrocarbons
LPG plants API 610 / ISO 13709 pumps
Process pumps
Recommended piping plans
Process side: 01, 02, 11, 12, 13, 14, 21, 22, 23, 31, 32, 41
Atmospheric side: 51, 61, 62, 65A, 65B, 66A, 66B
Applicable ranges, performance data and figures can serve only as a guide for selection and therefore in actual use there will be some cases where general specifications cannot be applied due to unknown factors or constraints.
Please check the applicability before use.
The contents are subject to change without notice for improvement.
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