Primary mechanical seal for Grundfos Sarlin R-706SP - for submersible pumps of the S-series. R-706SP - multi-spring, unloaded, used as a lower seal, with two sealing O-rings and characteristic recesses of the stationary part. Type: Primary shaft seal YJ3458665, spare part, Kit, Shaft Seal PRIMARY SHAFT SEAL – 96567358, Vulcan 42, Aesseal M01SA, Roplan 210 In Grundfos S1, S2, S3 pumps, tandem (together with R-706SS) seals are used for the following shaft diameter combinations: 32 mm / 38 mm 38 mm / 50 mm 50 mm / 65 mm 65 mm / 65 mm Temperature: -30 ° ~ 200 ° Pressure: ≤2.5 MPa Speed: ≤15 m / sec Materials Moving part: SIC Fixed ring: SIC Bellows: VITON Spring: SS304 / SS316 Metal parts: SS304 / SS316