Product Name: Burgmann BT-AR Replacement Mechanical seal for pumps Model NO.: SSBT-AR Balance: Balanced Type: SSBT-AR Standard: Standard, Nonstandard Performance: Temperature Temperature: Temperature Mechanical Seal Speed: General Speed Mechanical Seal Pressure: Medium Pressure Mechanical Seals Structure: Single End Trademark: Saisi Seal Transport Package: Wooden Box or Carton Box Upon The Order Specification: CE; RoHS Origin: Zhangjiagang, Jiangsu HS Code: 8484200090 Product Description FeaturesReplacement of Burgmann BT-ARSingle and dual sealShort axial installation lengthProtection of the shaft along the whole lengthMaterial approvals availableOperating rangeShaft diameter: d1 = 6 60 mm (0.24" ... 2.4")Pressure: p1* = 6 bar (87 PSI),vacuum 0.5 bar (7.25 PSI)up to 1 bar (14.5 PSI) with seat lockingTemperature: t* = -20 °C +120 °C (-4 °F +248 °F)Sliding velocity: vg = 10 m/s (33 ft/s)* Depending on medium, size and materialMaterialsSeal face: Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B, B3), Silicon carbide (Q1,Q6), Tungsten carbide (U)*, PTFE glass fiber reinforced (Y)Seat: Steatite (X), Aluminium oxide (V, V1),Silicon carbide (Q1, Q6), Tungsten carbide(U)*Elastomer: NBR (P), EPDM (E), FKM (V),HNBR (X4)metal parts: CrNiMo steel (G), CrNi steel (F),1.4057 (F1)** only for SSBT-AR3Recommended applicationsWater and waste water technologyFood and beverage industryWater and waste water technologyBuilding services industryFood and beverage industryDomestic and garden pumpsWhirlpool and swimming pool pumpsDishwasher pumpsSubmersible motors/pumpsWater pumpsSSBT-AR3Seal faces made of Tungsten carbide (U). Elastomers and diameter range same as SSBT-AR. TheBT-AR3 is the right choice when the seal has to be used in high duty applications or where theseal faces could be damaged by abrasives (waste water).SSBT-AR drawing:SSBT-AR3 Drawing: