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Akm 7240 M7N Mechanical Seal1
Sealing Gaskets, Component Seal, Mechanical Seal
Zhangjiagang Akman Seal Manufacturing Co., Ltd.
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Product Description M7N Wave Spring Mechanical SealFeatures:For plain shaftsSingle sealUnbalancedSuper-Sinus-spring or multiple springs rotatingIndependent of direction of rotationVariant with PTFE secondary seals for highchemical resistance (M78N)Advantages:Universal application opportunitiesEfficient stock keeping due to easilyinterchangeable facesExtended selection of materialsInsensitive to low solids contentsFlexibility in torque transmissionsSelf cleaning effectShort installation length possible (G16)Pumping screw for media with higherviscosity (M7..F)Recommended applications:Process industryChemical industryPulp and paper industryWater and waste water technologyShipbuildingLube oilsLow solids content mediaWater / sewage water pumpsChemical standard pumpsVertical screw pumpsGear wheel feed pumpsMultistage pumps (drive side)Circulation of printing colors with viscosity500 ... 15,000 mm2/s.Operating range:Shaft diameter: d1 = 14 ... 100 mm (0.55 " … 3.94 ")Pressure: p1 = 25 bar (363 PSI)Temperature: t = -50 °C ... +220 °C (-58 °F ... +428 °F)Sliding velocity: vg = 20 m/s (66 ft/s)Axial movement:d1 = up to 25 mm: ± 1.0 mmd1 = 28 up to 63 mm: ± 1.5 mmd1 = from 65 mm: ± 2.0 mmMaterials:Seal face: Special cast CrMo steel (S),Silicon carbide (Q1, Q2), Aluminium oxide(V)Seat G9: Carbon graphite antimonyimpregnated (A), Carbon graphite resinimpregnated (B), Silicon carbide (Q1*, Q2*)Seat G4: Silicon carbide (Q1*, Q2*)Seat G6: Silicon carbide (Q1*, Q2*)Seat G13: Carbon graphite antimonyimpregnated (A), Carbon graphite resinimpregnated (B)Secondary seals: EPDM (E), NBR (P), FKM(V), FFKM (K)Springs: CrNiMo steel (G) Metal parts:CrNiMo steel (G), Duplex (G1) Operational ConditionsTemperature-30oC to 200oC, dependent on the elastomerPressureUp to 16 barSpeedUp to 20 m/sEnd play/axial float allowance±0.1mmSize14mm to 100mmBrandJRFaceCarbon, SiC, TCSeatCarbon, SiC, TCElastomerNBR, EPDM, VITON SpringSS304, SS316Metal partsSS304, SS316 Riscky LiWebsite: http://akman2006.en.made-in-china.com
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