Industry Pump M3N M32 M37G Mechanical Seal

Features

· For plain shafts

· Single seal

· Unbalanced

· Rotating conical spring

· Dependent on direction of rotation

Advantages

· Universal application opportunities

· Insensitive to low solids content

· No damage of the shaft by set screws

· Large choice of materials

· Short installation lengths possible (G16)

· Variants with shrink-fitted seal face available

Operating range

Shaft diameter:
d1 = 6 ... 80 mm (0,24" ... 3,15")
Pressure: p1 = 10 bar (145 PSI)
Temperature:
t = -20 °C ... +140 °C (-4 °F ... +355 °F)
Sliding velocity: vg = 15 m/s (50 ft/s)
Axial movement: ±1.0 mm

Materials

Seal face: Special cast CrMo steel (S)
Seat G9: Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B)

Standards and approvals

· EN 12756

Recommended applications

· Chemical industry

· Pulp and paper industry

· Water and waste water technology

· Building services industry

· Food and beverage industry

· Sugar industry

· Low solids content media

· Water and sewage water pumps

· Submersible pumps

· Chemical standard pumps

· Eccentric screw pumps

· Cooling water pumps

· Basic sterile applications

Product variants

M3
Items and description as M3N.
Seal face: Special cast CrMo steel (S)
Seat G13: Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B)

M32
Items and descriptions as for type M3N, but with carbon graphite seal face shrink-fitted to the seal face carrier (Item no. 1.1).
Seal face: Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B)
Seat G4: special cast CrMo steel (S), Silicon carbide (Q1, Q2)
Seat G6 (M32N4): Special cast CrMo steel (S), Silicon carbide (Q1, Q2)
Seat G9 (M32N): Silicon carbide (Q1, Q2)
Seat G6 also available in A, B = G30 (longer installation length than G6)

M37G
Items and descriptions as for type M3N, but with shrink fitted silicon carbide seal face to the seal face carrier (Item no. 1.1).
Shaft diameter:
d1 = 16 ... 80 mm (0.63" ... 3.15")
Temperature:
t = –20 °C ... +180 °C (–4 °F ... +355 °F)
Sliding velocity: vg = 10 m/s (33 ft/s)

Seal face: Silicon carbide (Q12, Q22), Tungsten carbide (U22)
Seat G4: Silicon carbide (Q1, Q2)
Seat G13: Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B)
Seat G6 (M37GN4): Silicon carbide (Q1, Q2)
Seat G9 (M37GN): Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B), Silicon carbide (Q1, Q2)
Seat G6 also available in A, B = G30 (longer installation length than G6)

Single seal
Unbalanced
Conical spring
Dependent on direction of rotation
To EN12756 (DIN24960)

M3 mechanical seal series is structural simple and reliable. It has a wide application scope. It is suitable for clean water pumps, sewage pumps, submerged pumps, process pumps, etc.

Combination of materials
Sealing face
Graphite, Silicon carbide, Tungsten carbide,Aluminum oxide,Stainless steel
Secondary sealing
Acrylonitrile rubber, Fluorine rubber, Ethylene propylene rubber,PTFE
Metal component
Stainless steel
Operating limits
Specification: 6mm-80 mm
Pressure: ≤1.0 Mpa
Temperature: -20°C-180°C
Linear speed: ≤15 m/s
Axial movement: ±1.0 mm