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    E-M7N type, replacement product of Eagle Burgmann M7N type Temperature: -50~220℃ Speed: 20 m/s Pressure: 2.5Mpa

installation drawing and size of E-M7N.pdf

Suggested operating limits

Temperature: -20 - 180℃

Speed: ≤20m/s

Pressure≤1.5 Mpa

Combined material

Rotary face: Stainless steel/Carbon/Sic/TC

Stat Ring: Carbon/Sic/TC

Seat Type:Standard G4 G6 G9 G13

M7N have pump ring design which called M7F.


For plain shafts

Single seal


Super-Sinus-spring or multiple spring rotating

Independent of direction of rotation

Variant with PTFE secondary seals for high chemical resistance(M78N)


Universal application opportunities

Efficient stock keeping due to easily interchangeable faces

Extended selection of materials

Insensitive to low solid contents

Flexibility in torque transmissions

Self cleaning effect

Short installation length possible(G16)

Pumping screw for media with higher viscosity(M7..F)

Recommended applications

Process industry

Chemical industry

Pulp and paper industry

Water and waste water technology


Lube oils

Low solids content media

Water/sewage water pumps

Chemical standard pumps

Vertical screw pumps

Gear wheel feed pumps

Multistage pump(drive side)

Circulation of printing colors with viscosity 500...15,000mm2/s

Installation size and drawing of M7N Waving Spring Seals