Type 804

EagleBurgmann type M74-D series replcement

Dual mechanical seal type 804 with reliable performance and wide range of seals working pressure. it is frequently used in chemical industry, paper industry and other rotating equipment.

Features

  Multiple spring, dual seal, O-ring pusher seal, Easily interchangeable

  Transmission by Pin and groove, independent of direction of rotation

  Solid seal faces material are easily interchangeable. Good heat dissipation

 Same features as  type 71U

Stationary Seat

 

Standard Seat: T7G9

T7G9 equivalent to Burgmann G9 

 

Alternatives Seat: T5G9  T4G9

T4G9 equivalent to Burgmann G9

 
Recommended Applications
  Low solids content or viscous media, abrasive media

  Toxic and hazardous media

  Other Rotating Equipment

Operating range

Shaft diameter:  d1=20…80
Pressure: p=0…0.5Mpa(72.5psi)
Temperature:   t = -20 °C …180 °C(-4°F to 356°F)
Sliding velocity:  Vg≤10m/s(32.8ft/m)

 

Notes: The range of preesure,temperature and sliding velocity is depend on seals combination materials

Detailed parameters

Frequently Asked Question

Yes. The address is in Wenzhou, Zhejiang. We have been committed to provide professional solutions for the
printing and Machinery manufacturing industry for 15 years.

Yes, you can get free samples.
If the sample need to be customized, it should be paid for the sample.

We will offer you the best price quote after we get the product specifications such as size, material, shape, color, quantity,
surface finishing, etc.

Quality is priority. we always attach great importance to quality controlling

  from the very beginning to the very end. Our factory has gained ISO9001 

  authentication.

7-15 days after confirm all details.

By express like DHL, UPS, TNT, FedEx etc, about 3-7 days. By sea about 15-35 days.

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