wave spring mechanical seal

Short Description:

Our WM7N is equal to Burgmann M7N mechanical seals which designed for universal application and ideal suited for standard situation. The loosely inserted seal faces are easily exchanged, permitting all combinations of materials with Super-Sinus spring. Extremely rugged and reliable, they cover a wide spectrum of applications-in water pumps, sewage pumps, submerged pumps, chemical pumps, etc.


Product Detail

Product Tags

With a positive and progressive attitude to customer’s interest, our enterprise continually improves our products excellent to meet the wants of customers and further focuses on safety, reliability, environmental requirements, and innovation of wave spring mechanical seal, We are wanting forward to even larger cooperation with abroad customers dependant on mutual rewards. Make sure you sense free to make contact with us for more depth!
With a positive and progressive attitude to customer’s interest, our enterprise continually improves our products excellent to meet the wants of customers and further focuses on safety, reliability, environmental requirements, and innovation of Pump Mechanical Seal, Pump Shaft Seal, We have been sticking to excellent quality, competitive price and punctual delivery and better service, and sincerely hope to establish long-term good relationships and cooperation with our new and old business partners from all over the world. Sincerely welcome you to join us.

Replacement for the below mechanical seals

Burgmann M7N ,LIDERING LWS10, Latty U68, Flowserve Europac 600, Vulcan 1677, AESSEAL W07DMU, Anga V, Sterling 270, Hermetica M251.K2

Features

  • For plain shafts
  • Single seal
  • Unbalanced
  • Super-Sinus-spring or multiple springs rotating
  • Independent of direction of rotation

Advantages

  • Universal application opportunities
  • Efficient stock keeping due to easily interchangeable faces
  • Extended selection of materials
  • Insensitive to low solids contents
  • Flexibility in torque transmissions
  • Self-cleaning effect
  • Short installation length possible (G16)
  • Pumping screw for media with higher viscosity

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 mm
d1 = 28 up to 63 mm: ±1.5 mm
d1 = from 65 mm: ±2.0 mm

Combination Material

Rotary Face
Silicon carbide (RBSIC)
Carbon graphite resin impregnated
Tungsten carbide
Cr-Ni-Mo Steel (SUS316)
Stationary Seat 
Silicon carbide (RBSIC)
Carbon graphite resin impregnated
Tungsten carbide
Auxiliary Seal 
Fluorocarbon-Rubber (Viton)
Ethylene-Propylene-Diene (EPDM)
Silicone-Rubber(MVQ)
PTFE Coated VITON

Spring 
Stainless Steel (SUS304)
Stainless Steel (SUS316)

Metal Parts
Stainless Steel (SUS304)
Stainless Steel (SUS316)

Recommended Applications

  • Process industry
  • Chemical industry
  • Pulp and paper industry
  • Water and waste water technology
  • Shipbuilding
  • Lube oils
  • Low solids content media
  • Water / sewage water pumps
  • Chemical standard pumps
  • Vertical screw pumps
  • Gear wheel feed pumps
  • Multistage pumps (drive side)
  • Circulation of printing colors with viscosity 500 … 15,000 mm2/s.

product-description1

Item Part no. to DIN 24250 Description

1.1 472 Seal face
1.2 412.1 O-Ring
1.3 474 Thrust ring
1.4 478 Righthand spring
1.4 479 Lefthand spring
2 475 Seat (G9)
3 412.2 O-Ring

WM7N DATA SHEET OF DIMENSION (mm)

product-description1With a positive and progressive attitude to customer’s interest, our enterprise continually improves our products excellent to meet the wants of customers and further focuses on safety, reliability, environmental requirements, and innovation of China Cheap price M7N Pump Mechanical Seal, we are wanting forward to even larger cooperation with abroad customers depend on mutual rewards. Make sure you sense free to make contact with us for more depth!
China Cheap price China Mechanical Seal and Pump Seal, we have been sticking to excellent quality, competitive price and punctual delivery and better service, and sincerely hope to establish long-term good relationships and cooperation with our new and old business partners from all over the world. Sincerely welcome you to join us.


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