Standard Cartridge Seals

Metal Bellows Dual Cartridge Seal

LPM322

The Metal Bellows Dual Cartridge Seal is designed for high-temperature and demanding process applications where reliable sealing is critical. Its welded metal bellows construction eliminates dynamic O-rings while the dual cartridge configuration provides enhanced sealing safety, improved heat resistance, and stable face loading for continuous operation. Since 2002, Lineproof Engineering, based in Mumbai, has been designing and supplying precision mechanical shaft seals and specialized cartridge sealing technologies developed to support safe and efficient performance in modern process industries.

Metal Bellows Dual Cartridge Seal for Standard Cartridge Seals

Face Material

Carbon Graphite, Silicon Carbide, Tungsten Carbide.

Metal Parts

SS 316, SS 304, Duplex. Bellows: Inconel 718.

Secondary Seal

FPM, EPDM, FFKM.

Operating Limits

  • Shaft Diameter 25 mm to 80 mm
  • Pressure 25 bar
  • Temperature −40 °C to 220 °C
  • Velocity 20 m/s

Characteristics

  • Double seal
  • Mtex-DN: API Plan 52 (53/54)
  • Mtex9-DN: API Plan 53/54
  • Cartridge
  • Balanced
  • Independent of direction of rotation
  • Metal bellows
  • Stationary O-Ring
  • Pumping device independent of direction

Application

  • Process industry
  • Chemical industry
  • Hot media handling
  • Cold media handling
  • Highly viscous media
  • Special rotating equipment
Metal Bellows Dual Cartridge Seal Technical Drawing
No. Component No. Component
1 Bellow Unit 12 Shaft Sleeve
2 O-Ring 13 Housing
3 O-Ring 14 Seal Face
4 O-Ring 15 Spring
5 O-Ring 16 Drive Collar
6 O-Ring 17 Snap Ring
7 O-Ring 18 Assembly Fixture
8 Set Screw 19 HSH Cap Screw
9 Set Screw 20 Gasket
10 Seat 21 Screw Plug
11 Seat

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Download the brochure for sealing solutions, specifications, and technical details.

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