Pusher Seals #7579391

Basic Features

• Structure: Single End
• Pressure: Low Pressure Mechanical Seals
• Speed: General Speed Mechanical Seal
• Temperature: General Temperature Mechanical Seal
• Performance: Wear
• Standard: DIN24960, ISO3069, GB6556
• Model NO.: SSI-21
• Balance: Unbalanced
• Specification: Inner Diameter: 10 mm to 50 mm

Type SSI-21 Single Coil CONICAL Spring Mechanical Seal for Water Pumps, Temperature Control Pumps, Vacuum Pumps and Heat-exchange Oil Pumps

Structural Features: single end, unbalanced, conical spring, dependent direction of rotation, spring transmission. This seal component has a simple structure, high compatibility and stable performance with great spring compensation.

Industrial Standards: DIN24960, ISO3069, GB6556

Scopes of Application: widely used in water pumps, temperature control pumps, vacuum pumps and heat-exchange oil pumps. Mainly used in leathering, waste water treatment, plastic, and food machinery industry. .

Basic Features

• Structure: Single-End
• Pressure: Medium Pressure Mechanical Seals
• Speed: General Speed Mechanical Seal
• Temperature: High Temperature Mechanical Seal
• Performance: Wear
• Standard: DIN24960, ISO3069, GB6556
• Model NO.: SSI-21JB & 21J
• Balance: Unbalanced
• Specification: Inner Diameter: 12 mm to 100 mm

SSI-21J Conical Spring Mechanical Seals for Clean Water Pumps, Circulating Pumps and Vacuum Pumps

Structural Features: single end, unbalanced, conical spring, dependent direction of rotation, spring transmission (conical spring drove by both side hook). This seal component has a simple structure, high compatibility and stable performance with great spring compensation. The stationary ring of this seal is standard G60 or G4.

Industrial Standards: DIN24960, ISO3069, GB6556

Scopes of Application: widely used in water pumps, sewage pumps, oil circulating pumps, chemical industrial pumps. Mainly used in oil refining, chemical engineering, chemical product transportation, water treatment and chemical fiber industry. This product can be an alternative to similar products from EG&G SEAL OL, Flexibox and Roten.

Operation Parameters:

• Pressure: 1.0 MPa or less
• Temperature: – 30 180 ºC
• Linear Speed: 15 m/s or less

Materials:

• Rotary Ring Face: Carbon/SiC/TC
• Stationary Ring Face: Carbon/SiC/TC
• Elastomers: NBR/Viton/EPDM/PTFE/FFKM
• Springs: SS304/SS316
• Metal Parts: 410S/SS304/SS316/SS316L

Mediums: oil, water, amorphism acid, alkali, salt, and organic solvents.

Customization: Changes of materials for getting other operating parameters are possible. Contact us with your requirements.

O-ring pusher construction mechanical seals

Typically seals with large spring, O-ring pusher construction. Type SSI-20 with easy to install, covers a wide range of applications and reliable performance characteristic. With extend combination material optionswidely used in general corrosive chemical pump, Sewage pumps and industrial pumps

Features

• For plain shafts
• Single seal
• Unbalanced
• Super-Sinus-spring or multiple springs rotating
• Independent of direction of rotation
• Variant with PTFE secondary seals for high chemical resistance

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 (M7.F)

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

Materials

• Seal face: Special cast CrMo steel , Silicon carbide , Aluminium oxide (V)
• Seat G9: Carbon graphite antimony impregnated , Carbon graphite resin impregnated  Silicon carbide
• Secondary seals: EPDM , NBR  FKM , FFKM
• Springs: CrNiMo steel  Metal parts: CrNiMo steel , Duplex (* Cannot be combined with seal face made of S

Standards and approvals

• EN 12756

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

Supplier & Distributor of Single Coil Spring Balanced Seal. Our product range also comprises of Dry Running Agitator Seal, Multi Spring Unbalanced Seal and Spring Unbalanced Seal.

Type SSI-92: are single coil unbalanced mechanical seals, reliable & rugged enough for variety of applications. Designated as SSI-91 & SSI-92 for ‘O’ Ring & PTFE wedge type Secondary Seals respectively. The balanced & unbalanced version can just be obtained by simply changing the carbon face assembled through circlip provided. Non-clogging spring design enables these seals to be reliably used in situations involving abrasive, corrosive and viscous media. generally handled by high-pressure pumps.

Applications :

• Used in high pressure pumps, refineries, fertilizers, nuclear plants & petroleum products.

Material :

• Seal Faces : Carbon Vs Sic./TC
• Secondary Seals :Viton/PTFE/GFT
• Metal Components : SS-316

Operating Limits :

• Shaft Dia : 10 to 150mm
• Pressure : up to 30 Bars
• Temp. : -50 to 180°C
• Speed : up to 15 m/s