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Mechanical Shaft Seals2020-08-28T18:04:06+05:30

Pusher Seals

Standard Style
  • Face Materials: Stellite, Carbon, Ceramic, Tungsten Carbide, Silicon Carbide, Lecrolloy
  • Metal Parts: SS 316, SS 304
  • Secondary Seal: Elastomers, PTFE
Applications
  • Water Pumps
  • Circulation Pumps for central heating
  • Chemical Process Pumps
  • Sewage and Submersible pumps
Seal Characteristics
  • Single acting
  • Unbalanced
  • Inside mounted
  • Dependent of direction of rotation
Operating Limits
  • Shaft Diameter d1 : 10 mm to  100 mm
  • Pressure p : 08 bar (max)
  • Temperature t : -20°C to +200°C
  • Velocity v : 20 m/sec

Single Spring Seal

Standard Style
  • Face Materials: Carbon/Stellite / Lecrolloy / Ceramic / Silicon Carbide / Plasma Sprayed Ceramic
  • Metal Parts: SS 316, SS 304
  • Secondary Seal: Nitrile, EPDM, Viton, PTFE
Applications
  • Industrial
  • Marine
Seal Characteristics
  • Single acting
  • Balanced / Unbalanced
  • Inside & Outside Mounted
  • Independent of direction of rotation
  • Torque Transmission by Secondary seal
Operating Limits
  • Shaft Diameter d1 : 10 … 100 mm
  • Pressure p : 10 bar (max)
  • Temperature t : – 20 … +180O C
  • Velocity v : 10 m/sec>

Multi Spring Seal

Features
  • Directly slip-on type hydraulically balanced seal design
  • Revolutionary concepts in design engineering
  • Near-universal applicability interchangeability with nearly all conventional seals and gland packings without pump or gland modification
  • No seal induced shaft damages saves hidden maintenance costs for shaft/ sleeve repair/renewal
  • Lower price than conventional seals because of high degree of standardization
  • Uniform installation dimension for all sizes results in ease of handling
Application Data of seal type 707
  • Seal faces: Carbon, Stellite, Plasma Sprayed Ceramic, Tungesten Carbide, Silicon Caribide
  • Elastomer: EPDM , Neoperene ,Viton, TEV, Kalrez
  • Size range: 16 to 150mm
  • Pressure: 35 bar
  • Temperature: 205°c
Application Data of seal type 808
  • Seal faces: Carbon, Stellite, Plasma sprayed ceramic, Tungesten carbide, Silicon caribide
  • Elastomer: Viton®, Neoperene, Kalrez®, EPDM, TEV
  • Size range: 108mm to 150mm
  • Pressure: 35 bar
  • Temperature: 205°c
Applications
  • Industrial
  • Marine

Textile Seal

To Be Use For
  • Caustic
  • Acidic
  • Sodium Hydrogen Carbonate
Operating Limits
  • Shaft Diameter : As per machine required
  • Pressure : Normal
  • Temperature : Normal
Material Of Construction
  • Sealing faces : Carbon, Silicon Carbide, Tungsten Carbide, Chrome Cast Steel & which are suitable for fluid
  • Elastomer :Viton, EPDM, Silicon, Aflas, PTFE, Hypalon
  • Hardware : SS 316, Hastelloy C, Monel, Alloy 20
Part Of Identification
  • Rotary Face (Seal Ring)
  • Stationary Face (Mating Ring)
  • Elastomer
  • Spring
  • Other Hardwere

Teflon Bellow Seals

Standard Style
  • Face Materials: GFT / CFT / Silicon Carbide / Ceramic
  • Metal Parts: SS 316, SS 304, Hastelloy-C
  • Springs: Teflon Covered Spring Steel, S.S.316 , S.S.304 , Hastelloy-C
  • Secondary Seal: PTFE Bellows
Applications
  • Extremely corrosive services
Seal Characteristics
  • Single acting
  • Outside mounted
  • Multi Spring & Single Spring Design
  • Independent of direction of rotation
Operating Limits
  • Shaft Diameter d1 : 19mm to 150mm
  • Pressure p : 6 bar (max)
  • Temperature t : -45 ….+1200C
  • Velocity v : 16 m/sec

Metal Bellow Mechanical

Materials
  • Faces : Carbon, Silicon Carbide, Tungsten Carbide.
  • Elastomers : Graphite, Perflouro, FEP.
  • Hardware : SS-316, AM-350, Hastelloy-C, Alloy-20
Operating
  • Pressure : 25 bar
  • Temperature : -40°C to 350°C
  • Speed : 20 m/s
  • Sizes : 25 mm to 100 mm
Application
  • High Temperature, Hydrocarbons & Critical Services

Boiler Feed Water Seals

Standard Style
  • Face Materials: Carbon/ Ceramic / Silicon Carbide / Tungsten Carbide
  • Metal Parts: SS 316, SS 304
  • Secondary Seal: Elastomers
Applications
  • Boiler feed water Pumps
  • HSD Pumps
  • Booster Pumps
  • Drip Pumps
  • Condensate Pumps
  • Fuel Oil Pumps
Seal Characteristics
  • Single acting
  • Balanced
  • Inside mounted
  • Dependent of direction of rotation
Operating Limits
  • Shaft Diameter d : 65 … 150 mm
  • Pressure p : 50 … 140 bar (max)
  • Temperature t : – 20 … +250O C (API plan 23)
  • Velocity v : more then 50 m/sec

Split Seals

Standard Style
  • Face Materials: Carbon / Silicon Carbide / Ceramic
  • Metal Parts: SS 316, SS 304
  • Secondary Seal: Elastomers
Applications
  • Utility Pumps
  • Transfer Pumps
  • Agitator and Vessels (As Dry Running Seal)
Seal Characteristics
  • Fully Split Components
  • Ease of Installation
  • Balanced Seal Faces
Operating Limits
  • Shaft Diameter d : 50….200 mm
  • Pressure p : 15 bar (max)
  • Temperature t : Amb…. 1400 C
  • Shaft speed : 3600 rpm (max)

High Pressure Seal

Standard Style
  • Face Materials: Carbon / Silicon Carbide / Tungsten Carbide
  • Metal Parts: SS 316, SS 304, Hastelloy-C,Titanium, Alloy-20, Monel
  • Secondary Seal: Elastomers
Applications
  • Oil Pipeline Pumps
  • Boiler Feed Water Pumps
Seal Characteristics
  • Single acting
  • Balanced
  • Inside Mounted
  • Independent of direction of rotation
  • Multiple springs design
  • Sturdy drive mechanism
Operating Limits
  • Shaft diameter d1 : 25…..115 mm
  • Pressure p : 25….150 bar
  • Temperature t : _ 40…..1800 C
  • Velocity v : 20 m/sec

Dry Seals

Materials
  • Housing: Stainless steel
  • Product-wetted parts: Stainless steel, Hastelloy, Titanium, special materials
  • Seal rings: Carbon, Silicon Carbide, Tungsten Carbide, etc
  • O-rings: Viton, EPDM, Perfluor elastomers, special elastic materials
  • FDA-approval: Possible for all product-wetted parts
Application
  • Flue gas desulfurization (FGD)
  • Hydrometallurgy
  • Pharmacy
  • Biotechnology
Application Limits
  • Vessel pressure: Vacuum …16 bar (abs.)
  • Vessel temperature:-50 … +200° C
  • Shaft size: 40 … 300 mm
  • Sliding speed: 5 m/s

Cartridge Single Acting

Standard Style
  • Face Materials: Tungsten carbide and ceramic, secondary seal
  • Metal Parts: SS 316, SS 304, Hastelloy – C, Hastelloy – B, Monel, Alloy – 20
  • Secondary Seal: Elastomers, TCV,PTFE
Applications
  • Food Products
  • Pharmaceutical Products
Seal Characteristics
  • Single acting
  • Reverse Balanced
  • Outside Mounted
  • Independent of Direction of rotation
  • Dry Running
Operating Limits
  • Shaft Diameter d : 15 …150mm*
  • Pressure p : Vacuum …. 8 bar (max)
  • Temperature t : Amb. …. 120O C (max)
  • Speed n : 320 rpm

Cartridge Double Acting

Standard Style
  • Face Materials: Carbon , Ceramic, Silicon Carbide, Tungsten Carbide, Lecrolloy
  • Metal Parts: SS 316, SS 304, Carbon Steel, Hastelloy-B,Hastelloy-C, Monel, Alloy – 20
  • Secondary Seal: Inboard – PTFE, GFT : Outboard – Elastomers
Applications
  • Petrochemicals and its vapours
  • General Chemicals and its vapours
  • Light hydrocarbons and its vapours
Seal Characteristics
  • Double acting Back to Back Seals
  • Balanced
  • Cartridge Unit
  • Independent of Direction of Rotation
  • Operated with Pressurised Barrier Fluid
Operating Limits
  • Shaft Diameter d : 25 …..150mm*
  • Pressure p : Vacuum …. 35 bar (max)
  • Temperature t : Amb. … 2000c (max)
  • Shaft speed n : 600 rpm. (max)
  • Barrier fluid pressure : Vessel pressure + 1.5 bar

Thermosyphon Vessel

Performance Limits
  • Capacity : 7.5 Liter
  • Hyd. Test Pressure : 30 Kg
  • Working Pressure : 20 Kg
  • Max. working temp.: 180°C
  • Heat Transfer area of cooling coil : 0.3m²
  • Cooling water flow rate
Metal Parts
  • Thermosyphon Shell : Carbon Steel / SS 316/SS304
  • Cooling Coil: SS 304 / SS 316>

Recommended: 12 Ltrs /min
Max. Level Value : 5.5 Ltrs
Min. Level Value : 3.5 Ltrs

Accessories
  • Pressure Gauge (0- 40 kg/c m²)
  • For Pressure Measuring of the vessel
  • Level Gauge For Liquid Level Indicate of the vessel
  • Hand Pump For recharge of the vessel With additional quantity of barrier fluid when Thermosyphon is under pressure and Liquid level is low.
Connection Size
  • Buffer fluid Inlet – A ½” NPT
  • Buffer fluid Outlet – B ½ NPT
  • Cooling water Inlet – C ½” NPT
  • Cooling water Outlet – D ½” NPT
  • Hand Pump Connection – E – ¼: NPT (Refilling Connection)
  • Filling Connection – F –1 ¼” NPT
  • Pressure Gas Connection – G ½” NPT
  • Pressure Gauge Connection – H 3/8″ NPT
  • Drain – I ½” NPT
  • Safety Valve Connection – J ½” NPT
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