Pusher Seals
SAM SEALS INDIA is a reputable pusher mechanical seal manufacturer. We are constantly fast to adapt to the most recent technology and are constantly looking for new developments and materials. Our goods reflect the findings of these studies, correctly addressing every aspect and meeting the needs and demands of our customers.
According to the needs of the goods, pusher seals can be used in a variety of industries for a variety of applications, including single, back-to-back, face-to-face, or tandem arrangements. A supplementary O-ring, which is incorporated into these pusher mechanical seals, prevents fluid from flowing between the pump shaft and the spinning seal face's inner diameter.
| Business Type | Manufacturer, Exporter, Supplier |
| Structure | Single End |
| Pressure | Low Pressure Mechanical Seals |
| Speed | General Speed Mechanical Seal |
| Temperature | General Temperature Mechanical Seal |
| Model No. | SSI-21 |
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. .
| Business Type | Manufacturer, Exporter, Supplier |
| Specialities | Good Quality |
| Sealing Type | Double Mechanical Seal |
| Surface of Application | Industrial |
| Pressure | Upto 10 Bar |
| Condition | New |
| Shape | Round |
| Finishing | Polished |
| Brand Name | Sam Steals India |
| Packaging Type | Carton Box |
| Number Of Flower | Double Mechanical Seal |
| Temperature | -20ºC to +220ºC |
| Speed | 20 m/s |
Reliable Double Mechanical Seal
Sam Seals India offers reliable sealing solutions for pumps, agitators, mixers, and rotating equipment where leakage control, safety, and uptime matter. A Double Mechanical Seal is the preferred choice when handling hazardous, toxic, corrosive, or high-temperature fluids, or when your process needs extra protection against seal failure. Compared to a single seal, it uses two sealing interfaces working together to reduce emissions, prevent product contamination, and increase equipment life.
In many industries—chemical, pharmaceutical, oil & gas, power, paper, and water treatment—double seals help maintain stable operation even under pressure fluctuations, dry-running risk, or abrasive media. With proper selection of seal faces, elastomers, and hardware materials, a double seal improves reliability while reducing unplanned shutdowns and maintenance cost.
At Sam Seals India, we focus on application-based sealing support so you get a solution that matches your media, speed, temperature, and operating pressure. Whether you need a cartridge style seal, balanced design, or a specific flush/plan arrangement, our goal is simple: safer operation and longer seal performance.
what is a double mechanical seal
A double mechanical seal is a sealing arrangement with two mechanical seals mounted in series—an inboard seal (process side) and an outboard seal (atmosphere side). Between them sits a barrier or buffer fluid that helps lubricate and cool the seal faces, while also acting as a protective layer. This design minimizes leakage to the environment and supports stable sealing in demanding applications.
Features:
- Double seal
- Balanced
- Independent of direction of rotation Cartridge unit
- Easy to install
- Single seals without connections with flush and with quench combined with lip seal or throttle ring.
- Additional variants available for ANSI pumps and eccentric screw pumps.
Application:
Generally cartridge multiple spring seal is used for slurries, sludges, syrups. The springs are isolated from media being sealed by dynamic elastomer.
- Single seals without connections with flush and with quench combined with lip seal or throttle ring.
- Additional variants available for ANSI pumps and eccentric screw pumps.
- Double pressure balanced
- Integrated pumping devise
- Ideal seal for standardizations
- Universal applicable for packings conversions, retrofits or original equipment
- No dimensional modification of the seal chamber (centrifugal pumps) necessary
- No damage of the shaft by dynamically loaded O-Ring
- Extended service life
- Straightforward and easy installation due to pre-assembled unit
- Individual adaptation to pump design possible
- Ideal seal for standardizations
- Universal applicable for packings conversions, retrofits or OEM
- No dimensional modification of the seal chamber (centrifugal pumps) necessary, small radial installation height
- No damage of the shaft by dynamically loaded O-Ring
- Extended service life
- No damage caused by dirt entered during assembly
- Straightforward and easy installation due to pre-assembled unit
- Individual adaptation to pump design possible
Applications
- Process industry
- Petrochemical industry
- Chemical industry
- Pharmaceutical industry
- Power plant technology
- Pulp and paper industry
- Water and waste water technology
- Mining industry
- Food and beverage industry
- Sugar industry
Operating Condition:
- Temperature : -20ºC to +220ºC
- Pressure : Upto 10 bar
- Speed : 20 m/s
| Business Type | Manufacturer, Exporter, Supplier |
| Pressure | 0.8 MPa Or Less |
| Structure | Single End |
| Temperature | - 20 ~ 150 ºC |
| Linear Speed | 15 m/s or less |
| Model No. | SSI-91 |
Basic Features
- Structure: Single End
- Pressure: Low Pressure Mechanical Seals
- Speed: General Speed Mechanical Seal
- Temperature: General Temperature Mechanical Seal
- Performance: Wear
- Standard: JB/T1472
- Model NO.: SSI-91
- Balance: Unbalanced
- Specification: Inner Diameter: 16 mm to 120 mm
Type SSI-91 Mechanical Seal for Chemical Centrifugal Pumps, Screw Pumps, and Sewage Pumps
Structural Features: single end, single spring, unbalanced, independent direction of rotation, lug transmission. This component has a simple structure and high reliability.
Industrial Standards: JB/T1472
Scopes of Application: designed for chemical pumps, screw pumps, oil pumps, and paper making equipment, mainly used in oil refining, chemical engineering, chemical product transportation, water treatment, chemical fiber and other industries.
Operation Parameters:
- Pressure: 0.8 MPa or less
- Temperature: – 20 ~ 150 ºC
- Linear Speed: 15 m/s or less
Materials:
- Rotary Ring: SiC/TC
- Stationary Ring: Carbon/SiC/TC
- Elastomers: NBR/EPDM/Viton/PTFE
- Springs: SS304/SS316
- Metal Parts: 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.
| Business Type | Manufacturer, Exporter, Supplier |
| Seal Faces | Carbon Vs Sic./TC |
| Secondary Seals | Viton/PTFE/GFT |
| Metal Components | SS-316 |
| Shaft Dia. | 10 to 150mm |
| Pressure | Up to 30 Bars |
| Speed | Up to 15 m/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
| Business Type | Manufacturer, Exporter, Supplier |
| Pressure | P=0…1.0Mpa（145psi） |
| Temperature | t = -40 °C …150 °C(-40°F to 302°F) |
| Sliding Velocity | Vg≤10m/s（32.8ft/m） |
| Shaft diameter | d1=18…100mm |
| Model | SSI-20 |
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 options widely used in general corrosive chemical pump, Sewage pumps and industrial pumps
- O-ring pusher construction.
- Transmission by typical large spring, independent of direction of rotation
- Single seal, unbalanced.
- Low risk of clogging in solids content or viscous liquids
- Petrochemical industry and sewage treatment industry
- Low solids content or viscous media
- Sewage pumps and industrial pumps and chemical pumps.
- Other Rotating Equipment.
- Shaft diameter: d1=18…100mm
- Pressure: p=0…1.0Mpa（145psi）
- Temperature: t = -40 °C …150 °C(-40°F to 302°F)
- Sliding velocity: Vg≤10m/s（32.8ft/m）
| Business Type | Manufacturer, Exporter, Supplier |
| Pressure | Medium Pressure Mechanical Seals |
| Temperature | – 20 ~ 150 ºC |
| Linear Speed | 15 m/s or less |
| Structure | Single End |
Basic Features
- Structure: Single End
- Pressure: Medium Pressure Mechanical Seals
- Speed: General Speed Mechanical Seal
- Temperature: General Temperature Mechanical Seal
- Performance: Wear and Corrosion
- Standard: ISO3069, GB6556, DIN24960
- Model NO.: TYPE SSI-20 SPL
- Balance: Unbalanced
- Specification: Inner Diameter: 25 mm to 100 mm
SSI-20 SPL Single Spring Mechanical Seal for Water Pumps, Circulating Pumps and Vacuum Pumps
Structural Features: single end and single spring, unbalanced, fixed rotary direction and spring coil driven. The spring coil driven structure has a fixed rotary direction. The structure of this seal is simple and the cost is low. This seal component has a wide usage and is stable and reliable.
Industrial Standards: ISO3069, GB6556, DIN24960
Scopes of Application: widely used in petrochemical engineering, oil refining, chemical processing, chemical fibering, water treatment and chemical transportation.
Operation Parameters:
- Pressure: 0.8 MPa or less
- Temperature: – 20 ~ 150 ºC
- Linear Speed: 15 m/s or less
Materials:
- Rotary Ring: SiC/TC
- Stationary Ring: Carbon/SiC/TC
- Elastomers: NBR/EPDM/FFKM/Aflas/PTFE
- Springs: SS304/SS316
- Metal Parts: 2Cr13/SS304/SS316
Mediums: oil, water, amorphism acid, alkali, and organic solvents.
Customization: Changes of materials for getting other operating parameters are possible. Contact us with your requirements.
| Business Type | Manufacturer, Exporter, Supplier |
| Speed | General Speed Mechanical Seal |
| Temperature | High Temperature Mechanical Seal |
| Pressure | Medium Pressure Mechanical Seals |
| Structure | Single-End |
| Model No. | SSI-21JB & 21J |
Reliable Water Pump Mechanical Seals
Water pump mechanical seals are vital components that prevent leakage in water pumps, ensuring smooth operation and long-lasting performance. These seals play a crucial role in protecting the pump's motor and other internal components from water damage, pressure variations, and contaminants. By providing a tight, reliable seal between rotating and stationary parts, they reduce wear and tear, enhance the efficiency of the pump, and reduce the risk of costly downtime. Available in various designs and materials, including elastomers, metals, and ceramic, these seals are tailored to meet the specific needs of different water pumping systems.
Whether used in residential, industrial, or agricultural applications, water pump mechanical seals are indispensable in maintaining the integrity of pumps in diverse environments. They ensure minimal maintenance, better energy efficiency, and increased reliability, even under high-pressure conditions.
Water Pump Mechanical Seal Suppliers
When it comes to sourcing high-quality water pump mechanical seals, choosing the right supplier is essential. Leading water pump mechanical seal suppliers offer a broad range of seals that meet global standards for performance and durability. These suppliers provide customized sealing solutions for various water pumps, catering to industries such as agriculture, manufacturing, and municipal water systems.
Partnering with a trusted supplier ensures access to durable, reliable, and cost-effective mechanical seals designed to enhance the longevity and efficiency of your water pumps. Make sure to select a supplier with a proven track record and expertise in water pump seal technology.
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.
| Business Type | Manufacturer, Exporter, Supplier |
| Secondary Seals | EPDM , NBR FKM , FFKM |
| Standards and Approvals | EN 12756 |
| Pack Type | Carton Box |
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
