Sealproof Engineering

What Sealproof Engineering does

Sealproof Engineering is an India-based, privately held manufacturer of mechanical shaft seals and chemical process pumps, founded in 1984 and operated from a single facility in Mumbai, Maharashtra. The company offers two product lines: a mechanical shaft seal portfolio of 13+ configurations (pusher, single/multi-spring, Teflon and metal bellow, cartridge single/double acting, split, dry-running, high-pressure, boiler-feed-water, and a thermosyphon seal support vessel), and a chemical process pump portfolio of 13+ configurations (centrifugal, self-priming, polypropylene, dairy/hygienic, heavy-duty, vertical, Teflon-lined, magnetic-drive seal-less, rotary gear, monoblock, and spares). Products are built to interchange with established international seal brands (John Crane, Dura-metallic, Sealol/Burgmann, Flexibox) and conform to standards such as DIN 24256/ISO 2858 and API 610, using corrosion-resistant materials including super alloys, PTFE/PFA linings, PVDF, polypropylene and ceramic face materials.

The company serves industrial customers in pharmaceutical, chemical, paper mill and shipping segments, with disclosed testimonials from Max Flow Industries and Advatech Industries referencing installations of over 50 process pumps and aftermarket service for pumps, reactors and agitators. Its go-to-market is direct industrial sales through its website and inquiry forms, with no disclosed pricing, no public distributor network, no certifications listed, and no digital marketing presence beyond a basic content site. The business is micro in scale (1-10 employees) and appears to be founder/owner-operated.

Revenue mechanics are not disclosed. No pricing model, revenue figure, funding rounds, investor base, partnerships, or third-party certifications are publicly available. The company's stated positioning is that of an indigenous Indian export substitute for imported seals and pumps, leveraging a domestic cost base to compete with multinational incumbents on technical specification and interchangeability rather than on brand or scale.

Name

Sealproof Engineering

Legal name

Seal Proof Engineering

Website

https://sealproof.com

Company type

Private

Founded year

1984

Operating status

Operating

Headcount range

1–10 employees

Short description

Sealproof Engineering is a privately held Indian manufacturer, founded in 1984 in Mumbai, that produces mechanical shaft seals and chemical process pumps for pharmaceutical, chemical, paper mill and shipping customers, positioning its products as interchangeable alternatives to international seal brands.

Ownership category

akta.pro rank

Product category

Industrial Pumps and Mechanical Seals

NAICS

Gasket, Packing, and Sealing Device Manufacturing (339991), Pump and Compressor Manufacturing (33391)

SIC

Gaskets, Packg & Sealg Devices & Rubber & Plastics Hose (3050), Pumps & Pumping Equipment (3561)

akta.pro primary industry

Seals, Valves & Auxiliary Components (for Pumps/Compressors) (IMAHANAH)

akta.pro secondary industry

Seals, Gaskets & Fluid Connectors (O-rings, packings, rotary seals, quick couplers) (IMAHAGAI)

Keywords

• Mechanical shaft seals
• Chemical process pumps
• Industrial fluid handling
• Corrosion resistant pumps
• Centrifugal process pumps

Headquarters

HQ city

Mumbai

HQ country

India

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Marketing or Sales

Distribution channels1 record

Marketing channels1 record

Core offering

Sealproof Engineering manufactures mechanical shaft seals and chemical process pumps for industrial fluid handling. The product portfolio includes single spring, multi spring, pusher, bellow, cartridge, split, dry, boiler feed, and high pressure mechanical seals, alongside centrifugal, polypropylene, dairy, magnetic, self-priming, vertical, monoblock, rotary gear, heavy-duty, and Teflon-lined chemical process pumps. These products are sold to pharmaceutical, chemical, paper mill, and shipping industry customers as direct equipment purchases and replacement parts.

Product overview

Sealproof Engineering is a manufacturer of mechanical shaft seals and chemical process pumps established in 1984 in India. The company offers two main product lines: Mechanical Shaft Seals (including Pusher Seals, Single Spring Seals, Multi Spring Seals, Textile Seals, Teflon Bellow Seals, Metal Bellow Mechanical Seals, Boiler Feed Water Seals, Split Seals, High Pressure Seals, Dry Seals, Cartridge Single Acting Seals, Cartridge Double Acting Seals, and Thermosyphon Vessels) and Chemical Process Pumps (including Chemical Process Pumps, Polypropylene Pumps, Dairy Pumps, Centrifugal Pumps, Boiler Feed Self Priming Pumps, Self Priming Pumps, Heavy Duty Pumps, Vertical Pumps, Teflon Lined Pumps, Magnetic Pumps, Rotary Gear Pumps, Monoblock Pumps, and spare parts). Their products serve pharmaceutical, chemical, paper mills, and shipping industries, designed to match specifications of John Crane, Dura-metallic, Sealol Bug-Mann, and Flexibox brands.

Differentiator

Problem solved

Functional benefit

Products and services

• Pusher Seals Standard style single-acting unbalanced mechanical shaft seal with inside mounting, suitable for water pumps, circulation pumps, chemical process pumps, and sewage pumps. Face materials include Stellite, Carbon, Ceramic, Tungsten Carbide, Silicon Carbide, and Lecrolloy.
• Single Spring Seal Industrial balanced/unbalanced mechanical seal with inside and outside mounting capability, independent of direction of rotation. Torque transmission via secondary seal with face materials including Carbon/Stellite, Lecrolloy, Ceramic, Silicon Carbide, and Plasma Sprayed Ceramic.
• Multi Spring Seal Hydraulically balanced seal design with near-universal applicability and interchangeability with conventional seals and gland packings. Available in Type 707 (16-150mm, 35 bar, 205°C) and Type 808 (108-150mm) configurations.
• Textile Seal Specialized seal designed for caustic, acidic, and sodium hydrogen carbonate applications in the textile industry. Features carbon, silicon carbide, and tungsten carbide sealing faces with Viton, EPDM, silicon, Aflas, PTFE, or Hypalon elastomers.
• Teflon Bellow Seals Corrosion-resistant seal with PTFE bellows design available in multi-spring and single-spring configurations for extremely corrosive services with outside mounting. Operating limits: 19mm to 150mm shaft diameter, 6 bar max pressure, -45°C to +120°C.
• Metal Bellow Mechanical Seals High-performance seal designed for high-temperature hydrocarbon and critical services. Operating pressure up to 25 bar, temperature range -40°C to 350°C, speed up to 20 m/s, sizes 25mm to 100mm.
• Boiler Feed Water Seals Balanced mechanical seal designed for boiler feed water pumps, HSD pumps, booster pumps, and condensate pumps. Pressure range 50-140 bar, temperature up to 250°C (API plan 23), velocity exceeding 50 m/sec, shaft diameter 65-150mm.
• Split Seals Fully split component utility seal designed for transfer pumps, agitators, and vessels with balanced seal faces and ease of installation. Operating limits: 50-200mm shaft diameter, 15 bar max pressure, up to 140°C, 3600 rpm max speed.
• High Pressure Seals Sturdy multiple springs design seal for oil pipeline pumps and boiler feed water pumps with inside mounting. Operating pressure 25-150 bar, temperature -40°C to 180°C, shaft diameter 25-115mm.
• Dry Seals Dry-running seal suitable for flue gas desulfurization, hydrometallurgy, pharmacy, and biotechnology applications. Vessel pressure from vacuum to 16 bar absolute, vessel temperature -50°C to +200°C, shaft size 40-300mm.
• Cartridge Single Acting Seals Pre-assembled reverse balanced cartridge seal with outside mounting for food and pharmaceutical products, independent of rotation direction, dry running capable. Shaft diameter 15-150mm, vacuum to 8 bar pressure, ambient to 120°C, 320 rpm max speed.
• Cartridge Double Acting Seals Double acting back-to-back cartridge seal unit operated with pressurised barrier fluid for petrochemicals, general chemicals, and light hydrocarbons. Shaft diameter 25-150mm, vacuum to 35 bar pressure, ambient to 200°C, 600 rpm max speed.
• Thermosyphon Vessel Seal support system with 7.5L capacity, 20kg working pressure, 180°C max temperature, and 0.3m² cooling coil heat transfer area. Includes pressure gauge, level gauge, and hand pump for barrier fluid recharging.
• Chemical Process Pumps Horizontal, foot-mounted, single-stage centrifugal pumps with end suction and top centerline discharge conforming to DIN 24256/ISO 2858 and API 610 standards. Capacity up to 1100 M3/Hr, head up to 150 Mtr, sizes DN 25-300mm, temperature up to 350°C.
• Polypropylene Pumps Corrosion-resistant PP/PVDF/UHMWP construction pumps for effluent treatment, water treatment plants, drugs and pharmaceuticals, fertilizer plants, and thermal power plants. Capacity up to 100 M3/Hr, head up to 55 Mtr, temperature 80°C-140°C.
• Dairy Pump Hygienic standardized centrifugal pump designed for dairy, food and beverage, and personal care industries meeting CIP duties requirements with solid hygienic design and easy, low-cost maintenance.
• Centrifugal Pumps General-purpose centrifugal pumps with non-clogging tendency, handling light slurries. Features dynamically balanced impeller, grease/oil lubricated bearing, less noise, no vibration. Capacity up to 80 M3/Hr, head up to 62 Mtr, DN 25-50mm sizes.
• Boiler Feed Self Priming Pump Self-priming pump for boiler feeding, power plant cooling towers, edible castor oil circulation, lubrication oils, high pressure testing, and condensate recovery. Capacity up to 20 M3/Hr, head up to 250 Mtr, pressure 26 bar.
• Self Priming Pumps Versatile self-priming pump for effluent/sewage treatment, petroleum products, incinerator, agriculture, dewatering, swimming pools, ceramic, steel plant, slurry handling, and marine applications. Capacity up to 650 M3/Hr, head up to 50 Mtr.
• Heavy Duty Pump Heavy-duty industrial pump for acids, alkalies, hydrocarbons, chemical effluents, seawater, condensates, and heavy chemicals. Flow capacity up to 2,000 m3/hr, head up to 150 m, delivery size 25-350mm, temperature -30°C to 160°C (up to 450°C for S-type).
• Vertical Pumps Vertical configuration pumps for circulation of industrial water, acidic water treatment in metal and sewage treatment plants, and chemical waste water handling. Materials include Carbon Steel, WCB, CF3M, Alloy-20, PVDF, and Polypropylene.
• Teflon Lined Pump Corrosion-resistant pump with PFA, FEP, or PVDF Teflon lining for chemical processing, drugs and pharmaceuticals, food processing, fumes scrubbing, agro chemicals, tanneries, and paper/pulp industries.
• Magnetic Pump Magnetically-driven seal-less pump with flow 1-520 Ltrs/min and head 1-26 Mtr. Construction in GFRPP/PVDF or S.S.316 for leak-free chemical transfer.
• Rotary Gear Pumps Positive displacement rotary gear pump for viscous and semi-viscous liquids including LDO, hot grease, F.O., syrups, bitumen, resins, pigments, glycerine, and food applications. Capacity up to 125 M3/Hr, head up to 17 Kg/Cm2, viscosity handling up to 100,000 CST.
• Monoblock Pumps Compact monoblock design pump for industrial water boosting, water supply schemes, commercial complexes, irrigation, air conditioning, and cooling towers. Capacity up to 120 M3/Hr, head up to 60 Mtr.

Named customers2 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Scale indicators2 records

Recent moves5 records

Expansion highlights4 records

Direct peers

• Hi-Tech Seals: India-based mechanical seal manufacturer offering pusher, cartridge, and bellow seal designs for chemical process pumps. Comparable product breadth, materials expertise, and target verticals to Sealproof.
• Sealmatic India: India-based manufacturer of mechanical seals and gland packings serving chemical, pharma, and process industries. Closest domestic direct competitor to Sealproof's seal product line, with similar import-substitution positioning and customer segments.
• Hi-Fab Engineers: Indian manufacturer of mechanical shaft seals and chemical process pumps headquartered in Mumbai. Operates in the same niche with overlapping product lines (pusher, cartridge, bellow seals) and serves pharmaceutical and chemical customers.
• Findlay Engineers: Indian mechanical seal manufacturer specializing in industrial pump seals with interchangeability to international standards. Directly comparable in scale, product mix, and customer focus to Sealproof.
• Leak-Proof Engineering (LPE): Indian manufacturer of mechanical seals and sealing systems for pumps and process equipment. Direct competitor in the domestic chemical and pharmaceutical pump-seal replacement market.

Broad incumbents

• John Crane: Global market leader in mechanical seals and engineered bearings, owned by Smiths Group. Sealproof explicitly positions its seals as interchangeable with John Crane products, making it the dominant incumbent whose installed base Sealproof targets for replacement.
• EagleBurgmann: World-leading manufacturer of mechanical seals and expansion joints (formerly Burgmann). Directly named by Sealproof as a reference standard for interchangeability, and competes in the same chemical, pharma, and paper end-markets across India.
• Flowserve Corporation: Major global supplier of pumps, seals, valves, and related flow-control equipment. Overlaps with Sealproof across both mechanical seals and chemical process pumps for industrial customers in chemical and power applications.
• Sulzer: Swiss industrial group with a leading chemical-process pump portfolio (per API 610 standards) and rotating-equipment services. Competes with Sealproof's chemical process pump line for demanding chemical and petrochemical applications.
• IDEX India (Gast, Viking, SUNDYNE channel): US-listed diversified fluidics group with multiple pump and seal brands. Competes in similar centrifugal and chemical-process pump applications and represents the type of multi-brand global consolidator that out-resources Sealproof in pursuit of large accounts.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/seal-proof-engineering

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Sealproof Engineering