Our Products
We offer a complete product range of Impa 591704 Air Operated Stainless Steel Diaphragm Pump 1-1/2 (40 Mm), Mpa 591702 Air Operated Stainless Steel Diaphragm Pump 1 (25 Mm) I, Impa 591707 Air Operated Stainless Steel Diaphragm Pump 2 (50 Mm), Impa 591601 Air Operated Diaphragm Pump 1 (25 Mm, Aluminium/neoprene) and 591611 Sempo Plastic Air Operated Diaphragm Pump
The Sempo Air-Operated Stainless Steel Diaphragm Pump (IMPA 591704) is engineered for sterile, abrasive, and corrosive fluid handling applications. With a 1-1/2 (40 mm) stainless-steel body and compressed air-driven operation, this pump ensures spark-free, explosion-proof, and hygienic performance. Its durable design, minimal maintenance, and easy installation make it ideal for marine, industrial, food-grade, and pharmaceutical processes.
Key Features & BenefitsStainless Steel Body Corrosion-resistant and sanitary operation
Compressed Air Operated Explosion-proof, no electrical hazards
For Sterile & Abrasive Fluids Handles food-grade, chemical, and slurry applications
Low Maintenance Precision-built for extended service life
Spare Diaphragm Available Quick replacement minimizes downtime
Compact & Lightweight Easy installation and portability
Durable & Cost-Effective Long-lasting performance in harsh environments
Ideal ApplicationsFood & Beverage Processing Hygienic transfer of liquids
Pharmaceutical & Chemical Industry Safe for corrosive and aggressive fluids
Abrasive & High-Viscosity Fluids Handles slurries and thick liquids
Marine & Industrial Use Dependable for onboard and plant operations
Hazardous & Explosion-Prone Zones Spark-free pumping for flammable environments
Export quality stainless-steel diaphragm pump
Proven performance in marine & industrial sectors
Spare parts support and bulk orders available
Contact us today for datasheets, pricing, and export availability.
The Sempo Air-Operated Diaphragm Pump (IMPA 591702) is designed for corrosion-resistant, sterile, and abrasive fluid handling applications. With a stainless-steel body and air-driven operation, it ensures spark-free, explosion-proof, and hygienic performance in marine, industrial, and process industries. Its compact design, low maintenance, and long service life make it a reliable and cost-effective pumping solution.
Key Features & BenefitsStainless Steel Construction Corrosion-resistant, strong, and hygienic
Compressed Air Operated No electricity needed, explosion-proof operation
Handles Sterile & Abrasive Fluids Food-grade, pharma, and aggressive chemicals
Minimal Downtime Precision-assembled with quick spare diaphragm replacement
Compact & Lightweight Easy to install and operate
Durable & Cost-Effective Long service life with reduced maintenance costs
Product Name: Air Operated Diaphragm Pump (Stainless Steel)
Pump Size: 1 (25 mm)
IMPA Code: 591702
Operation: Compressed Air Driven
Body Material: Stainless Steel
Spare Parts: Diaphragm Available
Food & Beverage Processing Sterile & hygienic fluid transfer
Pharmaceutical & Chemical Industries Aggressive & corrosive fluids
Abrasive & High-Viscosity Liquids Slurries and thick fluids
Marine & Industrial Operations Reliable onboard and factory use
Hazardous Zones Spark-free operation in explosion-prone environments
High-performance marine & industrial pumps
Export quality with reliable spare support
Bulk supply and customization available
Contact Us Today for pricing, technical datasheets, and export orders.
The Sempo Air-Operated Stainless Steel Diaphragm Pump (IMPA 591707) is a high-performance fluid handling solution built for sterile, abrasive, and corrosive applications. With its robust stainless-steel body and compressed air-driven system, this pump guarantees explosion-proof, hygienic, and reliable performance. Engineered for efficiency and durability, it ensures minimal maintenance while delivering superior output in marine, industrial, food-grade, and pharmaceutical operations.
Key Features & BenefitsStainless Steel Body Corrosion-resistant, hygienic, and durable
Air Operated Pneumatic, spark-free, and explosion-proof design
Handles Sterile & Abrasive Fluids Suitable for pharma, food, and slurry-based fluids
Long Service Life Precision-engineered for reduced downtime
Spare Diaphragm Available Easy replacement minimizes operational disruption
Compact & Efficient Lightweight design, easy to install and operate
Cost-Effective Strong performance with low maintenance requirements
Key Features & Benefits
Compressed Air Operated – No electricity required; ideal for explosion-proof environments
Lightweight & Durable Aluminium Casing – Corrosion-resistant and easy to handle
Neoprene Internals – Provides smooth fluid transfer with chemical resistance
Low Maintenance – Simple design facilitates quick diaphragm replacement
Cost-Effective & Reliable – Optimized for general-purpose fluid transfer in marine and industrial settings
Ideal Applications
General Fluid Transfer – Suitable for water, mild chemicals, and oils
Marine & Shipboard Use – Reliable for onboard fluid movement and bilge pumping
Industrial Processing – Ideal for handling mild chemicals and waste fluids
Hazardous Environments – Safe for spark-free operations in explosion-prone areas
IMPA 591611 Sempo P-1 Air-operated diaphragm pump with plastic body for lightweight, corrosion-resistant applications"
Air Operated Diaphragm Pump (Plastic) – Chemical-Resistant & Low-Maintenance
The Air Operated Plastic Diaphragm Pump (½″ / 15 mm, IMPA 591611) is designed for high chemical resistance and long-lasting performance, making it ideal for acidic, caustic, and abrasive fluid handling applications. Constructed with a durable polypropylene casing and Teflon (PTFE) diaphragms, balls, and valve seats, this pump ensures superior resistance to harsh chemicals and abrasives, extending its operational lifespan.
Key Features & Benefits:
Polypropylene Casing – Provides lightweight durability and excellent chemical resistance Teflon (PTFE) Diaphragms, Balls & Valve Seats – Ensures resistance to aggressive chemicals and abrasives Compressed Air Operated – Spark-free and explosion-proof operation, making it safe for hazardous environments Long Flex Life – Designed for extended operation and minimal wear Spare Diaphragm Available – Quick and easy replacement, reducing downtime Low-Maintenance & Easy to Operate – Compact and lightweight for hassle-free handling
Technical Specifications:
Pump Size: ½″ (15 mm) IMPA Code: 591611
Ideal Applications:
Acidic & Caustic Fluid Transfer – Suitable for handling strong acids, bases, and aggressive chemicals Abrasive Applications – Designed to withstand fluids containing particulates Marine & Industrial Use – Ideal for corrosive fluid pumping in shipboard and industrial settings Hazardous Environments – Safe for spark-free, explosion-proof operations
Built for chemical resistance, efficiency, and long-term performance, the Air Operated Plastic Diaphragm Pump is an ideal solution for demanding fluid transfer applications.
Contact us today for specifications, bulk orders, or spare parts availability!
Air Operated Diaphragm Pump (Plastic) – High-Performance Chemical Transfer Solution
The Air Operated Plastic Diaphragm Pump (1″ / 25 mm, IMPA 591612) is engineered for superior chemical resistance, durability, and efficiency, making it ideal for handling aggressive chemicals, acidic/caustic liquids, and abrasive fluids. Built with a polypropylene casing and Teflon (PTFE) diaphragms, balls, and valve seats, this pump offers exceptional resistance to chemical corrosion, abrasion, and temperature variations, ensuring a long flex life and reliable performance.
Key Features & Benefits:
Polypropylene Casing – Lightweight, chemically resistant, and durable Teflon (PTFE) Diaphragm, Balls & Valve Seats – Ensures maximum resistance to aggressive fluids and high temperatures Compressed Air Operated – No electricity required, providing spark-free, explosion-proof operation Abrasive & Corrosive Fluid Compatibility – Handles acidic, caustic, and particle-laden liquids with ease Long Flex Life – Designed for extended diaphragm durability and minimal maintenance Spare Diaphragm Available – Ensures quick replacement and reduced downtime Compact & Easy to Install – Lightweight and efficient, making it simple to operate and maintain
Technical Specifications:
Pump Size: 1″ (25 mm) IMPA Code: 591612
Ideal Applications:
Chemical & Acidic Liquid Transfer – Safe handling of highly corrosive and reactive chemicals Abrasive Fluid Pumping – Effective for particle-laden and slurry-like liquids Marine & Industrial Processing – Reliable in shipboard, wastewater, and chemical industries Hazardous & Explosion-Prone Environments – Safe for spark-free applications in flammable areas
Designed for exceptional chemical compatibility, durability, and efficiency, the Air Operated Plastic Diaphragm Pump (1″ / 25 mm) is a cost-effective and long-lasting choice for industrial and marine fluid handling needs.
Contact us today for specifications, bulk orders, or spare parts availability!
IMPA 591614 Sempo P 8 air operated diaphragm pump with plastic body for lightweight, corrosion resistant industrial applications
Air Operated Diaphragm Pump (Plastic) – High-Performance Chemical & Abrasion Resistance
The Air Operated Plastic Diaphragm Pump (2″ / 50 mm, IMPA 591614) is a durable and efficient pump designed for handling aggressive chemicals, acidic/caustic liquids, and abrasive fluids. Constructed with a polypropylene casing and Teflon (PTFE) diaphragms, balls, and valve seats, this pump provides exceptional chemical resistance, abrasion resistance, and long-term reliability in marine and industrial applications.
Key Features & Benefits:
Polypropylene Casing – Lightweight, corrosion-resistant, and durable PTFE (Teflon) Diaphragm, Balls & Valve Seats – Ensures maximum resistance to aggressive fluids and high temperatures Compressed Air Operated – No electricity required, ensuring spark-free and explosion-proof operation Abrasive & Corrosive Fluid Compatibility – Handles acidic, caustic, and particle-laden liquids Long Flex Life – Engineered for extended diaphragm durability and minimal wear Spare Diaphragm Available – Allows for quick replacement and minimal downtime Compact & Lightweight Design – Easy to install, operate, and maintain
Technical Specifications:
Pump Size: 2″ (50 mm) IMPA Code: 591614
Ideal Applications:
Chemical & Acidic Liquid Transfer – Suitable for highly corrosive and reactive chemicals Abrasive Fluid Pumping – Efficient for particle-laden and slurry-like liquids Marine & Industrial Processing – Reliable for shipboard, wastewater, and chemical industries Hazardous & Explosion-Prone Environments – Safe for spark-free operations in flammable areas
With its rugged construction, superior chemical compatibility, and efficient performance, the Air Operated Plastic Diaphragm Pump (2″ / 50 mm) is a cost-effective and long-lasting solution for industrial and marine fluid handling needs.
Contact us today for specifications, bulk orders, or spare parts availability!
IMPA 591613 Sempo P4 airoperated diaphragm pump with plastic body for lightweight, corrosionresistant industrial applications.
Air Operated Diaphragm Pump (Plastic) – Superior Chemical & Abrasion Resistance
The Air Operated Plastic Diaphragm Pump (1-1/2″ / 40 mm, IMPA 591613) is specifically designed for handling aggressive chemicals, acidic/caustic liquids, and abrasive fluids. Built with a polypropylene casing and PTFE (Teflon) diaphragms, balls, and valve seats, this pump provides exceptional resistance to chemical corrosion, abrasion, and high temperatures, ensuring long-lasting performance and reliability.
Key Features & Benefits:
Polypropylene Casing – Lightweight, corrosion-resistant, and durable PTFE (Teflon) Diaphragm, Balls & Valve Seats – Ensures maximum resistance to aggressive fluids and high temperatures Compressed Air Operated – No electricity required, ensuring spark-free and explosion-proof operation Ideal for Abrasive & Corrosive Fluids – Handles acidic, caustic, and particle-laden liquids Long Flex Life – Designed for extended diaphragm durability and minimal wear Spare Diaphragm Available – Allows for quick replacement and minimal downtime Compact & Lightweight Design – Easy to install, operate, and maintain
Technical Specifications:
Pump Size: 1-1/2″ (40 mm) IMPA Code: 591613
Ideal Applications:
Chemical & Acidic Liquid Transfer – Safe handling of highly corrosive and reactive chemicals Abrasive Fluid Pumping – Effective for particle-laden and slurry-like liquids Marine & Industrial Processing – Reliable for shipboard, wastewater, and chemical industries Hazardous & Explosion-Prone Environments – Safe for spark-free operations in flammable areas
Built for exceptional chemical compatibility, efficiency, and durability, the Air Operated Plastic Diaphragm Pump (1-1/2″ / 40 mm) is a cost-effective and long-lasting solution for marine and industrial fluid handling applications.
Contact us today for specifications, bulk orders, or spare parts availability!
IMPA 591602 Sempo DP40 Diaphragm pump Pneumatic, 1.5-inch aluminium/bunaN, oil resistant for industrial fluid control
Air Operated Diaphragm Pump (Aluminium/Neoprene) – Durable & Low-Maintenance Fluid Transfer
The Air Operated Diaphragm Pump (Aluminium/Neoprene) is designed for simple operation and low-maintenance service, making it an efficient and reliable choice for fluid transfer applications. With its lightweight yet durable aluminium casing and neoprene internal components (diaphragm, balls, and valve seat), this pump is ideal for general-purpose, non-aggressive liquids.
Key Features & Benefits:
Aluminium Casing – Ensures durability and corrosion resistance Neoprene Diaphragm, Balls & Valve Seat – Suitable for mild chemical and non-aggressive fluid transfer Compressed Air Operated – Spark-free and explosion-proof operation, ideal for hazardous environments Spare Diaphragm Available – Allows for quick and easy maintenance, reducing downtime Lightweight & Compact Design – Ensures easy handling and installation
Technical Specifications:
Pump Size: 1-1/2″ (40 mm) IMPA Code: 591602
Ideal Applications:
General Fluid Transfer – Suitable for water, mild chemicals, and industrial liquids Marine & Shipboard Use – Efficient for onboard fluid movement Industrial Processing – Ideal for chemical, oil, and waste fluid handling Hazardous Environments – Safe for spark-free operations in explosion-prone areas
Designed for efficiency, safety, and longevity, the Air Operated Diaphragm Pump (Aluminium/Neoprene) is a cost-effective and low-maintenance solution for marine and industrial fluid handling applications.
Contact us today for specifications, bulk orders, or spare parts availability!
IMPA 591603 Sempo P8 air-operated Diaphragm pump, 2-inch, aluminium case (Ex. T8, M8) for industrial applications
Air Operated Diaphragm Pump (Aluminium/Neoprene) – Efficient & Low-Maintenance Fluid Transfer
The Air Operated Diaphragm Pump (Aluminium/Neoprene) is designed for easy operation and straightforward maintenance, making it an ideal choice for general-purpose fluid transfer applications. Constructed with a durable aluminium casing and neoprene internal components (diaphragm, balls, and valve seat), this pump ensures reliable performance and long-lasting durability.
Key Features & Benefits:
Aluminium Casing – Lightweight, strong, and corrosion-resistant for marine and industrial applications Neoprene Diaphragm, Balls & Valve Seat – Provides smooth operation and chemical resistance for non-aggressive fluids Compressed Air Operated – No electricity required, ensuring spark-free and explosion-proof operation Spare Diaphragm Available – Quick and easy part replacement to minimize downtime Compact & Portable Design – Simple installation and maintenance for hassle-free use
Technical Specifications:
Pump Size: 2″ (50 mm) IMPA Code: 591603
Ideal Applications:
General Fluid Transfer – Suitable for water, mild chemicals, and industrial liquids Marine & Shipboard Use – Effective for onboard fluid movement and bilge pumping Industrial Processing – Handles oil, wastewater, and chemical transfer Hazardous Environments – Safe for spark-free and explosion-proof applications
Designed for durability, safety, and efficiency, the Air Operated Diaphragm Pump (Aluminium/Neoprene) is a cost-effective and reliable solution for marine and industrial fluid handling needs.
Contact us today for specifications, bulk orders, or spare parts availability!
IMPA 591604 Sempo PS15 Air-operated Diaphragm pump, 3-inch aluminium case (Ex. T15, M15, P15) for industrial applications
Air Operated Diaphragm Pump (Aluminium/Neoprene) – Reliable & Low-Maintenance Fluid Handling
The Air Operated Diaphragm Pump (Aluminium/Neoprene) is engineered for simple operation and low-maintenance performance, making it an efficient and dependable solution for general-purpose, non-aggressive fluid handling. Featuring a durable aluminium casing and neoprene internals (diaphragm, balls, and valve seat), this pump ensures smooth operation and long-lasting durability in marine and industrial environments.
Key Features & Benefits:
Aluminium Casing – Lightweight, durable, and corrosion-resistant for extended service life Neoprene Diaphragm, Balls & Valve Seat – Provides efficient fluid transfer with chemical resistance for non-aggressive liquids Compressed Air Operated – No electrical components, ensuring spark-free and explosion-proof operation Low-Maintenance Design – Spare diaphragm available for quick replacement and minimal downtime Easy Installation & Portable – Compact and lightweight, allowing for hassle-free handling
Technical Specifications:
Pump Size: 3″ (75 mm) IMPA Code: 591604
Ideal Applications:
General Fluid Transfer – Efficient for water, mild chemicals, and industrial liquid movement Marine & Shipboard Use – Reliable for onboard fluid pumping and bilge applications Industrial Processing – Suitable for oil, wastewater, and chemical handling Hazardous Environments – Safe for spark-free and explosion-proof applications
With its rugged construction and efficient performance, the Air Operated Diaphragm Pump (Aluminium/Neoprene) is a cost-effective, durable, and low-maintenance choice for fluid handling needs in marine and industrial operations.
Contact us today for specifications, bulk orders, or spare parts availability!
Plastic pump lines provide the durability, chemical resistance, abrasion resistance, and temperature range required for a variety of process and waste applications. The standard material combination is composed of polypropylene casing and Teflon diaphragm balls and valve seat.
PTFE diaphragms are extremely suitable for aggressive chemicals. Excellent in acidic & caustic applications with long flex life and handles abrasives well.
Available in: ½”, 1”, 1-1/2”, 2”