The Grooved Coupling 3.5MPa is engineered for fast, secure, and flexible pipe joining in high-pressure piping systems. Designed in accordance with SABS 815-2 standards, this heavy-duty coupling provides a leak-tight seal while accommodating line deflection and stress.

Built with a durable S.G. Iron body and precision-engineered seals, it offers excellent performance under demanding conditions. Its lightweight construction allows for quick installation, making it an ideal choice for fire protection networks, industrial processing, and commercial fluid systems.

Size Range & Pressure Rating

Size Range: DN40 to DN350

Pressure Rating: 3.5MPa (35 Bar)

Construction & Materials

Body: S.G. Iron (Spheroidal Graphite Iron)

Seals: SBR Rubber (SABS 974 compliant), also available in NBR or EPDM

Bolts & Nuts: Grade 4.8 – Nickel Plated

Key Features

• Designed to SABS 815-2 standards and UL/FM approved

• High pressure rating of 3.5MPa suitable for heavy-duty applications

• Durable S.G. Iron body construction

• Versatile seal options available in SBR, NBR, or EPDM

• Nickel-plated Grade 4.8 bolts for added corrosion resistance

• Lightweight design for easy handling and efficient assembly

Applications

Widely used in fire protection systems (UL/FM approved), water distribution networks, HVAC installations, mining, and general industrial piping applications.

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The Rubber Bellow (Expansion Joint) is designed to absorb motion and stress in piping systems, providing an effective solution for thermal expansion, angular deflection, and axial displacement. Due to its excellent integral function, this flexible rubber joint is widely used across various industrial applications to protect pipeline equipment from mechanical strain.

Engineered for performance and longevity, it effectively eliminates line vibration and dampens noise while helping to equalize minor alignment inaccuracies during assembly. Its compact volume and lightweight design ensure simple installation and low maintenance requirements over time.

Size Range & Pressure Rating

Size Range: DN50 to DN300

Pressure Rating: PN16 (16 Bar)

Construction & Materials

Flange: WCB Q235-A

Sphere: Reinforced EPDM (with steel wire core and outer/inner elastomer coating)

Key Features

• Absorbs vibration and dampens noise to reduce system stress

• Handles axial extension, compression, and horizontal displacement

• Allows up to 15° deflection angle across all standard sizes

• Compact, lightweight design for easy handling and installation

• High flexibility with low maintenance requirements

• Helps equalize assembly inaccuracies during installation

Applications

Widely used across several industries, including HVAC systems, water treatment networks, power generation, industrial processing, and general pumping systems to isolate vibration and accommodate thermal expansion.

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The Equilibrium Float Valve PN16 is locally manufactured to provide efficient water level control in storage tanks and reservoirs. Designed with a large orifice to allow for high flow rates, it ensures rapid and reliable tank filling while preventing overflow.

Engineered for long service life and simple upkeep, this valve features an adjustable shut-off level to suit custom tank requirements. Its robust construction utilizes quality metals and protective coatings to withstand continuous immersion and operation.

Size Range & Pressure Rating

Size Range: DN50 to DN150

Pressure Rating: PN16

Construction & Materials

Body: SG Iron FBE Coated

Gate: SG Iron EPDM/NBR Encapsulated

Spindle & Arm: Stainless Steel – Grd410

Float: Fibre Glass Polyurethane

Top Plug & Piston: Brass, LG2

Bottom Seat: Brass, LG2

O-Ring: NBR

Key Features

• Locally manufactured for quality assurance and fast availability

• Large orifice design allows for high flow capacity (up to 40 l/s at 2m/s velocity)

• Easily maintainable design for straightforward servicing

• Adjustable shut-off level to customize water line height

• Durable fiberglass polyurethane float for reliable buoyancy

Applications

Ideal for automatic water level regulation in municipal storage tanks, agricultural reservoirs, commercial water systems, and industrial tanks.

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The Flanged Foot Valve is designed for reliable flow control and pump protection in raw water pumping applications. Built with a combination of a wafer non-return valve and a heavy-duty galvanised steel basket, this valve maintains pump prime and prevents debris from entering the suction line.

Engineered for durability in demanding environments, the valve is suitable for use in open water sources like rivers and dams. The basket features 8mm diameter perforations to ensure an optimal balance between maximum flow intake and effective filtration of large debris.

Size Range

Size Range: DN80 to DN500 (Screwed flange on request for sizes DN50, DN80, DN100, DN150)

Construction & Materials

Valve Body & Discs: Cast Iron Body with Nickel-plated discs OR Cast Iron Body with Stainless Steel discs

Basket Material: Galvanised Steel

Perforations: 8mm Diameter

Key Features

• Combination of a wafer non-return valve and galvanised steel basket

• Optional Cast Iron Body with Nickel-plated discs or Stainless Steel discs

• 8mm diameter perforations on basket for optimal filtration

• Screwed flange available on request for DN50, DN80, DN100, and DN150

• Heavy-duty design built for continuous pumping operations

Applications

For use in pumping applications, particularly suitable for raw water extraction in rivers, dams, agricultural irrigation, and industrial water systems.

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Our Flanged Swing Check Valve PN16 is designed for efficient backflow prevention and smooth flow control in water and industrial piping systems. Built with a robust SG Iron body coated with Fusion Bonded Epoxy (FBE – 250 Micron) for superior corrosion resistance, this valve provides long-lasting reliability and secure flanged installation.

Engineered for optimal sealing and durability, the valve features an EPDM encapsulated SG Iron gate paired with a high-grade Stainless Steel swing arm and hanger pin. Designed to comply with recognized international standards, it prevents fluid reversal while maintaining low head loss during operation.

Size Range & Pressure Rating

• Size Range: DN50 to DN300

• Pressure Rating: PN16 (16 Bar / 1600 kPa)

Construction & Materials

• Body Material: SG Iron – Grd 420/12 FBE Coated

• Gate / Disc Material: EPDM Encapsulated SG Iron (NBR Encapsulated available on request)

• Bonnet Material: SG Iron – Grd 420/12

• Swing Arm Material: Stainless Steel – Grd 304

• Hanger Pin Material: Stainless Steel – Grd 410

• Split Pin Material: Stainless Steel – Grd 304

• Cap Screw Material: HT Steel – Grd 8.8

• O-Ring / Seals: NBR / EPDM

• Drain Plug: Brass

• Coating: Fusion Bonded Epoxy (FBE) – 250 Micron (Signal Blue)

Key Features

• Designed to BS5153 standards

• Complies to SANS 1551-2 2007 specifications

• EPDM encapsulated SG Iron gate for reliable sealing (NBR option available)

• High-strength Stainless Steel swing arm and hanger pin

• Counter Weight option added on request

• Durable 250 Micron FBE coating for exceptional exterior and interior protection

Applications

Ideal for water distribution networks, wastewater treatment, industrial fluid processing, pumping stations, and general pipeline installations requiring dependable backflow prevention under PN16 operating conditions.

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Engineered for durability, the valve features a blow-out proof stainless steel stem and a CF8M (316) stainless steel disc, ensuring long-term performance under demanding conditions. The integral EPDM cartridge-type replaceable liner provides excellent sealing capability and simplifies maintenance, while PTFE bushings ensure smooth and consistent operation.

Size Range & Pressure Rating

Size Range: DN50 to DN300
Pressure Rating: PN16 (16 Bar / 1600 kPa)

Construction & Materials

Body Materials: GGG40
Disc Materials: Stainless Steel 316 (CF8M)
Seat Materials: EPDM / NBR
Stem Materials: Stainless Steel 416
Bushings: PTFE

Key Features

• Fully lugged design for secure and versatile installation
• Blow-out proof stainless steel stem for enhanced safety
• CF8M stainless steel disc for corrosion resistance
• Replaceable EPDM/NBR liner for reliable sealing and easy maintenance
• PTFE bushings for smooth operation
• Available with hand lever or gearbox operation
• SABS tested and JASWIC compliant
• Manufactured in accordance with BS5155 standards

Applications

Widely used in water treatment, industrial processing, HVAC systems, and general pipeline applications handling water and non-aggressive media.

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Our Wafer Butterfly Valve Solid Disc PTFE (F4) PN10 (EPNS) is specifically designed for handling corrosive media, offering reliable shut-off and long-lasting performance in demanding industrial environments. Featuring a two-piece split body design, this valve ensures ease of maintenance while maintaining structural strength.

The valve is equipped with a PTFE-lined (F4) solid disc and PTFE seat, providing exceptional chemical resistance and tight sealing performance. Its robust construction, including a ductile iron body and stainless steel internal components, ensures durability and consistent operation across a wide temperature range.

Size Range & Pressure Rating

Size Range: DN50 to DN400
Pressure Rating: PN10 (10 Bar)

Construction & Materials

Body Materials: Ductile Iron
Disc Materials: WCB with PTFE (F4) lining
Seat Materials: PTFE
Stem / Shaft Materials: Stainless Steel 410
Sleeve: Stainless Steel 304
Bush: Phenolic Resin

Key Features

• Two-piece split body design for easy maintenance
• PTFE (F4) lined disc for superior chemical resistance
• Excellent sealing performance with PTFE seat
• Suitable for corrosive media applications
• Durable ductile iron body with stainless steel components
• Wide operating temperature range from -20°C to 180°C
• Designed and tested to API 609 standards

Applications

Widely used in chemical processing, water treatment, industrial pipelines, and systems handling corrosive or aggressive media.

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Our Wafer Butterfly Valve PN25 is designed for reliable shut-off and efficient flow control in high-pressure industrial applications up to 25 bar. Engineered for durability and performance, this valve features a robust SG iron (GGG40) body with an epoxy powder-coated finish for enhanced corrosion resistance.

Fitted with a stainless steel CF8M disc and a blow-out proof stainless steel stem (Grade 431), the valve ensures long-term operational integrity under demanding conditions. Its pinless disc design reduces wear and maintenance requirements, while the EPDM cartridge liner provides excellent sealing and chemical resistance.

Size Range & Pressure Rating

Size Range: DN50 to DN200
Pressure Rating: PN25 (25 Bar / 2500 kPa)

Construction & Materials

Body Materials: SG Iron (GGG40) with epoxy powder coating
Disc Materials: Stainless Steel CF8M
Seat Materials: EPDM cartridge liner
Stem Materials: Stainless Steel Grade 431
Bushings: PTFE

Key Features

• Pressure rating up to 25 bar for high-performance applications
• CF8M stainless steel disc for corrosion resistance
• Pinless design reduces wear and maintenance
• Epoxy-coated SG iron body for durability
• Blow-out proof stainless steel stem for added safety
• EPDM seat ensures reliable sealing performance
• PTFE bushings for smooth operation
• Available with lever or gearbox operation

Applications

Widely used in water treatment and distribution, industrial processing systems, HVAC systems, and general fluid handling applications.

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Our Flanged Y Strainer is manufactured from high-quality GX5CrNiMo19-11-2 (1.4408) stainless steel to DIN/EN standards, offering excellent corrosion resistance and long service life in demanding industrial applications. Designed with heavy-duty flanged ends and supporting a nominal pressure range of PN 10 to PN 40, this Y-pattern strainer ensures robust performance and secure integration into high-pressure fluid control systems.

Equipped with a precision stainless steel screen, it effectively filters out debris and solid particles, protecting vital downstream equipment such as pumps, valves, and pipelines. Featuring a fully confined cover gasket that minimizes the risk of leakage, it is uniquely suited for challenging media, including steam, gases, hot water, and highly aggressive, toxic, or explosive fluids across the petrochemical, food/beverage, sugar, and process engineering industries.

Available in nominal sizes ranging from DN 15 to DN 400, this high-performance strainer is engineered to withstand extreme temperatures up to 400°C, making it a dependable, heavy-duty solution for maintaining system integrity and reducing maintenance downtime.

Key Features:

• Premium Construction: GX5CrNiMo19-11-2 (1.4408) stainless steel body

• Standardization: Flanged connections conforming to DIN/EN specifications

• Pressure Rating: Suitable for PN 10 to PN 40 applications

• Advanced Filtration: Stainless steel screen (fine screen options available)

• Leak Prevention: Fully confined cover gasket significantly reduces leakage risk

• Extensive Size Range: Available from DN 15 up to DN 400

• Broad Temperature Range: Operates up to 400°C (with low-temperature variants down to -60°C)

• Versatile Media Compatibility: Ideal for aggressive liquids, steam, gas, condensates, and hazardous fluids

Choose Major Valves’ stainless steel flanged Y strainer for reliable filtration, superior leak protection, and optimal system safety.

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Our Threaded Y Strainer is manufactured from high-quality ASTM A351-CF8M stainless steel, offering excellent corrosion resistance and durability in demanding industrial applications. Designed with threaded BSP ends, this Y-type strainer ensures easy installation and reliable performance in fluid control systems.

Equipped with a precision 1.00mm stainless steel mesh screen, it effectively filters out debris and solid particles, protecting downstream equipment such as pumps, valves, and pipelines. This makes it ideal for use in water, oil, gas, and chemical processing applications.

Available in sizes ranging from ½″ to 3″, this compact and efficient strainer is a dependable solution for maintaining system integrity and reducing maintenance downtime.

Key Features:
• ASTM A351-CF8M stainless steel construction
• Threaded BSP connections for easy installation
• 1.00mm stainless steel mesh screen
• Size range: ½″ to 3″
• Suitable for water, oil, gas, and chemical applications
• Corrosion-resistant and long service life

Choose our stainless steel threaded Y strainer for reliable filtration and optimal system protection.

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