Butterfly Valves Archives - Major Valves https://majorvalves.co.za/product-category/butterfly-valves/ And Engineering Wed, 04 Nov 2026 10:40:29 +0000 en-US hourly 1 https://wordpress.org/?v=7.1.4 https://majorvalves.co.za/wp-content/uploads/2023/12/cropped-fav-mv-32x32.png Butterfly Valves Archives - Major Valves https://majorvalves.co.za/product-category/butterfly-valves/ 32 32 Fully Lugged Wafer Butterfly Valve PN16 https://majorvalves.co.za/shop/fully-lugged-butterfly-valve/ Thu, 23 Jul 2026 07:35:47 +0000 https://majorvalves.co.za/?post_type=product&p=2599
Feature Detail
Design Fully lugged design for secure and versatile installation
Stem Blow-out proof stainless steel stem for enhanced safety
Disc CF8M stainless steel disc for corrosion resistance
Liner Replaceable EPDM/NBR liner for reliable sealing and easy maintenance
Bushings PTFE bushings for smooth operation
Operation Available with hand lever or gearbox operation
Testing SABS tested and JASWIC compliant
Standards Manufactured in accordance with BS5155 standards

The post Fully Lugged Wafer Butterfly Valve PN16 appeared first on Major Valves.

]]>

Our Fully Lugged Wafer Butterfly Valve PN16 is designed for reliable shut-off and efficient flow control in a wide range of industrial applications. Built with a robust GGG40 body and a fully lugged design, this valve allows for secure installation and easy maintenance within pipeline systems.

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.

The post Fully Lugged Wafer Butterfly Valve PN16 appeared first on Major Valves.

]]> Wafer Butterfly Valve – Solid Disc PTFE (F4) PN10 https://majorvalves.co.za/shop/wafer-butterfly-valve-ptfe-copy/ Thu, 23 Jul 2026 07:22:15 +0000 https://majorvalves.co.za/?post_type=product&p=2597
Feature Detail
Body Design Two-piece split body design for easy maintenance
Disc PTFE (F4) lined disc for superior chemical resistance
Seat Excellent sealing performance with PTFE seat
Applications Suitable for corrosive media applications
Construction Durable ductile iron body with stainless steel components
Temperature Range -20C to 180C
Standards Designed and tested to API 609 standards

The post Wafer Butterfly Valve – Solid Disc PTFE (F4) PN10 appeared first on Major Valves.

]]>

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.

The post Wafer Butterfly Valve – Solid Disc PTFE (F4) PN10 appeared first on Major Valves.

]]> Wafer Butterfly Valve PN25 https://majorvalves.co.za/shop/wafer-butterfly-valve/ Thu, 23 Jul 2026 07:03:56 +0000 https://majorvalves.co.za/?post_type=product&p=2595
Feature Detail
Pressure Rating Up to 25 bar for high-performance applications
Disc CF8M stainless steel disc for corrosion resistance
Design Pinless design reduces wear and maintenance
Body Epoxy-coated SG iron body for durability
Stem Blow-out proof stainless steel stem for added safety
Seat EPDM seat ensures reliable sealing performance
Bushings PTFE bushings for smooth operation
Operation Available with lever or gearbox operation

The post Wafer Butterfly Valve PN25 appeared first on Major Valves.

]]>

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.

The post Wafer Butterfly Valve PN25 appeared first on Major Valves.

]]> UNI-FLO WAFER BUTTERFLY VALVES, POLYURETHANE LINER, PN16 https://majorvalves.co.za/shop/uni-flo-wafer-butterfly-valves-polyurethane-liner-pn16/ Tue, 21 Apr 2026 06:10:02 +0000 https://majorvalves.co.za/?post_type=product&p=2274
Feature Detail
Liner Polyurethane lined for superior abrasion resistance (standard)
Disc Stainless steel disc for durability and corrosion resistance
Pressure Rating 16 bar
Liner Temp (Polyurethane) Up to 100C
Liner Temp (EPDM) Up to 120C
Liner Temp (Viton) Up to 150C
Flange Compatibility DN40-DN450 PN10 / PN16 / Table D
Flange Compatibility DN500-DN600 PN10 / PN16
Construction Robust, long-lasting construction for demanding applications

More Info. (.pdf)

The post UNI-FLO WAFER BUTTERFLY VALVES, POLYURETHANE LINER, PN16 appeared first on Major Valves.

]]> UNI-FLO Polyurethane Lined Butterfly Valve

The UNI-FLO Polyurethane Lined Butterfly Valve is designed for demanding applications where abrasion resistance and durability are critical. Featuring a high-performance polyurethane liner, this valve provides superior protection against wear, making it ideal for slurry, mining, and aggressive media handling.

Paired with a corrosion-resistant stainless steel disc, the valve ensures reliable operation across a wide range of industrial applications. Its robust design delivers consistent performance while maintaining tight shut-off and extended service life in harsh environments.

With a pressure rating of 16 bar, the UNI-FLO butterfly valve is built for strength and efficiency. It is available with multiple liner options to suit varying temperature requirements, ensuring flexibility across different operating conditions.

Designed for easy installation, the valve accommodates standard flange alignments across a wide size range, making it a versatile solution for diverse pipeline systems.

Key Features:

  • Polyurethane lined for superior abrasion resistance (standard)
  • Stainless steel disc for durability and corrosion resistance
  • Pressure rating: 16 bar
  • Multiple liner options for temperature flexibility:
    • Polyurethane: up to 100°C
    • EPDM: up to 120°C
    • Viton: up to 150°C
  • Flange compatibility:
    • DN40 – DN450: PN10 / PN16 / Table D
    • DN500 – DN600: PN10 / PN16
  • Robust, long-lasting construction for demanding applications

Applications:
Ideal for mining, slurry handling, water treatment, chemical processing, and industrial systems where abrasion resistance and reliable flow control are essential.

The UNI-FLO Polyurethane Lined Butterfly Valve delivers durable, efficient performance in abrasive and high-demand environments.

More Info. (.pdf)

The post UNI-FLO WAFER BUTTERFLY VALVES, POLYURETHANE LINER, PN16 appeared first on Major Valves.

]]> UNI-FLO U-SECTION FLANGED WAFER BUTTERFLY VALVE, PN16/CL125/150 https://majorvalves.co.za/shop/uni-flo-u-section-flanged-wafer-butterfly-valve-pn16-cl125-150/ Tue, 21 Apr 2026 06:07:25 +0000 https://majorvalves.co.za/?post_type=product&p=2272 Uni-Flo U-Section Butterfly Valves are engineered in accordance with BS 5155 standards, ensuring reliable performance and durability in demanding industrial applications. These valves are 16 bar rated and feature a narrow face-to-face design, allowing for efficient wafer-type installation while delivering the strength and sealing advantages of a double flanged butterfly valve. The replaceable EPDM liner provides excellent resistance and versatility, making these valves suitable for a wide range of media, including fresh water, sewage, seawater, air, oils, and certain acids.

Feature Detail
Standard Designed to BS 5155 standards
Pressure Rating 16 bar
Installation Compact wafer-style installation
Performance Double flanged performance benefits
Liner Replaceable EPDM liner for extended service life

Ideal for water treatment, industrial processing, and general flow control applications, Uni-Flo U-Section Butterfly Valves offer a cost-effective and reliable solution for long-term operation.

More Info. (.pdf)

The post UNI-FLO U-SECTION FLANGED WAFER BUTTERFLY VALVE, PN16/CL125/150 appeared first on Major Valves.

]]>  

Uni-Flo U-Section Butterfly Valves 

Uni-Flo U-Section Butterfly Valves are engineered in accordance with BS 5155 standards, ensuring reliable performance and durability in demanding industrial applications. These valves are 16 bar rated and feature a narrow face-to-face design, allowing for efficient wafer-type installation while delivering the strength and sealing advantages of a double flanged butterfly valve.

The replaceable EPDM liner provides excellent resistance and versatility, making these valves suitable for a wide range of media, including fresh water, sewage, seawater, air, oils, and certain acids.

Key Features:

  • Designed to BS 5155 standards
  • 16 bar pressure rating
  • Compact wafer-style installation
  • Double flanged performance benefits
  • Replaceable EPDM liner for extended service life

Ideal for water treatment, industrial processing, and general flow control applications, Uni-Flo U-Section Butterfly Valves offer a cost-effective and reliable solution for long-term operation.

More Info. (.pdf)

The post UNI-FLO U-SECTION FLANGED WAFER BUTTERFLY VALVE, PN16/CL125/150 appeared first on Major Valves.

]]>