Single Door Nrv Archives - Major Valves https://majorvalves.co.za/product-tag/single-door-nrv/ And Engineering Wed, 04 Nov 2026 10:52:50 +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 Single Door Nrv Archives - Major Valves https://majorvalves.co.za/product-tag/single-door-nrv/ 32 32 Shouldered Single Door Non-return Valve https://majorvalves.co.za/shop/shouldered-single-door-non-return-valve/ Mon, 22 Jun 2026 11:59:22 +0000 https://majorvalves.co.za/?post_type=product&p=2555
Specification Detail
Pressure Rating PN20 (20 bar)
Body Epoxy powder coated ductile iron body for corrosion resistance
Door Stainless steel door for strength and durability
Seal EPDM seal for reliable, leak-tight performance
Pin Stainless steel pin for secure operation
Design Single door design for quick response and smooth flow
Standard Shoulder design conforms to SANS 815-1
Footprint Compact and space-saving design
Size Range DN50 - DN200

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Shouldered Single Door Non-Return Valve PN20

The Shouldered Single Door Non-Return Valve is designed to provide efficient and reliable backflow prevention in pipeline systems. Built with a robust epoxy powder coated ductile iron body, this valve ensures durability, corrosion resistance, and long service life in demanding environments.

Featuring a stainless steel door and EPDM seal, the valve delivers tight shut-off and dependable sealing performance under varying pressure conditions. The single door design allows for smooth operation and quick response to flow changes, helping to protect system components from reverse flow damage.

The valve shoulder conforms to SANS 815-1 standards, ensuring compatibility with standard pipeline installations. With a pressure rating of PN20 (20 bar), it is suitable for high-pressure applications across a wide range of industries.

Available in sizes from DN50 to DN200, this compact and efficient valve is ideal for installations where space is limited but performance cannot be compromised.

Key Features

  • Pressure rating: PN20 (20 bar)
  • Epoxy powder coated ductile iron body for corrosion resistance
  • Stainless steel door for strength and durability
  • EPDM seal for reliable, leak-tight performance
  • Stainless steel pin for secure operation
  • Single door design for quick response and smooth flow
  • Shoulder design conforms to SANS 815-1
  • Compact and space-saving design
  • Size range: DN50 – DN200

Applications

Ideal for water distribution systems, pumping stations, and industrial pipelines where effective backflow prevention and system protection are essential.

The Shouldered Single Door Non-Return Valve offers dependable, low-maintenance performance with efficient operation and long-term reliability.

https://majorvalves.co.za/mve-shouldered-valve-pn20/

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