Rubber Rings for Alfa Valve (Nakka)

Product Overview:
Designed for traditional Alfa (Nakka) valves used in agriculture, these rubber rings form a pressure-tight seal around the cast iron disc, preventing backflow and leakage during irrigation.

 

Key Features:

  • Moulded for round valve disc
  • Leak-proof under field pressure
  • Withstands open-close cycles via spindle
  • Resilient to outdoor and buried conditions

 

Material Options:

Rubber Grade Recommended Use Key Advantages
EPDM Clean water irrigation Long-term UV and ozone resistance
Nitrile (NBR) Waste-contaminated flow Hydrocarbon and effluent resistant
Neoprene Field valves with moderate load Toughness with flexibility
SBR Canal and borewell valves Budget-friendly and reliable

 

Applications:

  • Alfa/Nakka agricultural valves
  • Borewell and field outlets
  • Canal irrigation systems

Spindle-type valve sealing