NRS Groove Ends Resilient Gate Valve

PN10/PN16/125LB/150LB
2”~12” (50~300mm)
Cast Iron, Ductile Iron

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NRS Groove Ends Resilient Gate Valve Product Information

NRS groove ends resilient gate valve is one type of fire gate valve with grooved ends.  Its on-off disc is the flexible wedge gate, whose moving direction is perpendicular with flow. Groove gate valve can be only full open or full close. Fire-fighting gate valves are widely used in series of industries, especially in water supply projects, public works, water treatment plan, fire fighting, etc. Flowspec Luokai can design and manufacture the groove fire gate valve according to standard of EN1171, EN1074-2 and AS2638 with sizes of 2”~12” (DN50~DN300mm).

1. FEATURES

  • Full bore design
  • BB, bolted bonnet
  • NRS, outside screw and yoke
  • Non-rising stem and non-rising hand wheel
  • Resilient seated, renewable seat rings
  • Available with gear operator

3. STANDARDS

  • Design & manufacturing: EN1171, EN1074-2, AS2638
  • Face to face: EN558-1
  • Groove ends: AWWA C606
  • Inspection & testing: EN12266

2. TECHNICAL SPECIFICATIONS

  • PN10/PN16/Class 125LB/Class 150LB
  • Size: 2”~12” (DN50~DN300mm)
  • Materials: cast iron (GG25, ASTM A126 B), ductile iron (GGG50, GJS500, DIN1693, BS EN1563, ASTM A536 65-45-12)
  • Working pressure: 10bar, 16bar, 200psi
  • Applicable medium: water, sewage, waste water
  • Applicable temperature: -10℃~+80℃

4. APPLICATIONS

  • Water supply plant
  • High building industry
  • Mining, steel industry
  • Metallurgy plant, power plant
  • Oil, chemical industry
  • Textile, pharmaceutical industry
  • Waste water, sludge, sewage treatment industry
  • Food, pharmaceutical industry
  • Fire fighting industry

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