Niva Straight Lockshield


  • Forged brass lockshield valve
  • For hydronic radiators
  • Operated using a slotted screwdriver
  • ½” FIP x ½” NPT connections
  • Straight body pattern
  • 10-year Ironshield Warranty
SKU: IWR-RV-niva-straight-lockshield Categories: , , ,


Niva Straight Lockshields control the flow on the return from the radiator. Perfect in pair with the Niva TRV, or as a matching colour return on a Windsor FIP 3/4”. Using a slotted screwdriver, the flow rate can be adjusted at the top of the valve to make sure you have the perfect flow in and out of your radiator. Solid brass construction, available in matching finishes to the Niva TRV, and in 1/2” and 3/4” sizes. 

Control Valve Sold Separately

Available in 1/2” FIP x 1/2” NPT and 3/4” FIP x 3/4” NPT

Available in Chrome, Satin Nickel, Natural Brass, and Antique Brass

Additional information

Weight0.44 lbs
Dimensions3 × 1.5 × 3 in

Antique Brass, Chrome, Natural Brass, Satin Nickel


0.5", 0.75"