Purchase Qty. Reference FOB Price
1,000-2,999 Pieces US$5.00
3,000+ Pieces US$3.50
Product Description
rass Automatic Air Vent Valve for boiler Product Description Material Brass Body, Brass Bonnet, Steel Iron ball, steel handle, PTFE ball Seat, NBR O-Ring Brass can be CuZn39Pb3, CZ121, C37710, CW614N, CW617N, DZR, etc Surface Natural brass or Nickel plated Size 1/2"-4" ...