... certificate 2.ISO9001:2000 certificate 3.brass/Nickel plated 4.Vertical Check Valve NameVertical Check Valve MaterialEu - Brass CnZn39Pb3 according to ... , elbow, union, nipple, crossover, cap, coupling and compression fittings etc. of different sizes are suppliable, OEM/ODM welcome. DNSIZEAB151/2"3259203 ...