Pak Massif is based in Pakistan and lists industrial valves on Global Trade Plaza. The company offers air valves manufactured by Siam Cast Iron of Thailand, including double orifice models with isolating gate valves and butterfly valves, as well as single orifice air valves. Sizes range from DN 100 (4 inches) to 200mm (8 inches) with pressure ratings of PN 10 and PN 16, and the valve bodies are made of cast iron. Buyers can send an enquiry through Global Trade Plaza.