GATE VALVE SERIES 1 1)COST PERFORMANCE 2)GOOD AFTER SALES SERVICE GATE VALVE SERIES 1Z73X-2.5,Z73X-6,Z73X-10,Z73X-16Compact construction, wise design, excellent solid , smooth channel, low flow resistance coefficient , and its seal surface is of stainless steel and hard alloy and longe service life. With gentle graphite packing , reliabe seal, light and flexible operation, manual operation.More ...