Zhongyu Fire-fighting Equipment Co., Ltd. is a Chinese manufacturer and exporter of coupling.
THE MULTI-PURPOSED QUICK COUPLINGS CAN BE APPLIED FOR VARIOUS FIELDS OF INDUSTRY-PETROLEUM, CHEMICAL, STEEL, MEDICINES, FOODSTUFF; WATER SUPPLYING AND SHIPPING ETC.
1/2", 3/4", 1", 1-1/4", 1-1/2", 2", 2-1/2", 3", 4", 5", 6"
PRECISION MACHINED THREAD NPS, NPT, BSP, BSPT, DIN259/2999 AND SPECIAL THREAD FOR SPECIAL APPLICATIONS.
CLASS 1-ALUMINUM ALLOY ASTM A380.0, ASTM A03560
CLASS 2-BRASS ASTM C38500, ASTM C37700
CLASS 3-STAINLESS STEEL ASTM S30400, ASTM S31600
CLASS a-BRASS ASTM C38500, ASTM C37700
CLASS b-STAINLESS STEEL ASTM S30400, ASTM S31600