Ductile Iron Grooved Couplings, ASTM A536 65-45-12, FM, UL
ASME B16.3 Pipe Coupling, Malleable Iron, HDG, 6 Inch, DN150
Galvanized MI Pipe Coupling, 4 Inch, DN100, ASME B16.3, NPT
Ductile Iron Universal Coupling, with Galvanized Bolts and Nuts
Casing and Tubing Coupling, H40, J55, K55, N80, L80, P110
Carbon Steel ASTM A105 Coupling, Half, Full Type, 1/2-4 Inch
ASTM A105 Half Coupling, ASME B16.11, 3000 LB, 1-1/2 Inch
BS EN 545 Flexible Coupling, Ductile Iron, PN16, DN500, 20IN
API 5CT J55 Coupling, 2-7/8 Inch, EUE
API 5CT J55 PSL1 Coupling, 2-3/8 Inch, EUE Thread Ends
UPVC Reducing Coupling, JIS Standard
UPVC Pipe Coupling, 16A-100A, JIS
PPH Reducing Coupling, DIN, Butt Weld Ends
CPVC Reducing Coupling, DIN Standard
CPVC Pipe Coupling, DN20-DN250, DIN
Q235 SSJB Flexible Dresser Coupling, PN10，DN50 to DN350
API 5CT Coupling, J55, DN76, EUE
API 5CT Casing Coupling, J55, DN76 X DN77, EUE
J55 Casing Coupling, API 5CT, DN60, EU
API 5CT Casing Coupling, L80, DN76, EUE
