1)coupling meterial:steel 2)coupling surface treatment: galvanized 3)coupling size:DG01A-2018-201000

Specification

1) Standard grooved specifications: according to VICTAULIC 2) Material: Ductile Iron conforming to ASTM A536

3) Thread : BSPT & BSP & NPT

4) Surface Treatment:  Epoxy-RAL3000 & Painted-RAL 3000 & Painting-ORANGE

5) Gasket: EPDM

6) Bolts and Nuts: ISO 898-1class 8.8

Galvanized Grooved Coupling