1)UL / FM appvoal 

2)Standard grooved specifications: according to VICTAULIC

3)Material: Ductile Iron conforming to ASTM A536, Grade 65--45—12

4)Thread : BSPT & BSP & NPT

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

6)Gasket: EPDM

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

8)Paking:In carton with pallet and wooden box