เพิ่มเติมsteel rodขนาด 9มม. เพื่อใช

Size 9 mm steel rod more To be used as a supplementary beam between the fin and the END PLATE.End plates for every position hole tubes must be punching all the big size 16 mm. Can't make a COLLAR?The foldting is a method designed to prevent copper pipe leak caused by crashing into the hole of the plate.

Additional steel rod 9 mm., To be used as a beam reinforced between Dauphin and END PLATE End plates every position Hole pipe must hole of size 16 mm can not COLLAR the foldting is designed to protect the copper pipe. leak The hole caused by the impact of the plate.

More steel rod size 9 mm for use as auxiliary beams between fin and END PLATE

end plates every position ต้องเจาะรู conduit is the biggest of all. The size 16 mm. Can't do COLLAR

.The foldting is a design approach to prevent copper pipe leak. Caused by bumps hole plate.