product name: Stainless steel C type coupling
Exhaust Clamp Type Ⅰ :One bolt structure :Band material is Aluminized steel or 409 stainless steel or 304 stainless steel ; Internal fixture block material is aluminium alloy ; External fixture block , bolt & nut material is high-quality carbon steel.
Exhaust Clamp Type Ⅱ :Two bolt structure :Band material is Aluminized steel or 409 stainless steel or 304 stainless steel ; Internal fixture block , bolt & nut material is high-quality carbon steel.
Exhaust Clamp Type Ⅲ : Two bolt structure , band processing in advance ; Band material is Aluminized steel or 409 stainless steel or 304 stainless steel ; Internal fixture block material is aluminium alloy . External fixture block , bolt & nut material is high-quality carbon steel.
