Flat / Dished heads

Specification

r1	>	da	Flat dished heads
r1	<	da	Dished heads
r2	=	25 – 80 mm or as desired
da	=	Da	=	D
h1	≥	3,5	*	s
h2	=	Depth of dishing
h3	=	h1	+	h2
H	=	h3	+	s

(r1: Dishradius | r2: Knuckle radius | da: Outer diameter | h1: Straight flange height | h2: Depth of dishing | h3: total internal head height | s: Wall thickness | V: Volume | Aa: outer surface | Ai: inner surface)

Tolerances

Tolerances for height, scope, out-of-roundness, wall thickness, etc. are in accordance with DIN 28011 – Torispherical heads.