| NOTE:1. Facing according to DIN 2526
 Flat face:
 Form A, Face without any requirements
 Form B, Face Rz=160, machined (not smoother than 40µm)
 Raised Face:
 Form C, Face Rz=160, machined (not smoother than 40µm)
 Form D, Face Rz=40, machined
 Form E, Face Rz=16, machined
 2. Tongue and groove according to DIN 2512
 Form F, Tongue
 Form N, Groove
 3. Male and Female according to DIN 2513, DIN 2514
 Form V13, V14, Male
 Form R13, R16, Female
 4. 
                                    Chemfering for diaphragm-weld packings, PN64-PN400, according to DIN 2695
 5. Facing for lens-shaped joints, PN64-PN400, according to DIN 2696
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