Technical details

Malleable Iron fittings

Threaded fittings:               according to DIN EN 10242, manufactured from malleable cast iron

Trademark :                        – A. L. –

Material:                             EN-GJMB 350-10 (EN-JM1130)

Dimensions:                         1/8 to 4 inches

Connection thread (DIN EN 10226-1):

external conical (R thread)

external cylindrical (G thread)

Fastening thread (DIN ISO 228-1) :

 external cylindrical (G thread)

 internal cylindrical (G thread)

Suitable for:                         gas and water installation

(restricted application in the case of additionally chromated parts )

Design:                                – standard model lack or zinc-plated

– galvanized according to DIN EN ISO 4042 in black or blue galvanized, thick film passivation

Pressure test:

	operating pressure at temperatures
Nominal pressure ND	./. 20°C – 120° C	up 300° C
bar	bar	bar
25	25	20

Flanges

Screwed flanges:                according to DIN EN 1092-1 type1 3

Welding neck flanges:        according to DIN EN 1092-1 type 011

Blind flanges:                      according to DIN EN 1092-1 type 05

Materials:                            C 22.8 according to EN 10273

RSt 37-2 according to EN 10025

Nominal width:                    DN 10 to DN 300

Connection thread in the case of threaded flanges:

internal cylindrical (Rp thread) according to DIN EN 10226-1

Design:                                screwed flanges: black or galvanically zinc-coated (blue chromated)

welding neck flanges:  black

blind flanges: black

Pressure test::                     screwed flanges: PN 6 (6 bar) , PN 10/16 (10/16 bar)

welding neck flanges: PN 6 (6 bar) , PN 16 (16 bar)

blind flanges: PN 6 (6 bar) , PN 16 (16 bar)