flange eblow

Specifications

I DUCTILE IRON FLANGE EBLOW PIPE FITTING
II DN80-DN2000 PN16/25
III FOAM LOST CASTING
IV INSPECTED BY SGS.

    FLANGE EBLOW PIPE FITTING 

 CASTING METHODS: FOAM LOST  CASTING  , AN ADVANCED CASTING METHOD IN THE WORLD CASTING.

 THE PROCEDURES  SHOWS AS BELOW:

 

  I ) POLYTHYLENE GRANULES FOR PIPE FITTING

  MAKE THE INITIAL POLYTHYLENE  INTO THE POLYTHYLENE FOAM WITH BIGGER CAPACITY AND SMMALER DENSE IN ORDER TO EASY EXTRUSION IN THE PRESSURE CONDITIONS.

  HEATED THOSE MANY MANY POLYTHYLENE CRANULES INTO MOLD IN ORDER TO CHANGE INTO WHAT COMPENTS EXPECT THE ARE.LIKE THE FLANGE END ,SOCKET , OR SPIGOT PART EC.

  II) MOLD OF PIPE FITTING MANUFATURE

  THEN STICK THEM TOGETHER  INTO A COMPETE POLYTHYLENE MOLD, NOW WE CAN SEE THE FINISHED PRODUCT FROM THE MOLD   EXCEPT THE MATERIAL .

  III) CASTING FOR MATERIAL EXCHANGE

  AFTER INSPEDTION ,THEN TRANSTER THEM INTO NXET CASTING WORKSHOP FOR MATERIAL REPLACEMENT.

1 PUT THE MOLD INTO SAND BOX WITH  A LAYER OF SAND .

2  KEEP THE POLYTHYLENE MOLD STEADY AND AVOID  IT EXTRUSION WHILE ADD THE SAND TO THE FULL SAND BOX.

3 SET A LAYER OF PLASTIC FILM AND OTHER  CASTING SYSTEMS.

4 POURING THE HIGH TEMPETATURE IRON LIQUID INTO THE SAND BOX ,   ,, COOLING THE DEVICE , THEN  TAKE THE INITIAL IRON  PRODUCT OUT . THEN  AS TO THE IN.AND OUT.,DO TREATMENT ,,