SUPER SELF-CLEANING VENTS

FOR PERMANET MOULD ALUMINIUM PROCESS

MAXIMUM TECHNOLOGY
IN AIR RELEASE
INDEX

TECHNOLOGY
SUPER SELF-CLEANING
HIGH RESISTANCE
EXCELLENCE IN DESIGN
ADVANTAGES

CODE
HOW TO IDENTIFY THE STANDARD VENT CODE
HOW TO IDENTIFY THE SPECIAL VENT CODE

MELTVENTS-KT
STANDARD
CONCAVE CURVED
CONVEX CURVED
INCLINED
SUPER SELF-CLEANING Aº

MeltVents-KT
MELTVENTS-KT increases the productivity of
permanent mold like no other type of vent,
because they have exclusive super tapered slots
(US patent 8.820.391 B2) that reduce aluminum
Super Tapered Slots
clogging.
Vent cut ilustration

Clogging Resistance

Tests done in gravity casting, using 5 vents with Ø

Gas Escape Area mm

10mm, demonstrated the great efficiency of the

MELTVENTS-KT
super tapered slots in relation to the aluminum
clogging.

Day

CUT ILLUSTRATION FOR A MOLD IN THE MOMENT

THAT THE ALUMINUM TOUCHES MELTVENTS-KT

MeltVents-KT STAGE 2 MeltVents-KT

STAGE 1

Aluminum penetrating Aluminum stuck

the slots to the part

Casting Part Permanent Mold Casting Part Permanent Mold

Moment when the aluminum touches MeltVents-KT, Extraction Stage, showing that the penetrated
during the mold filling, causing a slight penetration in aluminum did not stuck inside the slots as a result of the
the slots with INVERTED taper. draft.
HIGH RESISTANCE

Ventistamp has achieved excellent results producing the MELTVENTS-KT model in

aluminium bronze alloy. Being a high-performance material, with excellent resis-
tance to high temperatures, it is used in the manufacture of aluminium injection
pistons.

EXCELLENCE IN DESIGN

MeltVents-KT can be manufactured in a way that their slots follow the cavity
geometry. It is a unique advantage that allows increasing the casting parts
quality, even in the most complex areas in the mold.

Curved Vents

ADVANTAGES

• Maximum clogging resistance • Longer life span

• Better quality of the casting part • Greater productivity of permanent mold
STANDARD VENT
CODIFICATION

ilustration of
a Standard Vent

HOW TO SPECIFY THE CODE

To specify the code for the STANDARD vent in the table you must choose:
1º - The vent model
2º - The dimensions of the slot (S)
3º - The dimensions of the height (H)
4º - The dimensions of the external diameter (Ø)
Main dimensions of the vent

EXAMPLE TABLE

VENT WITH . mm SLOT

HEIGHT mm
HEIGHT mm Code
Ø Code
KTM20H10-06
4 KTM20H10-06
5 RM20H10-05 RM20H10-05
6 RM20H10-06
8 RM20H10-08 RM20H10-06
To specify the final code of Standard vents you must include at the end of the code the letters that correspond to the type of Vent
10 RM20H10-10
material: BA (aluminium bronze). RM20H10-08
12 RM20H10-12
13 RM20H10-13 RM20H10-10
14 RM20H10-14
16 RM20H10-16 RM20H10-12
EXAMPLE
18 OF THE CREATION OF A FINAL CODE
RM20H10-18
RM20H10-13
20a Standard
For RM20H10-20
model MELTVENTS-KT vent, with a 0.2mm slot, 10mm height, 6mm diameter and made of aluminium bronze, the
22 code would
final RM20H10-22
be: RM20H10-14
25 RM20H10-25
RM20H10-16
RM20H10-18
FINAL CODE
RM20H10-20
KTM H - BA
RM20H10-22
TABLE CODE MATERIAL
Initial Code Specified in the Table RM20H10-25
Code for material type (aluminium bronze)
SPECIAL VENT
CODIFICATION

ilustration of a Special Vent

HOW TO SPECIFY THE CODE

To specify the code for the SPECIAL vent in the table you must choose:
1º - The vent model
2º - The dimensions of the slot (S)
3º - The dimensions of the height (H)
4º - The dimensions of the external diameter (Ø)
5º - The dimensions of the special portion, which can be: Concave Radius (R), Main dimensions of the vent
Convex Radius (CR), Inclination (I).

EXAMPLE TABLE

VENT WITH . mm SLOT HEIGHT mm

Radius Code
HEIGHT mm
Ø Radius Code KTM10H10R4-06
8 45 KTM10H10R4-06
1/2" 35.5
5/8" 35.5

To specify the final coding of Special vents you must include at the end of the code the letters that correspond to the type of Vent
material: BA (aluminium bronze).

EXAMPLE OF THE CREATION OF A FINAL CODE

For a MELTVENTS-KT , Curved Vents, with 0.10mm slots, 6mm diameter, 4mm concave radius and made of Aluminium Bronze,
the final code would be:

FINAL CODE
KTM H R - BA
TABLE CODE MATERIAL
Initial Code Specified in the Table Code for material type (aluminium bronze)
MELTVENTS-KT
MELTVENTS-KT is a vent line capable of achieving the best results with regard to aluminium clogging and durability. With
unique design of its slots, MELTVENTS-KT vents have excellent applications in moulds used for gravity or low pressure pouring in
aluminium casting.

TECHNICAL MANUAL

Ventistamp has gathered all the technical information for MELTVENTS-KT vents in a manual.

• How to choose the best type of MELTVENTS-KT for your process;

• How to calculate the radius of MELTVENTS-KT vents;
• Requirements for the inspection and quality approval for MELTVENTS-KT vents.
 STANDARD
MELTVENTS-KT
Super self-cleaning vents with conical slots recommended for areas with flat surfaces.
Illustration of a Standard Vent

VENT WITH SLOTS OF . mm

HEIGHT mm HEIGHT mm
Ø Code Ø Code
5 KTM10H8-05 5 KTM10H10-05
6 KTM10H8-06 6 KTM10H10-06
8 KTM10H8-08 8 KTM10H10-08
10 KTM10H8-10 10 KTM10H10-10
12 KTM10H8-12 12 KTM10H10-12
14 KTM10H8-14 14 KTM10H10-14
18 KTM10H8-18 18 KTM10H10-18
20 KTM10H8-20 20 KTM10H10-20
22 KTM10H8-22 22 KTM10H10-22
25 KTM10H8-25 25 KTM10H10-25

VENT WITH SLOTS OF , mm

HEIGHT mm HEIGHT mm HEIGHT mm

Ø Code Ø Code Ø Code
2 KTM20H4-02 4 KTM20H8-04 3/16" KTP20H8-3/16
2.5 KTM20H4-2.5 5 KTM20H8-05 1/4" KTP20H8-1/4
3 KTM20H4-03 6 KTM20H8-06 5/16" KTP20H8-5/16
8 KTM20H8-08 3/8" KTP20H8-3/8
10 KTM20H8-10 1/2" KTP20H8-1/2
12 KTM20H8-12 5/8" KTP20H8-5/8
14 KTM20H8-14 11/16" KTP20H8-11/16
16 KTM20H8-16 3/4" KTP20H8-3/4
18 KTM20H8-18
20 KTM20H8-20
22 KTM20H8-22
25 KTM20H8-25
 STANDARD
MELTVENTS-KT
Super self-cleaning vents with conical slots recommended for areas with flat surfaces.
Illustration of a Standard Vent

VENT WITH SLOTS OF , mm

HEIGHT mm HEIGHT mm
Ø CODE Ø CODE
4 KTM20H10-04 3/16" KTP20H10-3/16
5 KTM20H10-05 1/4" KTP20H10-1/4
6 KTM20H10-06 5/16" KTP20H10-5/16
8 KTM20H10-08 3/8" KTP20H10-3/8
10 KTM20H10-10 7/16" KTP20H10-7/16
12 KTM20H10-12 1/2" KTP20H10-1/2
14 KTM20H10-14 9/16" KTP20H10-9/16
16 KTM20H10-16 5/8" KTP20H10-5/8
18 KTM20H10-18 11/16" KTP20H10-11/16
20 KTM20H10-20 3/4" KTP20H10-3/4
22 KTM20H10-22
25 KTM20H10-25

VENT WITH SLOTS OF , mm

HEIGHT mm HEIGHT mm
Ø CODE Ø CODE
6 KTM40H8-06 6 KTM40H10-06
8 KTM40H8-08 8 KTM40H10-08
10 KTM40H8-10 10 KTM40H10-10
12 KTM40H8-12 12 KTM40H10-12
16 KTM40H8-16 16 KTM40H10-16
20 KTM40H8-20 20 KTM40H10-20
25 KTM40H8-25 25 KTM40H10-25
 CONCAVE CURVED
MELTVENTS-KT
Super self-cleaning vents with conical slots recommended for areas with concave radius surfaces.

Illustration of the Concave model

VENT WITH SLOTS OF , mm

HEIGHT mm
Ø Radius Code
6 4 KTM10H10R4-06
 CONVEX CURVED
MELTVENTS-KT
Super self-cleaning vents with conical slots recommended for areas with convex radius surfaces.

Illustration of the convex model

VENT WITH SLOTS OF , mm

HEIGHT mm
Ø Radius Code
6 4 KTM20H10CR4-06
 INCLINED
MELTVENTS-KT
Super self-cleaning vents with conical slots recommended for areas with inclined surfaces.

Illustration of the
inclined model

VENT WITH SLOTS OF , mm

HEIGHT mm
Ø Ângle Código
6 20º KTM10H10I20-06
 Osmundo Santos Pellegrini Ave., 1651 - Jundiaí
São Paulo/Brazil - Zip code: 13211-745
Phone: +55 (11) 4815-1060 | Fax: +55 (11)4492-1022
www.ventistamp.com.br - info@ventistamp.com.br