High-strength Riser Sleeve

I.Riser burns quickly, produces small amounts of gas, generates large amounts of heat, and has high compressive strength. Especially suitable for use on high-pressure molding lines with wet sand molds.

II.The high heating value and excellent insulation properties of this series of risers meet the high shrinkage efficiency requirements, with a shrinkage efficiency of up to 68%.

III.Anti conical structure, the upper wall thickness of the riser keeps the overheated metal away from the casting, and the thinner lower wall reduces the overheating of the neck metal.

Information

High-strength Riser Sleeve

Specification	Modulus (cm)	Volume (cc)	Method of Application	Application field	Cautions
Y8-36/17--770/30	1.3~4.2	37~772	High-pressure molding	Green sand	The size of the metal breaker core will affect the feeding effect of the riser

The feeding system has the following characteristics:

It can bear the pressure of the high-pressure molding line.
The mould sand is compacted excellently around the breaker core.
The exothermic material is completely separated from surface of castings.
Extremely small contract areas to the castings.
It is easy to be removed, and the fracture is in the same color of the casting.
It can be flexibly inserted.
It can effcetively solve the internal defect of isolated thermal center position in ductile iron castings.

High-strength Riser Sleeve

Riser Sleeve

Specification	Modulus	Volume	Size（mm）
Specification	Modulus	Volume	Du	du	Do	h	H	N	T
Y8-36/17	1.3	37	54	25	76	84	96	17	23
Y8-56/19	1.4	56	60	32	87	84	97	19	20
Y8-88/19	1.7	85	60	36	88	98	110	19	20
Y8-105/19	1.7	103	66	40	87	100	107	19	20
Y8-105/25	1.7	103	66	40	87	100	107	25	20
Y8-121/19	1.9	105	66	40	104	98	116	19	20
Y8-159/19	2.2	159	82	50	115	97	120	19	32
Y8-191/19	2.5	195	90	50	133	116	140	19	32
Y8-267/21	2.8	261	99	65	120	97	115	21	33.5
Y8-267/30	2.8	261	99	65	120	97	115	30	33.5
Y8-276/21	2.8	277	100	60	136	116	140	21	33.5
Y8-283/21	3.0	321	99	65	115	116	140	21	33.5
Y8-283/30	3.0	321	99	65	115	116	140	30	33.5
Y8-339/21	3.2	336	99	65	133	121	140	21	33.5
Y8-339/30	3.2	336	99	65	133	121	140	30	33.5
Y8-339/40	3.2	336	99	65	133	121	140	40	33.5
Y8-590/30	3.4	519	110	80	142	127	150	30	35
Y8-590/40	3.4	519	110	80	142	127	150	40	35
Y8-680/30	3.8	643	110	80	145	163	175	30	35
Y8-770/30	4.2	772	110	80	205	180	205	30	35

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