Blind Risers / DOMES AND SPHERES

Exochem is a vacuum forming specialist. Our technical staff will customize and make the special shape to solve your problems. Our unique spherical shape risers increase yield by reducing metal weight of riser by as much as 30% compared to cylindrical shapes. Spherical risers are available from 1-1/2” to 24” inside diameters. These risers come with built in fire cracker cores and 50% reduced contacts. Our domes are available from 1.5” to 10” I.D. - additional sizes available and quoted upon request. Sizes are being added often, so if your size is not listed, please contact your salesperson for availablility. All domes and spheres are available with breaker rings or cores attached. Also available are sand/breaker cores with or without filter cloth, as an additional parting line for knock-off ease for gray and iron castings. Consult with your Exochem representitive for additional information.

DOMES
A B C A B C
1.50 2.25 2.25 4.00 5.00 7.00
2.00 2.75 3.00 4.00 5.00 8.00
2.00 2.75 6.00 4.50 5.50 6.00
2.50 3.25 3.75 4.50 5.50 7.00
2.50 3.50 4.00 5.00 6.00 7.50
2.50 3.25 6.00 5.00 6.00 10.00
3.00 3.75 4.50 6.00 7.00 9.00
3.00 3.75 6.00 7.00 8.00 8.00
3.50 4.50 5.25 8.00 9.00 9.00
4.00 5.00 4.00 9.00 10.50 8.00
4.00 5.00 6.00 10.00 12.00 10.00

SPHERES
A B C D
2.50 1.25 0.50 3.00
3.00 1.50 0.50 3.50
3.50 1.63 0.50 3.88
4.00 2.00 0.50 4.63
5.00 2.50 0.50 5.50
6.00 3.00 0.50 6.25
7.75 4.00 0.50 8.00
8.00 4.00 0.75 8.50
9.00 4.50 0.88 9.38
10.00 5.00 1.00 10.75
12.00 7.00 1.00 12.50
14.00 9.00 1.50 14.50
24.00 16.75 2.00 24.00