| REFRACTORY TUBES |
| Refractory Product for Aluminum Die Casters- Durable, low cost, Resists erosion, will not contaminate your process. For tougher applications order Extra Heavy refractory coating (add 1/8" to OD as shown) Standard lengths: 12", 18", 21", 24", 30", and 36". Other lengths available upon request. *Add protection tube length as suffix, multiples of 6" (152.4 mm) stocked. Standard shank OD is 1 1/4" and Standard tip OD is 1 1/2". Refractory tube will not shatter like ceramic tubes and will not contaminate the metal like iron or stainless protection tubes. Silicon Carbide tip for rapid thermocouple response. |
| Part Number | Tube I. D. | Shank O.D. | Tip O.D. | Fitting | Construction | |||
| in. | mm | in. | mm | in. | mm | |||
| RP24-* RP26-* RP28-* RP30-* |
1/2" 1/2" 3/4" 3/4" |
12.7 12.7 19.1 19.1 |
1 1/4" 1 3/8" 1 1/2" 1 5/8" |
31.8 34.9 38.1 41.3 |
1 1/2" 1 5/8" 1 3/4" 1 7/8" |
38.1 41.3 44.5 45.3 |
3/4" NPT 3/4" NPT 3/4' NPT 3/4" NPT |
|
| REFRACTORY TUBES-With Type K Thermocouple |
| Refractory Product for Aluminum Die Casters- Durable, low cost, Resists erosion, will not contaminate your process. For tougher applications order Extra Heavy refractory coating (add 1/8" to OD as shown) Standard lengths: 12", 18", 21", 24", 30", and 36". Other lengths available upon request. *Add protection tube length as suffix, multiples of 6" (152.4 mm) stocked. Standard shank OD is 1 1/4" and Standard tip OD is 1 1/2". Refractory tube will not shatter like ceramic tubes and will not contaminate the metal like iron or stainless protection tubes. Dual thermocouples available. Silicon Carbide tip for rapid response. |
| Part Number | Tube I. D. | Shank O.D. | Tip O.D. | Fitting | Construction | |||
| in. | mm | in. | mm | in. | mm | |||
20K4-RP24-* 20K4-RP26-* (Extra Heavy Coating) |
1/2" 1/2" |
12.7 12.7 |
1 1/4" 1 3/8" |
31.8 34.9 |
1 1/2" 1 5/8" |
38.1 41.3 |
3/4" NPT 3/4" NPT |
 |
| FLOATING REFRACTORY THERMOCOUPLE-Type K |
| Refractory Product for Aluminum Die Casters- Durable, low cost, Resists erosion, will not contaminate your process. Reads temperature 3" below the metal surface. Ideal for hand ladling applications Buoyant float with 20 gauge Type K flexible thermocouple installed with 36" of extension wire standard. Standard stem lengths: 6", 12", 16", 24". Other stem lengths available upon request. Stems are coated 2/3 of the length. Mounting sets available. Silicon Carbide tip for rapid response. |
| Part Number | Float O.D. | Length of Float | Construction | ||
| in. | mm | in. | mm | ||
| 20K4FT-* |
4 1/4" | 107.95 | 6.0" |
152.4 |  |
| CAST ALUMINA BASED REFRACTORY TUBES-(Richards Product) |
| For use in Molten Aluminum and Zinc-(Non-wetting
material) Mechanically strong- More durable than Silicon Carbide and other refractory tubes. Resists thermal shock. Non contaminating. Will not add iron particles to your process like cast iron tubes. 1/2" NPT 304 Stainless Steel inner protection tube is standard for additional life. Special internal construction to prevent cracking. Available in 12", 18", 24", 30", and 36" lengths.  |
| Part Number |
INCHES | MILLIMETERS | Mounting | Construction | ||
| O.D. | I.D. | O.D. | I.D. | |||
AS-* *Lengths 12" to 36" |
2 3/16" | .62" | 55.56 | 15.74 | 1/2" NPT Protection tube | Alumina
based refractory cast around 304 stainless steel protection tube |
| 1/2" NPT | ||||||
| © Copyright 2012 Arklay S. Richards Co., Inc. |
