From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Specification sheet for 'SAMSON' Automatic Temperature Regulators detailing their standard dimensions.
| Identifier | ExFiles\Box 66a\4\ scan0070 | |
| Date | 17th May 1927 | |
| THE STEAM FITTINGS CO. Ltd., West Drayton, Mdx. "SAMSON" Automatic Temperature Regulators DIMENSIONS OF STANDARD REGULATORS. Room Type. Liquid Type. Dimensions are approximate and subject to confirmation. Valve Controller should always hang downward. [STAMP TEXT: FO 192/] [STAMP TEXT: RECEIVED 17 MAY 1927] TABLE DATA: Valve Diam. ("): ½, ⅝, ¾, 1, 1¼, 1½, 2, 2½, 2¾, 3, 3½, 4, 5, 6 L: In Gun Metal ("): 3, 3½, 3¾, 4, –, –, –, –, –, –, –, –, –, – In C.I. Gun Metal Fitted ("): 3⅜, 3⅜, 4⅛, 4¾, 5¼, 6, 7, –, –, –, –, –, –, – L1: In Gun Metal ("): –, –, –, –, 5¼, 6, 6½, 8¼, 8⅝, 9½, 10, 11½, 12⅝, 15, 18 In C.I. Gun Metal Fitted ("): –, –, –, –, 5¼, 6, 6½, 8¼, 8⅝, 9½, 10, 11½, 12⅝, 15, 18 D* ("): 3⅜, 3⅜, 4, 4½, 4¾, 5¼, 6, 6, 6½, 6¾, 7¼, 8, 8½, 10, 11 D1* ("): 2⅝, 2⅝, 2⅞, 3¼, 3⅜, 3⅞, 4½, 5, 5, 5¾, 6½, 7, 8¼, 9¼ Number of Screws: –, –, –, –, 4, 4, 4, 4, 4, 4, 4, 4, 8, 8 Screw Dimensions ("): –, –, –, –, ½, ½, ⅝, ⅝, ⅝, ⅝, ⅝, ⅝, ⅝, ⅝ S ("): 9¼, 9¼, 10, 10, 10½, 10½, 11½, 12½, 12½, 13, 14, 18, 19, 21½ W ("): 12, 12, 12, 14, 15, 17, 19, 20½, 21¾, 23, 25½, 27½, 30½, –, – T ("): 20, 20, 20, 20, 20, 20, 25½, 25½, 25½, 25½, 31½, 31½, 35½, 40 A ("): 8.5, 8.5, 8.5, 8.5, 8.5, 8.5, 10, 10, 10, 10, 10, 10, 11, 11 * British Standard Table 1. If Flanges Table 2 are required, this should be specified. | ||