TRIPLE VALVES 



167 



PC. No. Ref. No. Name of Part 



20,216 2 Body, complete, includes f-in. pipe plug. 

 Slide valve. 



Main piston, includes 5. 

 Main-piston ring. 

 Slide-valve spring. 

 Graduating valve. 

 Emergency piston. 

 Emergency- valve seat. 

 Emergency valve, includes 11 and 28. 

 Rubber seat. 

 Check-valve spring. 

 Check-valve case, complete, includes -in. 



pipe plug. 



Check- valve-case gasket. 

 Check-valve. 

 Strainer. 

 1-in. union nut. 

 1-in. union swivel. 

 Cylinder cap. 

 Graduating-stem nut. 

 Graduating stem. 

 Graduating spring. 

 Cylinder-cap gasket. 

 Bolt and nut, for cylinder cap. 

 Bolt and nut, for check- valve case 

 |-in. pipe plug. 

 1-in. union gasket. 

 Emergency-valve nut. 

 f-in. plug for exhaust outlet, not shown. 

 *Triple- valve gasket. 

 If the old-style slide valve or graduating valve is desired, 

 specify as follows: 



PC. No. Ref. No. Name of Part 

 1,769 3 Slide valve. 

 1,732 7 Graduating valve. 



These parts are not interchangeable with the standard 

 parts. The new-style slide valve, Piece No. 29,138, has a 

 straight drill through the longitudinal center line of the slide 

 valve for the new rV-in. graduating valve, Piece No. 29,139. 

 The old-style slide valve, Piece No. 1,769, has J-in. drill with 

 counter bore for the old graduating valve, Piece No. 1,732. 

 The graduating valves may be distinguished by the difference 

 in diameter and the fact that the old-style has a shoulder, 

 whereas the new-style has none. 



*Listed for convenience only, not included in H-2 triple valve. 



