| ASMUSS CODE | Size (NB) mm | Description | 
|---|---|---|
| PA11546DA/15 | 15mm | PA11 Double Acting | 
| PA11546DA/20-25 | 20-25mm | PA11 Double Acting | 
| PA21546DA/32-40 | 32-40mm | PA21 Double Acting | 
| PA21546DA/50 | 50mm | PA21 Double Acting | 
| PA40546DA/80 | 80mm | PA40 Double Acting | 
| PA45546DA/100 | 100mm | PA45 Double Acting | 
| PA11546/15 | 15mm | PA11 Fail Close | 
| PA11546/20-25 | 20-25mm | PA11 Fail Close | 
| PA21546/32-40 | 32-40mm | PA21 Fail Close | 
| PA21546/50 | 50mm | PA21 Fail Close | 
| PA40546/80 | 80mm | PA40 Fail Close - Fail Open | 
| PA40546/100 | 100mm | PA40 Fail Close - Fail Open | 
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