Part Numbering System

- Position of inlet adapter
- 'S' for sidefeed or 'E' for endfeed.

- Anti-Knockback spring strength - '0', '4' or '7' denotes the load of spring fitted.

  • '0' = no spring fitted.
  • '4' = 4 lb (18N) spring (fitted load).
  • '7' = 7 lb (31N) spring (fitted load).

Piston Material (if applicable) :-
'M' denotes Titanium.
'L' denotes Stainless Steel.
No character denotes Aluminium Alloy.