Part Number Breakdown
- 15: Rc1/2" port size.
- W: White Series modular design.
- T8: Fitted with an Auto-Drain mechanism (Normally Open type—exhausts when not pressurized).
- X1: Reverse flow orientation (Right to Left direction).
- P4: Special validation suffix, often denoting specific cleanroom, copper-free, or specialized environmental certifications (such as the P4 series)