Minimal
effect on output pressure from variation of
supply pressure
Bellofram Rolling Diaphragm
Product
Detail:
The P38 uses a patented balanced
pintle design which eliminates unsteady changes in
outlet pressure due to inlet pressure fluctuations.
The P38 is a spring opposed, diaphragm - operated,
non-relieving regulator. The use of a relief valve
is recommended for this product in accordance with
NFPA 58.
P32-P38 (3.6 MB) 
