Φ—Signify center distance of assembling movement's mounting groove.
L—Signify the length of needle pivot (which means shaft gear).
Product Name: Movement for 2.5 inch differential pressure gauge
Material: stainless steel 304 or brass
Transmission ratio: 8.89
Movement's shaft gear: 18
Color: Original color
Certificate: ISO9001; ISO14001
Used: differential pressure gauge