Differential Pressure Indicators
Series DPI • Series DPIS with Switch

Features

• Clear indication of filter performance
• Compact and reliable
• 1/8" FNPT Connections
• Choice of 0-15 PSID or 0-30 PSID Gauge; accuracy is ±5% FS
• Corrosion-resistant thermoplastic connections; PVC or CPVC
• EPDM or FKM elastomers
• No wetted metal parts.
• Made in USA

Plast-O-Matic differential pressure indicators are designed to show at a glance if maximum filter pressure has been exceeded. Maximum line pressure rating is 150 PSI.

Dimensions

Part Numbers:

See notes below.

Notes -- Body and Seal Materials: All part numbers shown are PVC bodies with FKM (Viton) seals. For CPVC bodies, change “-PV” to “-CP”. For EPDM seals, change first “V” to “EP”. For example, DPI125V - becomes DPI125EP.

Notes -- Switch Specification: All switch types are determined by the final A/B/C in the part number, for example, DPIS125V-PV-30-A-1 and are defined as follows:
A: SPST Normally Open
B: SPST Normally Closed
C: SPDT
Switch rating is 125V AC, 0.7 amps.

Pressure/Temperature Ratings:

Maximum temperature rating is 140ºF for PVC, 180ºF for CPVC. Minimum temperature rating is 32ºF. Maximum line pressure rating for DPI/S is 150 PSI.