C ASHCROFT Trust the shield.® 1131 Differential Pressure Gauge FEATURES ■ High static pressure capability (up to 3,000 psi) ■ Ranges from 5 psi to 100 psi ■ Reed switches (optional) for direct system control ■ Superior magnets for smoother pointer motion ■ Buna-N Diaphragm & O-rings (others available) ■ Rolling diaphragm actuator (cannot see reverse pressure) TYPICAL USES ■ Filtration monitoring ■ Flow measurement ■ Leak detection and pressure drop SPECIFICATIONS Accuracy: ±2% ascending pressure full scale differential Process Connection Lower, back/in-line Location: Process Connection ^ NPT Female (STD.), Ve °r / NpT Female Sizes: Adapters (OPT.) Migration: Zero KEY BENEFITS • No migration of processing media • Economical means for measuring differential pressure • Switch outputs available • 5 year warranty Temperature: Maximum Static 3,000 psi WETTED COMPONENTS Actuator Rolling Diaphragm O-Rings/Diaphragm Buna-N Ceramic magnet and SS spring are also wetted components Body Material Aluminum, brass or stainless steel NON-WETTED COMPONENTS Case Material SS Window Glass (STD.), safety glass or plastic _(OPT.)_ All specifications are subject to change without notice. All sales subject to standard terms and conditions. ©2019 Ashcroft Inc. 1131_gauge_ds_RevB_Ltr_01-17-19

Data Sheet C ASHCROFT Trust the shield.® Range (coding examples only, see range table on page 3 for all standard ranges) All specifications are subject to change without notice. All sales subject to standard terms and conditions. ©2019 Ashcroft Inc. 1131_gauge_ds_RevB_Ltr_01-17-19

Data Sheet C ASHCROFT Trust the shield.® 1131- Single Scale psid kg/cm2 bar kPa - 0.25KSC 0.25BR 25KPa For reference only, consult Ashcroft for specific dimensional drawings. REGULAR CASE All specifications are subject to change without notice. All sales subject to standard terms and conditions. ©2019 Ashcroft Inc. 1131_gauge_ds_RevB_Ltr_01 -17-19