All stainless steel pressure gauge for ammonia Suitable for all gaseous and liquid media that will not obstruct the pressure system or attack copper alloy parts. Especially designed for refrigeration systems and ammonia. Manufactured according to EN 837-1 standards. STANDARD PARAMETERS Design: EN 837-1 Closing: Bayonet Mounting: See attached diagrams A or C Threaded connection: ½”BSP (UNE-EN 10226-1) IP protection: IP65 (EN 60529 / IEC 529) Accuracy: Class 1.0 Pressure limits: Static: ¾ end of scale Oscillating: ⅔ end of scale Maximum: Full scale for a short period of time Temperature limits: Environment: -40+65°C Fluid: 60°C Subdivision: According to standard EN 837-1 Pointer: Micrometric adjustment Sensor element: Bourdon tube (<60 Bar: "C" form; >60 Bar: helical) · Refrigeration · Air conditioning · Food industry Pressure relief system: Blow-out disc Overtemperature relief system: Upper plug Bottom with back flange B1 B2 MATERIALS Case: AISI 304 Stainless steel Bourdon tube and moving parts: AISI 316 Stainless steel Threaded connection: AISI 316 Stainless steel Display: Safety glass Dial: White laquered aluminum Pointer: Black laquered aluminum Welding: TIG welding Blow-out disc and overtemperature relief plug: Neoprene DIMENSIONS (mm) DN Mounting R1 7.Calibration certificate traceable to ENAC 7 point certificate Without certificate AISI 316 Stainless steel M13 Gesa Termómetros S.L. · C/ Barrikako Bidea Pol. Ind. Igeltzera Pabellón D3 · 48610 Urduliz (Bizkaia) SPAIN