WIKA 52782443 Type 23X.5X, size 4" Stainless Steel, crimped or removable bezel (53 or 54) Specifications according to data sheet: 23X.53 and 23X.54 Measuring System: Stainless Steel Case: Removable bayonet ring Scale range: 0/160 psi Process Connection: 1/2 NPT Connector location: lower mount Accuracy Class: +/- 1% (ASME B40.100 Grade 1A) Material pressure element: Measuring System 316L Case filling fluid: Glycerine Pointer: adjustable pointer Window: laminated safety glass Dial description: Pressure Gauge Standard: US-Standard color for 1.scale (outside): black dial background: White *WIKA�* serial number on dial: Serial number *...* Diaphragm seal system with 1 diaphragm seal Assembly specification High-Side: Direct assembly System fill fluid: KN 7 Glycerine; FDA Process temperature min.: + 10�C Process temperature max.: + 80�C Ambient temperature pressure meas. min: + 10�C Ambient temperature pressure meas. max: + 40�C Welded design, threaded process connection Specifications according to data sheet: ACS L990.34 (ACS 99.12) High-/Low-Side: High-Side Diaphragm seal: Model 990.34 Threaded connection: 1/2" NPT female Nominal pressure rating: 1500 PSI MWP Upper housing material / housing material: Stainless steel 1.4404 (316L); UNS S31603 Diaphragm material: Stainless steel 1.4404 (316L); UNS S31603 Lower housing material: in (Stainless steel 1.4404 (316L); UNS S31603) Diaphragm diameter: 2 in (52 mm) *