20 Precision Service To order filled, see filling chart below. 100MM STAINLESS STEEL GAUGE OPTIONS OPTION TYPE SUFFIX AVAILABLE ON MODELS Fill Medium Dry (no fill) Standard Glycerine (GL) Add suffix P All ranges Silicone (SL) Add suffix PI 100MM STAINLESS STEEL GAUGE • Liquid Filled or Dry • Field Fillable • Ranges to 10,000 psi • Heavy Duty Stainless Steel Marsh Instruments Stainless Steel Gauges are built for extended life, and designed for harsh and corrosive environments. These stainless steel gauges feature top fill plugs and are field fillable. Pressure ranges are available to 10,000 psi. Marsh Liquid Filled Gauges offer significant cushioning and dampening which reduces pointer flutter and internal gauge damage. Typical applications include refineries, chemical plants, offshore platforms, oil rigs, marine applications, general industrial application and OEM processes. TYPE 100MM STAINLESS STEEL GAUGES Size 100mm 100mm 100mm Case Material Stainless Steel Stainless Steel Stainless Steel Internals 316 Stainless Steel 316 Stainless Steel 316 Stainless Steel Mounting / Case Style LM UC FF Connection 14 NPT 14 NPT 14 NPT Scale Standard psi/kPa psi/kPa psi/kPa 0 to 30 psi H10742 H10842 H10842R 0 to 60 psi H10746 H10846 H10846R 0 to 100 psi H10748 H10848 H10848R 0 to 160 psi H10752 H10852 H10852R 0 to 200 psi H10754 H10854 H10854R 0 to 300 psi H10758 H10858 H10858R 0 to 400 psi H10760 H10860 H10860R 0 to 600 psi H10764 H10864 H10864R 0 to 1,000 psi H10772 H10872 H10872R 0 to 1,500 psi H10774 H10874 H10874R 0 to 2,000 psi H10776 H10876 H10876R 0 to 3,000 psi H10778 H10878 H10878R 0 to 5,000 psi H10782 H10882 H10882R 0 to 10,000 psi H10790 H10890 H10890R DIMENSIONS .22 DIA (3) HOLES 1/4 NPT - 3/4 HEX 4.00 DIA PANEL OPENING 4.25 DIA 4.96 DIA 3.88 DIA 120º 120º 4.56 DIA. .65 1.26 1.75 1.14 1/4 NPT - 3/4 HEX 1.50 3.00 3.88 DIA 1.14 4.25 DIA .72 MAX PANEL 4.00 DIA PANEL OPENING .65 1.26 1.75 STANDARD RANGES & PART NUMBERS SPECIFICATIONS ACCURACY ASME Grade 1A – ±1.0% of range across full scale CASE SIZES 100mm diameter (4") CASE MATERIAL 304 Stainless Steel CASE STYLES LM – Lower Mount UC – U-Clamp Mount FF – Front Flange Mount TUBE & SOCKET 316 Stainless Steel MOVEMENT Stainless Steel CONNECTION 14" NPT lower or lowerback connection RANGES 30 to 10,000 psi DIAL STANDARD Dual scale psi and kPa DIAL COLOR Black markings on white POINTER Aluminum, black painted WINDOW Acrylic FILL MEDIUM See options VENT Rubber plug with snip-off feature Front Flange (FF) U-Clamp (UC)

21 Precision Service STANDARD RANGES & PART NUMBERS To order filled, see filling chart below. QUALITY SERIES 100MM STAINLESS STEEL INTERNAL GAUGE OPTIONS OPTION TYPE SUFFIX AVAILABLE ON MODELS Fill Medium Dry (no fill) Standard All ranges Glycerine (GL) Add suffix P Silicone (SL) Add suffix PI Catalog Dials psi only E Bar only L1 kg/cm2 only L2 kPa only L3 MPa only L4 psi & BAR W1 psi & kg/cm2 W2 psi & MPa W4 QUALITY SERIES 100MM STAINLESS STEEL INTERNAL GAUGE • Liquid Filled or Dry - Field Fillable • Adjustable Micrometer Pointer • Ranges to 15,000 psi • Safety Glass Window Marsh Stainless Steel...

22 Precision Service To order filled, see filling chart below. SPECIFICATIONS ACCURACY ASME Grade 1A – ±1.0% of range across full scale CASE SIZES 100mm diameter (4") CASE MATERIAL 304 Stainless Steel CASE STYLES LM – Lower Mount TUBE & SOCKET Copper alloy MOVEMENT Stainless Steel CONNECTION 12 NPT lower mount RANGES Vacuum to 10,000 psi DIAL STANDARD Single scale psi DIAL COLOR Black markings on white POINTER Aluminum, black painted, micro-adjustable WINDOW Safety Glass FILL MEDIUM See options VENT Rubber plug with snip-off feature TYPE QUALITY SERIES 100MM COPPER ALLOY INTERNAL GAUGES Size...

23 Precision Service ‘HW’ 160MM STAINLESS STEEL GAUGE • Liquid Filled or Dry - Field Fillable • Socket Welded to the Case • Ranges to 20,000 psi • Heavy Duty All Stainless Steel Marsh Instruments Stainless Steel Gauges are built for extended life, and designed for harsh and corrosive environments. These stainless steel gauges feature top fill plugs and are field fillable. Pressure ranges are available to 20,000psi. Marsh Liquid Filled Gauges offer significant cushioning and dampening which reduces pointer flutter and internal gauge damage. Typical applications include refineries, chemical plants,...

100MM ELITE STAINLESS STEEL GAUGE • All Stainless Steel • Field Fillable • Ranges to 10,000 psi • Liquid Filled or Dry • Solid Front Design — Safecase Marsh Instruments all stainless steel gauges are built for extended life, and designed for harsh and corrosive environments. These stainless steel gauges feature top fill plugs and are field fillable. Marsh Liquid Filled Gauges offer significant cushioning and dampening which reduces pointer flutter and internal gauge damage. Typical applications include refineries, chemical plants, offshore platforms, oil rigs, marine applications, general industrial...

25 Precision Service SPECIFICATIONS ACCURACY ASME Grade A –±2/1/2% (±1% of range in middle half of scale) CASE SIZES 312" and 412" diameter 6" diameter (see options) CASE MATERIAL Steel, black painted CASE STYLE F – Front Flanged, Lower Back Mount with U-Clamp; 412" has Hinged Ring (LBM) G – Back Flanged case P – Plain Case, Lower Mount TUBE & SOCKET Copper alloy MOVEMENT Stainless Steel RECALIBRATOR Standard 312" only, 412" has adjustable pointer CONNECTION 14 or 12 NPT RANGES 0 to 30" Hg VAC; Compound 30" Hg VAC to 300 psi; 15 to 20,000 psi DIAL STANDARD Single scale psi DIAL COLOR Black markings...

26 Precision Service 1.25 L PANEL OPENING N Q DRILLING TEMPLATE A B C M J H .75 ACROSS WRENCH FLATS BLOWOUT PLUG J D E G B C 120º 120º H K .75 ACROSS WRENCH FLATS A CASE PATTERNS & DIMENSIONS Size A B C H J L M N Q 312" 4.86 1.66 1.55 3.75 1.16 3.75 .11 2.81 4.25 412" 6.31 1.39 2.15 4.81 1.27 4.88 .11 3.88 5.31 QUALITY GAUGE OPTIONS OPTION TYPE SUFFIX AVAILABLE ON MODELS Restrictors Add restrictor H All ranges Catalog Dials bar only L1 See Marsh Price List for minimum kg/cm2 only L2 kPa only L3 MPa only L4 psi & bar W1 psi & kg/cm2 W2 psi & kPa W3 psi & MPa W4 Custom Dials Logo or Custom Face...