Dial Indicating Pressure Gauges Brass Case, Liquid Filled 300 SERIES * * * * * OPERATING SPECIFICATIONS 1. Working Pressure Limitations a. Dynamic Pressure The working pressure should be limited to 60% of the dial range. b. Static Pressure The working pressure, where no sharp Auctuations occur, should be limited to 90% of the dial range. APPLICATIONS Automotive Construction Hydraulics & pneumatics Mining Stamping & forming presses Transportation For details on accuracy/standard dial conguration and dial layouts, see pages 54-59. 14 High quality, heavy-duty liquid lled gauge Vacuum and compound ranges through 0 psi to 15,000 psi 2-1/2" and 4" gauge sizes Die cast brass case with natural brass nish Copper alloy or 316 stainless steel and brass wetted parts SERIES Pressure ranges Accuracy Temperature ranges* Measuring element Connection 300 Series (all) 25-300, 25-310 40-300, 40-310 300 Series (all) 25-300, 25-310 ( 600 psi) 25-300, 25-310 (800 psi to 6,000 psi) 25-300, 25-310 (7,500 psi to 15,000 psi) 40-300, 40-310 ( 1,000 psi) 40-300, 40-310 (15,000 psi) 25-300, 25-310 40-300, 40-310 SPECIFICATIONS Vacuum and compound ranges through 0 psi to 15,000 psi 1.6% full scale 1% full scale Media -4 F to 140 F (-20 C to 60 C) Ambient 0 F to 160 F (-18 C to 71 C) Optional temperature ratings available from -40 F to 212 F (-40 C to 100 C) Copper alloy "C" tube Copper alloy coiled safety tube 316 stainless steel coiled safety tube Copper alloy "C" tube 316 stainless steel coiled safety tube 1/4 NPT die-cast brass with the case. 7/16 - 20 SAE adjustable type straight thread with FKM O-ring is also available as a stock option on many ranges (-4 SAE). 1/4 NPT die-cast brass with the case. 1/2 NPT is available on certain 40-300 ranges as a stock option, and on all other 40-300 and 40-310's as a non-stock option. Die cast brass (natural brass nish) with safety relief plug Polished brass Acrylic with o-ring seal Case Cover ring Lens 300 Series (all) 300 Series (all) 300 Series (all) Pointer Dial 300 Series (all) 300 Series (all) Balanced aluminum, black nish Aluminum, white background with black scale. UV resistant. Movement 300 Series (all) Fill liquid** 300 Series (all) Brass and nickel-silver with highly polished bearing surfaces Glycerine * For every 18 F (10 C) shift in temperature from which the gauge is calibrated, the user can experience up to 0.4% additional error. ** See page 53 for gauge ll options. 300 SERIES ORDERING INFORMATION DIMENSIONS ORDERING INFORMATION GAUGE SIZES CASE TYPES PRESSURE RANGES SCALE OPTIONS CONNECTION SIZES OPTIONS 25 2-1/2 300 Brass, bottom connection 30vac -30 inHg to 0 psi 30/15 -30 inHg to 0 to 15 psi 40 4 310 Brass, back connection 30/300 -30 inHg to 0 to 300 psi 15 0 psi to 15 psi 300 0 psi to 300 psi 400 0 psi to 400 psi 3000 0 psi to 3,000 psi 5000 0 psi to 5,000 psi 6000 0 psi to 6,000 psi 30/30 -30 inHg to 0 to 30 psi 30 0 psi to 30 psi 600 0 psi to 600 psi 30/60 -30 inHg to 0 to 60 psi 60 0 psi to 60 psi 800 0 psi to 800 psi 7500 0 psi to 7,500 psi 30/100 -30 inHg to 0 to 100 psi 100 0 psi to 100 psi 1000 0 psi to 1,000 psi 10000 0 psi to 10,000 psi 15000 0 psi to 15,000 psi 30/160 -30 inHg to 0 to 160 psi 160 0 psi to 160 psi 1500 0 psi to 1,500 psi 30/200 -30 inHg to 0 to 200 psi 200 0 psi to 200 psi 2000 0 psi to 2,000 psi psi psi single scale 1/4 1/4 NPT CFF Chrome Front Flange CFFN Chrome Front Flange w/o holes BFF Brass Front Flange BLFF Black Front Flange SSRF 304SS Rear Flange psi/kPa psi/kPa dual scale psi/kg/cm2 psi/kg/cm2 dual scale psi/bar psi/bar dual scale SST SAE J1926-3:7/16-20 Adjustable GLO Glass Lens Overlay ST Stainless Steel Tagging SGO Safety Glass Overlay BT3 Brass Threaded Orice 0.3 mm 1/2 1/2 NPT RF Rear Flange CCR Chrome Cover Ring CBU Chrome Bezel & U-Clamp AR Adapter Ring BT4 Brass Threaded Orice 0.4 mm MIP Maximum Indicating Pointer LM Laser Marking BT8 Brass Threaded Orice 0.8 mm LL Polycarbonate Lens Please consult your local NOSHOK Distributor or NOSHOK, Inc. for availability and delivery information. NOTE: Refer to 300 Series Options & Accessories chart on page 51 for availability by part number. EXAMPLE 40 - 300 - 3000 - psi - 1/4 - BP3 Gauge size .........................................................................4" Case type .................................... Brass, bottom connection Pressure range & scale option ................0 psi to 3,000 psi Connection size ..................................................... 1/4" NPT Option ...................................Brass Press Fit Orice 0.3 mm 25-300 40-300 25-310 1.77" (45 mm) 1.34" (34 mm) 3.94" (100 mm) 2.48" (63 mm) 2.13" (54 mm) 2.36" (60 mm) 3.46" (88 mm) 0.55" (14 mm) 0.43" (11 mm) 2.48" (63 mm) 0.55" (14 mm) 0.87" (22 mm) 0.53" (13.5 mm) 1.34" (34 mm) 15 Dial Indicating Pressure Gauges Dimensions 40-310 25-300 Front Flange 3.35" (85 mm) 3.46" (88 mm) 1.38" (35 mm) 2.95" (75 mm) 3.94" (100 mm) 1.18" (30 mm) 2.48" (63 mm) 0.14" (3.6 mm) 2.09" (53 mm) 0.87" (22 mm) 0.55" (14 mm) 120 1.77" (45 mm) 40-300 Front Flange 4.53" (115 mm) 3.35" (85 mm) 3.15" (80 mm) 2.48" (63 mm) 0.55" (14 mm) 120 1.46" (37 mm) 40-310 Front Flange 25-300 Rear Flange 5.20" (132 mm) 2.78" (70.5 mm) 4.53" (115 mm) 3.35" (85 mm) 120 2.95" (75 mm) 0.14" (3.5 mm) 3.94" (100 mm) 0.20" (5 mm) 0.87" (22 mm) 0.08" (2 mm) 0.14" (3.6 mm) 0.87" (22 mm) 120 2.48" (63 mm) 2.95" (75 mm) 0.14" (3.5 mm) 3.98" (101 mm) 0.20" (5 mm) 0.43" (11 mm) 25-310 Front Flange 1.79" (45.5 mm) 5.20" (132 mm) 0.08" (2 mm) 1.46" (37 mm) 2.48" (63 mm) 0.14" (3.6 mm) 2.09" (53 mm) 0.55" (14 mm) 1.93" (49 mm) 120 16 0.08" (2 mm) 300 SERIES 40-300 Rear Flange 5.20" (132 mm) 0.08" (2 mm) 4.57" (116 mm) DIMENSIONS 25-310 Rear Flange 1.85" (47 mm) 3.35" (85 mm) 1.54" (39 mm) 0.20" (5 mm) 2.95" (75 mm) 2.48" (63 mm) 3.94" (100 mm) 0.20" (5 mm) 0.14" (3.5 mm) 3.46" (88 mm) 0.55" (14 mm) 0.87" (22 mm) 2.36" (60 mm) 120 120 40-310 Rear Flange 1.85" (47 mm) 5.20" (132 mm) 4.57" (116 mm) 0.08" (2 mm) 3.94" (100 mm) 0.20" (5 mm) 1.18" (30 mm) 0.87" (22 mm) 3.46" (88 mm) 120 25-310 Chrome Triangular Bezel with U-Clamp 40-310 Chrome Triangular Bezel with U-Clamp 3.46" (88 mm) 2.36" (60 mm) 0.16" (4 mm) 0.16" (4 mm) 3.94" (100 mm) 2.48" (63 mm) 2.68" (68 mm) 4.21" (107 mm) 1.18" (30 mm) 0.55" (14 mm) 1.26" (32 mm) 0.87" (22 mm) 1.93" (49 mm) 17