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BENTLY NEVADA 3300/35
BENTLY NEVADA 3300/35
选用超声流量计要特别注意传感器的安装误差、管道内壁结垢、防腐层均匀与否，这些因素对测量结果影响很大。另据超声流量计的测量原理，只有流速分布均匀时才能保证测量的精确度，所以在流量计的上下游要有足够的直管段，参考各种资料及流量计的使用手册，要求上游最少不小于10D，下游大于5D。
由于自来水行业为连续生产，进行不间断计量是极为重要的，所以一般安装于管道上的流量计不能经常拆卸送检，一般做法是采用精确度较高的便携式超声流量计，按周期送国家认证单位进行校准，作为企业的标准器具，再用比对的方式定期检测在线流量计。这需要设计人员在设计时应根据使用单位要求，考虑将来生产管理的需要，预留出比对测量的空间，以方便用户，即将流量计井做得稍大一些，除安装固定式流量计外，还应如图1所示预留出便携式流量计测量的空间。
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BENTLY NEVADA 3300/351” x 34” Aeroquip Matchmate Plus 5000 PSI GH793-16 Hose 2 Wire Braid Reinforce
½” NPT Female Sharpe Technical 316 Ball Valve Unibody, Inline 58876 Series
(25) PACKS HUMIDITY DESICCANT INDICATOR CARDS With Reusable Silica Gel 20-50%
AIRCO BRASS PRESSURE GAUGE 0-200 PSI /0-1400 KPA 2 ½” NO BOX
SENCO FASTENING SYSTEMS AX13EAA 5000 1” 18GA Brad Nail
AIRCO BRASS PRESSURE GAUGE 0-400 PSI /0-2800 KPA 2 ½” NO BOX
(2) 14143-12-12 Parker PARKRIMP 43 #12 Female JIC 37° x 3/4" i.d. Hose Fittings
5,000 Senco 3/4" 19mm Galvanized 18 Gauge Brads AY11EAA Contractor Pack
580012151 YALE / Hyster 2037740 Hydraulic Filter Forklift Lift Truck
PNEUMATECH REPLACEMENT FILTER PJ35-11 Compressed Air Filter 3 ½” x 1 ¾” Diameter
½” x 14’ (168”) Double Wire Braid Military Hydraulic Hose 3,500 PSI
Porter Cable DA15125 DA Finish Nails 15 GA x 1-1/4" 4000 count
4” Dial 300 PSI Pressure Gauge 1/4” NPT Lower Mount Green ABS Dual Scale 4EFH6
Numatics L21L-03M Air Line Lubricator
KIMDEN 12 UNIT MULTI-WINDOW LED LIGHTS KFC-27F
Senco L13BABN 1/4 6mm Galvanized Crown Finish Staples w 1" 25mm Leg 18Gauge
DAYTON 2L438, Cogged V Belt, (5/8” x 86”) 5VX860, 2L438
Senco L15BAB 18ga 1/4" Crown 1-1/4" Chisel Point Galvanized Staples Box of 5000
SENCO L08BAB Staples 1/4" Crown x 1/2" leg 18 Gauge
Morse 40R 127714 10' RIVETED ROLLER CHAIN Pitch 1/2 In
850H300 Timing Belt | 85" Length, 1/2" Tooth Pitch, 3" Width, 170 Teeth
Lot Of 3 HOFFMAN 66LSGQR - 19980 19506098 Sealed Bag NEW
Weltec S-13 Electrode 1/8” x 14” 3.2mm 4 Pound Bag
Master Pneumatic Silencer Reclassifier MRS100-8 (1” NPT)
38" STAINLESS BRAIDED HOSE 1500PSI 4720006783286 JIC AN TITEFLEX
2” 45*SS ELBOW & 2”x1” REDUCER SCHEDULE 80 PVC NEW, CHEMTROL / NIBCO
Martin D50B21H Double 50 Standard Roller Chain Sprocket 1” B Hub 21Teeth
Parker Schrader Bellows F6 series end plate kit PS363100P
AIRCO BRASS PRESSURE GAUGE 0-4000 PSI /0-28000 KPA 2 ½” NO BOX
MARTIN 60BS20H- 1 7/16” 20 TEETH CHAIN SINGLE ROW SPROCKET
SMITH CR-2-1/4-X, Cam Follower,Sealed,Roller D: 2.25" x W 1.25"
Spears 3" x ¾" Saddle Clamp PVCI Sch. 80 / 867-334SR
PARKER RK2AHL0175 ROD SEAL KIT Series: 2A, 2H, 3L, VH 1 3/4" IN SEALED BAGS
PR322H0005 Parker Cylinder Piston Ring Kit Series: 2H, 3L, VH IN SEALED BAGS
Martin 80B19 Roller Chain Sprocket #80 Pitch 19 Teeth 2.125 Bore NEW
116" STAINLESS BRAIDED HOSE 4720015599893 Hose-2.1 ss flexible 0.484 OD
4 Pounds E310-16 Stainless Welding Rod 3/32” x 12” & 1/8” x 14”
Ross EEZ-ON Soft Start Pneumatic Valve 271A86
Browning Q2 2 1/8, Split Taper Bushing, 2 1/8” Bore For Companion Shee
½” x 14’ (168”) Double Wire Braid Military Hydraulic Hose 3,500 PSI
8" Galvanized Steel DUCT ConNECTOR COUPLER Engineered Air Systems Portable Heatr
Spur Gear 61Teeth, 15.25”OD, 2.738” Bore 6 Spline, 20 Degree, 2.50” Face
Armored Crush Proof 3/8” x 35’ Air Tool Hose Military Quality
Browning Q2 2 1/8, Split Taper Bushing, 2 1/8” Bore For Companion Shee
4MVB60Q 4 Groove Pulley Shee 6.35 OD A or B Q2 Bushing Required 1” to 2 5/8” B
LENZE MCS 06F41 RS0B0 B11N ST5S00N R2SU 0.51KW 0.68 HP Servo Motor NEW
2250112-32 SULLAIR 1/4" AIR ConTROL LINE FILTER 02250112-032 NORGREN
1 ½” Cam Lock Coupler 316 Stainless 1 ½” FNPT STA-LOK II 1400415L2, D-Coupler
Model 20 Eskridge Gear Swing Drive Motor 25,000 in-lb Torque 20BD1A34
Martin DS120A15 2 ¾” Bore 15 Teeth 120 Pitch Roller Chain Sprocket Double Single
Martin D50B21H Double 50 Standard Roller Chain Sprocket 1” B Hub 21Teeth
Martin 80B19 Roller Chain Sprocket #80 Pitch 19 Teeth 2.125 Bore NEW
Martin 120B12 Roller Chain Sprocket #120 Pitch 12 Teeth 2.375 Bore NEW
VICTOR VTS 450A-580 TWO STAGE Air Oxygen Inert Gas Regulator & Extras 0781-3907
PNEUMATECH REPLACEMENT FILTER PJ35-11 Compressed Air Filter 3 ½” x 1 ¾” Diameter
Norman 4300 Stainless In-Line Filter 3000 PSIG Replaceable 10 Micron 304 Element