SFI-700 - Dwyer Instruments, Inc.
Contents
1. Ron FLOW moat Ee szea nce Pee ete mae peer ane Se sown Q MOIAMA 44 NOTE Read safety precautions on back before installing or operating INSTALLATION f 2 3 4 Use proper sealing compound on the fitting threads Check the flow direction arrow on hex to make sure the sight flow indicator is aligned properly Attach sight flow indicator to the correct size fittings Hold the sight flow indicator in place with the correct size wrench by the hex adjacent to the fitting Avoid over tightening the fittings or placing stress on the sight flow indicator Attach the other side of the sight flow indicator repeating steps 1 5 above making sure a torque load is NOT applied across the unit OPERATION f 2 2 W E ANDERSON DIV DWYER INSTRUMENTS INC Gradually introduce the medium into the sight flow indicator Avoid any pressure surges The rotation of the impeller indicates flow See table right for minimum flow surges The rotation of the impeller indicated flow See table right for minimum flow values By rotating the glass axially the wipers will clean the inner surface of the glass Care should be taken while medium is flowing P O BOX 358 MICHIGAN CITY INDIANA 46361 U S A Series 700 Sight Flow Indicators Specifications Installation and Operating Instructions Bulletin F 532. O RING WIPER O RING A VW Cs Mee Zg Me RENIN ACROSS m q b FLATS yo ez 7 ZZE 7 if CED ee H Sizes Dim L Dim H Inches Inches mm Inches mm 1 4 amp 3 8 2 3 4 70 1 1 2 38 1 2 amp 3 4 3 11 16 94 2 1 4 57 1 1 1 4 4 7 8 124 2 3 4 70 amp 1 1 2 SPECIFICATIONS Wetted Materials Body Model 700 nickel plated brass Model 700 SS 316 Stainless Window Tempered boroslicate glass O ring Florelastomer Wiper Florelastomer Spindle 416 Stainless Steel Impeller Acetal plastic Temperature Limit 212 F 100 C Pressure Limit 230 psig 1585 8 kPa Weight 1 to 5 Ib 45 to 2 3 kg Depending on model Options BSPP or BSPT metric thread forms less impeller bidirectional flow models Minimum Flows for Impeller Rotation nominal Water Air GPM LPM SCFM LPM 0 10 0 38 1 1 31 2 5 0 141 6 Phone 219 879 8000 www dwyer inst com Fax 219 872 9057 e mail info dwyer inst com You have purchased a quality Sight Flow Indicator Please protect your safety and that of others by observing the following safety instructions when installing and operating your new Sight Flow Indicator Your Safety and Others Depend on Proper Installation Never install a sight flow indicator unit in an unsupported and Operation position e Make sure that the lines connected to both sides of Always inspect sight flow indicator uni
3. ipment F O B factory or the full purchase price This warranty does not apply if the maximum ratings label is removed or if the instrument or equipment is abused altered used at ratings above the maximum specified or other wise misused in any way THIS EXPRESS LIMITED WARRANTY IS IN LIEU OF AND EXCLUDES ALL OTHER REPRESENTATIONS MADE BY ADVERTISEMENTS OR BY AGENTS AND ALL OTHER WARRANTIES BOTH EXPRESS AND IMPLIED THERE ARE NO IMPLIED WARRANTIES OF MERCHANTABILITY OR OF FITNESS FOR A PARTICULAR PUR POSE FOR GOODS COVERED HEREUNDER Buyers Remedies THE BUYER S EXCLUSIVE AND SOLE REMEDY ON ACCOUNT OF OR IN RESPECT TO THE FURNISHING OF NON CONFORMING OR DEFEC TIVE MATERIAL SHALL BE TO SECURE REPLACEMENT THEREOF AS AFORESAID THE SELLER SHALL NOT IN ANY EVENT BE LIABLE FOR THE COST OF ANY LABOR EXPENDED ON ANY SUCH MATERIAL OR FORM ANY SPECIAL DIRECT INDIRECT OR CONSEQUENTIAL DAMAGES TO ANYONE BY REASON OF THE FACT THAT IT SHALL HAVE BEEN NON CONFORMING OR DEFECTIVE Copyright 2010 Dwyer Instruments Inc Printed in U S A 2 10 FR 83 440787 00 Rev 2 W E ANDERSON DIV DWYER INSTRUMENTS INC Phone 219 879 8000 www dwyer inst com Fax 219 872 9057 e mail info dwyer inst com P O BOX 358 MICHIGAN CITY INDIANA 46361 U S A
4. pump e Avoid causing any damage to the glass surface when or the rapid opening of a supply valve can cause a installing the unit Even slight damaging the surface of large fluid surge with no back pressure These the glass may greatly reduce the glass strength conditions are similar to water hammer e Thermal Liquid Expansion Contraction These units are designed to use specific mediums i e This may be due to water freezing in the unit ora water air and oil For use with other mediums consult liquid thermally expanding in an isolated unit Both Dwyer Instruments Inc s Sales Department cases can be avoided by draining units when not in use Limited Warranty The Seller warrants all Dwyer instruments and equipment to be free from defects in workmanship or material under normal use and service for a period of one year from date of shipment Liability under this warranty is limited to repair or replacement F O B factory of any parts which prove to be defective within that time or repayment of the purchase price at the Seller s option provided the instruments have been returned transportation prepaid within one year from the date of purchase All technical advice recommendations and services are based on technical data and information which the Seller believes to be reliable and are intended for use by persons hav ing skill and knowledge of the business at their own discretion In no case is Seller liable beyond replacement of equ
5. ts for fractures the unit do NOT put undue stress on the unit at any cracks or other defects before installation If unit is found time with any defect do NOT install Consult factory The e Check alignment of lines on both sides of the unit to defective products performance and safety cannot be prevent torque from being applied to the unit when guaranteed installed e Always consider the weight of the unit fluid lines and In no instance are the temperature and pressure limits the medium when calculating stresses specified on the instrument to be exceeded This includes the following circumstances Use care when installing the sight flow unit to fittings e Water Hammer e Always hold unit with wrench at hex adjacent to The sudden surge that occurs when a downstream connection when installing flow is suddenly stopped i e shutting a valve This Do NOT apply torque loads across the unit causes the water in the line upstream to slam into the e Do NOT overtighten fittings wall stopping flow i e valve sometimes causing e Use proper sealing techniques i e pipe thread severe damage to the sight floe indicator Damage is sealant tape joint compound to ease tightening of due to the water mass momentum causing a large fittings and ensure proper seal pressure increase Do NOT hold unit by housing or glass when installing e Fluid Surges Always use the hex fitting provided Empty fluid lines pressurized suddenly i e by a
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