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USER INSTRUCTIONS
Installation
Durco Mark 3 sealed metallic pumps
Operation
Mark 3 Standard, In-Line, Lo-Flo, Recessed Impeller,
Maintenance
Unitized Self-Priming and Sealmatic pumps
PCN=71569102 08-06 (E) (incorporating P-10-502-E)
These instructions must be read prior to installing,
operating, using and maintaining this equipment.
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MARK 3 USER INSTRUCTIONS ENGLISH 71569102 08-06 CONTENTS Page Page CONTENTS ............................................................ 2 6 MAINTENANCE................................................. 39 6.1 Maintenance schedule................................. 40 1 INTRODUCTION AND SAFETY.......................... 3 6.2 Spare parts.................................................. 40 1.1 General......................................................... 3 6.3 Recommended spare
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MARK 3 USER INSTRUCTIONS ENGLISH 71569102 08-06 To confirm the Approvals applying and if the product is 1 INTRODUCTION AND SAFETY CE marked, check the serial number plate markings and the Certification. (See section 9, Certification.) 1.1 General 1.3 Disclaimer These instructions must always be kept close to the product’s operating location or Information in these User Instructions is believed directly with the product. to be reliable. In spite of all the efforts of
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MARK 3 USER INSTRUCTIONS ENGLISH 71569102 08-06 1.6 Safety NEVER DO MAINTENANCE WORK WHEN THE UNIT IS CONNECTED TO POWER 1.6.1 Summary of safety markings (Lock out.) These User Instructions contain specific safety markings where non-observance of an instruction would DRAIN THE PUMP AND ISOLATE PIPEWORK cause hazards. The specific safety markings are: BEFORE DISMANTLING THE PUMP The appropriate safety precautions should be taken This symbol indicates electrical safety whe
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MARK 3 USER INSTRUCTIONS ENGLISH 71569102 08-06 1.6.4 Products used in potentially explosive HAZARDOUS LIQUIDS atmospheres When the pump is handling hazardous liquids care must be taken to avoid exposure to the liquid by Measures are required to: appropriate pump placement, limiting personnel · Avoid excess temperature access and by operator training. If the liquid is · Prevent build up of explosive mixtures flammable and/or explosive, strict safety procedures · Prevent the gen
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MARK 3 USER INSTRUCTIONS ENGLISH 71569102 08-06 1.6.4.2 Marking Maximum permitted liquid temperature for pumps An example of ATEX equipment marking is shown with self priming casing below. The actual classification of the pump will be Maximum Temperature limit of liquid Temperature surface handled (* depending on engraved on the nameplate. class to temperature material and construction EN 13463-1 permitted variant - check which is lower) II 2 GD c IIC 135 ºC (T4) T6 85 °C (185
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MARK 3 USER INSTRUCTIONS ENGLISH 71569102 08-06 In addition, it is essential to make sure that seal 1.6.4.7 Maintenance of the centrifugal pump to chambers, auxiliary shaft seal systems and any avoid a hazard heating and cooling systems are properly filled. CORRECT MAINTENANCE IS REQUIRED TO AVOID POTENTIAL HAZARDS WHICH GIVE A If the operation of the system can not avoid this condition it is recommended that you fit an RISK OF EXPLOSION appropriate dry run protection device (f
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MARK 3 USER INSTRUCTIONS ENGLISH 71569102 08-06 Similarly the motor noise assumed in the “pump and 1.8 Noise level motor” noise is that typically expected from standard Attention must be given to the exposure of personnel and high efficiency motors when on load directly driving to the noise, and local legislation will define when the pump. Note that a motor driven by an inverter may guidance to personnel on noise limitation is required, show an increased noise at some speeds. and
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MARK 3 USER INSTRUCTIONS ENGLISH 71569102 08-06 2.3.1.3 Bearing housing [3200] 2 TRANSPORT AND STORAGE Group 1: insert a sling between the upper and lower 2.1 Consignment receipt and unpacking support ribs between the housing barrel and the Immediately after receipt of the equipment it must be casing attachment flange. Use a choker hitch when checked against the delivery/shipping documents for slinging. (Make sure there are no sharp edges on the its completeness and that t
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MARK 3 USER INSTRUCTIONS ENGLISH 71569102 08-06 2.4 Storage Store the pump in a clean, dry location away from vibration. Leave flange covers in place to keep dirt and other foreign material out of pump casing. Turn the pump shaft at regular intervals to prevent brinelling of the bearings and the seal faces, if fitted, from sticking. The pump may be stored as above for up to 6 months. Consult Flowserve for preservative actions when a longer storage period is needed.
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MARK 3 USER INSTRUCTIONS ENGLISH 71569102 08-06 After unpacking, protection will be the responsibility of 3.2 Nomenclature the user. Addition of oil to the bearing housing will The pump size will be engraved on the nameplate remove the inhibitor. If units are to be idle for extended typically as below: periods after addition of lubricants, inhibitor oils and 2 K 6 X 4 M - 13 A /12.5 RV greases should be used. Every three months, the pump shaft should be rotated approximatel
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MARK 3 USER INSTRUCTIONS ENGLISH 71569102 08-06 3.4.1 Alloy cross reference chart 3.3 Design of major parts Figure 3-2 is the Alloy cross-reference chart for all Mark 3 pumps. 3.3.1 Pump casing Removal of the casing is not required when performing 3.4.2 Pressure-temperature ratings maintenance of the rotating element. The pump is The pressure-temperature (P-T) ratings for Mark 3 designed with a gasket perpendicular to the shaft pumps are shown in figures 3-3 and 3-4. Det
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MARK 3 USER INSTRUCTIONS ENGLISH 71569102 08-06 Figure 3-2: Alloy cross-reference chart Flowserve Durco legacy ACI Equivalent wrought ASTM Material Designation material code codes designation designation specifications Group No. E3020 Ductile iron DCI None None A395, Gr. 60-40-18 1.0 E3033 High chrome iron CR28 None None A532 class 3 Cr E4027 High chrome iron CR29 None None None Cr E4028 High chrome iron CR35 None None None Cr C3009 Carbon steel DS None Carbon steel A216 Gr. WCB 1.1
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MARK 3 USER INSTRUCTIONS ENGLISH 71569102 08-06 Figure 3-3: Class 150 flanges Material Group No. Temp ºC 1.0 1.1 2.1 2.2 2.8 3.2 3.4 3.5 3.7 3.8 3.17 Ti Cr ( ºF) bar (psi) -73 19.0 19.0 19.7 9.7 15.9 15.2 20.0 20.0 15.9 20.0 – – – (-100) (275) (275) (285) (140) (230) (220) (290) (290) (230) (290) -29 17.2 19.7 19.0 19.0 19.7 9.7 15.9 15.2 20.0 20.0 15.9 20.0 – (-20) (250) (285) (275) (275) (285) (140) (230) (220) (290) (290) (230) (290) -18 17.2 19.7 19.0 19.0 19.7 9.7 15.9 15
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MARK 3 USER INSTRUCTIONS ENGLISH 71569102 08-06 Figure 3-4B: Group 2 - 13 in. Lo-Flo pumps with Class 300 flanges Material Group No. Temp ºC 1.0 1.1 2.1 2.2 2.8 3.2 3.4 3.5 3.7 3.8 3.17 Ti ( ºF) bar (psi) -73 31.0 31.0 31.0 17.4 24.1 27.6 31.0 31.0 24.1 31.0 – – (-100) (450) (450) (450) (400) (450) (450) (450) (252) (350) (350) -29 17.4 24.1 24.1 31.0 31.0 31.0 31.0 31.0 27.6 31.0 31.0 31.0 (-20) (450) (450) (450) (450) (450) (252) (350) (400) (450) (450) (350) (450) -18 31.0
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MARK 3 USER INSTRUCTIONS ENGLISH 71569102 08-06 Figure 3-5a: Suction pressure limits 1 750 r/min 27.5 400 11 25 360 10 22.5 320 9 8 20 280 7 6 4 17.5 5 240 15 200 12.5 160 10 120 3 7.5 80 5 40 2.5 1 2 0 0 0.4 0.8 1.2 1.6 2 2.4 Specific Gravity Figure 3-5b: Suction pressure limits 3 500 r/min 27.5 400 25 360 22.5 320 20 280 18 17.5 17 240 15 200 16 12.5 15 160 14 10 13 120 12 7.5 11 80 5 10 3 40 2.5 1 2 5 6 7 8 9 4 0 0 0.4 0.8 1.2 1.6 2 2.4 Specific Gravity Page 16 of 68 flowserve.c
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MARK 3 USER INSTRUCTIONS ENGLISH 71569102 08-06 Figure 3-6: Suction pressure reference numbers Figure 3-7: Minimum continuous flow Pump size 1 750 3 500 MCF % of BEP Pump size 1K 1.5x1-6 7 10 3 500/2 900 1 750/1 450 1 180/960 r/min r/min r/min 1K 3x1.5-6 10 15 1K3x2-6 20% 10% 10% 1K 3x2-6 10 12 1K3x2-7 25% 10% 10% 1K 2 x1.5V-6 PT 18 2K3x2-8 20% 10% 10% 1K 1.5x1-8 7 6 2K4x3-8 20% 10% 10% 1K 1.5x1.5US-8 2K3x2-10 30% 10% 10% PT 1K 2x1.5V-8 16 2K4x3-10 30% 10% 10% 1K 3x1.5-8 4
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MARK 3 USER INSTRUCTIONS ENGLISH 71569102 08-06 The most advantageous method is the one that 4 INSTALLATION permits the pump to move with the piping. This eliminates problems due to thermal expansion, as the Zirconium 702 or high chrome iron components pump is designed to withstand forces that the piping is normally capable of transmitting. If any of the components of the pump have been made of zirconium or high chrome iron, 4.3.3 Rigid baseplates - overview the following
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MARK 3 USER INSTRUCTIONS ENGLISH 71569102 08-06 Some users may desire an even flatter surface, i) Tighten the top and bottom nuts at the lock which can facilitate installation and alignment. washer [3] first then tighten the other nuts. Flowserve will supply flatter baseplates upon j) It should be noted that the connecting pipelines request at extra cost. For example, mounting must be individually supported, and that the stilt surface flatness of 0.17 mm/m (0.002 in./ft) is mounted ba
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MARK 3 USER INSTRUCTIONS ENGLISH 71569102 08-06 k) It should be noted that the connecting pipelines 4.4 Grouting must be individually supported, and that the a) The pump foundation should be located as close spring mounted baseplate is not intended to to the source of the fluid to be pumped as support total static pipe loads. practical. b) There should be adequate space for workers to Figure 4-4 install, operate, and maintain the pump. The foundation should be sufficient to a
