background image

6

6

6

14

6.  TERMS OF WARRANTY

If  equipment  failure  occurs  in  the  normal  course  of  service  having  been  competently  
installed  and when operating within its specified duty limits warranty will be provided as 
follows:-

Ÿ

 

Up to 1 year - The item will be replaced or repaired at no charge.

Ÿ

 Over 1 year, less than two years - The item will be replaced or repaired at a 
cost to the customer of 50% of the Davis & Shirtliff market price.

The  warranty  on  equipment  supplied  or  installed  by  others  is  conditional  upon  the 
defective unit 

being promptly returned free to a Davis & Shirtliff ofce

 and collected 

thereafter when repaired. No element of site repair is included in the warranty and any site 
attendance  costs  will  be  payable  in  full  at  standard  charegeout  rates.  Also  proof  of 
purchase including the purchase invoice must be provided for a warranty claim to be 
considered.

Ÿ

In lieu of any warranty, condition or liability implied by law, the liability of   Dayliff in 
respect of any defect or failure of equipment supplied

 is limited to making good by 

replacement or repair 

(at the Company’s discretion) defects which under proper use 

appear therein and arise solely from faulty design, materials or workmanship within a 
specified period. This period commences 

immediately after the equipment has 

been delivered to the customer

 and at its termination all liability ceases. Also the 

warranty period will be assessed 

on the basis of the date that the Company is 

informed of the failure

.

Ÿ

The  warranty  applies  solely  to  equipment  supplied  and  no  claim  for 
consequential  damages

,  however  arising,  will  be  entertained.  Also  the  warranty 

specifically  excluded  defects  caused  by  fair  wear  and  tear,  the  effects  of  careless 
handling,  lack  of  maintenance,  faulty  installation,  incompetence  on  part  of  the 
equipment user, Acts of God or any other cause beyond the Company’s reasonable 
control. Also, any repair or attempt at repair carried out by any other party 

invalidates 

all warranties.

i)  General Liability 

ii)   Standard Warranty

       

Summary of Contents for BUF 4

Page 1: ...Installation Operating Manual BUF 4 Ultrafiltration Treatment Plant...

Page 2: ......

Page 3: ...2 1 Equipment Speci cation 4 2 2 Module Description 4 3 OPERATION 5 3 1 Pre Treatment 5 3 2 Filtration Flushing Process 5 3 3 Start Up Start Up Pre Checks 8 3 4 Module Flushing 8 3 5 Shutdown 8 4 1 C...

Page 4: ...treatment of groundwater with high TDS levels Standard models are suitable for low turbidity up to 15NTU raw water applications Systems are frame mounted and supplied as complete units with all neces...

Page 5: ...ut frequent operational intervention Due to the efficiency of the membranes it also offers considerable savings over conventional systems and is the ideal solution where potable water is required OPER...

Page 6: ...membrane expressed in microns BUF4 membranes have a 100K pore size Different membrane materials with the same nominal MWCO may have differing particle rejection Pore size distribution and uniformity r...

Page 7: ...nt operation including normal filtration and flushing cycle High efficiency single Dayliff feed backwash Cleaning pump saving energy i e Low CAPEX and OPEX Integrated automated backwash flushing clean...

Page 8: ...UF system which must be frequently cleaned at least once a day depending on the quality of water A variety of technologies can be used such as self cleaning screens and bag cartridge or disc filters D...

Page 9: ...ater is converted into a filtrate As contaminants are removed during the filtration mode the trans membrane pressure TMP increases difference in pressure between the feed and the filtrate line At the...

Page 10: ...lush Valve Flush CIP Tank 100LT Drain Solenoid Drain Valve FILTRATE Dayliff UF Membrane The Clean in Place CIP is performed by circulating CIP chemicals until UF membrane recovers operating flow and p...

Page 11: ...er operation of float valve in the Flush CIP tank 9 Confirm filtrate water quality is okay 10 Confirm dry running protection by closing and opening the raw water source 3 4 Module Flushing The Ultrafi...

Page 12: ...in pH The process operating parameters for the cleaning steps are provided in table below Summary of Cleaning Process Flushing Frequency Once every 20 to 60 minutes water source or pilot test reaults...

Page 13: ...he system skids just prior to start up If the UF membrane is exposed to air for an extended period of time the membrane may become dry and at risk to irreversible damage and therefore it is important...

Page 14: ......

Page 15: ...ctrical Issues Check to ensure that there are no electrical fuses blown or breakers tripped and that all electrical connections are secure Use a voltmeter to verify that the pump motor is getting suff...

Page 16: ...embrane and examine the interconnector O rings to ensure they are in position and free of cuts and debris Defective Or Oxidized Membrane If the membrane has been exposed to certain solvents or oxidant...

Page 17: ...lity Instruments malfunction Keep instruments calibrated Cross check values with handheld devices or off line laboratory equipment Membrane Abrasion Check pre filters debris in pipes examine membrane...

Page 18: ...liability implied by law the liability of Dayliff in respect of any defect or failure of equipment supplied is limited to making good by replacement or repair at the Company s discretion defects which...

Page 19: ......

Page 20: ......

Page 21: ...INS499A 11 22 www davisandshirtliff com...

Reviews: