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M01E03.053

M13E11 060

Warranty Claims

1.  Prior  to  returning  any  product  to  Blacoh  based  on  a  claim  of  breach  of  Warranty  or  PTFE  Bellows 

Warranty,  a  Blacoh  Return  Request  form  must  be  completed.    The  form  will  be  reviewed  by  Blacoh  to 

determine if a Return Merchandise Authorization (RMA) number will be issued.  The issuance of an RMA 

number does not constitute Blacoh's acknowledgment or agreement that the warranty claim is justified or 

correct.

2.  If an RMA number is issued by Blacoh, customer should then deliver the product in question to the address 

specified on the RMA, freight prepaid. 

3.  All products so returned to Blacoh based on a claim of breach of Warranty or of PTFE Bellows Warranty 

must  be  cleaned,  sanitized  and  neutralized  prior  to  shipment  to  Blacoh.    Blacoh  will  not  accept  any  part 

that contains corrosive chemicals, organic cultures, blood, any harmful residue or air borne materials that 

might contaminate a breathable atmosphere or put at risk any person or property.  Any shipment that does 

not comply will be returned at the expense of the customer, or the customer will be required to arrange for 

pickup. 

4.  HAZMAT SHIPMENTS WILL BE REMOVED AND PROCESSED AT CUSTOMER'S EXPENSE.
5.  Receipt  by  Blacoh  of  a  return  does  not  constitute  Blacoh's  agreement  that  Blacoh  is  in  breach  of  its 

Warranty or PTFE Bellows Warranty. 

6.  If  Blacoh  determines  that  a  defect  in  workmanship  or  material  of  a  part  has  occurred,  customer  is  not 

entitled  to  a  complete  unit  replacement.    In  the  event  of  such  a  defect,  Blacoh  will  repair  or  replace  the 

defective part or parts or refund the purchase price, as Blacoh deter

mines in Blacoh’s sole discretion. 

New Product Returns

1.  If  a  customer  wishes  to  return  a  new,  unused  product,  the  customer  must  first  request  a  Return 

Merchandise Authorization (RMA) number from Blacoh.   Blacoh will determine if the unit can be returned 

for possible credit.   

2.  Product to be returned must be new, unused, and of current design and purchased within thirty (30) days 

of  the  return  request.      In  addition  the  product  must  not  have  been  damaged  after  original  shipment  by 

Blacoh.

3.  Product returns must be delivered, freight prepaid. 
4.  Blacoh has the right to inspect all returned products prior to acceptance or rejection. 
5.  ALL  RETURNS  are  subject  to  a  minimum  $25.00  or  20%  restocking  fee,  whichever  is  greater.    (Higher 

restocking  fees  may  be  charged  on  special  items  and  some  models  may  not  be  eligible  for  return).  

Returns accepted by Blacoh will be credited to the customer's account less the re-stocking fee.  Refunds 

will not be issued. 

6.  Any outsourced product supplied by Blacoh will be subject to the warranty, return policy and re-stock fee 

charged by the manufacturer of the outsourced product. 

 [L01E71.053] 

BLACOH F

LUID 

C

ONTROL

, I

NC

.

601 Columbia Ave, Bldg D 

Riverside, CA 92507  USA 
Phone:  951.342.3100 

 

800.603.7867 

Fax: 

951.342.3101 

Email:  [email protected] 

www.blacoh.com 

Содержание Sentry

Страница 1: ...n never Oxygen is introduced into the non wetted side of the dampener The gas charge is contained by the bladder or bellows preventing contact between the system fluid and the gas When the dampener is sized correctly properly installed and charged according to the instructions provided it will greatly reduce the damaging effects of pressure variations in piping systems and significantly improve th...

Страница 2: ...DEL SPECIFICATIONS INSTALLATION INFORMATION Model No Serial No Installation Date Body Material Wetted Non wetted Bladder Bellows Material Pump Area and Number Purchased From Contact Phone E Mail THE WORD DAMPENER AS USED IN THIS MANUAL HAS THE SAME MEANING AS PULSATION DAMPENER INLET STABILIZER OR SURGE SUPPRESSOR Copyright 2010 Blacoh Fluid Controls Inc All rights reserved Information in this doc...

Страница 3: ...fore starting system or assembly Verify dampener model received against purchase order and shipper Before starting a system or assembly make certain the discharge point of the piping system is clear and safe and all persons have been warned to stand clear DO NOT put your face or body near dampener when the system or assembly is operating or dampener is pressurized DO NOT operate a dampener that is...

Страница 4: ...n elastomeric membrane bladder or PTFE bellows to separate system fluid from the air supply or gas charge When failure occurs system fluid may be expelled from the air valve Always perform preventive maintenance and replace bladder bellows before excessive wear occurs O rings for PTFE bellows cannot be re used Maintenance Hazards Never over tighten fasteners This may cause leakage of system fluid ...

Страница 5: ...ve maintenance program Dampeners used in conjunction with diaphragm pumps should have the bladders replaced at least every second time the diaphragms in the pump are replaced As with any pumping system wear is dependent on many factors including material temperature chemicals fluid abrasiveness and system design This suggested maintenance program may need to be adjusted according to specific appli...

Страница 6: ...s lose strength as temperature increases which reduces the maximum pressure sustainable by the material Non Metallic Body Materials Temperature Limits Applications PVC See chart below Good general chemical resistance looses strength quickly as temperature rises CPVC 32 F to 180 F 0 C to 82 C Chlorinated PVC CPVC retains strength to higher temperatures Acetal 32 F to 175 F 0 C to 79 C Good flex lif...

Страница 7: ...h depends on the elastomer material temperature and pressure Checks must occur when no system pressure is present or inaccurate readings will be recorded If temperature is above 72 F 22 C and or pressure is over 300 psi 20 7 bar checks should be performed more frequently To prevent pre charge loss through the fill valve always replace the fill valve cap after charging A proper gas charge is the ke...

Страница 8: ...rs Dampener installation should be no more than ten pipe diameters from pump inlet If using a flexible connector on the inlet side of the pump between the system piping and pump the dampener should be installed on a tee at the pump inlet manifold The flexible connector should be attached to the dampener s tee and system piping see FIGURE 1 A compound pressure gauge should be installed upstream of ...

Страница 9: ...line connection Dampener can be pre charged with compressed air up to a maximum pressure of 150 psi 10 3 bar If maximum pressure will exceed 150 psi 10 3 bar dampener must be pre charged with Nitrogen only Use a hand pump Nitrogen tank or air compressor to charge dampener DO NOT USE OXYGEN Charging hose kits are available from BLACOH The dampener must be pre charged after installation but prior to...

Страница 10: ...9 BLACOH FLUID CONTROL INC NOTES ...

Страница 11: ...mage as defined above including but not limited to Damage arising from defects in Blacoh products and or from the handling and use of Blacoh products whether used in accordance with Blacoh s directions or otherwise Any products sold by Blacoh which are manufactured by and sold under the name of another company are NOT WARRANTED by Blacoh under the foregoing Warranty or otherwise The buyer must rel...

Страница 12: ...determines that a defect in workmanship or material of a part has occurred customer is not entitled to a complete unit replacement In the event of such a defect Blacoh will repair or replace the defective part or parts or refund the purchase price as Blacoh determines in Blacoh s sole discretion New Product Returns 1 If a customer wishes to return a new unused product the customer must first reque...

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