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Pulsation Damper for Motor-Driven Metering Pumps

Pulsation dampers have an equalising effect. They are used to ensure low-pulsation metering.

Product description

For low-pulsation metering

Pulsation dampers are available in different versions: diaphragm accumulators, in-line dampers, bladder dampers and accumulators.

Pulsation dampers are used for low-pulsation metering and to reduce the flow resistance with long metering lines. They are also ideally suited to viscous media. The gas cushion between the housing and hose is compressed when the metering pump has a pressure stroke, at the same time as a partial volume of the medium is metered into the metering line. The overpressure that forms in the gas cushion causes the compressed volume to be transported on at the following suction stroke and the original, relaxed volume of gas is present again.

Your benefits

  • Low-pulsation metering
  • Reduces flow resistance with long metering lines

PVDF In-Line Pulsation Damper

Function: Hydropneumatic reservoir with deflection

The PVDF reservoir with PTFE diaphragm offers excellent chemical resistance, making it suitable for a wide range of liquids. The pulsation damper has two liquid connections and can be installed either directly in the pipe or diagonally across with a set of blanking plugs. Deflection in the fluid valve aims the volume flow directly at the diaphragm. This causes the volume flow to come into direct contact with the diaphragm. In this way the trapped gas volume optimally balances out fluctuations in the volume flow.

Please note: Only use pulsation dampers in conjunction with an overflow device with adjustable back pressure / relief valve.

With this: Connector kits / adapter kits

TypeVolumeMax. pressureConnectionOrder no.
l bar
PD In-line0.210G 1 – DN 151026252
PD In-line0.510G 1 – DN 151026736
PD-Inline0.216G 1 – DN 151033446
PD-Inline0.516G 1 – DN 151033447
PD-Inline0.225G 1 – DN 151036154
PD In-line0.525G 1 – DN 151036155

The priming pressure is approximately 0.6 x the operating pressure. Maximum medium temperature, 65 °C. Connection parts must be ordered separately.

Filling of the reservoir with nitrogen takes place via the VG8 gas filling connector or with compressed air using a standard filling valve (e.g. a car tyre valve).

Attention:

If using combustible liquids, nitrogen must be used as a filling gas.

Do not use oxygen under any circumstances!

Configuration:DGRL97/23/EC, other acceptances / countries upon request
Fluid group:1 and 2
Certificates:Manufacturer's test certificate M DIN55350-18
 Wetted materials - FDA physiologically safe
Manufacturer:HYDAC Technology

Connection/Adapter Kits

Consisting of PTFE-formed composite seal, insert/adapter and union nut.

Connection PD In-lineConnection PipingMaterialOrder no.
G 1 – DN 15DN 10PP1029424
G 1 – DN 15DN 10PVC1029425
G 1 – DN 15DN 10PVDF1029426
G 1 – DN 15DN 15PP1029443
G 1 – DN 15DN 15PVC1029444
G 1 – DN 15DN 15PVDF1029445
G 1 – DN 15DN 20PP1029427
G 1 – DN 15DN 20PVC1029428
G 1 – DN 15DN 20PVDF1029429
G 1 – DN 15DN 25PP1029430
G 1 – DN 15DN 25PVC1029431
G 1 – DN 15DN 25PVDF1029432
  • pk_2_106_1

Stainless Steel Pulsation Damper

Permitted operating temperature -10 to +80 °C, charging pressure 2 bar (nitrogen). Other bladder / diaphragm materials available on request.

With this: Fastening clips for diaphragm accumulator, stainless steel.

VolumeMax. pressureDiaphragm materialConnector GA Ø DOrder no.
l bar mm mm
0.16180NBRRp 1/2124741008609
0.16180ButylRp 1/2124741008610
0.16180FKMRp 1/2124741008611
0.32160NBRRp 1/2137931008612
0.32160ButylRp 1/2137931008613
0.32160FKMRp 1/2137931008644
0.75140NBRRp 1/21681211008645
0.75140ButylRp 1/21681211008646
0.75140FKMRp 1/21681211008647
2.00100NBRRp 3/42241671008648
2.00100ButylRp 3/42241671008649
2.00100FKMRp 3/42241671008650
4.0050NBRRp 3/43601701008651
4.0050ButylRp 3/43601701008652
4.0050FKMRp 3/43601701008653
0.75140NBRRp 11681211027617
0.75140ButylRp 11681211027618
0.75140FKMRp 11681211027619
2.00100NBRRp 1 1/22241671027620
2.00100ButylRp 1 1/22241671027621
2.00100FKMRp 1 1/22241671027622
4.0050NBRRp 1 1/23601701027623
4.0050ButylRp 1 1/23601701027624
4.0050FKMRp 1 1/23601701027625

Mounting Clamp for Stainless Steel Pulsation Damper

VolumeNumber of ClampsØ DOrder no.
l mm
0.161741008664
0.321931008665
0.7511211008666
2.0011671008667
4.0021701008668
  • pk_2_101
  • pk_2_102

PP In-Line Damper

The gas cushion between the housing and hose is compressed when the metering pump has a pressure stroke, at the same time as a partial volume of the medium is metered into the metering line. The overpressure that forms in the gas cushion causes the compressed volume to be transported on at the following suction stroke and the original, relaxed volume of gas is present again.

Please note: Only use pulsation dampers in conjunction with an overflow device with adjustable back pressure / relief valve.

Damper diaphragm is replaceable, seals made of EPDM.

Medium temperature max. 50 °C

Pre-pressure is approx. 0.6 x operating pressure.

VolumeMax. pressureDamper diaphragmConnectionOrder no.
l bar
PPE in-line damper0.0510CSM*G 3/4 - DN 101026769
PPB in-line damper0.0510FKMG 3/4 - DN 101026772
PDS 2.52.5010HypalonG 2 – DN 321001344
PDS 2.52.5010FKMG 2 – DN 321001345

* Chlorosulfonated polyethylene

For other sizes (0.2 l and 0.5 l) see in-line pulsation damper PVDF.

For other sizes (0.2 l and 0.5 l), see PVDF inline pulsation damper.

  • p_ac_0180_sw

PVC In-Line Damper

The gas cushion between the housing and hose is compressed when the metering pump has a pressure stroke, at the same time as a partial volume of the medium is metered into the metering line. The overpressure that forms in the gas cushion causes the compressed volume to be transported on at the following suction stroke and the original, relaxed volume of gas is present again.

Please note: Only use pulsation dampers in conjunction with an overflow device with adjustable back pressure / relief valve.

Removable hose, FKM seals.

VolumeMax. pressureDamper diaphragmConnectionOrder no.
l bar
PCE in-line damper0.0510CSM*G 3/4 – DN 101026775
PCB in-line damper0.0510FKMG 3/4 – DN 101026778
PDS 2.52.5010HypalonG 2 – DN 321001342
PDS 2.52.5010FKMG 2 – DN 321001343

* Chlorosulfonated polyethylene

For other sizes (0.2 l and 0.5 l) see in-line pulsation damper PVDF.

  • pk_2_041

PVC Accumulators

Pulsation dampers with a separating diaphragm / bladder between the gas cushion and feed chemical.

Note: The charging pressure of the gas cushion should be approx. 60 % to 80 % of the operating pressure.

Please note: Only use pulsation dampers in conjunction with an overflow device with adjustable back pressure / relief valve.

Accumulator removable, FKM seals.

Operating range (0.5 / 1 l)

25 °C - max. operating pressure 10 bar

40 °C - max. operating pressure 6 bar

Operating range (2.5 / 5 l)

25 °C - max. operating pressure 6 bar

40 °C - max. operating pressure 4 bar

VolumeDiaphragm materialConnectionLØ DLAOrder no.
l mm mm mm
0.5ButylG 1 - DN 15361145100791691
0.5FKMG 1 - DN 15361145100791695
1.0ButylG 1 1/4 - DN 20411170100791692
1.0FKMG 1 1/4 - DN 20411170100791696
2.5*ButylG 1 1/2 - DN 25571170190791693
2.5*FKMG 1 1/2 - DN 25571170190791697

* Caution: The product contains adhesive joints with Tangit. Please note the resistance of Tangit adhesive.

  • pk_2_038

PP Accumulators

Pulsation dampers with a separating diaphragm / bladder between the gas cushion and feed chemical.

Note: The charging pressure of the gas cushion should be approx. 60% to 80% of the operating pressure.

Please note: Only use pulsation dampers in conjunction with an overflow device with adjustable back pressure / relief valve.

Accumulator removable, FKM seals.

Operating range (0.5 / 1 l)

25 °C - max. operating pressure 10 bar

40 °C - max. operating pressure 6 bar

Operating range (2.5 / 5 l)

25 °C - max. operating pressure 6 bar

40 °C - max. operating pressure 4 bar

VolumeDiaphragm materialConnectionLØ DLAOrder no.
l mm mm mm
0.5ButylG 1 - DN 15361145100792128
0.5FKMG 1 - DN 15361145100792132
1.0ButylG 1 1/4 - DN 20411170100792129
1.0FKMG 1 1/4 - DN 20411170100792133
2.5ButylG 1 1/2 - DN 25571170190792130
2.5FKMG 1 1/2 - DN 25571170190792134
  • pk_2_038

PP In-Line Pressure Accumulator

Accumulators are pulsation dampers without a separating diaphragm / bladder between the gas cushion and feed chemical.

Please note: Only use pulsation dampers in conjunction with an overflow device with adjustable back pressure / relief valve.

With this: Wall bracket for accumulator

Operating range

20 °C - max. operating pressure 10 bar

40 °C - max. operating pressure 6 bar

VolumePermissible displacementConnectionOrder no.
l
Size II1up to 5 mlG 3/4 – DN 10243219
Size II1up to 5 mlG 1 – DN 15243220
  • pk_1_065_1

PVC Pressure Accumulator

Accumulators are pulsation dampers without a separating diaphragm / bladder between the gas cushion and feed chemical.

Please note:Only use pulsation dampers in conjunction with an overflow device with adjustable back pressure / relief valve.

With this: Wall bracket for accumulator available in PP and PVC, consisting of pipe clamp, mounting plate and connecting nipple.

Operating range

20 °C - max. operating pressure 10 bar

40 °C - max. operating pressure 6 bar

VolumeConnectionØL1L2Order no.
l mm mm mm
2G 1 1/4 – DN 20without connector parts140290220243207
4G 1 1/2 – DN 25without connector parts160410320243208

* Caution: The product contains adhesive joints with Tangit. Please note the resistance of Tangit adhesive.

  • pk_2_042
  • pk_1_061

Stainless Steel In-Line Accumulator

Accumulators are pulsation dampers without a separating diaphragm / bladder between the gas cushion and feed chemical.

Please note: Only use pulsation dampers in conjunction with an overflow device with adjustable back pressure / relief valve.

With this: Wall bracket for accumulator

Max. operating pressure 10 bar

VolumeConnectionOrder no.
l
Size II1G 3/4 – DN 10914756
Size II1R 1 1/2 – DN 15with insert914551
  • pk_1_036_1

PP Pressure Accumulator

Accumulators are pulsation dampers without a separating diaphragm / bladder between the gas cushion and feed chemical.

Please note:Only use pulsation dampers in conjunction with an overflow device with adjustable back pressure / relief valve.

With this: Wall bracket for accumulator available in PP and PVC, consisting of pipe clamp, mounting plate and connecting nipple.

VolumeConnectionØL1L2Order no.
l mm mm mm
2G 1 1/4 – DN 20without connector parts140290220243211
4G 1 1/2 – DN 25without connector parts160410320243212

Wall Bracket for Accumulator

ØOrder no.
mm
For accumulator volume 2 l110818502
For accumulator volume 2 l140803645
For accumulator volume 4 l160803646
  • pk_2_042
  • pk_1_061

PVC In-Line Accumulator

Accumulators are pulsation dampers without a separating diaphragm / bladder between the gas cushion and feed chemical.

Please note: Only use pulsation dampers in conjunction with an overflow device with adjustable back pressure / relief valve.

With this: Wall bracket for accumulator

Operating range

20 °C - max. operating pressure 10 bar

40 °C - max. operating pressure 6 bar

VolumePermissible displacementConnectionOrder no.
l
Size II1up to 5 mlG 3/4 – DN 10243204
Size II1up to 5 mlG 1 – DN 15243205

* Caution: The product contains adhesive joints with Tangit. Please note the resistance of Tangit adhesive.

Wall Bracket for Accumulator

ØOrder no.
mm
For accumulator volume 2 l110818502
For accumulator volume 2 l140803645
For accumulator volume 4 l160803646
  • pk_1_065_1

Stainless Steel Accumulator

Accumulators are pulsation dampers without a separating diaphragm / bladder between the gas cushion and feed chemical.

Please note: Only use pulsation dampers in conjunction with an overflow device with adjustable back pressure / relief valve.

With this: Wall bracket for accumulator available in PP and PVC, consisting of pipe clamp, mounting plate and connecting nipple.

Max. operating pressure 10 bar

VolumeConnectionØL1L2Order no.
l mm mm mm
2G 1 1/4 – DN 20without connector parts140272222243214
4G 1 1/2 – DN 25without connector parts160365312243215

Wall Bracket for Accumulator

ØOrder no.
mm
For accumulator volume 2 l110818502
For accumulator volume 2 l140803645
For accumulator volume 4 l160803646
  • pk_2_033
  • pk_1_061

Wall Bracket for Accumulator

Wall bracket for accumulator consisting of pipe clamp, mounting plate and connecting nipple.

ØOrder no.
mm
For accumulator volume 2 l110818502
For accumulator volume 2 l140803645
For accumulator volume 4 l160803646
  • pk_1_061

PVC Vacuum Cylinder

Vacuum cylinder as priming aid for long suction line and viscous media. Housing – with transparent middle section. With connector for vacuum pump.

Max. operating pressure: 2 bar at 40 °C operating temperature.

Max. permitted vacuum pressure 300 mbar absolute

With this: Vacuum pump assembly

VolumeConnectionSeal materialLDOrder no.
lmm mm
0.5G 1 – DN 15FKM380*78243591
0.5G 1 – DN 15EPDM380*781025699
1.0G 1 1/4 – DN 20FKM440*86243592
1.0G 1 1/4 – DN 20EPDM440*861025701
2.5G 1 1/2 – DN 25FKM520*133243593
2.5G 1 1/2 – DN 25EPDM520*1331025702
5.0G 2 1/4 – DN 40FKM630*155243594
5.0G 2 1/4 – DN 40EPDM630*1551025703

* Approximate values

* Caution: The product contains adhesive joints with Tangit. Please note the resistance of Tangit adhesive.

Vacuum Pump Assembly / Priming Aid

MaterialSealsOrder no.
PVCEPDM790019

* Caution: The product contains adhesive joints with Tangit. Please note the resistance of Tangit adhesive.

  • pk_2_044
  • pk_2_045

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Overview

For low-pulsation metering

Pulsation dampers are available in different versions: diaphragm accumulators, in-line dampers, bladder dampers and accumulators.

Pulsation dampers are used for low-pulsation metering and to reduce the flow resistance with long metering lines. They are also ideally suited to viscous media. The gas cushion between the housing and hose is compressed when the metering pump has a pressure stroke, at the same time as a partial volume of the medium is metered into the metering line. The overpressure that forms in the gas cushion causes the compressed volume to be transported on at the following suction stroke and the original, relaxed volume of gas is present again.

Your benefits

  • Low-pulsation metering
  • Reduces flow resistance with long metering lines

Technical Data

Downloads

Contact us

Ralf Kiermaier

Vice President Sales and Marketing, ProMinent GmbH

»Please send us your request! We will contact you shortly.«

+49 6221 842 0  Send request   

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