PulseGuard Pulsation Dampers
PulseGuard: Guarding Against Pulsation
Pump Pulsation Dampers
Fluid Flow Control Animations

Pulsation Damper, BLADDER with liquid inside for 3 pressure services,  stainless or other corrosion resistant  liquid wetted parts.

SIZE and PRESSURE SELECTION TABLES for Pulsation Damper with low cost epoxy coated carbon steel nitrogen bonnet housings; many elatomer bladder materials.

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The PIPEHUGGER Damper range intercepts high frequencies, provides in line flow-through flush in place, and superb flow smoothing.

BLADDER-MATERIALS-AND-SPARES-KITS    

The process pumping liquid is contained inside the rolling bladder membrane. Ex-stock synthetic rubber materials are:- Ethylene-Propylene-Terpolymer peroxide cured (EPT). Butadein Acrylo Nitrile ("N"), Fluoro Elastomer, Chlorosulphonated Polyethalaine. ("HYP") Other availabilities, not finished partd invntory. Both EP and Nitrile from FDA approved ingredients, perfluoro elastoner, silicone rubber, Polysulfide (Thiok) , Neoprene ("NEO") Spares kits have suitable matching seals. Bladders may be supplied complete with antiextrusion plates attached on request.

PROCESS-PULSATION-DAMPER-LIQUID-IN-BLADDER-SMALL
PipeHugger Typical PIPEHUGGER volumes and pressures for SMALL low and high pressure liquid in elastomer bladder type pulsation dampers. Table combines "PeG" LP series with "PHr" HP series. A PeG damper may be constructed from seamless cold drawn tube that is not acceptable under certain codes of pracatice though we only use allowable working stress figures excluding increased UTS by virtue of cold working. Otherwise both ratings are in accord with our PIPEHUGGER standard large diameter damper, that makes incoming pressure waves die, whilst providing membrane surface area for instant response to volume change. Economy is preserved by only the process flow connections needing to be from stainless or other expensive material that see the liquid, while the nitrogen cushion bonnet is epoxy coated carbon steel. "bs" = bottom sealing, approximately halves the load on the thread compared with sealing beneath a hex.
Type / Ordering Volume Design Pressure @93 C Max PCD for bolts. Deduct 1 bolt diam from figure below For pulse
Intercept.
Connections (to pump / to sys.)
Std. Max
SINGLE CONNE-
CTION
Length without pipes Diameter Weight Spares Kit Part Number
  (Liters) (Bar) mm NPT Flg (mm) (mm) (kg)  
PeG-SS/8i 0.13 100 56.0
1/8"x1/8"
F NPT
1/4" F
BSP //
132 76 2 D64y42 ?
PHr--ss/8i- 0.13 690 47.0 1/8"x1/8"
F NPT
3/8" F
BSP // bs
170 102 6 D64y42 ?
PeG-SS-20i 0.33 100 78.0
3/8"x3/8"
F NPT
1/2" F BSP// 132 102 5 D85L ?
PHr--ss/18i- 0.3 690 63.0 3/8"x3/8" 3/4" F
BSP // bs
222 114 15 D77y53 ?
PeG-SS-40i 0.66 100 102.0
1/2"x3/8" 1" F BSP//
or1/2" 600#
170 140 9 D115L ?
PHr--ss/40i 0.66 248 82.0
1/2"x3/8" 1.5 MBSP//
226 127 13 D100y60 ?
PHr--ss/40i 0.66 448 82.0
1/2"x1/2" Autoclave 279 150 24 D100y60 ?
FOR HIGHER PRESSURE PLEASE GO TO "ULTRA HIGH PRESSURE PULSATION DAMPER page" from stock and to order
DAMPER INTEGRAL FLANGE
PeG-SS-61i 1.0 52 115.0
1/2"x1/2" 1.0" 600#
or 2" BSP
175 152 8 D125y65 ?
PHr--ss/61i 1.0 138 116.0
3/4"x1/2" 3/4"1500#
or 2" BSP
249 168 22 D125y65 ?
PHr--ss/61i 1.0 400 112.0
3/4"x3/4" Autoclave 285 178 31 D125y65 ?
PeG--SS-92i 1.5 41 128.0 1.0"x3/4" 1.25" 300# 175 165 11 D145y75 ?
PHr--ss/122i 2.0 138 134.0
1.0"x1.0" or 2" BSP 239 168 20 D145y75 ?
PHr--ss/122i 2.0 345 129.0
1.0"x1.0" 2" BSP bs 330 201 51 D150y80 ?

PULSE-TWINS AND BOTTOM SEALING

MODERATELY SIZES PROCESS PULSE DAMPER
PipeHugger Typical volumes and pressures for MEDIUM low and high pressure liquid in elastomer bladder type pulsation dampers. The PIPEHUGGER large diameter dampers, make incoming pressure waves die, and provide enough membrane surface area for instant response to all flow fluctuations. Costs are controled by process flow connections only bing from stainless or more exotic materials seeing the proces liquid, so that the nitrogen cushion vessel bonnet can be just epoxy coated carbon steel.
Type / Ordering Volume Design Pressure @93 C Max PCD for bolts. Deduct 1 bolt diam from figure below Connections (to pump / to sys.) Standard.
MAXIMUM
DIAMETER
SINGLE
FLANGE
Length without pipes Diameter Weight Spares Kit Part Number
  (Liters) (Bar) mm NPT BSP Flg (mm) (mm) (kg)  
PeG-SS-183i 3.0 41 182
1.0"x1.0" 2.5" 300# 216 216 17 D191y65 ?
PHr-ss/183i 3.0 217 169
1.5"Mx1.0" 1.5" 1500# 284 216 45 D176y90 ?
PHr-ss/213i 3.5 117 179
1.5"NMx1.5" 2.5" 600# 244 216 26 D191y95 ?
PeG-SS-366i 6.0 29 231
1.5"Mx1.0" 4.0" 300# 239 264 25 D244L ?
PHr-ss/488i 8.0 200 205
2"NMx1.5" 2" 1500# 378 269 72 D225y110?
 
PHr-ss/503i 8.25 97 235
2"NMx2" 3.5" 600# 315 272 68 D238y110
PHr-ss/610i 10.0 131 231
2"NMx2" 3" 900# 356 272 105 D238y110
PHr-ss/610i 10.0 210 236
2"NMx2" 2.5" 1500# 323 323 121 D254y118?
PeG-SS-733i 12.0 25 274
2.5" 1500# 5.0" 150# 257 323 37 D285y128?

To save down time piping sub-bases are used. When the damper capsule is released from the pressure pulse interception base, it is replaced with a bolt on "Flo-Thru"* block.

See "TopHat" animation please go to http://www.pulseguard.co.uk/images/Pipe-Base_left.gif

OPTIONAL CONNECTION ORIENTATIONS

LARGER PROCESS LIQUIDS PULSE DAMPER
PipeHugger Typical volumes and pressures for LARGER low and high pressure liquid in elastomer bladder type pulsation dampers. The PIPEHUGGER large diameter dampers, make incoming pressure waves die, and provide enough membrane surface area for instant response to all flow fluctuations. Costs are controled by process flow connections only bing from stainless or more exotic materials seeing the proces liquid, so that the nitrogen cushion vessel bonnet can be just epoxy coated carbon steel.
Type / Ordering Volume Design Pressure @93 C Max PCD for bolts. Deduct 1 bolt diam from figure below Connections (to pump / to sys.) Standard.
MAXIMUM
DIAMETER
SINGLE
FLANGE
Length without pipes Diameter Weight Spares Kit Part Number
  (Liters) (Bar) mm NPT BSP Flg (mm) (mm) (kg)  
PHr-TW-ss/854i 14.0 121 266
3"MNPTx2" 4" 900# 381 323 98 D285y128?
PHr-TW-ss/915i 15.0 214 262
3"MNPTx2" 3" 1500# 424 353 222 D285y128?
PeG-SS- 16.4 25 320
3"MNPTx2" 6.0" 150# 300 356 52 D328y123?
PHr-TW-ss/1220i 20.0 83 310 4"BWx4"BW 5" 600# 366 353 130 D328y123?
PHr-TW-ss/1220i 20.0 210 300
4"BWx4"BW 4" 1500# 467 404 340 D328y123?
 
PeG-SS- 27.0 25 341
4"Wx4"W 8.0" 150# 406 406 74 D368y178?
PHr-TW-ss/1830i 30.0 235 336
5"Wx5"W 4" 2500# 635 455 489 D368y178?
PeG-SS- 36.0 25 417
5"Wx5"W 10" 150# 559 508 100 D450y120?
PHr-TW-ss/2440i 40.0 100 407
6"Wx6"W 8" 600# 610 505 364 D450y120?
PHr-TW-ss/2440i 40.0 233 396
6"Wx6"W 6" 1500# 711 556 717 D450y120?

See also: Huge PipeHugger Pulsation Dampers (Surgeguard)

 


The PIPEHUGGER DAMPER how it works.

INTERCEPTS-AND-EXPLODES-WAVES         APPLICATION OF PIPEHUGGER

 

OTHER PIPEHUGGER DRAWINGS MENU, & JACKETED
plus PHR FOR FOOD-DRUG. LINED, PLASTIC & OTHER LINKS

Click on one of the pulse damper images below.

Pulsation Damper Jacketed Bladder Type Stainless wetted Pulsation Damper, Bladder liquid inside, Stainless wetted Ultra Extreme Pressure Pulsation Damper Elastomer Lined Bladder Type Pulsation Damper, Plastic Wetted, Bladder type

 

 



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