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High Pressure Plunger Pump · Frame size 35 PFR 3541DHS

This triplex (three plunger rods) positive displacement, reciprocating plunger pump is constructed with a 316 stainless steel inlet manifold, duplex stainless steel discharge manifold, 316 stainless steel valve assemblies, solid ceramic plungers and standard NBR (Buna-N) seals and O-rings.

High-strength connecting rods and plunger rods allow high flow and operating pressure for intermittent use on this "HS" Series pump. Intermittent use is defined as operating the pump at the maximum rated flow and pressure for no more than 50% of the time in any given hour.

The 3541DHS is also available in an alternate specification with a different operating point: 189 l/min, 103 bar, 850 min⁻¹. View alternate specification

Request this pump Data sheet (PDF) Spare parts

Technical specifications

Flow rate 190 l/min
Operating pressure 103 bar
Speed 850 min⁻¹
Inlet port 1 1/2" NPT(F)
Discharge port 1" NPT(F)
Shaft diameter 35 mm
Material Stainless Steel

Downloads

CAD files

Spare parts

Click an item in the drawing or in the parts list to add it to your request list. We turn it into a quotation – no order is placed.

8 kits bundle wearing parts of this pump ↓

Skip the drawing, go to the parts list

Exploded view

Exploded view 3541DHS

Parts list

Item Part no. Description Qty Add to request list
5 96049 Screw, HHC Sems (M10x25)S 8
8 134604 Cover, Bearing [06/18]ALE 2
9 815279 Shim, Split, 2-Piece 0 - 2FBR 4
10 12398 O-Ring, Bearing Cover - 70DNBR 2
11 13296 Seal, Oil, Crankshaft 0 - 2NBR 2
12 855049 Shim, Split, 2-Piece 0 - 2S 0-2
15 29326 Bearing, RollerSTL 2
20 126725 Rod, Connecting Assembly (Includes: 21, 22, 23) (Model 3521DHS)BZ 3
21 126749 Washer, Locking (M10)STCP 6
22 126593 Washer, Flat (M10.5)STCP 6
23 122045 Screw, HH (M10x55)STZP 6
25 29325 Crankshaft, Dual End (M48)FCM 1
31 828710 Protector, Oil Cap with Foam Gasket 1PE 1
32 43211 Cap, Oil FillerABS 1
33 14177 O-Ring, Oil Filler Cap - 70DNBR 1
34 126743 Bolt, Eye (M12x1.75) (For Lifting Pump Only)STCP 1
37 92241 Gauge, Oil, Bubble with Gasket - 80D 1 - 2PC 1
38 44428 Gasket, Flat, Oil Gauge - 80DNBR 1
40 125753 Screw, HHC, Sems (M8 x 25) (Model 2530E)S 8
48 25625 Plug, Drain (1/4" x 19 BSP[M])STCP 1
49 23170 O-Ring, Drain Plug - 70DNBR 1
50 45936 Cover, Rear (See Tech Bulltin 118)AL 1
51 16612 O-Ring, Cover - 70DNBR 1
53 134784 Crankcase Assembly (Includes 54)ALE 1
54 27488 Pin, GuideS 2
56 27790 Pan, OilPOP 1
59 92538 Screw, HHC, Sems (M6 x 16) (Model 2530E)S 2
64 43864 Pin, CrossheadCM 3
65 49166 Rod, Plunger (Model 3521DHS)SSHB 3
69 126587 Washer, Oil SealSTCP 3
70 100488 Seal, Oil, CrankcaseNBRS 3
75 43865 Slinger, BarrierS 3
88 45676 Washer, Keyhole (M16)S 3
90 46806 Plunger (M45 x 145)CC 3
95 89778 Stud, Plunger Retainer (M10x135)SS 3
96 20189 Back-up-Ring, Plunger RetainerPTFE 3
97 11345 O-Ring, Plunger Retainer - 70DNBR 3
98 44085 Gasket, Plunger Retainer (M7) Model 3501, 3501C, Gasket, Plunger Retainer (M10) Model 3511, 3511CSS 3
99 44084 Retainer, Plunger (M10)SS 3
100 44119 Retainer, Seal, RearPPG 3
106 46809 Seal, Low-Pressure with S-SpringNBR 3
106 48384 Seal, Low-Pressure, with SS-SpringNBR 3
107 46811 Spacer, Low-Pressure SealBB 3
107 48380 Spacer, Low-Pressure SealD 3
110 48375 Manifold, InletSS 1
110 49482 Manifold, InletBBCP 1
110 49994 Manifold, InletNAB 1
112 18688 O-Ring, Inlet Manifold - 70DNBR 3
117 44585 Screw, HSH (M14x40)S 4
126 46812 Adapter, FemaleBB 3
126 48383 Adapter, FemaleD 3
127 46813 V-PackingSTG S 6
128 46814 Adapter, MaleBB 3
128 48386 Adapter, MaleSS 3
128 49319 Adapter, MaleNAB 3
141 49483 Spring, Coil, LargeSS 3
155 17784 O-Ring, V-Packing Spacer - 80DNBR 3
157 49484 Spacer, V-PackingBB 3
157 49506 Spacer, V-PackingSS 3
157 49507 Spacer, V-PackingNAB 3
159 17784 O-Ring, V-Packing Spacer - 80DNBR 3
163 26143 O-Ring, Seat - 80DNBR 6
164 46822 SeatS 6
164 48393 Seat, SteppedSS 6
166 43932 ValveS 6
166 44108 ValveSS 6
167 44109 Spring, ValveSS 6
168 44728 Retainer, SpringPVDF 6
170 44729 Washer, Spring RetainerSS 6
171 44644 Coil Spring (70kg), Valve PlugSS 6
172 89827 O-Ring, Valve Plug - 90DNBR 6
173 48364 Backup-Ring, Valve PlugD 6
174 44643 Plug, Valve [02/06]NAB 6
174 46444 Plug, Valve [02/06]FBB 6
174 49300 Plug, ValveSSD 6
185 49302 Manifold, DischargeSSD 1
185 49309 Manifold, DischargeNAB 1
185 49486 Manifold, DischargeBBCP 1
188 89981 Screw, HSH (M12 x 70)S 8
250 855042 Protector, Shaft with Two (2) Screws, Lockwashers and WashersNY 1
– 6124 Gasket, Liquid (3 oz. / 0,1 l) 1
– 6139 Lubricant, Anti-Seize (8 oz) (Model 1531) 1
– 30696 Reverse Pliers (Not Shown) 1
– 30742 Passfeder, M10 x 8 x 70 1
– 32273 Crankcase Oil Seal Removal and Installation Kit (Not Shown) 1
– 33234 Kit, Seal - Standard - NBR (Model 3545HS) 1
– 33235 Kit, Valve - Standard - NBR (Model 3545HS) 2
– 34018 Mount, Direct (STZP R) 1
– 34314 Kit, Oil Drain (3/8" x 48") (Not Shown) 1
– 49304 Manifold, Inlet, Flushed (Model 3541CHS)SS 1
– 80540 Screw, Adjusting (M12 x 100) 2 1
– 126611 Mount, Rail Assembly (STZP R) 1
– 818371 Head, Complete with NBR Seals and O-Rings (Model 3541DHS) 1
– 818428 Head, Complete with NBR Seals and O-Rings (Model 3545HS) 1
– 818575 Head, Complete with NBR Seals and O-Rings (Model 3547HS) 1
– 819000 Assembly, Crankcase, Cast Iron Conversion (Not Shown) 1 1
– 6133 Oil, Crankcase, Can 4l 1

in the request list covered by a requested kit

Seal and valve kits

A kit bundles the wearing parts of one assembly. Selecting it highlights the items it covers in the drawing and the parts list – once requested, they stay marked.

Seal kits

  • Seal kit

    33834

    NBR (STD)Medium Nitrile (Buna-N)

    contains 6 items · one kit per pump

    Parts list
    • 97 11345 O-Ring, Plungerhalter 3×
    • 106 46809 Dichtung, Niederdruck (3545HS) 3×
    • 112 18688 O-Ring, Saugstutzen 3×
    • 127 46813 V-Packung 6×
    • 155 17784 O-Ring, Distanzstück, V-Packung 3×
    • 159 17784 O-Ring, Distanzstück, V-Packung 3×

  • Seal kit

    31261

    FPM (0.0110)Fluorocarbon

    contains 6 items · one kit per pump

    Parts list
    • 97 11375 O-Ring, Plungerhalter 3×
    • 106 702013 Dichtung, Niederdruck (3545HS) 3×
    • 112 11739 O-Ring, Saugstutzen 3×
    • 127 46813 V-Packung 6×
    • 155 20138 O-Ring, Distanzstück, V-Packung 3×
    • 159 20138 O-Ring, Distanzstück, V-Packung 3×

  • Seal kit

    33223

    EPDM (0.0220)Ethylene Propylene Diene Monomer

    contains 6 items · one kit per pump

    Parts list
    • 97 701490 O-Ring, Plungerhalter 3×
    • 106 46945 Dichtung, Niederdruck (3545HS) 3×
    • 112 701659 O-Ring, Saugstutzen 3×
    • 127 46813 V-Packung 6×
    • 155 701658 O-Ring, Distanzstück, V-Packung 3×
    • 159 701658 O-Ring, Distanzstück, V-Packung 3×

  • Seal kit

    76615

    FFKM (0.0770)Perfluoroelastomer

    contains 6 items · one kit per pump

    Parts list
    • 97 702961 O-Ring, Plungerhalter 3×
    • 106 703296 Dichtung, Niederdruck (3545HS) 3×
    • 112 704172 O-Ring, Saugstutzen 3×
    • 127 46813 V-Packung 6×
    • 155 703292 O-Ring, Distanzstück, V-Packung 3×
    • 159 703292 O-Ring, Distanzstück, V-Packung 3×

Valve kits

  • Valve kit

    33835

    NBR (STD)Medium Nitrile (Buna-N)

    contains 10 items · 2 kits per pump

    Parts list
    • 163 26143 O-Ring, Ventilsitz 3×
    • 164 46822 Ventilsitz (3545HS) 3×
    • 164 48393 3×
    • 166 43932 Ventil (3545HS) 3×
    • 166 44108 Valve 3×
    • 167 44109 Feder, Ventil 3×
    • 168 44728 Federhalter, Ventil 3×
    • 170 44729 Scheibe, Federhalter 3×
    • 172 89827 O-Ring, Ventilstopfen 3×
    • 173 48364 Stützring, Ventilstopfen 3×

  • Valve kit

    31262

    FPM (0.0110)Fluorocarbon

    contains 8 items · 2 kits per pump

    Parts list
    • 163 14331 O-Ring, Ventilsitz 3×
    • 164 48393 3×
    • 166 44108 Valve 3×
    • 167 44109 Feder, Ventil 3×
    • 168 44728 Federhalter, Ventil 3×
    • 170 44729 Scheibe, Federhalter 3×
    • 172 11747 O-Ring, Ventilstopfen 3×
    • 173 48364 Stützring, Ventilstopfen 3×

  • Valve kit

    31264

    EPDM (0.0220)Ethylene Propylene Diene Monomer

    contains 11 items · 2 kits per pump

    Parts list
    • 163 171660 O-Ring, Ventilsitz 3×
    • 163 701660 O-Ring, Valve Seat 3×
    • 164 46822 Seat (3545HS) 3×
    • 164 48393 3×
    • 166 43932 Valve (3545HS) 3×
    • 166 44108 Valve 3×
    • 167 44109 Feder, Ventil 3×
    • 168 44728 Federhalter, Ventil 3×
    • 170 44729 Scheibe, Federhalter 3×
    • 172 701494 O-Ring, Ventilstopfen 3×
    • 173 48364 Stützring, Ventilstopfen 3×

  • Valve kit

    76636

    FFKM (0.0770)Perfluoroelastomer

    contains 8 items · 2 kits per pump

    Parts list
    • 163 703293 O-Ring, Ventilsitz 3×
    • 164 48393 3×
    • 166 44108 Valve 3×
    • 167 44109 Feder, Ventil 3×
    • 168 44728 Federhalter, Ventil 3×
    • 170 44729 Scheibe, Federhalter 3×
    • 172 703169 O-Ring, Ventilstopfen 3×
    • 173 48364 Stützring, Ventilstopfen 3×

More models in frame size 35 PFR

High Pressure Plunger Pump 3501

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Flow rate
37.9 l/min
Operating pressure
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Speed
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Material
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High Pressure Plunger Pump 3507

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Flow rate
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Operating pressure
345 bar
Speed
800 min⁻¹
Material
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High Pressure Plunger Pump 3507HS

3507HS
Flow rate
38 l/min
Operating pressure
345 bar
Speed
915 min⁻¹
Material
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High Pressure Plunger Pump 3511

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Flow rate
53 l/min
Operating pressure
210 bar
Speed
800 min⁻¹
Material
Stainless Steel

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High Pressure Plunger Pump 3541DHS
3541DHS · High Pressure Plunger Pump
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