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Service & Suport

DW+ Series – Piston & Bi-Lobe Rotor Pumps

Product Type(s) : Positive Displacement Pumps
Description :

The DW+ Series is a versatile, positive displacement pump ideal for high-viscosity and shear-sensitive fluids. Its gentle, pulsation free, low shear design, ensures gentle consistent flow and easy maintenance. Perfect for dairy, beverage, food, pharmaceuticals, personal care, chemical and industrial markets, it meets stringent sanitary standards while boosting operational efficiency. 

WHERE TO BUY

DW+ Positive Displacement Pumps

Next-Generation Technology

Building on the trusted heritage of our DW Series, the new DW+ pumps represent the next generation in positive displacement pump technology. Designed to enhance performance while maintaining the core principles of the DW Series to optimize performance and reliability while further reducing maintenance needs.

Key Benefits

Gentle Product Handling

The rotor designs available ensure maximum product integrity and minimize risk of potential damage to sensitive products. Especially the piston rotor creates a long sealing path to minimize shearing, preserving the quality and integrity of high-value products. This ensures delicate formulations retain their texture and sensory attributes. By reducing processing damage, we help prevent quality issues, where changes in viscosity can impact texture and taste.

Pulse-Free Operation

The unique piston rotor design ensures pulse-free operation which consequently reduces vibration and noise in the pipeline, prevents pressure surges and protects valves and sensitive downstream equipment from potential damage. By maintaining a steady flow, the DW+ Series promotes seamless integration with equipment such as filling machines and ensures a consistent process flow, extending the lifespan of your equipment.

Low NPSHr Value

The unique rotor design makes a low NPSHr value which makes the DW+ pumps ideal for many applications such as ultra-filtration and eliminating cavitation.

High Volumetric Efficiency

The DW+ Series is designed for outstanding efficiency. Internal clearances have been minimized by optional rotor types (Super tight), together with high RPM speed to allow a smaller pump size selection for medium viscosity applications. This reduces both the initial investment and running costs.

Non-Galling Alloy Rotors

Compared with normal stainless steel, the optional NGA rotor will make further narrow clearance which could avoid down time and pump housing damaged in the real operation.

Ultra-Hygienic and CIP/SIP Capable

All DW+ models are CIP/SIP cleanable, featuring a profiled front cover gasket for enhanced cleanability.Designed to withstand rapid temperature changes, these pumps handle very harsh CIP cycles.

Global Recognition and Reliability

The DW series is widely recognized and approved globally through SPX FLOW and APV system solutions. With exceptional expertise in pumping high-viscosity products, it stands as a trusted and reliable reference in the industry.

Certified Hygienic Design

The DW+ Series is 3A approved and designed to EHEDG standards.

主な用途

 

飲料

  • フルーツジュース
  • サイダーとワイン
  • 液糖とグルコース

乳製品加工

  • クリーム、牛乳
  • チーズのカード & ホエイ
  • カッテージチーズ
  • ヨーグルト

食品

  • 漬けこみフルーツ
  • スープとソース
  • ベビーフード
  • チョコレート
  • 酵母

医薬品と洗面化粧品

  • 抗生物質
  • 歯磨き粉
  • 咳止め薬
  • シャンプー

化学 / 工業

  • 溶剤、塗料、燃料
  • 樹脂、ポリマー、スラッジ
  • オイルおよび潤滑剤

製品仕様

  • 仕様
  • 寸法
  • オプション

The DW+ pump series is designed for ultra-hygienic applications. The range consists of 6 sizes (27 models) with capacities ranging from 3 liters/100 revs to 519 liters /100 revs (0.8 gal/100 revs to 137 gal/100 revs) and pressures up to 30 bar (435 psi). All product-contact parts are made from AISI 316L stainless steel and all elastomers comply with FDA-requirements.

 

There are two types of rotors available: Piston and Bi-lobe. For general or standard applications, the Bi-lobe rotor is typically a suitable solution. However, the piston rotor is the optimal choice for shear-sensitive products due to its long sealing path and minimal clearance design.

モデル DW1/003/-

 

APV DW4 plus  Assembly Dimensional Drawing.pdf

 

 

 

  B C D E F G H J K L M N P Q S T U W
IN 8.54 1.57 1.5 4.29 4.76 0.47 5.75 5.9 6.53 4.8 7.6 3.7 3.27 DN15 218 86 18 8
MM 217 40 38 109 121 12 146 150 166 122 193 94 83 218 86 18 8 17

Weight:  37.48 lbs (17 Kg)

Oil Capacity:  0.21 GAL (0.8 L)

モデル DW1/004/-

APV DW4 plus  Assembly Dimensional Drawing.pdf

  B C D E F G H J K L M N P Q S T U W
IN 8.54 1.57 1.5 4.29 4.76 0.47 5.75 5.9 6.53 4.8 7.6 3.7 3.27 DN15 8.58 3.38 0.71 0.31
MM 217 40 38 109 121 12 146 150 166 122 193 94 83   218 86 18 8

Weight:  37.48 lbs (17 Kg)

Oil Capacity:  0.21 GAL (0.8 L)

モデル DW1/007/-

APV DW4 plus  Assembly Dimensional Drawing.pdf

 

  B C D E F G H J K L M N P Q S T U W
IN 8.74 1.57 1.5 4.29 4.76 0.47 5.75 5.9 6.53 4.8 7.6 3.7 3.27 1 8.58 3.38 0.71 0.31
MM 222 40 38 109 121 12 146 150 166 122 193 94 83 25 218 86 18 8

Weight:  39.68 lbs (18 Kg)

Oil Capacity:  0.21 GAL (0.8 L)

モデル DW2/006/-

 

 

APV DW4 plus  Assembly Dimensional Drawing.pdf

 

  B C D E F G H J K L M N P Q S T U W
IN 9.76 1.97 1.42 4.72 5.59 0.67 6.93 7.01 7.64 5.71 8.98 4.41 3.82 1 9.92 3.86 0.87 0.47
MM 248 50 36 120 142 17 176 178 194 145 228 112 97 25 252 98 22 12

Weight:  55.11 lbs (25 Kg)

Oil Capacity:  0.34 GAL (1.3 L)

モデル DW2/007/-

 

 

APV DW4 plus  Assembly Dimensional Drawing.pdf

 

  B C D E F G H J K L M N P Q S T U W
IN 9.76 1.97 1.42 4.72 5.59 0.67 6.93 7.01 7.64 5.71 8.98 4.41 3.82 1 9.92 3.86 0.87 0.47
MM 248 50 36 120 142 17 176 178 194 145 228 112 97 25 252 98 22 12

Weight:  55.11 lbs (25 Kg)

Oil Capacity:  0.34 GAL (1.3 L)

モデル DW2/013/-

 

APV DW4 plus  Assembly Dimensional Drawing.pdf

 

  B C D E F G H J K L M N P Q S T U W
IN 9.92 1.97 1.42 4.72 5.59 0.67 6.93 7.01 7.64 5.71 8.98 4.41 3.82 1.5 9.92 3.86 0.87 0.47
MM 252 50 36 120 142 17 176 178 194 145 228 112 97 38 252 98 22 12

Weight:  59.52 lbs (27 Kg)

Oil Capacity:  0.34 GAL (1.3 L)

モデル DW3/014/-

 

 

APV DW4 plus  Assembly Dimensional Drawing.pdf

 

 

B C D E F G H J K L M N P Q S T U W
IN 10.67 2.36 1.57 4.84 6.3 0.79 7.87 7.72 8.35 6.22 9.92 4.72 4.17 1.5 10.75 4.41 0.98 0.51
MM 271 60 40 123 160 20 200 196 212 158 252 120 106 38 273 112 25 13

Weight:  74.96 lbs (34 Kg)

Oil Capacity:  0.37 GAL (1.4 L)

モデル DW3/017/-

 

 

APV DW4 plus  Assembly Dimensional Drawing.pdf

 

B C D E F G H J K L M N P Q S T U W
IN 10.67 2.36 1.57 4.84 6.3 0.79 7.87 7.72 8.35 6.22 9.92 4.72 4.17 1.5 10.75 4.41 0.98 0.51
MM 271 60 40 123 160 20 200 196 212 158 252 120 106 38 273 112 25 13

Weight:  74.96 lbs (34 Kg)

Oil Capacity:  0.37 GAL (1.4 L)

モデル DW3/030/-

 

 

APV DW4 plus  Assembly Dimensional Drawing.pdf

 

 

  B C D E F G H J K L M N P Q S T U W
IN 11.02 2.36 1.57 4.84 6.3 0.79 7.87 7.72 8.35 6.22 9.92 4.72 4.17 2 10.75 4.41 0.98 0.51
MM 280 60 40 123 160 20 200 196 212 158 252 120 106 51 273 112 25 13

Weight:  88.18 lbs (40 Kg)

Oil Capacity:  0.37 GAL (1.4 L)

モデル DW3/050/-

 

APV DW4 plus  Assembly Dimensional Drawing.pdf

 

 

 

  B C D E F G H J K L M N P Q S T U W
IN 11.97 2.36 1.57 4.84 6.3 0.79 7.87 7.72 8.35 6.22 9.92 4.72 4.17 2 10.75 4.41 0.98 0.51
MM 304 60 40 123 160 20 200 196 212 158 252 120 106 51 273 112 25 13

Weight:  99.21 lbs (45 Kg)

モデル DW4/033/-

 

APV DW4 plus  Assembly Dimensional Drawing.pdf

 

 

B C D E F G H J K L M N P Q S T U W
IN 13.86 3.15 1.77 6.38 8.07 0.79 9.64 9.37 10.24 7.48 11.81 5.59 5.12 2 12.91 5.12 1.38 0.55
MM 352 80 45 162 205 20 245 238 260 190 300 142 130 51 328 130 35 14

Weight:  141.09 lbs (64 Kg)

Oil Capacity:  0.79 GAL (3.0 L)

モデル DW4/039/-

 

 

APV DW4 plus  Assembly Dimensional Drawing.pdf

 

  B C D E F G H J K L M N P Q S T U W
IN 14.37 3.15 1.77 6.38 8.07 0.79 9.64 9.37 10.24 7.48 11.81 5.59 5.12 3 12.91 5.12 1.38 0.55
MM 365 80 45 162 205 20 245 238 238 260 190 300 142 130 76 328 130 35

Weight:  158.73 lbs (72 Kg)

Oil Capacity:  0.79 GAL (3.0 L)

モデル DW4/073/-

モデル DW4/125/-

 

APV DW4 plus  Assembly Dimensional Drawing.pdf

 

  B C D E F G H J K L M N P Q S T U W
IN 15.71 3.15 1.77 6.38 8.07 0.79 9.64 9.37 10.24 7.48 11.81 5.59 5.12 3 12.91 5.12 1.38 0.55
MM 399 80 45 162 205 20 245 238 260 190 300 142 130 76 328 130 35 14

Weight:  187.39 lbs (85 Kg)

Oil Capacity:  0.79 GAL (3.0 L)

モデル DW5/080/-

 

 

APV DW4 plus  Assembly Dimensional Drawing.pdf

 

B C D E F G H J K L M N P Q S T U W
IN 18.86 4.17 2.79 9.13 10.31 0.98 12.28 11.93 12.83 9.45 14.57 6.97 6.42 2.5 17.09 6.5 1.65 0.67
MM 479 106 71 232 262 25 312 303 326 240 370 177 163 63 434 165 42 17

Weight:  332.90 lbs (151 Kg)

Oil Capacity: 1.85 GAL (7.0 L)

モデル DW5/093/-

 

APV DW4 plus  Assembly Dimensional Drawing.pdf

 

  B C D E F G H J K L M N P Q S T U W
IN 18.86 4.17 2.79 9.13 10.31 0.98 12.28 11.93 12.83 9.45 14.57 6.97 6.42 2.5 17.09 6.5 1.65 0.67
MM 479 106 71 232 262 25 312 303 326 240 370 177 163 63 434 165 42 17

Weight:  332.90 lbs (151 Kg)

Oil Capacity: 1.85 GAL (7.0 L)

モデル DW5/142/-

 

 

APV DW4 plus  Assembly Dimensional Drawing.pdf

 

B C D E F G H J K L M N P Q S T U W
IN 19.49 4.17 2.79 9.13 10.31 0.98 12.28 11.93 12.83 9.45 14.57 6.97 6.42 3 17.09 6.5 1.65 0.67
MM 495 106 71 232 262 25 312 303 326 240 370 177 163 76 434 165 42 17

Weight:  337.30 lbs (153 Kg)

Oil Capacity: 1.85 GAL (7.0 L)

モデル DW5/256/-

 

APV DW4 plus  Assembly Dimensional Drawing.pdf

 

B C D E F G H J K L M N P Q

モデル DW6/172/-

 

 

APV DW4 plus  Assembly Dimensional Drawing.pdf

 

B C D E F G H J K L M N P Q S T U W
IN 27.24 3.86 3.54 13.82 16.53 1.57 19.68 14.8 19.33 11.53 21.3 8.19 9.64 3 20.79 8.58 1.97 0.94
MM 692 98 90 351 420 40 500 376 491 293 541 208 245 76 528 218 50 24

Weight:  815.71 lbs (370 Kg)

Oil Capacity: 6.60 GAL (25 L)

*DW6 retains the same design as the DW Series

モデル DW6/198/-

 

  B C D E F G H J K L M N P Q S T U W
IN 27.24 3.86 3.54 13.82 16.53 1.57 19.68 14.8 19.33 11.53 21.3 8.19 9.64 3 20.79 8.58 1.97 0.94
MM 692 98 90 351 420 40 500 376 491 293 541 208 245 76 528 218 50 24

Weight:  815.71 lbs (370

APV DW4 plus  Assembly Dimensional Drawing.pdf

 Kg)

 

Oil Capacity: 6.60 GAL (25 L)

*DW6 retains the same design as the DW Series

モデル DW6/308/-

 

 

APV DW4 plus  Assembly Dimensional Drawing.pdf

 

B C D E F G H J K L M N P Q S T U W
IN 27.8 3.86 3.54 13.82 16.53 1.57 19.68 14.8 19.33 11.53 21.3 8.19 9.64 4 20.79 8.58 1.97 0.94
MM 706 98 90 351 420 40 500 376 491 293 541 208 245 102 528 218 50 24

Weight:  859.80 lbs (390 Kg)

Oil Capacity: 6.60 GAL (25 L)

*DW6 retains the same design as the DW Series

モデル DW6/519/-

 

APV DW4 plus  Assembly Dimensional Drawing.pdf

 

 

  B C D E F G H J K L M N P Q S T U W
IN 28.82 3.86 3.54 13.82 16.53 1.57 19.68 14.8 19.33 11.53 21.3 8.19 9.64 DN 20.79 8.46 1.97 0.94
MM 732 98 90 351 420 40 500 376 491 293 541 208 245 150 528 215 50 24

Weight:  1014.12 lbs (460 Kg)

Oil Capacity: 6.60 GAL (25 L)

*DW6 retains the same design as the DW Series

Elastomer Material

EPDM. FPM and FKKM (Perfluoro elastomer)

 

Standard Connections

Tri-clamp is the standard connection. Other sanitary and industrial fittings are available.

 

2 Rotor materials

316L and Non-galling alloy

 

2 Rotor Options by Type

Piston and Bi-lobe rotors. On the smallest model in each size, the piston rotors can be easily replaced with bi-lobe rotors without altering the rotor case. Additionally, the pump’s porting can be switched between horizontal and vertical orientations (and vice versa) without requiring any modifications to the pump or the use of a specialized gear case assembly.

 

4 Rotor Options by Application
  • Multi Duty Rotors
    Standard rotors suitable for most applications. The clearance is greater than that of the high efficiency rotors.
  • High-Efficiency Rotors
    Designed for low viscosity products. The size of the rotors has been increased, and the clearance is minimal.
  • High Temperature Rotors
    The Bi-lobe rotors can be supplied as high temperature rotors, suitable for product temperatures up to 180°C (356°F). The rotors are smaller for expansion due to the temperature.
  • Super tight Rotors
    Minimum clearance in all the options to make minimum product slip back.


6 Advanced Shaft Seal Design  

The pump offers a variety of front-loaded interchangeable shaft seals tailored for specific applications:  

  • Single Mechanical Seal. 

  • Flushed single Mechanical Seals 

  • Flushed double Mechanical Seals 

  • Lip Seals 

  • Confectionary Seals 

  • Packed Gland Seal:  

 
3 Accessories 

  • Integrated Pressure Relief Valve  

  • Thermal Jacket  

  • Rectangular Inlet 

 
Certificates  

  • Material Heat Certificate 

  • 2.1 EN10204  

  • 2.2 EN10204 

  • 3.1 EN10204 

  • Certified Approval Drawing 

  • GA drawing 2D (*pdf) 

  • Pump Model 3D (*stp) 

  • ISO 9001 Certification 

  • GOST certificate 

  • 3A Certificate 

  • RA measurement Report 

  • Electro-Polish/Passivation Certificate 

  • Food Contact Certificate 

  • NPSH Test (one duty) 

  • FDA Seal Certification 

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