DONJOY Constant Pressure Water Supply System | China Manufacturer

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+86-577-86990888

donjoy05@cndonjoy.com

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Energy saving, constant pressure, full automatic control, flow regulated by variable frequency and very wide setting range of pressure

DONJOY Categories of Constant Pressure Water Supply Systems

HYGS Constant Pressure Water Supply System

HYGS Constant Pressure Water Supply System

HYGS-MINI Constant Pressure Water Supply System

HYGS-MINI Constant Pressure Water Supply System

Valve

Valve Actuator
- Stainless Steel Pneumatic Actuator
- Diaphragm Pneumatic Actuator
- Horizontal Pneumatic Actuator
- Electric Actuator
Sanitary Diaphragm Valve
- Mini Diaphragm Valve
- 3-Way Diaphragm Valve
- Multi-Channel Combination Diaphragm Valve
- Tank Bottom Diaphragm Valve
- Radial Diaphragm Valve
- GM Z 2 Way Diaphragm Valve
Sanitary Butterfly Valve
- Regular Butterfly Valve
- Wafer Type Butterfly Valve
- Synchronous 3-Way Butterfly Valve
- DF-FHB Mix-Proof Butterfly Valve
- DF-FHA Mix-Proof Butterfly Valve
- Powder Handling Butterfly Valve
Sanitary Ball Valve
- Mini Ball Valve
- Straight-Through Ball Valve
- 3-Way Ball Valve
- 4-Way Ball Valve
- Tank Bottom Ball Valve
Sanitary Arc Valve
Sanitary Diverter Valve
- HX Single Seat Valve
- HX-BM Film-Type Single Seat Valve
- HX-GM Type Membrane Aseptic Single Seat Valve
- HX-ZH Type Multi-port Single Seat Valve
- HX-D Type Electric Single Seat Valve
Sanitary Mixproof Valve
- Lift-Type Mix-Proof Valve
- Mix-Proof Tank Bottom Valve
- Jet-Type Mix-Proof Valve
Sanitary Angle Seat Valve
- Diaphragm Pneumatic Angle Seat Valve
- Stainless Steel Pneumatic Angle Seat Valve
- Manual Angle Seat Valve
- Plastic Pneumatic Angle Seat Valve
- Proportional Control Angle Seat Valve
Sanitary Globe Valve
- Diaphragm Pneumatic Globe Valve
- Stainless Steel Pneumatic Globe Valve
- Manual Globe Valve
- Plastic Pneumatic Globe Valve
- 3-Way Globe Valve
Sanitary Tank Bottom Valve
- GD-WL Spool Extension Tank Bottom Valve
- GD-NL Spool Extension Tank Bottom Valve
- GD Series Spool Extension Tank Bottom Valve
- QF-GD Tank Bottom Ball Valve
Sanitary Safety Valve
- Standard Safety Valve
- Pneumatic Safety Valve
- Manual Quick-Exhaust Safety Valve
- Mini Safety Valve
- Sight Glass Safety Valve
Sanitary Constant Pressure Valve
Sanitary Pressure Reducing Valve
Sanitary Check Valve
- Center Clamped Check Valve
- 3-Piece Check Valve
- Center Flanged Check Valve
- Center Clamp Style Check Valve 09
- Center Threaded Check Valve
- Y-Type Check Valve
- Mini Check Valve
Sanitary Sampling Valve
- Yogurt Sampling Valve
- Sterile Sampling Valve
- Non-Retentive Sampling Valve
- Level Gauge
- Straight-Through Sampling Valve
- Y-Type Sampling Valve
- Patterned Handwheel Sampling Valve
Sanitary Cleaning Ball Technology
- Spray Jet
- Fixed Spray Ball
- Rotary Spray Ball
- Retractable Fixed Cleaner
- Retractable Washer
Sanitary Sight Glass
- Flange Sight Glass
- Union Clamp Sight Glass
- Spherical 4-Way Sight Glass
- Union Sight Glass
- Sight Glass Lamp
- Straight-Through Sight Glass
- EXD Explosion-proof Sight Glass Series
Sanitary Filter
- I-Type (Straight-Through) Filter
- L-Type (Angular) Filter
- Y-Type Filter
- Breather Filter
- Duplex Filter
- Magnetic Filter
- Micron Filter
- Union Filter
Sanitary Manway
- Round Normal Manway
- Round Pressure Manway
- Rectangular Manway
- Elliptical Internally Opening Manway
- Elliptical Externally Opening Manway
- Manway with Sight Glass
- Damping Open-slowly Manhole
- Oval Fastigiate Swing-out Manhole
Sanitary Filling Valve
- Flow Switching Diaphragm Filling Valve
- Diaphragm Type Filling Valve
- Plunger Type Filling Valve
Sanitary Exhaust Valve
- DJ-AK-PQG Lever Type Exhaust Valve
- DJ-AK-GZK Lever Type Anti-vacuum Valve
- DJ-AK-PQF Float Type Exhaust Valve
- DJ-AK-HXF Breathing Valve
Hand Washing Valve
- Infrared Sensor Switch Valve
Valve Control Device
- Valve Control Unit C-Top
- Valve Positioner IL-TOP
- Valve Position Feedback F-TOP
- Vertical Pneumatic Actuator+Adapts Various Valve Controllers
- Air Source Accessories-Solenoid Valve Series
- Air Source Accessories-Filter Reducing Valve Series
- External Rotary Stroke Detector-J-TOP-23B4
- External Straight Travel Detector-J-TOP-23A3

DONJOY TECHNOLOGY CO., LTD.

donjoy@cndonjoy.com

+86-577-86990888

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No.25 Gangfu Road, Konggang New District, Longwan, Wenzhou, Zhejiang, China.

Valves & Fittings/Pumps & Self Control Valves

donjoy05@cndonjoy.com

+86-577-86990966

+86-18967758065

Contact DONJOY for Professional Sanitary Fluid Control Solutions

Our experts will answer your questions in no time.

Latest News of Donjoy

Jan 16, 2026 |

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Dec 24, 2025 |

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Dec 03, 2025 |

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Installation Advantage: Maximizing Uptime with the Sanitary Butterfly Valve Read More >

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Valve

Valve Actuator Sanitary Diaphragm Valve Sanitary Butterfly Valve Sanitary Ball Valve Sanitary Diverter Valve Sanitary Mixproof Valve Sanitary Angle Seat Valve Sanitary Globe Valve Sanitary Tank Bottom Valve Sanitary Safety Valve Sanitary Check Valve Sanitary Sampling Valve

Pump

Sanitary Lobe Pump Sanitary Twin Screw Pump Sanitary Centrifugal Pump Sanitary Self-Priming Pump Homogenizer Pump for Emulsification Sanitary Mixing Pump Constant Pressure Water Supply System Pump Control Device

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DONJOY TECHNOLOGY CO., LTD.

Tel:
+86-577-86990888

E-mail:
donjoy@cndonjoy.com

No.25 Gangfu Road, Konggang New District, Longwan, Wenzhou, China

Sales Manager for Sanitary Pumps, Valves and Controllers

Tel:
+86-577-86990888

Mobile/WhatsApp:
+86-18967758065

E-mail:
donjoy05@cndonjoy.com

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Valve

Valve Actuator Sanitary Diaphragm Valve Sanitary Butterfly Valve Sanitary Ball Valve Sanitary Arc Valve Sanitary Diverter Valve Sanitary Mixproof Valve Sanitary Angle Seat Valve Sanitary Globe Valve Sanitary Tank Bottom Valve Sanitary Safety Valve Sanitary Constant Pressure Valve Sanitary Pressure Reducing Valve Sanitary Check Valve Sanitary Sampling Valve Sanitary Cleaning Ball Technology Sanitary Sight Glass Sanitary Filter Sanitary Manway Sanitary Filling Valve Sanitary Exhaust Valve Hand Washing Valve Valve Control Device

Pump

Sanitary Lobe Pump Sanitary Twin Screw Pump Sanitary Sine Pump Flexible Impeller Pump Sanitary Centrifugal Pump Sanitary Self-Priming Pump Homogenizer Pump for Emulsification Sanitary Mixing Pump Constant Pressure Water Supply System Pump Control Device

Industries

Dairy & Food Processing Brewery and Beverage Pharmaceutical & Cosmetics Chemical & Industrial Water Treatment Semiconductor New Energy Detergent and Daily Chemical

About Us

About Donjoy News

Quick Links

Services Downloads Video FAQ Blog

No.25 Gangfu Road, Konggang New District, Longwan, Wenzhou, Zhejiang, China.

donjoy@cndonjoy.com +86-577-86990888

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