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Flanged Differential Pressure Control Valve for Automatic Water Flow Balance Control
US$190.00-240.00
1 Piece
Sample price:US$120.00/piece.Request sample

Product profile

Customization

Available

Certification

GS, CE, ISO9001

Media

Gas, Oil, Water, Acid

Model NO.

SZFP-F-16Q-DN100

Standard

Standard

Connection Mode

Flange

Power

Hydraulic

Material

Stainless Steel

Type

Self-Operated

Product Name

Control Valve

Model

Zf-Dynamic Series

Valve Type

Flow Control Valve

Function

Automatic Flow Balancing

Nominal Diameter

DN15- DN600

Nominal Pressure

Pn16 / Pn25

Flow Accuracy

±5%

Working Temperature

0℃ ~ 150℃

Control Range

Adjustable Flow Rate

Valve Body

Ductile Iron / Cast Steel / Stainless Steel

Internal Components

Stainless Steel

Spring Material

Stainless Steel

Application

HVAC Systems Heating Systems Cooling Systems Water

Advantages-01

Improve System Efficiency

Advantages-02

Automatic Flow Balancing Without Manual Adjustment

Transport Package

Wooden Case

Specification

DN50-DN150(Customizable according to needs)

Trademark

Zentif

Origin

China

HS Code

8421199090

Production Capacity

500000

Key features

Self-Operated Design: No external power required; uses medium pressure for stable differential pressure control.
Zero Leakage Sealing: Bubble-tight sealing with anti-water hammer slow closing design for harsh environments.
Wide Pressure Range: Adjustable differential pressure range of 10-160 kPa for precise flow balancing.
Customizable Materials: Available in SS304, SS316, WCB, and ductile iron to meet specific project needs.
100% Pressure Tested: Every valve undergoes rigorous testing per ISO 5208 standards for reliability.
OEM/ODM Support: Supports custom flange standards, materials, and technical drawing requests (PDF/CAD).
Multi-Industry Application: Ideal for HVAC, fire protection, municipal drainage, and high-rise water supply systems.

Company profile

Shanghai Zentif Valve Group Co., Ltd.
Importers and ExportersHigh Repeat Buyers ChoiceIn-stock CapacityFast Delivery
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Designs CertifiedExport Year: N/A CertifiedNearest Port: Shanghai PortAverage Response Time: ≤2.11h

About Our Factory & Business Background

AddressNo. 111 Huangjia Garden Road, Jiangqiao Town, Jiading District, Shanghai, China
Plant Area12819.22 square meters
Number of Employees81
Registered Capital55,484,089 RMB
Terms of PaymentLC, T/T, D/P, PayPal, Western Union, Small-amount payment
International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW
Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays
Minimum Order Quantity500 PICS
Supply Chain Partners12

Our Production Capability & Technical Expertise

Main Productsangle valve
Production Lines5
Production MachinesCNC Lathe, Lathe, Shot Blasting Facility, Vertical Lathe
QA/QC inspectors3 people
Inspection Type for Finished Products100% inspection(Visual inspection & Function inspection)
Inspection Method for Finished ProductsHave instructions and uniformly followed
R&D Engineers2 people
Traceability of Raw MaterialsYes

Our Industry Experience & Global Business Record

Year of Establishment2001-03-20
Main MarketsDomestic
Repeat Buyers Choice50%~80%
Number of Foreign Trading Staff4
Overseas Agent/BranchNo
New Products Launched in Last yearNo

Our Certifications, Standards & Industry Recognition

Cooperated with Fortune 500No

Product Q&A

Q:How to select the ideal control valve for systems with fluctuating pressure?
A:
In HVAC or high-rise water networks, pressure instability is common. For stability, use a Self-Operated Differential Pressure Control Valve or Proportional Control Valve, which operate without external power, sensing pressure changes to adjust the main valve, preventing over-pressure and ensuring terminal equipment safety.
Q:What is the best way to prevent water hammer in fire protection systems?
A:
Fire pumps can cause water hammer, leading to pipe bursts. Install a Multi-Functional Pump Control Valve or Water Hammer Arrestor Valve to dissipate kinetic energy and protect Fire Pump Rooms from hydraulic shock.
Q:Are solenoid control valves durable enough for high-frequency drainage automation?
A:
Traditional solenoid valves often face coil burnout or seal wear in high-frequency use. Zentif's Solenoid Control Valves employ a diaphragm-based design instead of pistons, reducing friction and enhancing response. With corrosion-resistant seals, these valves ensure bubble-tight performance in sewage or industrial wastewater, significantly extending maintenance cycles.
Q:How to solve thermal imbalance in HVAC chilled water systems?
A:
Thermal imbalance is typically due to static hydraulic deviation. The best solution is installing a Dynamic Balancing Electric Control Valve or a Proportional Integral Electric Two-Way Valve. These valves adjust flow area per real-time load needs. Even with branch pressure changes, the valve sustains constant flow, removing hot/cold spots and boosting energy efficiency.
Q:What is the working principle of this differential pressure control valve?
A:
The control valve is self-operated, using the medium's pressure to maintain a stable differential pressure. It adjusts the main valve opening via the pilot control system, keeping pressure within range and reducing fluctuations.

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