Self Operated Pn16 Differential Pressure Water Balancing Valve for Heating Systems

• Customization: Available
• Material: Ductile Iron
• Usage: Industrial and Water System
• Model NO.: VHB-0003
• Application: Cooling/Heating System and HVAC Stystem
• Media: Water,Oil
• Color: OEM
• Transport Package: Pallet and Carton
• Specification: DN50-DN300
• Trademark: OEM
• Origin: Fujian, China
• HS Code: 8481804090
• Production Capacity: 500000pieces/Year
• Package Size: 35.00cm * 35.00cm * 50.00cm
• Package Gross Weight: 12.000kg

Product Description

Self-Operated Differential Pressure Valve

The Self-Operated Differential Pressure Valve uses system pressure for automatic regulation without external power, ideal for heating and hydronic systems requiring high reliability.

Specification

Features

No external power required
Automatic pressure stabilization
Simple structure, low maintenance
Suitable for continuous operation

Applications
Heating systems
Heat exchange stations
Industrial water circulation
Building automation systems

Main component materials

(Custom configurations available upon request.)

Valve Type	Self-Operated Differential Pressure Valve
Nominal Diameter	DN50–DN300
Nominal Pressure	PN16
Control Method	Self-operated
Valve Body Material	Ductile Iron
Connection Method	Flanged
Applicable Medium	Water
Temperature Range	0–120℃

Company Profile

Keep Promise Global (Xiamen) Holding Ltd.

Keep Promise Global (Xiamen) Holding Ltd. is a leading Chinese manufacturer of Valveproducts with over 30 years of expertise. Certified with ISO 9001, CE, and TS, we export to 50+ countries, offering reliable and diverse range of valve products by R&D innovation and strict quality control.

Why Choose Us?

Other Products

OEM/ODM capabilities
Competitive pricing & bulk discounts
Fast shipping & customs clearance support
Turnkey project solutions

Gate Valve
Butterfly Valve
Control Valve
Check Valve
Diaphragm Valve

Q1: What types of valves do you manufacture?
A1: We produce gate valves, ball valves, globe valves, check valves, butterfly valves, and other customized valves in materials such as cast iron, carbon steel, and stainless steel.
 
Q2: Can you produce valves according to our drawings or samples?
A2: Yes. We provide OEM/ODM service. Send us your drawings or samples, and we will design and produce accordingly.
 
Q3: What standards do your valves comply with?
A3: Our valves are produced according to ANSI, DIN, JIS, BS, and GB standards, depending on your market requirements.
 
Q4: What is the working pressure and temperature range of your valves?
A4: Pressure: 1.0–6.4 MPa; Temperature: -20°C to 425°C (depending on valve type and material).
 
Q5: What is your minimum order quantity (MOQ)?
A5: For standard valves, MOQ is usually 10–50 pieces. For trial orders, smaller quantities are acceptable.
 
Q6: What are your payment terms?
A6: Usually T/T 30% deposit, 70% before shipment. L/C at sight or other methods can be negotiated.
 
Q7: Can I visit your factory before placing an order?
A7: Of course. We welcome all clients to visit our factory. We can also arrange a video inspection if you cannot travel.
 
Q8: How long is your delivery time?
A8: Normally 15–25 days for standard products; 30–45 days for large or customized orders.
 
Q9: What shipping methods do you offer?
A9: We can arrange shipment by sea (FCL/LCL), air, or express courier (DHL, FedEx) depending on your need.
 
Q10: What should I do if I receive defective goods?
A10: Please send photos or videos showing the problem. Our team will analyze the cause and provide a solution within 48 hours.
 
Q11: Do you offer spare parts or maintenance support?
A11: Yes, we can supply spare parts and maintenance instructions for long-term cooperation customers.
 
Q12: Why choose your company?
A12:Over 30 years of manufacturing experience
ISO/CE/PED certified factory
Fast response and professional technical support
Reliable quality and competitive price
 
Still have questions?
Feel free to contact us anytime — we will reply within 24 hours with full support.