Yongda Yongda

Cheap Back Pressure Regulator Factories & Exporters

Industrial-Grade Pressure Control Systems & OEM Valve Fluid Dynamics by Yuhuan Yongda Fluid Control Co., Ltd.

Industry Insight Whitepaper

The Evolution of Back Pressure Regulators in Smart Industrial Ecosystems

Next-Gen Precision & Sensing

Modern fluid dynamics demand real-time feedback loop integration. Back pressure regulators are transforming from purely mechanical, diaphragm-operated relief boundaries into smart sensor-integrated devices. By implementing high-fidelity brass substrates and advanced piston seals, industries achieve steady-state system pressures with micro-bar precision.

Material Integrity & Eco-Standard

Global regulatory landscapes, including EU REACH, RoHS, and NSF standards in North America, mandate lead-free and high-durability alloy designs. This requires specialized brass formulations that resist dezincification (DZR) while maintaining outstanding mechanical tensile strength during continuous thermal cyclic stress.

Cost-Effectiveness Redefined

For high-volume engineering operations, sourcing "cheap" components must not imply compromised safety. A true industrial "cheap" solution translates to high value-to-cost ratios enabled by automated mass production. Modern vertical integration reduces raw material waste, bringing down structural factory pricing while increasing reliability.

Definition & Significance: A Back Pressure Regulator (BPR) controls its upstream pressure, maintaining a constant system threshold regardless of flow changes. In critical manifold distribution systems, boiler operations, and municipal underfloor heating configurations, selecting highly calibrated valves is vital to protect pumps, control bypass flows, and optimize thermodynamic efficiency.

Proven Engineering Since 1996

Yuhuan Yongda Fluid Control Co., Ltd.

Yuhuan Yongda Fluid Control Co., Ltd. (formerly Yuhuan Yongda Plumbing Co., Ltd.) was founded in 1996 and is strategically located in the "China Valve Capital" — Yuhuan, Zhejiang. As a prominent, professional fluid control enterprise, our capabilities encompass product design, material development, automated production, and global export services. Our products are optimized into three core categories: brass valves, high-precision fittings, and HVAC distribution components.

Under our premium dynamic brand, Cokaren ("keep flowing, keep warming"), we deliver engineered solutions that promise comfort, reliability, and continuous flow validation. We are executing a global brand expansion strategy, combining our massive manufacturing capacity with rigorous quality control to meet the demanding requirements of industrial buyers across Europe, North America, and over 20 nations worldwide.

Yuhuan Yongda Manufacturing Plant Exterior
1996
Founded In
45,000+
Factory Area (sqm)
600+
Advanced Testing Equipment
20+
Exported Countries
Advanced Manufacturing Advantage

China Factory 4.0: Supply Chain Resilience & Cost-Efficiency

Yuhuan Yongda Automation and QC Testing Lines

How We Master Competitive Sourcing

Operating in the Yuhuan industrial cluster gives our factory localized supply chain benefits. By integrating raw material sourcing, automated forging, precision CNC machining, and automated pressure testing within a highly coordinated radius, we significantly reduce manufacturing overhead.

  • Automated Forging: Eliminates manual casting flaws, ensuring zero structural porosity.
  • Vertical Integration: Specialized machine tools (over 80 dedicated units) process complex contours with tight tolerances.
  • Quality Assurance Policy: Our operational standard of "fine work, no leakage" governs every valve produced.
  • Compliance Auditing: The facility operates under certified ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018 management systems.
Ecosystem Topology

Energy Distribution & Fluid Management Systems

Our valves and manifolds are designed to work together to regulate temperature, balance bypass pressures, and filter impurities in commercial and residential HVAC networks.

Energy Distribution System Schematic Diagram
Y9021 Water Filter

Y9021 Water Filter

The first line of defense in domestic water sanitation, engineered to capture up to 98% of particulate impurities in distribution pipelines.

High Efficiency Prefiltration
Boiler Angel Valve Y5001/Y5002

Boiler Angel Valve Y5001/Y5002

Precision spherical spool valves designed to regulate high-velocity cold and hot water inflows and outflows in central boilers.

Thermodynamic Isolation
Y9070 Venting Valve

Y9070 Venting Valve

Automatically discharges excess air in heat pump and water heating loops, preventing cavitation and air locks.

Automated Air Release
Y5020 Mixing Shunt

Y5020 Mixing Shunt

Proportionately mixes hot supply and cool return water to maintain stable output temperatures, protecting system pipes from thermal shocks.

Thermal Regulation
Y9031 Smart Thermostat

Y9031 Smart Thermostat

Aggregates manifold actuators and temperature sensors, enabling responsive zoning control and energy management.

IoT Integration Node
Y2010/Y6012 HVAC Valve

Y2010/Y6012 HVAC Valve

Integrates inline filtration, pressure sensing, temperature gauges, and isolation switches into a compact body.

Multi-Function Control
Y1001 Manifold

Y1001 Manifold System

The central hub of underfloor hydronic networks. It balances and distributes warm water to multiple zones, maintaining balanced flow and consistent room temperatures.

Dynamic Multi-Zone Balancing

Corporate Culture

Struggle, Enterprising, Pragmatic, Innovative: Our core values drive continuous improvement in our manufacturing processes and international B2B relationships.

Tenet: Customer first, Quality based.

Quality Policy: Fine work, no leakage.

"We align corporate growth with the well-being and personal growth of our engineering teams."

Compliance & Certifications

Yuhuan Yongda operates in compliance with international environmental and occupational standards, ensuring safe manufacturing practices.

  • ISO 9001:2015 Quality Management Systems
  • ISO 14001:2015 Environmental Management Standards
  • ISO 45001:2018 Occupational Health and Safety
Yongda Inspection Certificates
Engineering Catalog

Cokaren Catalog & Valve Configurations

Ball Valve with Filter

Ball Valve with Filter

Combines inline shutoff capability with dynamic particle filtration to protect downstream control devices.

The Temperature Control Valve

Manual Temperature Control Valve

Provides mechanical adjustment of hot water flow, maintaining target room temperatures without electric power.

Mixing Shunt

Mixing Shunt (Standard)

Maintains safe operating temperatures in underfloor systems, protecting pipes from excessive boiler heat.

Full Specifications & Auxiliary Components

Three Way Ball Valve

Three Way Ball Valve & Forged Piston Pressure Reducing Valves

Brass Safety Water Stop Valve

Anti-Corrosion External Thread Hose Tap Brass Safety Water Stop Valves

Brass Water Hose Union Bib Tap

Brass Water Hose Union Bib Tap

Brass Ball Valve Pipe Fittings

Brass Ball Valve Pipe Fittings Water Kraan

Pressure Relief Valve

Brass Ball Valve Pipe Fittings Cylinder Pressure Relief Flow Control

Anti-Theft Brass Faucet

Anti-Theft Electroplated Brass Faucet Male with Lock Sanitary Ball Valve

Brass Gate Valves

Brass Gate Valves Brass Material Female Thread Water Gate Valve

Plating Nickel Check Valve

Plating Nickel Check Valve Brass T Strainer

Brass Y Type Strainer Valve

Brass Y Type Strainer Valve

Brass Check Foot Valve

Brass Vertical Spring Check Foot Valve with Brass Filter

One-Way Check Valve

Manual Internal Thread Straight Through One-Way Check Valve

Underfloor Mixing Valve Unit

Water Underfloor Heating Manifold Brass Pump Mixing Valve Unit

Floor Heating Water Mixing System

Floor Heating Systems Water Mixing System Temperature Control for HVAC

HVAC Water Mixing Control System

Heating HVAC Water Mixing Control System for House with Underfloor Heating System Manifold

Manifold Bypass Group

Manifold Differential Pressure Bypass Brass Air Vent Valve Group

Floor Heating Manifold Plug

Floor Heating Manifold Plug Manual Air Vent Plug

Brass Air Vent Valve

Brass Air Vent Valve Custom Air Vent Valve Brass Automatic Air Release Valve Adjustable

Automatic Air Vents for Boilers

Automatic Air Vents For Boilers and Central Heating Systems

Automatic Air Vent Drain Valve

Automatic Air Vent Drain Valve for Floor Heating System

Brass End Unit Accessories Tail Fitting Exhaust Discharge Water. Designed for high reliability in active central hydronic loops, discharging air bubbles to prevent thermal gradient drops.

B2B Sourcing Guide

Frequently Asked Questions: Sourcing Brass Valves & Regulators

What is the difference between a pressure reducing valve and a back pressure regulator?
A pressure reducing valve controls downstream pressure, opening when downstream pressure drops below the setpoint to maintain output consistency. In contrast, a back pressure regulator (BPR) controls its upstream pressure. It monitors pressure at the inlet port, opening when upstream pressure rises above the setpoint to vent excess pressure to a bypass line, safeguarding pumps and maintaining primary loop integrity.
How does Yuhuan Yongda guarantee a leak-free manufacturing standard?
Our quality policy is "fine work, no leakage." We utilize hot-forging technology to eliminate micro-cavities within the brass matrix, followed by high-precision machining on specialized CNC systems. Every single valve and manifold undergoes pressure testing at assembly-line stations before packaging to ensure zero defects.
Can Cokaren products be customized for specific OEM profiles?
Yes. With over 80 sets of specialized machine tools and a dedicated engineering design team, we provide OEM/ODM services. We can customize port sizing, thread standards (NPT, BSP, G), pressure relief parameters, and custom brand stamping for international importers.
What certifications back your environmental and structural quality?
We are fully certified under ISO 9001:2015 (Quality Management), ISO 14001:2015 (Environmental Management), and ISO 45001:2018 (Occupational Health & Safety). Furthermore, our brass formulations comply with leading global requirements for lead content and material safety in distribution lines.
Why is the Yuhuan cluster advantageous for global buyers?
Known as the "China Valve Capital," Yuhuan offers a complete manufacturing ecosystem. This local integration provides easy access to raw materials, surface plating facilities, specialized tooling, and export logistics, allowing us to keep prices highly competitive without sacrificing material quality.