Product Description
Delivery valve
The varieties of delivery valve couples produced by Huahui Oil Pump and Nozzle Company include: BQ series, No. I series, No. II series, A series, AK series, AD series, P series, and high-pressure common rail series, with diameters ranging from 5 to 9 mm. The product can meet the requirements of various diesel engine supporting oil pumps.
As an important part of the oil pump, the delivery valve couple consists of the delivery valve and the valve seat. The material has wear-resistant and corrosion-resistant characteristics, and the matching clearance is controlled at 0.002 - 0.004mm. During fuel delivery, the oil passage can be quickly cut off or opened to stabilize the injection pressure, allowing the engine to burn more fully, improving power and reducing fuel consumption.
Overview
The F833 Delivery Valve Assembly is a critical component in high-pressure diesel fuel injection systems, specifically designed for inline fuel injection pumps. It plays a key role in controlling fuel flow from the plunger to the injector, while preventing backflow and ensuring a clean fuel cutoff. This leads to better combustion control, reduced emissions, and improved overall engine efficiency.
Precision-engineered from hardened alloy steel and finished to exact tolerances, the F833 offers superior performance, reliability, and durability in demanding diesel engine environments such as commercial vehicles, agricultural machinery, and industrial equipment.
Key Features & Advantages
Accurate Fuel Delivery Control
Maintains consistent fuel pressure and delivers precise amounts of fuel to the injectors, ensuring clean combustion and stable engine operation.
Quick Fuel Cutoff
Prevents dribbling and fuel backflow, helping to reduce smoke and fuel waste.
High Durability
Manufactured from premium alloy steel with heat treatment for excellent wear resistance, corrosion protection, and long service life.
Leak-Free Operation
Engineered sealing surfaces ensure secure installation and minimize the risk of fuel leakage.
Broad Compatibility
Designed to fit a range of inline injection pumps for diesel engines used in on-road and off-road applications.
Applications
The F833 Delivery Valve Assembly is commonly used in:
Heavy-Duty Diesel Trucks
For consistent fuel pressure and reliable engine output.
Agricultural Equipment
Tractors, harvesters, and other diesel farm machines.
Construction Machinery
Excavators, bulldozers, loaders, and road rollers.
Stationary Industrial Engines
Including diesel-powered generators and marine engines.
FAQ
How many production lines in your factory?
5 production lines
Can you design the equipment according to our size?
Yes
What is the primary function of the F833 Delivery Valve Assembly?
It controls fuel delivery to the injector and prevents fuel from returning to the pump, enabling cleaner combustion and better engine efficiency.
What are the signs of a worn-out or failing delivery valve?
Symptoms may include rough idling, excessive smoke, poor fuel efficiency, injector dribbling, or hard starting.
Can I install the F833 delivery valve without professional help?
While it is possible, installation requires precise alignment and cleanliness. Professional installation is recommended to ensure optimal fuel system performance.
How long does the F833 delivery valve assembly typically last?
With proper fuel filtration and regular maintenance, it can operate reliably for 2,500 to 3,500 engine hours or more.
Is the F833 compatible with all diesel injection pumps?
No. The F833 is designed for specific models of inline injection pumps. Always check compatibility with your fuel system specifications or consult your supplier.
Company Introduction
Changzhou Huahui Fuel Injection Equipment Co.,Ltd's main products include S and P series long and short injector assembly and injector nozzle parts. Injection pumps used in 165-1125 single-cylinder engines and plungers and oil delivery valve parts used in injection pumps. In recent years, with the efforts of our scientific research personnel, we have successively developed P series BQ type, PW type, P7 type, P8 type, PE type, PN type, P7100 type, P2000 type, high-pressure common rail series, etc., a total of more than 100 types of plunger parts and electronically controlled single pumps.
