Product Description

All engines that run a thermostat need to have some type of bypass provision to avoid localized hot spots, minimize the chance of steam pockets developing, promote even and rapid warm-up, and prevent water-pump cavitation.
The bypass hose allows coolant to recirculate within the engine, without passing through the radiator, as it does when the engine is warmed up and the thermostat opens. The bypass hose connects the thermostat housing and the water pump
All engine has two radiator hoses: an inlet hose, which takes the hot engine coolant from the engine and transports it to the radiator, and an outlet hose , which transports the engine coolant from the radiator to the engine.
 

Company Profile

We focus on the stamping forming bending welding part for almost 30 years.Founded in 1992, Started exporting in 2008, which is now covered more than 10000 square meters and with 439 employee.We were the first tire of the OEM supplier for VW TOYOTA HONDA FORD in China,Customer first:We control the quality by APQP,PPAP
Our business focus on the Engine Water Pump inlet Pipe , Coolant Bypass Pipe,cylinder pipe,heater water pipe,EGR pipe tube,Engine coolant pipe,

We were supply the Engine water pump pipe for a lot of application such as auto engine cooling system and the others ,We also support the after market service.MOQ is also ok for us  The engine cooling system container a lot of pipe :

Product Description

1.Engine Water Pump inlet Pipe,for water pump to cylinder
2.Engine Coolant Bypass Pipe,thermostat to engine cyliner
3.Engine cylinder inlet pipe,Engine heater water pipe 
4.EGR pipe tube ,Engine pump pipe,Car air conditioning tube

Production workshop

Brazing welding workhop: To give out better performance of the bypass tube ,EGR tube ,cylinder inlet pipe we use the brazing copper welding pipe instead of shield welding.

We fully carry out the TS 16949 quanlity management system with manufactory.Start from raw material incoming inspection to container loading .

Continuous improvemnet:ACT-PLAN-DO -CHECK

1.Brazing for seamless tube Copper braze paste CU 103-BS EN ISO 17672

2.The cylinder inlet water ,engine water pump pipe ,EGR pipe ,auto air conditionging tube was connect all the part by brazing or called copper welding .

Bending workshop:To give out the best bending service for the bending pipe ,The bending pipe production was completed by the CNC bending machine or stamping machine ,to make each conner perfect withou winkle.

We use the CNC bending machine to bending the tube for Engine Water Pump inlet Pipe, water pump to cylinder pipe ,Engine Coolant Bypass Pipe,thermostat to engine cyliner,Engine cylinder inlet pipe,Engine heater water pipe ,EGR pipe tube ,Engine pump pipe,Car air conditioning tube

Tube Bending:Tube bending is at the core of our capabilities, we have in excess of 60 CNC tube bending machines across the group with the ability to bend tubes in diameters from ø4mm up to ø152mm.  
We have several state-of-the-art multi-stack CNC bending machines which allow us to produce complex compound bends where there is very little straight length of tube between bends. This is often seen in automotive applications where there are very tight package spaces for tubes to be routed through. 
End Forming / Beading:We can produce all different kind types of beaded end form on tube, from single beads for the attachment of hoses and double beads to allow for a hard stop for a hose joint. We also produce complex Quick Connector end forms for the attachment of snap fit plastic Quick Connectors and rolled end forms which have a very tight tolerance and are used to join to applications such as turbochargers. 

Water coolant pipe bracket stamping workshop

Metal stamping is essential for forming materials like steel, copper, and brass into components like terminals, connectors, wire forms, and brackets in the automotive sector. It ensures that car parts are robust while providing speed, accuracy, and cost-effectiveness. It does, however, have restrictions, such as limits on material thickness. Metal stamping is essential to the production of automobiles since stamped parts are essential for a vehicle's strength and safety.
Dipstick tube bracket,cylinder water inlet pipe bracket

Auto engine pipe tube surface treatment workshop
Typically, a consumer will use a high-temperature ceramic coating on high performance, aftermarket parts or refurbishing original items. It can be applied to aluminium, stainless steel, carbon steel, chrome, and cast iron.
It is also exceptional on pistons, headers, turbo intakes, housings, brackets, and exhaust manifolds, headers, and pipes.
 

Leaking test workshop:Use air pressure to keep it within 30 second to inspection the cylinder water inlet pipe sealing

Quality control-Pipe leaking test
1.Each pipe go though air decay leak test  1Bar@0.5CC/Min 
2.Engine pump Pipe ship to plant or service part package free of any corrosion aligned with the Ford customer service
4.water coolant pipe clean conform to ES7T4E-6B616-AA,cleanliness extraction efficiency requirement is 60% Min.
5.Engine collant Tube steel EN10305-3 E220 CR2 S3
6.Engine water coolant by pass water pipe Bracket steel 3.0THK SAE J403 UNS G10080 OR G10100 0.2% C MIN
7.Inspection of engine coolant pipe ,each tube go though the NDA inspection ,some of them go by the X ray inspection to check the seam of the tube and pick out the leaking pipe.
 

CHARGE AIR PIPES ,GAS & AIR TRANSFER ASSEMBLIES ,TURBO FEED PIPES ,TURBO RETURN PIPES ,DIPSTICK OIL INDICATOR ASSEMBLIES,COOLANT RAIL ASSEMBLIES
,HEATER PIPE ASSEMBLIES,TURBO COOLANT ASSEMBLIES,The water coolant pipe need to be drying after the coating and leaking test

Raw material

Seamless steel tube pipe raw material inspection

Seamless steel tube pie inspection
Seamless steel tube pipe inspection before put into mass production
1. Seamless tube material :Most of the pipe was make by the metal steel and source it from the market ,our raw material come directly from the seamless tube factory
2. Raw material :our seamless tube pipe come directly from the seamless tube factory with certificate.
3.Mechanical Properties,Only tensile strength, yield strength and elongation of raw materials meet the requirements can move into mass productions.

Detailed Photos

Fluid and Air Transfer Pipes | Turbo Oil Feed Pipes | Cooling Pipes

Fluid and air transfer systems across a number of different engine and vehicle applications. From Turbo Feed and Return pipes, Multi Zone Heater System assemblies, Transmission Oil Cooling pipes to Dipstick Oil Indicator tubes, we are able to process complex tubular assemblies between 4mm and 75mm in outer diameter.
 

AIR PIPES

These pipes are 35mm to 60mm in diameter and are manufactured from stainless steel or mild steel with coating. They carry pressurised air from the compression system to the intake manifold and feature brazed on hydro-formed acoustic resonators to reduce noise transferring to the cabin space.

 GAS & AIR TRANSFER ASSEMBLIES

These pipes range 35mm to 60mm in diameter and can be supplied in coated mild steel or stainless steel materials with welded mounting brackets attached. They can also feature silicone hoses due to the aggressive nature of the gases that they carry.

DIPSTICK OIL INDICATOR ASSEMBLIES

These assemblies are designed for checking the oil level within the sump
These assemblies are designed for checking the oil level within the sump. They are often routed within very tight package spaces and consist of a metal guide tube with jointed bracket and an indicator blade for measuring the oil level.

Cylinder inlet water pipe

COOLANT RAIL ASSEMBLIES

These pipes range from 8mm up to 30mm in diameter and are manufactured in aluminium or coated mild steel. They are designed to transfer coolant around the engine and feature flexible rubber hoses and quick connector type end forms for ease of access during vehicle service.HEATER PIPE ASSEMBLIES

These pipes are usually manufactured in aluminium to allow for weight saving on the vehicle and can allow for routing in both tight package spaces and high temperature environments. The systems are often very complex multi tube assemblies which include EPDM hoses, brazed sub-tube joints and welded mounting brackets.

TURBO COOLANT ASSEMBLIES

Manufactured in both coated mild steel and stainless steel materials, these systems normally have feed and return assemblies which keep the turbo cool preventing it from reaching extreme temperatures. Often featuring brazed banjo fittings, machined end connector and hose assemblies these pipes are designed to be routed into very tight package spaces within the engine.TURBO FEED PIPES

Designed to deliver oil to lubricate and cool the turbo bearings. These small bore pipes operate at high pressures and require a very high level of internal cleanliness. They feature brazed banjo fittings and flexible hose sections to allow for accurate assembly to the engine block. They are usually manufactured in zinc plated mild steel or stainless steel materials.

TURBO RETURN PIPES

Designed to return oil from the turbo charger to the sump, these pipes can interface with the turbo at temperatures of up to 320ºc which require O-Ring seals manufactured from specialist high temperature materials. They can include hydro-formed bellows sections to give flexibility within the pipe to allow for compliance and ease of assembly at our customer's plants.

Automotive coolant hoses produced by engine parts factory have many uses in commercial vehicles. The most common use is to attach a radiator to the engine to control its temperature and keep the vehicle's occupants comfortable in hot weather.

Auto coolant hoses helps coolant flow through the engine and reduces heat accumulation during operation, contributing to efficient and fast transfer of engine fluids.

There were four most failure for the cooling system:
1.Radiator leaking,inculding the radiator cap ,tanks
2.Auto coolant tube leaking ,cylinder inlet pipe hose ,engine water pump pipe ,heater water pipe aging
3.Thermostat failure,the housing of the thermostat or the cap of the thermostat broken,the thermostat failure .
4.Fans failure.

To improve the engine coolant system performance we imporve the plastic thermostat housing into the metal,aluminum casting cap.the lower upper rubber radiator hose all connect system into the metal or the aluminum pipe tube

Cooling systems not only keep engine components from overheating, but also allow them to heat up faster in cold conditions for better performance. The primary function of the cooling system is to ensure the engine is operating within an optimal temperature range.
The engine generates heat during running,Most cooling systems are filled with a liquid coolant (also called antifreeze) that absorbs heat from the engine and then carries it to a part called your radiator,
The water's path in the cylinder take away the heat.water tank is store water until temperature of cylinder reaches to certain temperature and the thermostat will automatically turn on the pump and then the water will be circulated to the cylinder and then there is an upper pipe to transfer the spare water to the cylinder and the cylinder to the water tank by the ISUZU NKR Cylinder Inlet Pipe.
Water pump inlet pipe Take a key part in the engine coolant system to transfer the heat from engine to radiator.
Hybrid and electric vehicles, while having no engine, still contain cooling systems in order to regulate the temperature of the battery pack; electric motor; and other electric drive system parts. Many of these systems use a liquid coolant as well.