Y Strainer

The Y strainer is a pipeline auxiliary device that intercepts impurities in the medium through an internal filter screen. It is named for the "Y" shape of its shell. It can effectively protect subsequent precision equipment such as valves, pumps and instruments from wear or blockage by particle impurities, and is widely used in various medium systems such as water, steam, oil and gas.

I. Core Function: Why Must Y-type Filters be Installed?

Protect downstream equipment

The medium in pipelines often contains impurities such as rust, sand and gravel, welding slag, and fibers. If they directly enter valves, pumps or flow meters, it may cause wear of the sealing surface, jamming of the valve core, damage to the impeller or measurement errors of the instrument. The filter screen of the Y strainer can intercept these impurities, significantly extending the service life of downstream equipment and reducing maintenance costs.

For instance, in the air conditioning water circulation system, the Y strainer can prevent the welding slag generated from pipe welding from clogging the electronic expansion valve. At the inlet of the oil pump, it can prevent particle impurities from wearing the pump impeller.

Ensure the stable operation of the system

The accumulation of impurities may lead to an increase in local resistance of the pipeline, a decrease in flow rate, and even cause the system to "get stuck" and shut down. The Y strainer can maintain smooth medium flow by regularly cleaning the filter screen, ensuring stable system pressure and compliance with flow standards. It is especially suitable for scenarios with high requirements for medium cleanliness.

Easy to install and low in cost

Compared with other filtration devices, Y strainers have a compact structure and light weight, and can be directly connected in series in pipelines without occupying a large amount of additional space. Moreover, it has a low manufacturing cost and is easy to maintain, making it an extremely cost-effective impurity filtration solution.

Ii. Structural Features: How to Achieve Efficient Filtration?

The core structure of a Y strainer consists of three parts: the housing, the filter screen, and the drain port. The design details determine the filtration efficiency and ease of use.

Shell design

The "Y" -shaped structure enables the medium to flow naturally through the filter screen. Impurities are intercepted by the filter screen due to inertia, and the clean medium flows out from the outlet. The shell material can be selected according to the characteristics of the medium:

Cast iron/ductile iron: Suitable for neutral media such as water and steam, low cost and high strength;

Stainless steel : Resistant to acid and alkali corrosion, suitable for corrosive media or clean fluids in the chemical, food, pharmaceutical and other industries;

Copper alloy: Suitable for low-pressure small-diameter systems such as drinking water and air conditioning water, with good rust resistance.

Filter screen parameters

The filter screen is the core of filtration, and its specification should be selected based on the particle size of impurities

Mesh size: Commonly available are 10 mesh, 40 mesh, and 100 mesh. It can be selected based on the precision tolerance of downstream equipment.

Filter screen material: Mostly stainless steel, with strong corrosion resistance and high strength, and can be repeatedly cleaned and used. Nylon filters are also used in some low-pressure scenarios, which are less costly but have poorer heat resistance.

Sewage discharge and cleaning design

Most Y strainers are equipped with a drain port at the bottom and a drain valve. The filter screen can be flushed by opening the drain valve without disassembly. They are suitable for scenarios with a lot of impurities and frequent cleaning requirements.

Small-diameter models often adopt detachable end covers. When cleaning, the upstream and downstream valves need to be closed, and the end cover can be removed to take out the filter screen for cleaning or replacement. The operation is simple and suitable for systems with less impurities.

Iii. Applicable Scenarios: Which systems Must be installed?

The application scope of Y strainers almost covers all industrial and civil pipeline systems, and they are especially indispensable in the following scenarios:

Protection before pumps, valves and instruments

Centrifugal pump and plunger pump inlet: Prevent impurities from entering the pump body to wear the impeller or jam the shaft seal;

Before the control valve and solenoid valve: Avoid impurities getting stuck in the valve core to ensure precise valve operation.

Before the flowmeter and pressure gauge: Prevent particles from scratching the sensor to ensure measurement accuracy.

Specific medium system

Water treatment system: Tap water, well water, cooling water pipes, intercepting sediment, rust, etc.

Steam system: Intercept pipeline oxide scale and welding slag, protect steam valves and heat exchangers;

Oil products/chemical systems: Filter mechanical impurities in crude oil and lubricating oil, or solid particles in corrosive media;

In the food and pharmaceutical industry, the sanitary-grade Y strainer can intercept foreign substances in raw materials, meeting GMP standards.

Suggested installation location

It is usually installed at the inlet of the pipeline, upstream of the equipment or before the valve, and should be close to the equipment that needs protection to shorten the flow distance of the unfiltered medium. At the same time, a position that is convenient for disassembly and cleaning should be selected, and stop valves should be installed before and after the filter to facilitate separate disassembly and maintenance.

Although the Y strainer has a simple structure, it is the "first line of defense" of the pipeline system. Through reasonable selection and maintenance, it can effectively intercept impurities and ensure the safe operation of equipment. It is an indispensable key auxiliary device in various fluid systems.

FAQ

1. How is your price?
A: Although we have brand-name products, our prices are very favorable and competitive.Because of our best price, customers from all over the world come to purchase our products.

2. How long is your warranty?
A: Our Warranty is 12 month.

3. Can I get free samples?
A: Yes, we can provide you the free samples, but you need to bear their own delivery costs.

4. Can I request to change the form of packaging and transportation?
A: Yes, We can change the form of the packaging and transportation according to your request, but you have to bear their own costs incurred during this period and the spreads.

5. Can I request to advance the shipment?
A: It should be depends on whether there is sufficient inventory in our warehouse.

6. Could you specially design and produce for clients?
A: Sure, we have all kinds of professional engineers.We can design and produce special products according to customers' request. Such as: special size, special control, OEM, etc.

7. What’s the MIDAS main market?
A: Our main market is African, Middle East Countries, South American, Asian.

8. What’s your payment?
1) 100% T/T
2) 30% in advance, others before shipment.
3) L/C