High efficiency EF4-50 oil tank air breather     High efficiency EF4-50 oil tank air breather

EF series breather filter consists of oil filtering and air filtering.

The filter not only can prevent the particle impurities from interfusing,

but also make sure the cleanliness of breathing air of the tank,

so as to simplify the structure of the oil tank and convenient for customer usage.  

Filter basic construction

The air filtering part of this filter adopts copper base powder metallurgic sintering filter chip,compared with non-metal filter, this filter has stable structure, high strength, and much easier to be cleaned and changed, and can bear the thermal stress, impact and high temperature. This oil filter screen adopts stainless steel wire with small oil flow rate resistance, and can efficiently filter the large particle impurities in the oil. 

Filter mesh material

Cover material is high strength casting aluminum alloy

Skeleton material is carbon steel

Filter media is made of stainless steel wire  

Xinxiang City Huahang Filter Co., Ltd. is a professional industrial filter manufacturer integrating design, production and marketing. With strong technical force, perfect testing means, and excellent after-sales service, we provide users with a variety of high-quality products.

Our main products include hydraulic filters, air filters and pipe filters. Products are widely used in petroleum, chemical and metallurgical machinery, textile, pharmaceutical, automobile, chemical fiber, and air-conditioning.

"Quality first, customer first" is our business objective. We will, as always, offer new and old customers with the best quality service.

Xinxiang City Huahang Filter Co.,ltd. Is established in 2003,we have

1.3000m³ workshop for filters production

2.Production and sales integration in Huahang Filter Company

3.7 exporting departments for foreign trade services

4.16 engineers for designing and calculating reasonable price in time

5.More than 20 workers for production line

1.Pre-sale service :
   Provide you best products price you need 
   Answer all your questions about the products patiently .
2.Medium-sale service :
   All filter element will be tested before shippment 
   Provide you newest goods transport conditions until you receive our products 
3.After-sale service :
   Technical advisory for any time 
   If the products have quality problem , and because of us , we will make the new products to you