OF Series Pleated Filter Cartridge is manufactured to exact standards and are used for filtration of oilfield fluids and its fully thermal welded construction ensures safe operation and optimum filtration performance. Its media has a fixed pore construction of high quality fibers while providing combination of surface and depth filtration. The high performance 3-layers glass fibre/PET media provide the unique combination of high flow rate, high dirt load capacity, large surface area at absolute rating of beta 5000 (99.98% removal). The fully thermal welded construction ensures safe usage in filtration with high temperature fluids, acids, diesel, oily water and solvents. The advantage is smaller filter vessels, less footprint and lower capitical investments. OF series are manufactured with a rigid outer cage ideally suited for use in harsh oilfield environments and available in a wide range of microns suitable for the protection of oilfield formations.

Applications
- Completion fluids
- Work over fluids
- Gravel pack fluids
- Waste water
- Diesel, fuel & oil
- Surface water intake
- Polishing brines
- Gels, amines & glycols
- Process water
- Pre filtration RO
- Stimulation fluids
- Acids

Features
- Large filter area and depth filtration provides a long life time of pleated filter cartridge
- Fully thermally welded,no glue or adhesives
- Beta5000(efficiency 99.98%) for Glass fiber media
- Low cost because of large filter area and reduces labor costs to change
- Three layers construction:Glass fiber media with PET support layer for maximum removal performance,strength and stability
- The higher strength of outer hard cage

Materials of Construction
Technical Specification
Ordering Information

About Us
We are the pioneer and leading manufacturer for filter industry. Over the past 25 years, Darlly has grown from 4 employees to more than 500 employees. We have US and EU R&D center and warehouses. We focus on technology innovation and devote to supply best eco-friendly filtration solutions to all the industries. Based on comprehensive process knowledge, we provide variety of standard filter products, not only supply standard filtration products for customer's selection, but also design and customize according to customer's requirements. We are a high-tech company focusing on quality with competitive price.Filtering everything is our mission, let's work together to make the world cleaner.

FAQ
1. Q: Are you a trading company or a manufacturer? 
A: We are a professional manufacturer of all kinds of filter cartridges, housings and filtration systems. We provide you the total filtration solutions with our 25 years experiences in the industry. 

2. Q: May I have samples?
A: Sure, of course. Sample cost can be refunded if you place formal orders in the future.


3. Q: Can you make customized products?
A: Yes, of course if you can provide us detailed specifications or drawings. Our mission is to make customer's idea on the products and to provide the customer satisfied solutions.


4. Q: Can I use our own designed package?
A: Yes, size, color, logo and packaging style all can be customized.


5. Q: What's your MOQ?
A: Normally, 500 PCS/item. Any trial order which is less than MOQ is warmly welcomed. If you have a trial order, please feel free to contact us so that we can make some shipping recommendation for you to save the cost based on the quantity you need.


6. Q: I am a small business owner, can I buy from you?
A: Yes, you are warmly welcomed. To grow with our customer is our goal. We would like to grow with you together.


7. Q: What is your general lead time?
A: Normally 5-7 working days for off-the-shelf samples and 20-25 days for bulk production.


8. Q: What certificate do you have?
A: Our factory is ISO9001/ISO14000/OHSAS18000 certified. We have NSF, CE, Halal etc certificate for the products we are manufacturing.


9. Q: How should I place an order?
A: Please kindly click" Contact now" or "Chat with supplier", Then our sales engineer will recommend you suitable products for your selection also give some valuable suggestion for your selection.

10. Q: Since you are famous, can I be your agent?
A: Welcome to join us, we are happy to have a further discussion with you. Let's work together to make the world cleaner, safer and more productive.