GENERAL INFORMATION  
The catalysts used in many of today's processes for hydrocracking, hydrodesulfurizing and hydrotreating are designed for long service life, requiring more effective removal of solids from the feedstock to avoid premature and expensive replacement due to plugging. The cost of replacing a catalyst load is expensive, often as much as twenty to thirty times the price of an effective tubular filter system. 4000 Series tubular backwash filters, ASME Code designed and stamped, provide cost effective continuous protection for the life of catalytic reactors. The ProGuard Filtration System is designed for high temperature, high pressure critical refinery applications where low maintenance, continuous operations are a necessity.

 
STANDARD FEATURES

• 4 to 20 Filter Tubes Per Bank
• Single Sided or Double Sided Arrangement
• Multiple Banks for Greater Flow Capacity
• ASME Code Design and Stamp
• Carbon Steel, Stainless Steel or Special Alloy Construction
• Operating Pressure from 50 to 2200 PSI
• Automatic or Manual Backwash
• Industry Standard Programmable Logic Control Systems
• Permanent Reusable Filter Media
• 1600 to 20 Micron Filtration
• Rugged, Low Maintenance Design

STANDARD CONSTRUCTION
The 4000 Series filtration system is a self-contained, fully-assembled filter consisting of individual filter tubes with elements manifolded in parallel to common inlet, outlet and drain headers for either internal or external backwash. Pressurized fluid, from the outlet header or introduced through a connected backwash supply header, flows in reverse through the individual filter elements, carrying the collected contaminants to the drain. These filters are designed for up to ANSI Class 900 pressures and temperatures and feature carbon steel construction as standard. The inlet and outlet headers come in 4, 6, 8 and 10 inch pipe sizes to handle specific flow rate requirements.

AUTOMATIC BACKWASH
The ProGuard Series 4000 Filtration System features a maintenance free, programmable logic controller (PLC). The PLC allows backwash at a predetermined time or differential pressure. The PLC can also be interfaced from one filter bank to the next in large systems so that only one start signal is required to clean the whole system. The flexibility of a PLC allows for additional process monitoring functions not available with conventional electrical or pneumatic control systems. The backwash cycle is always accomplished with the system on-line, allowing continuous operating during cleaning and maintenance.

FILTER ELEMENT
The 4000 Series filter element is a 316L Stainless Steel profile wire screen. The wire screen is suspended inside the filter body and is available in a variety of multi-cluster configurations, ranging from 3.5 ft square to 22 ft square of surface area per filter element. These multi-cluster configurations vary by the diameter of filter vessels as well as the diameter and length of the individual filter stalks that make up the multi-cluster element. 

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Download the 4000 Series Data Sheet Pdf (504 KB)

 

 

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