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Non-standard Flanges

Filter Quick Opening Flange Cover

  • Quick Opening: No tools required, rapid opening and closing of flange cover
  • Easy Operation: Humanized design with simple operation and low labor intensity
  • Good Sealing Performance: Uses high-quality sealing materials with excellent sealing performance
  • Safe and Reliable: Safety locking mechanism ensuring operational safety
  • High Maintenance Efficiency: Quick opening significantly improves maintenance efficiency
  • Excellent Material: Manufactured using high-quality stainless steel or carbon steel materials
Download Spec

Filter Quick Opening Flange Cover is a specially designed quick-opening flange cover for filter equipment, featuring a special quick-opening mechanism that allows rapid opening and closing of the flange cover without tools. The product is widely used in various filter equipment such as bag filters, basket filters, cartridge filters, etc., for periodically replacing filter media or cleaning filter equipment. The quick opening flange cover features simple operation, rapid opening, and good sealing performance, significantly improving filter maintenance efficiency. The product typically adopts clamp-type, quick-opening handle or lever-type structural design to ensure rapid opening function while maintaining good sealing performance. The flange cover material is usually stainless steel or carbon steel, with appropriate material and sealing material selected according to different operating conditions.

Technical Standards

Item Technical Standard
Material 304, 316L Stainless Steel, Carbon Steel
Pressure Rating 0.6-2.5 MPa
Cover Diameter DN50-DN800
Sealing Method O-ring Seal, Gasket Seal
Opening Method Clamp-type, Handle-type, Lever-type
Operating Temperature -20℃ to +120℃
Connection Type Flanged Connection
Design Standard GB/T 9113, ASME B16.5

Basic Models

Model Type Features
FQOC-100 100mm Quick Opening Flange Cover Small filter type, flexible operation
FQOC-200 200mm Quick Opening Flange Cover Medium filter type, high efficiency
FQOC-400 400mm Quick Opening Flange Cover Large filter type, batch processing
FQOC-600 600mm Quick Opening Flange Cover Ultra-large filter type, high automation

Main Components Material Table

No. Part Name Material
1 Flange Cover Body 304/316L Stainless Steel or Carbon Steel
2 Sealing Face Food-grade Silicone, EPDM, PTFE
3 Quick Opening Mechanism Stainless Steel, Carbon Steel
4 Clamp Stainless Steel Quick-connect Clamp
5 Sealing Gasket Flexible Graphite, Food-grade Silicone
6 Fasteners Stainless Steel Bolts, Nuts
7 Safety Latch Stainless Steel or Zinc Alloy
8 Handle Stainless Steel or Aluminum Alloy

No drawing available.