Band Clamp

Quick clamps such as the Band Clamp are the commonly preferred method for fastening ISO flange connections due to the fact that they offer the fastest and easiest fastening method for creating a reliable ISO vacuum seal.


  • High Vacuum Rated to 1×10-8 Torr
  • Compatible with all ISO standard vacuum flanges and fittings


  • Body: Stainless steel
  • Hardware (pins, studs and hinges): Stainless steel

Product Notes

  • Fastens large size ISO-QF flanges with elastomer seals

*Dimensions are in inches unless otherwise specified

Part IDReference NumberA B Tube Size 3D CADDrawingUnit PriceIn StockQty, Add To Cart
Part ID4040008Reference NumberQF63-BCA 3.9B 0.93Tube Size 2.53D CADLoginDrawingLoginUnit Price$22.6851
Part ID4040009Reference NumberQF80-BCA 4.75B 0.93Tube Size 33D CADLoginDrawingLoginUnit PriceRequest a Quote41
Part ID4040010Reference NumberQF100-BCA 5.38B 0.93Tube Size 43D CADLoginDrawingLoginUnit Price$31.0849
Part ID4040011Reference NumberQF160-BCA 7.25B 0.93Tube Size 63D CADLoginDrawingLoginUnit Price$35.2812
Part ID4040012Reference NumberQF200-BCA 9.56B 0.93Tube Size 83D CADLoginDrawingLoginUnit Price$39.4819