The Flexible Hose model no. EV01077 is available in the KF size 40 having dimensions 55,750 respectively.The Flexible Hose Couplings (also known as Flexible Bellows) are manufactured in 304 stainless steel material.
The product assemblies contains two flanges, a center-ring and an aluminum Clamp. Clamps are assembled with wing nuts for effective over time use without tools.A constant supply of pressure on the clamp generates a vacuum seal. The mating flange surfaces compress the O-Ring, which is fixed in place by a metal centering ring, to produce the vacuum seal.