Garlock FLEXSEAL RWI Spiral Wound Gasket for 4 inch ASME B16.5 Class 150 Flange, 304/304L Stainless Steel Winding, Flexible Graphite Filler, 304/304L Stainless Steel Outer Ring, 304/304L Stainless Steel Inner Ring | RWI-4-CLASS

RWI-4-CLASS 150-0.175-304-304/FG-304 3D3 Durable; easy installation and removal Seals pressures to flange ratings, in accordance with ASME B16.5 and B16.47 Suited to temperatures from cryogenic to 2000°F / 1093°C, depending on metal and filler Guide ring simplifies centering of sealing element on the flange face Custom-tailored solutions accommodate a variety of conditions by combining various metals and filler materials Suitable for raised face flanges up to class 2500# flanges Inners rings are provided standard for ASME B16.20 unless otherwise specified by the customer Inner ring can help shield sealing elements from erosion caused by abrasive media.