DN25PN16 spiral wound gasket size?

Spiral wound flange gasket spiral wound gasket size DN25 PN16 is the chemical standard D-type: 34 * 40 * 52 * 71mm 1, metal spiral wound gasket flange defined metal spiral wound gasket flange is made of metal belt and non-metallic composites with spiral winding made of a semi-metal flat gasket. 2, metal spiral wound flange gasket performance: ① compression, resilient performance, with multi-channel sealing and certain self-tightening function; ② less sensitive to the flange sealing surface pressing surface defects, bonding method Portland sealing surface, easy to pair, therefore more convenient removable metal spiral wound gasket flange; ③ metal spiral wound gasket flange partially eliminate stress, temperature change and mechanical vibration; ④ metal wound law Portland gasket can at high temperature, low temperature, high vacuum, shock and vibration cycle alternating harsh conditions, to maintain its excellent sealing performance. http://www.feiyujd.com DN25 PN16 spiral wound gasket dimensions are chemical standard D-type: 34 * 40 * 52 * 71mm