Pulp & Paper

Reduced downtime and increased efficiency are at the top of every manufacturer’s priority list, especially those in the Pulp & Paper industry. Also critical on that list are reducing water consumption and minimizing environmental impact in a cost-effective manner. The Sigma family of companies offers solutions for all of those challenges and more. These companies develop world-class sealing solutions to meet the demands of the critical equipment of the Pulp & Paper industry, including the static and rotary sealing of digesters and high-speed calendar rolls, bleachers and refiners. We offer durable, high-performance seals for virtually every critical area of the industry, from pumps and flanges to bleaching and chemical recovery. Sigma seals are virtually guaranteed to reduce your downtime and increase your production and resource efficiency.
  • Carbon Packing
  • Spiral Wound Gasket
  • Flexible Graphite
  • PTFE Gasket
  • Metallic Gasket
  • Graphite Packing
  • Heat Exchanger Gaskets
  • High Temp Gasket
  • Inorganic Fiber Rope
  • PTFE Packing
  • Rubber Expansion Joints
  • Valve Packing
  • PTFE Diaphragms
  • Premium Rubber
  • Pump Packing