Quality Inspection for Spiral Wound Gasket-CG for Latvia Manufacturers

Spiral wound gasket consists of “V-shape”(or”W-shape”)metal tape and nonmetal tape, which are overlapped each other and wound continuously.To fasten the metal tape,both its start point and end point are tack welded.

Feature

Wide Scope of acceptable working conditions. Can be used under high temperature, high pressure and ultra-low temperature or vacuum conditions. Change the combination of the gasket materials is to tackle the chemical corrosion problem of diverse media toward the gasket.

Not very rigid requirements to the surface precision of the flange. May be used to seal flanges with rough surface

Easy installation and handy use.

Excellent Sealability

Products Type

Technical Data Sheet

Application Area

The Spiral Wound Gaskets are mainly used in valves &pipes, pressure vessel, condenser, heat exchanger flanges in oil, chemical, metallurgy, vessel and mechanical industries.

Modular back-ups, MB profile, are specifically designed to compliment the PolyPak profiles. To help make the selection and ordering of the correct part number for the MB profile easy and efficient, the part numbering system used is very similar to that of the PolyPak. By formulating high modulus blends of Molythane (4617) and PolyMyte (4652), Parker has ensured that MB back-ups can be used with either type of base sealing material while maintaining the expected temperature range and fluid compatibility. The robust design ensures pressure ratings up to 10,000 psi are met.

Back-up rings are the most common anti-extrusion devices in dynamic sealing. They provide simple solutions to safely increase system pressure or solve an existing seal extrusion problem. Back-up rings function by positioning a more robust material adjacent to the extrusion gap, taking the seal’s place and providing a barrier against high pressures. Back-ups can be used to offset the reduced pressure rating effects of wear rings or to improve seal life at increased pressures. They can also be used to protect seals against pressure spikes, or to ensure seal performance at higher temperatures.