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MSS SP 155

Plastic-Lined Metal Valves

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Organization: MSS
Publication Date: 1 January 2018
Status: active
Page Count: 18
scope:

This Standard Practice covers factory-made plastic-lined metal valves intended primarily for conveying corrosive fluids. Requirements for materials, workmanship, dimensions, design, fabrication, working pressure and temperatures, test methods, qualification requirements, and markings are included within this Standard Practice.

This Standard Practice does not define the suitability of different liner materials to various chemical and operating environments. Refer to the manufacturer's chemical resistance data for suitability recommendations.

This Standard Practice applies to ball, check, plug, butterfly, and similar quarter-turn valves. It does not apply to diaphragm or plastic-lined knife gate valves.

This Standard Practice covers plastic-lined valves with preferred liner materials as listed in Table 1.

This Standard Practice does not include urethane and polyurethane liner materials, which are typically applied for abrasion resistance.

Document History

MSS SP 155
January 1, 2018
Plastic-Lined Metal Valves
This Standard Practice covers factory-made plastic-lined metal valves intended primarily for conveying corrosive fluids. Requirements for materials, workmanship, dimensions, design, fabrication,...

References

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