2026-09-24
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Packing Specifications and Common Models Guide

Packing Specifications and Common Models Guide

Braided packing seals valve stems, pump shafts and agitators. Square sections from 3x3mm to 50x50mm (6×6 to 25×25 common), aramid/PTFE/graphite/carbon/hemp materials, -200C to +600C, up to 35MPa.

Key Specifications

Item Parameter
截面Specification 3×3、4×4、5×5、6×6、8×8、10×10、12×12、14×14、16×16、20×20、25×25mm 等
常用Specification 6×6、8×8、10×10、12×12、16×16、20×20mm
Suitable温度 -200℃ ~ +600℃(按Material,石墨类最高约 450~600℃)
Suitable压力 旋转泵约 3~25MPa,往复泵约 10MPa,阀门约 20~35MPa(按Material)
线速度 0~15 m/s(按Material)
pH 范围 2~13(碳纤维可达 1~14)

Applications

  • Centrifugal and reciprocating pump shafts
  • Gate, globe and ball valve stems
  • Reactor and mixer shaft seals
  • Marine stern tube sealing
  • Steam and hot oil line valves

For quotations, samples or custom cutting of Packing, contact Maosheng Sealing Materials (Hejian, China): WhatsApp +86 185 0317 3007, email 2072321766@qq.com. See the Packing product page for details.

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