Rizhao Xinwei Machinery Parts Co., Ltd.

PRODUCT FAMILY

Sealing rings

Round-section rings, large perimeters, special profiles and coordinated seal sets for different joint and service tasks.

custom o rings — product illustration
Product visualization · Design and specification are confirmed for each project.

Choose a ring family from the actual interface: a defined O-ring gland, a large sealing perimeter, a non-round section or a set of seals that must be controlled together. Dimensions alone do not establish sealing performance.

Selection notes

  • For an existing gland, provide the mating drawing and tolerances rather than only a worn ring.
  • For a large perimeter, define how the ring is located, installed and inspected.
  • For a seal kit, identify every position and its revision separately.

Project families

SERIES IN THIS FAMILY

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rubber seal kits — product illustration
01
Sealing rings

Rubber Seal Kits

Coordinated sets of rubber seals for an identified assembly or service operation, with each item controlled by position and revision.

Kit BOM
Item reference, drawing revision and quantity per kit
Part identity
Size/profile and compound requirement for every line item
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custom profile seals — product illustration
02
Sealing rings

Custom-Profile Seals

Non-round sealing sections for retained grooves, lips or special contact surfaces that cannot be described as a standard O-ring.

Section drawing
Fully dimensioned cross-section in mm with functional surfaces marked
Outline
Closed-loop route, diameter or overall contour in mm
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large diameter sealing rings — product illustration
03
Sealing rings

Large-Diameter Sealing Rings

Sealing-ring projects for large covers and circumferences where handling, perimeter control and installation space need particular attention.

Perimeter definition
Nominal ID/OD or centerline route in mm; identify the controlling dimension
Section
Cross-section geometry and dimensions in mm
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custom o rings — product illustration
04
Sealing rings

Custom O-Rings

Round-section sealing rings for defined glands, with size, compound and acceptance criteria agreed for the actual joint.

Ring size
Inner diameter × cross-section in mm, or named inch size standard and edition
Gland
Groove dimensions, mating diameters and clearance in mm
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KNOWLEDGE & SELECTION

Engineering reading

Knowledge center
How to Specify Large-Diameter Sealing Rings for Global Supply — AI-generated editorial illustration; not an actual product photograph or certification.

Knowledge

How to Specify Large-Diameter Sealing Rings for Global Supply

For large-diameter sealing rings, a circumference alone is not enough for a reliable quotation. Buyers should define the controlling perimeter, cross-section, measurement state, joint policy, installation access, operating exposure and acceptance method before tooling. This checklist helps procurement and engineering teams prepare an inquiry without assuming seamless construction, pressure capability or material approval.

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YOUR NEXT COMPONENT

Start with the application.
Define the part together.

Share your drawing or sample, working conditions, quantity and acceptance requirements with our team.

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