What should be confirmed before ordering?

Confirm size, connection, material, medium, pressure, temperature and installation conditions against the final project requirement.

Are the listed ratings applicable to every size?

No. Ratings and dimensions vary by model, size, material and end connection. Use the supplier drawing and final technical data for confirmation.

Can materials and dimensions be customized?

The catalog lists standard ranges. Material, connection and dimensions may be supplied to project requirements after technical confirmation.

Which documents can be requested?

Dimensional drawing, material information, inspection record and packing documentation can be requested with the order.

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Pipes Fittings & Flanges Expansion Joints

Expansion Joints

JZW Buried Corrugated Compensator

Buried corrugated compensator; DN50–DN250; PN0.25–PN2.5 MPa.

Quick Specifications

Type Buried corrugated compensator

Size DN50–DN250

Material Metal bellows with shell, guide sealing sleeve and duct tube

Pressure PN0.25–PN2.5 MPa

Connection Welded

Temperature −20 to 400 °C

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Product Overview

Buried bellows compensator with protective external shell. Key configuration must be confirmed against the actual medium, design pressure, design temperature, connection standard and installation conditions.

Parameter	Value
Model	JZW Buried
Product Family	Metal bellows compensator
Size Range	DN50–DN250
Pressure Rating	PN0.25–PN2.5 MPa
Body / Main Material	Metal bellows with shell, guide sealing sleeve and duct tube
End Connection	Welded
Temperature Range	−20 to 400 °C
Typical Application	Buried bellows compensator with protective external shell.
Ordering Notes	Confirm selected size, connection, material, pressure-temperature limit and required certification before order.
Catalog Reference	Catalog p. 47

JZW Buried Corrugated Compensator

Quick Specifications

Product Overview

Q: What should be confirmed before ordering?

Q: Are the listed ratings applicable to every size?

Q: Can materials and dimensions be customized?

Q: Which documents can be requested?

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