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WTPS · South Korea

WTPS Expansion and Contraction Pipe Joint — Standard Type

Ductile Iron / Cast Steel / Stainless Steel SUS304 with EPDM Gasket

Straight and gently curved water supply mainsHigh rise commercial riser piping thermal compensationUnderground municipal water distribution networksHVAC Chiller system vibration isolation

Quick facts

Country of origin
South Korea
Size
DN50 (2 inch), DN80 (3 inch), DN100 (4 inch), DN150 (6 inch), DN200 (8 inch), DN250 (10 inch), DN300 (12 inch), DN400 ~ DN600
Thickness
Flange Rating: PN16 / PN25 / PN40
Finish
Fusion Bonded Epoxy (FBE) Anti-Corrosion Coating (Internal & External), Stainless Steel Mirror / Passivated Finish
MOQ
1 Unit
Lead time
3 - 5 Weeks
Warranty
5 Years Project Warranty / 30 Years Design Life

Commercial

Project-ready details

Information your specification, BOQ and procurement teams need before requesting samples or quotations.

MaterialDuctile Iron / Cast Steel / Stainless Steel SUS304 with EPDM Gasket
SizeDN50 (2 inch), DN80 (3 inch), DN100 (4 inch), DN150 (6 inch), DN200 (8 inch), DN250 (10 inch), DN300 (12 inch), DN400 ~ DN600
ThicknessFlange Rating: PN16 / PN25 / PN40
FinishFusion Bonded Epoxy (FBE) Anti-Corrosion Coating (Internal & External), Stainless Steel Mirror / Passivated Finish
CertificatesISO 9001:2015, ISO 14001:2015, PPS Korea Innovative Prototype, Korea Materials & Parts Specialty Certificate
MOQ1 Unit
Lead time3 - 5 Weeks
Price rangeOn project specification
Country of originSouth Korea
Warranty5 Years Project Warranty / 30 Years Design Life

Technical

nominal diameter rangeDN50 to DN600 (2" to 24")
working pressure rating1.6 MPa to 4.0 MPa (PN16 - PN40)
angular deflection degrees±15° dynamic multi-directional ball rotation
axial expansion stroke mm50mm ~ 120mm standard displacement
operating temperature c-20°C to +110°C
leak tightness test pressure1.5x nominal working pressure (Hydrostatic test)

Technical Documents

Specifications, certificates, installation & maintenance

Catalogue

WTPS Expansion & Contraction Pipe Joint Master Catalogue

EN · v2026 · 21.1 MB · 28 thg 8, 2026

Need a quotation, sample or technical clarification?

Send an RFQ with BOQ, drawings or images. The HIASHI coordinator team handles material expertise, samples, quotation, alternative materials and project follow-up.