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Iraq Hubs: Erbil • Baghdad • Basra
CATEGORY LINE #704 5 Master B2B Products Division 01: Water & Wastewater

Wide-Tolerance Couplings & Restraint Adapters

Ductile iron wide-tolerance mechanical pipe couplings, stepped universal transition adapters, and tensile restraint flange couplings compliant with EN 14525 standards. Engineered to connect dissimilar pipe materials (Ductile Iron, Steel, HDPE, uPVC, and Asbestos Cement) across diameters DN50 to DN1200 at PN10/PN16/PN25 without pipe end preparation.

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Master B2B Product Specifications in Wide-Tolerance Couplings & Restraint Adapters

Review complete operational envelopes, engineering standards, and pre-staged inventory models ready for procurement across Iraq.

IND-PRD-000137 Active Staging Line

Wide-Tolerance Universal Straight Couplings (DN50–DN1200 | Connecting Ductile, Steel, HDPE & PVC, EN 14525)

⚡ DN50–DN1200 | Connecting Ductile, Steel, HDPE & PVC, EN 14525
Extra-wide outer diameter tolerance (up to 43mm tolerance per size) connecting dissimilar pipes.
Universal compatibility: joins Ductile Iron, Carbon Steel, Cast Iron, uPVC, AC, and HDPE pipes.
Full compliance with European Standard EN 14525 and WRAS drinking water hygiene approval.
Technical Datasheet →
IND-PRD-000138 Active Staging Line

Self-Anchoring Metal-Grip Restraint Flange Adaptors for PE & PVC Pipes (DN50–DN600, PN16, End-Load Restrained)

⚡ DN50–DN600, PN16, End-Load Restrained
Full end-load tensile restraint eliminating concrete thrust blocks on PE and PVC pipelines.
Hardened metal gripper teeth delivering self-anchoring lock proportional to internal pressure.
Companion flange drilled to EN 1092-2 PN10/PN16 for direct connection to valves and pumps.
Technical Datasheet →
IND-PRD-000139 Active Staging Line

Stepped Universal Transition Couplings for Differing Outer Diameters (DN50–DN1000, PN16)

⚡ DN50–DN1000, PN16
Asymmetrical stepped center sleeve joining pipes with large outside diameter mismatches.
Ideal for connecting legacy thick-wall Asbestos Cement (AC) pipes to modern Ductile Iron & Steel.
Independent gasket compression on each end accommodating up to 4° angular misalignment.
Technical Datasheet →
IND-PRD-000140 Active Staging Line

Heavy Fabricated Steel Bellows & Dismantling Expansion Joints (DN200–DN2200, PN10–PN40)

⚡ DN200–DN2200, PN10–PN40
Three-flange telescopic design providing up to 100mm axial adjustment for valve replacement.
Multi-ply AISI 316L stainless steel bellows absorbing continuous thermal expansion and pump vibration.
Heavy fabricated carbon steel construction (ASTM A516 Gr 70) rated for high pressure up to PN40.
Technical Datasheet →
IND-PRD-000141 Active Staging Line

Ductile Iron High-Pressure Tapped Split Sleeves for Live Pipeline Under-Pressure Tapping (DN80–DN600, PN16)

⚡ DN80–DN600, PN16
Enables live hot-tap branch drilling under full working pressure without pipeline shutdown.
Heavy ductile iron casting (EN-GJS-500-7) with integral reinforced flanged branch outlet.
Full-circumference or heavy port EPDM gasket providing 16 Bar hydrostatic seal.
Technical Datasheet →
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