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Ideal for threaded end terminations on plain-ended pipe, this fitting offers simple, reliable installation using a single spanner and one bolt size across the range.
Pressure Ratings
Water
Waste Water
DN40 to DN50 = 16 Bar
Gas
DN40 to DN50 = 6 Bar
Compatible Pipe Materials
MaxiThread
Caveat 1
Suitable for: Ductile Iron, Steel, Coated Steel, Stainless Steel, Cast Iron, Asbestos Cement, GRP, Concrete, PVC-U
Caveat 2
There are restrictions on the minimum thickness of the stainless steel, PVC-U and GRP pipes for them to work with Viking Johnson flexible couplings. Consult Viking Johnson for further guidance
Caveat 3
While Viking Johnson has tested and approved the use of MaxiFit on gas, please verify that the network owner sanctions the use of the fitting for your intended application
Caveat 4
While Viking Johnson has tested and approved the use of MaxiFit on gas, please verify that the network owner sanctions the use of the fitting for your intended application.
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MaxiThread
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A Threaded Pipe Transition
Connects to Threaded Pipe
The MaxiThread is designed to provide a connection between plain-ended and threaded pipes.
Pressure Performance
MaxiThread is tested to 29 bar (water), validating the working pressure of 16 bar (water) and 6 bar (gas), to ensure consistent sealing performance.
Quality & Compliance
Manufactured under BS EN ISO 9001, the range meets BS EN 14525 performance requirements.
Why Choose MaxiThread
- Rilsan coating – Provides exceptional protection against corrosion, impact, abrasion, and chemicals.
- 50 year design life – Proven through accelerated ageing at 80°C under pressure for 1000 hours.
- Over torque tested – Can withstand 1.5 × maximum recommended torque without failure.
Connects to Threaded Pipe
The MaxiThread threaded end cap is designed to provide a connection between plain-ended and threaded pipe. Outlets are available with 1”, 1.25” and 1.5” BSP threads. It is constructed with a MaxiFit coupling body with one standard end ring and one threaded end ring.
Optimised Gasket Design
A unique gasket with distinctive circumferential ribs provides a ‘slide easy’ fit for maximum sealing on scored, corroded or pitted pipe.
Excellent Corrosion & Damage Resistance
Coated in black Rilsan Nylon 11 which is WRAS listed and has excellent resistance to impact, abrasion, weathering and chemicals. It also has good thermal stability and flexibility to accommodate for rough site handling.