Please can you tell me if this reducing coupler will fit 50mm o/d down to 42mm o/d

Thanks for your enquiry. Yes - The larger end will fit rigid pipes with an Outer Diameter of 45mm-50mm and the smaller end will fit rigid pipes with an Outer Diameter of 38mm-42mm. We hope that helps!

Hello, Thanks for your enquiry. I'm unsure what you mean by a set, but both the Rubber Fitting and 2 x Stainless Steel Hose Clips (fitted to the Rubber Fitting) are included. I hope that helps!

Will this be suitable for use with diesel?

Can’t see why this would not be suitable with diesel. I don’t think the material would dissolve or deteriorate in diesel. My application was for a fish pond to connect pipes carrying sludge. It’s been working two years without trouble.

i ghave a 38mm pipe will this 40mm get good closure if add some sealant and screw tight ?

Thanks for your enquiry. The 40mm fitting is suitable for use with 38mm (1½” NB Imperial) pipe. You should not require any sealant with this if the clips are screwed tight.

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T-mex 50mm-40mm 09.0814 Flexible Adaptor, Black, 50 x 40m O.D & 1 ½” x 1 ¼” NB (48 x 42mm O.D)

T-mex 50mm-40mm 09.0814 Flexible Adaptor, Black, 50 x 40m O.D & 1 ½” x 1 ¼” NB (48 x 42mm O.D)

Product ID: 57523828

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Details

Size
50 x 40m O.D &
Material
EPDM Rubber
Brand
T-mex
Colour
Black
Item dimensions L x W x H
10 x 10 x 10
Connector type
Reducer

🔧50mm to 40mm pipe fit

⚙️Stainless steel worm-drive clips

🛡️EPDM rubber durability

Description

🔩 Connect with confidence — the flexible adaptor that means business!

BUILT TO LAST - EPDM elastomer ensures superior flexibility and long-term resistance to wear and tear.
SECURE RELIABLE - All-stainless steel worm-drive hose clips guarantee a tight, leak-proof seal every time.
PROFESSIONAL DIY READY - Trade-rated quality that meets the demands of pros and home innovators alike.
SEAMLESS PIPE CONNECTION - Effortlessly bridges 50mm and 40mm pipes for versatile plumbing solutions.
PRECISION FIT FOR ALL SYSTEMS - Designed to perfectly suit both imperial and metric pipe standards.

The T-mex 50mm-40mm Flexible Adaptor is a high-quality, durable plumbing fitting crafted from EPDM rubber and stainless steel. Engineered to connect pipes of different diameters seamlessly, it supports both imperial and metric systems and features robust worm-drive clips for a secure, leak-proof fit. Ideal for permanent or temporary installations, it’s the go-to choice for professionals and DIY enthusiasts seeking reliable, versatile pipe connections.

Specifications

Manufacturer	T-Mex
Part Number	6.4.50.40
Product Dimensions	10 x 10 x 10 cm; 153 g
Item model number	09.0814
Size	50 x 40m O.D & 1 ½” x 1 ¼” NB (48 x 42mm O.D)
Colour	Black
Finish	EPDM Rubber
Material	EPDM Rubber, Stainless Steel
Shape	Eccentric Reducer
Item Package Quantity	1
Number of Pieces	1
Included Components	T-mex Flexible Adaptor for 50mm-40mm Pipe
Batteries included?	No
Batteries Required?	No
Item Weight	153 g

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