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Coupler PP Comp, HDPE 110mmxflng 4"O/ND-P
Coupler PP Comp, HDPE 110mmxflng 4"O/ND-P (Product Code: SLE/WDF/13) is a polypropylene flanged coupling used to connect a 110 mm HDPE water pipe to 4-inch flanged GI pipework, valves or fittings. One end grips the HDPE pipe with a compression joint and the other is a flange, and the coupler is rated for 10 bar at 20°C, so pump-house and valve-chamber installers can move between plastic and metal lines. It is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Fitting type | Flanged coupling: compression end for HDPE pipe, flanged end for G.I. pipes or fittings |
| Outside/nominal diameters | 110 mm (HDPE) x 4" (GI) |
| Material | Reinforced, high-impact-strength polypropylene, UV stabilised |
| Pressure rating | 10 bar at 20°C |
| Temperature range | 0 to 50°C |
| Product code | SLE/WDF/13 |
| Supplied by | Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India |
What Is the HDPE-to-Flange Compression Coupler Used For?
Many water networks run in HDPE underground but meet metal at pump houses, storage tanks, meters and valve chambers, where equipment usually has flanged connections. The Coupler PP Comp, HDPE 110mmxflng 4"O/ND-P bridges that change: the 110 mm HDPE pipe is pushed into the compression end and locked by tightening the nut, while the flanged end bolts to a 4" GI flange or flanged fitting.
Because the joint is mechanical, it can be made without fusion-welding equipment, and the flanged side can later be unbolted for maintenance. Cut the HDPE pipe square, chamfer and clean the end, mark the insertion depth, and tighten the compression nut firmly. On the flange side, use a suitable gasket and tighten the bolts evenly in a cross pattern so the plastic flange is not distorted.
What to Specify When Ordering
- The drilling pattern of the mating 4" GI flange or equipment, so compatibility can be checked.
- Whether bolts, nuts and a gasket are needed with the coupler.
- The quantity, one per HDPE-to-flange connection.
- Operating pressure and temperature, which should stay within 10 bar at 20°C and 0 to 50°C.
Supplier
The coupler is supplied by ScienceLab, the trading name of Jain Scientific Equipments Private Limited of Ambala, Haryana. Better known as a lab equipment exporter, the company also sources HDPE, PVC and GI fittings for water, sanitation and hygiene projects. Institutional and tender buyers who need vendor details for registration can use GSTIN 06AAECJ8618A1ZT and LEI 3358004HRD1JIVXKYX49. Further information is on the company profile.
Related Water, Sanitation & Hygiene Supplies
Other transition and HDPE fittings for the same connection point:
- Adaptor PP Comp, HDPE 110mmxmthd GI. 4"O/ND-P — the threaded alternative when the GI side has a 4" socket instead of a flange.
- Elbow PP Comp, HDPE 110mmxfthd 4" O/ND-P — combines the HDPE-to-GI change-over with a right-angle turn.
- Coupler PVC Socket Solvent Cement Joint Flange, 110mm x 4" — the equivalent flanged coupler for uPVC pipe.
- Coupler Reducing PP Comp, HDPE 110x90mm OD-P — steps the HDPE line down to 90 mm elsewhere on the network.
See all items in the Water, Sanitation & Hygiene Supplies category.
Frequently Asked Questions
What does the Coupler PP Comp, HDPE 110mmxflng 4"O/ND-P connect?
The Coupler PP Comp, HDPE 110mmxflng 4"O/ND-P connects a 110 mm outside-diameter HDPE pipe to 4-inch nominal diameter flanged GI pipe or fittings. The HDPE side uses a compression joint and the other side is a flange.
Is welding needed to install the coupler?
No fusion welding is needed for the Coupler PP Comp, HDPE 110mmxflng 4"O/ND-P. The HDPE pipe is inserted into the compression end and the nut is tightened, while the flanged end is bolted to the mating flange with a gasket.
What pressure and temperature is the coupler rated for?
The Coupler PP Comp, HDPE 110mmxflng 4"O/ND-P is rated for 10 bar at 20°C, with a suitable temperature range of 0 to 50°C. Keep pump delivery and test pressures within this rating, allowing a margin in warm conditions.
Are bolts and a gasket included?
The product details for the Coupler PP Comp, HDPE 110mmxflng 4"O/ND-P do not state that bolts or a gasket are included. Please ask through the contact page, giving your flange details, and we will confirm what the quotation covers.
Who supplies the Coupler PP Comp, HDPE 110mmxflng 4"O/ND-P?
ScienceLab, the trading name of Jain Scientific Equipments Pvt Ltd in Ambala, Haryana, supplies the Coupler PP Comp, HDPE 110mmxflng 4"O/ND-P. It sources the fitting for water-network and institutional projects in India and international markets.
Is the coupler suitable for exposed locations?
The Coupler PP Comp, HDPE 110mmxflng 4"O/ND-P is made of reinforced, high-impact-strength polypropylene that is UV stabilised, which helps it tolerate sunlight in open valve chambers or pump yards. Keep it within the stated 0 to 50°C temperature range.
Request a Quote
For a price on the Coupler PP Comp, HDPE 110mmxflng 4"O/ND-P, send the quantity, your flange details and the delivery location through the contact page, or add it to the enquiry cart with the rest of the HDPE and GI fittings for the job.
Last updated: 24 September 2026
