Since 2006, Bist Baspar Espadana has focused on advancing polymer piping solutions from its base in Mobarakeh Industrial Zone (Isfahan). With fully automated extrusion lines, high-capacity injection molding, advanced mechanical and chemical labs, and a wide network of polymer, metallurgy, and MEP engineers, the company has become a national reference for polymer pipes and fittings. Annual capacity—covering single- and three-layer PP-R pipes, five-layer composite pipes, plated threaded brass fittings, and PP-R fusion fittings—reaches tens of thousands of tons, with a significant share dedicated to exports to regional markets, especially Iraq, Armenia, and Central Asia.
Continuous innovation
In 2015, Bist Baspar launched production of five-layer PEX–AL–PEX pipes and glass-fiber three-layer PP-R to meet consulting engineers’ needs for underfloor heating and high-pressure piping. Locally engineered couplings feature CW617N brass cores and EPDM O-rings rated to 95 °C, delivering products that show a service life beyond 50 years at 10–20 bar in long-term hydrostatic testing. Next-gen UV- and AO-masterbatches further secure durability on open jobsites and in hot, arid climates.
Product portfolio
Single-layer PP-R pipes
- For hot and cold water up to 90 °C
- Nominal pressure PN10, PN16, PN20; diameters 20–160 mm
- Butt fusion and socket fusion using DIN-standard heaters
Three-layer glass-fiber PP-R
- Glass-fiber core cuts linear expansion to 0.03 mm/m·°C
- Lighter than equivalent metal pipe with no loss of strength
- Grey or green for easy site identification
Five-layer PEX–AL–PEX
- Longitudinal aluminum layer with laser weld and hot-melt adhesive blocks 100% oxygen ingress
- Cold-formable (bending radius = 5 D) without metal layer failure
- Free-chlorine resistance per ASTM F2023
Polymer & brass fittings
- Socket, compression, and press types; 304 stainless press rings; laser-marked for authenticity
- Precision CNC threads per ISO 228-1
- Nickel–chrome plating for protection in humid, chlorinated environments
Quality control & standards
Quality assurance runs MFI, DSC, OIT, instant burst, and chlorine-solvent tests. An online laser thickness gauge keeps wall uniformity within ±2% during production. Key certifications include:
| Domain | Standard code | Scope |
|---|---|---|
| Quality management | ISO 9001 | Design, manufacturing & after-sales of pipes and fittings |
| Environmental | ISO 14001 | Waste management and polymer scrap recycling |
| Occupational H&S | ISO 45001 | Safety of extrusion and injection operations |
| Product | DIN 8077/78; EN ISO 21003 | Dimensions, pressure & performance of PP-R and multilayer pipes |
Key applications
- Urban & rural potable water networks: smooth inner bore resists biofilm growth.
- Underfloor heating & radiators: controlled thermal conductivity, compatible with condensing boilers.
- Factory compressed air: no rust; lower pressure drop than metal piping.
- Transfer of mild chemicals in food industries: odourless, non-toxic, certified for drinking-water contact.
Technical & operational advantages
- Faster installation: low weight and fusion joints can cut on-site time by up to 40%.
- Energy efficiency: low thermal conductivity limits heat loss in hot-water loops.
- Corrosion-free durability: no scaling or rust; long service life in acidic/alkaline environments.
- Recyclability: polymer materials can be re-granulated, supporting a circular approach.
Support services
A 10-year unconditional replacement warranty applies to PP-R and multilayer pipes. Each batch ships with a technical passport including production-stage pressure-test results for easy traceability. The training network offers welding and installation courses for HVAC technicians, and field teams support projects on site before commissioning.
Authorized supply
The Tamambaha online store (Iran) is among the suppliers of Bist Baspar Espadana, offering original products, official invoicing, and free technical consultation, with rapid nationwide delivery.
