Everything ESTN supplies is bought, inspected and delivered to the same standard — from Ring Lock scaffolding to certified industrial valves. Supplied to specification, quoted per project.
The full system behind our largest project supply — designed to your project, manufactured to BS / EN / JIS standards, and delivered as a complete package.
Aluminium and steel formwork, designed and supplied to each project.
Structural test data for ESTN Ring Lock, and specifications for our BS / EN / JIS tube & clamp — the figures a QS or structural engineer needs to design with confidence.
| Standard (vertical post) | Safe Working Load | Breaking Load |
|---|---|---|
| Standard — 1.0 m lift | 72 kN | 182 kN |
| Standard — 1.5 m lift | 56 kN | 140 kN |
| Standard — 2.0 m lift | 39 kN | 97 kN |
| Adjustable Base Jack / U-head | 45–65 kN | 190 kN |
| Ledger span | Central Point Load | Uniformly Distributed Load |
|---|---|---|
| 0.6 m | 7.43 kN | 22.07 kN |
| 0.9 m | 5.21 kN | 10.44 kN |
| 1.2 m | 4.17 kN | 6.54 kN |
| 1.5 m | 3.77 kN | 5.26 kN |
| 1.8 m | 2.96 kN | 3.12 kN |
| 2.5 m | 2.42 kN | 2.06 kN |
| Tube & Clamp | Standard | Specification |
|---|---|---|
| Scaffold Tube — Type 1 | BS EN39 / BS1139 | Ø48.3 × 4.0 mm · S235 · hot-dip galvanised |
| Scaffold Tube — Type 2 | BS1139 / EN10219 | Ø48.3 × 3.2 mm · S235 · hot-dip galvanised |
| Scaffold Tube — JIS | JIS G3444 | Ø48.6 × 2.4 mm · STK500 · hot-dip galvanised |
| Drop-Forged Couplers | EN74-1 / BS1139 | Min. slip load 12.5 kN · distortion load 17 kN |
| Metal Board | — | Concentrated load 46.05 kN · UDL 33.32 kN/m |
Junction permissible axial force ±31.8 kN (63.6 kN breaking); permissible bending moment ±91 kN·cm. Couplers, tubes, ladder beams, jack bases and props are approved under SGS, TÜV and Lloyd's. Full structural test data and load tables available on request.
As FlowValve's regional representative, ESTN supplies a full range of industrial valves and actuators for water, energy and process infrastructure — to ANSI, DIN, BS and GB standards.
FlowValve manufacturing is certified to ISO 9001, ISO 14001, ISO 45001 and WRAS.
Steel and iron piping and heavy iron castings, sourced to your project's standard.
All supplied to project specification against BS, EN, JIS, ASTM, ANSI and GB standards. No online pricing — every enquiry is scoped and quoted by our team.
Send your specification and we'll scope a quotation — directly from our Singapore HQ.
