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Miniature Steam Pty Ltd

5270 - 4 inch Horizontal Model Boat/Marine Boiler

5270 - 4 inch Horizontal Model Boat/Marine Boiler

Regular price $1,089.00 NZD
Regular price Sale price $1,089.00 NZD
Sale Sold out
Tax included. Shipping calculated at checkout.

A 10% GST is included in these pages for Australian Customers. Prices for International Visitors are not taxed when accessing their own currency.

4" Horizontal Boiler: P/N 5270

- including Ceramic Burner, Safety Valve, Pressure Gauge & Boiler Test Certificate.

Overall Dimensions:

Total height 140 mm (5.51”)

Chimney height above barrel 110 mm  (4.33”)

Height to top of steam dome 150 mm (5.91”)
Total width 110 mm (4.33”)

Length including burner 205 mm (8.07”)

Length not including burner 150 mm (5.91)

Weight empty including burner 2.2 kg (77.6 oz)
Running time per fill @ 45 psi (approx) 20 min

Working pressure 45 psi (3 bar),
Test pressure 160 psi (11.05 bar)

Boiler fill (75% of space) 600.00ml approx.

Suitable for use with all “Miniature Steam” engines but necessary for maximum performance when powering “Miniature Steam” Mildura & Gem slide valve engines and steam plants using twin Clyde engines.

Generally suitable for any twin cylinder engine up to 19 mm bore including powering stationary steam engines (at scale speed) such as beam engines up to 1” bore x 2” stroke and horizontal mill engines up to 1-1/2” bore/ 1-1/2 stroke

Lagging Kit:
Each boiler is delivered with a wood lagging kit as shown plus fitting instructions

Materials Used

All "Miniature Steam” boilers are hand crafted from copper and copper alloys silver soldered together. Each boiler is hydraulically tested to more than twice its working pressure and comes complete with a test certificate. They have unique mounting systems that enables them to be mounted in any convenient location within the boat hull. The pressure gauge shown is standard for this boiler

 Design & Construction Standards:

“Miniature Steam”, boilers are built to the highest quality standards.
They comply. where appropriate, with the following design, construction and testing requirements of:
- Australian Standard AS 4343 Level E
Australian Miniature Boiler Safety Committee, (AMBSC) code part 3 Issue 1.0 - 2006 Sub-Miniature Boilers and AMBSC code part I . Issue 7 - 2001 
- UK Boiler Test Code 2018 – Volume 2 
Every aspect of the boilers has been carefully designed and rigorously tested to meet the highest possible steam generation performance. Each has been designed and manufactured by “Miniature Steam”, including the cast ceramic burner insert.



Shipping & Returns

You will receive notification when your order has been shipped, that will include the Tracking number for the parcel. Your access to tracking information may take 24 to 48 hours to provide any useful information.

Postage/freight costs are based on the weight of the package, calculated by an algorithm supplied and maintained by Australia Post, and will be displayed in the checkout procedure.

For Australian customers, GST is included in the product prices shown on the website and will be added to the postage at checkout.

Refunds, returns, and exchanges:

We do not normally engage in post-sale negotiations for refunds, returns and exchanges. You can read more about our warranty here.

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