John Mills KM39767, BS7291 manual Plumbing Spare Parts, System Connections

PIPE AND PIPE ACCESSORIES

RELEASE AID

PART NO. SIZE MM

10RA10

15RA15

22RA22

28RA28

Allows a firmer grip on the collet when removing pipe.

COLD FORMING BEND

PART NO. SIZE MM

10CFB10

15CFB15

22CFB22

10mm

15mm and 22mm

To help create a tighter bend than the minimum with unsupported pipe.

BENDING SPRING

PART NO. SIZE MM

JG-BS1010

JG-BS1515

JG-BS2222

PIPE CUTTER

PART NO.

JG-TS

For up to 22mm size pipe.

PIPE CLIPS AND SPACERS

PART NO.	SIZE MM
PC15W	15
PC22W	22
PC28W	28

PCSW

NAIL CLIP

PART NO. SIZE MM

NPC1010

NPC1515

NPC2222

NPC2828

FOIL TAPE

PART NO.	SIZE MM X M
JGTAPE	50 x 45

Metallic tape to meet NHBC requirements for plastic pipe to be detected inside walls.

PLUMBING SPARE PARTS

COLLETS

	For Standard Fittings
		PXC 10	10
		PART NO.	SIZE MM
		PXC 15	15
		SPF 22	22
		PXC 28	28
For Twist and Locks Fittings		PXC 10	10
		PXC 15	15
		PXC 22	22
		PXC 28	28

EPDM ‘O’ RING

PART NO.	SIZE MM
10 EPR	10
15 EPR	15
22 EPR	22
28 EPR	28

SYSTEM CONNECTIONS

CONNECTION TO COMPRESSION FITTING

Many but not all compression fittings are suitable for use with plastic fittings and pipe. Users should therefore check for compatibility. Compression fittings with short tube stop depth or brass olives should not be used with plastic fittings or pipe.

When using compression fittings with Speedfit Pipe, a Standard Pipe Insert (prefix TSM) must be used to withstand the compressive pressure of the olive. The olive must be located within the the length of the pipe insert and the pipe fully inserted into the fitting. The connection should not need more than 2 full turns after the olive has gripped the pipe. JG Speedfit recommend the use of soft copper olives.

Ensure nut and olive are in place before inserting pipe insert.

Compression fitting Standard Pipe insert

Olive Speedfit Pipe

CONNECTION TO IMPERIAL PIPE AND FITTINGS

The Speedfit Range includes couplers to connect Speedfit Pipe to 1/2” to 1” BSP and BSPT. See page 12.

Fittings to connect imperial pipe to metric pipe are shown on page 10.

CONNECTION TO CHROME-PLATED COPPER PIPE

Speedfit fittings can be connected onto chromium plated copper pipe if the chromium plating is completely removed to the full depth of the fitting. To ensure maximum grip, the fitting of a collet clip is recommended. It is not possible to connect Speedfit fittings to Stainless Steel Pipe.

Collet clip

CONNECTION TO MAINS SUPPLY

In modern properties, water enters a building usually in blue MDPE (medium density polyethylene) pipe. In order to comply with Water Regulation Schedule 2.10, the internal plumbing system should be connected via a Speedfit Stop Valve (Part Nos. 15STV and 22STV) in conjunction with a PE-Copper Coupler from the Speedfit range of Underground Fittings.

CONNECTION TO RING MAINS

Water-replenishing ring mains are typically used in hotels and hospitals. They are maintained at a constant high temperature to supply hot water to distribution pipes to wards or hotel rooms which may be some way from the heat source.

These systems are very different from more conventional domestic hot water and central heating systems.

Speedfit Products cannot be used on ring main systems. The exception would be those systems designed for domestic situations which have an intermittent temperature of less than a maximum of 65ºC. This is in accordance with BS7291 Parts 1 and 3 Class S.

CONNECTION TO BOILERS

Speedfit pipe should never be connected directly to a boiler.

Although most modern boilers have a high limit thermostat, residual heat can be conducted by the heat exchanger. Therefore, Speedfit recommend a minimum of 1 metre from the boiler casing should be run in copper pipe unless otherwise stated in the boiler manufacturers installation literature.

A gravity primary circuit operating on an uncontrolled cooking range or solid fuel boiler should be run entirely in copper and the heating circuit run in copper for the first metre.

Refer to BS 5955: Part 8 for further clarification.

All appliances should have safety devices to make sure they cannot operate above the working temperature and pressure range set out in our Technical Checklist on page

29.If safety devices are not incorporated within the appliance then external controls will be needed.

Water meters (and other devices) can contain check valves that prevent the expansion of heated water back down the main supply from a combi boiler. If plastic pipe is to be used, a suitable expansion vessel must be fitted. This is especially important to consider if a water meter is fitted retrospectively. Speedfit do not recommend the use of plastic pipe on the main supply between a water meter and a combi boiler if an expansion vessel is not fitted.

Speedfit Products should not be fitted to a sealed system oil boiler, back fired boiler or other uncontrolled heat source.

Please also see Drop-Pipe Systems on page 17 and System Commissioning and Flushing on page 21.

CONNECTING TO OTHER PLUMBING FIXTURES

As shown in the Product Range List, the Speedfit range of fittings includes valves, taps, adaptors and connectors for the plumbing of all typical domestic appliances and fittings.

CONNECTION TO CYLINDER & WATER HEATERS

Speedfit can be used on sealed and open vented heating systems, where boilers are either heating a hot water

HEAVY DUTY PIPE CUTTER THREAD WASHER

Speedfit Pipe

with Superseal Pipe Insert

Connection of Speedfit pipe to supply pipe of other

storage cylinder or instantaneous hot water such as a combination boiler. The temperature and pressure limits

PART NO.

JG HDC

BLADE-JGHDC

For up to 28mm size pipe.

15

PART NO.	SIZE
1/2 EPW	1/2
3/4 EPW	3/4

For use with Female Coupler/Tap Connector.

Stop valve Copper pipe

PE copper coupler MDPE pipe with Pipe Insert

materials should be via a stop tap with a 15mm or 22mm compression outlet.

of the system must not exceed the maximum values stated under the heading ‘Working Temperatures and Pressures’.

When using a traditional copper vented cylinder Speedfit pipe and fittings can be installed with direct connections to the cylinder.

16