TFL valves is one of the leading European manufacturer of valves for many different service and applications.

BRONZE FIXED ORIFICE DOUBLE REGULATING VALVE (PLBNFODRV25)

Provide precise and accurate flow measurements.
Integral square edged orifice plate and test points(3mm) fitted feature allows valve opening to be set within Allen key.
Build in measuring nipples(test points) for flow measurement based on kv methodology.
The double regulating wall with its integral fixed orifice.
Design offers an accuracy of ±5% on all settings for precise flow regulation and the measurement.
The female threaded ends allows for ease of installation.
Screw in Bonnet for service where in frequent maintenance is required.
Quickly and easily Installed using a press-fit tool.
Provide flow control at all settings.
Lead content of the Valve PB≤2% ensure suitability of the material for potable water applications.

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Category :

Plumbing Valves

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MATERIAL SPECIFICATION
OTHER DETAILS

Part No	Part Name	Material
1	BODY	PHOSPHOR BRONZE (BS:1400:PB2)
2	BONNET	DZR COPPER ALLOY: BS EN12165CW 602N
3	DISC	PHOSPHOR BRONZE (BS:1400:PB2)
4	STEM	DZR COPPER ALLOY: BS EN12165CW 602N
5	O-RING SEAL	RUBBER-EPDIM
6	ORIFICE INSERT	PHOSPHOR BRONZE (BS:1400:PB2)
7	TEST POINT	DZR COPPER ALLOY: BS EN 12165 CW 602N
8	HANDWHEEL	PLASTIC

INSTALLATION

Always install the valve with the arrow on the body in the same directions of flow. In order to avoid turbulence, which will affect the measuring accuracy, it is recommended to have a straight length of pipe up and down stream from the valve as shown (D-diameter of pipe)

PRESSURE / TEMPERATURE RATING

Pressure Rating	25 bar
Temperature	-10 to 130 °C

TEST PRESSURES

Shell	37.5 bar
Seat	27.5 bar

SPECIFICATION

Hand wheel operated with micrometre indication.
Y-Pattern globe type design.
Conforms to BS 73 50 for flow measurments and regulationed.
Y - pattern globe Having characteristics throttling disc with equal percentage.
Performance mounted on flow or return pipe.
Shutt-off function for service and repair.
End connection threaded to BS EN 10226 (ISO 7-1).
Design standard: BS EN12288: 2010 PN20.
Testing standard: BS EN 12266-2.

DIMENSIONS & WEIGHTS

Size	A	L	H	Weight (kg)
15 MM	1/2” BSP	82	54	0.34
20 MM	3/4” BSP	85	63	0.40
25 MM	1” BSP	101	63	0.58
32 MM	1-1/4” BSP	115	70	0.84
40 MM	1-1/2” BSP	126	80	1.05
50 MM	2" BSP	145	90	1.50