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Boiler Drain Valves

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Boiler drain valves are located at the bottom of the boiler and allow water & sediments to be drained out of the boiler to prevent damage or clogging of the system. They are ideal for the chemical, pharmaceutical, paint and cement industries.

WATTS -

Boiler Drain Shutoffs

WATTS BD5 1/2A
WATTS LFBD3F 1/2B
WATTS LFBD-QT 1/2C
WATTS BD-1C 1/2 FGDD
WATTS LFBD-1C 1/2E
WATTS BD4F 3/4F
WATTS BD6 3/4G
WATTS BD2 3/4H
WATTS LFBD-QT 3/4I
WATTS LFBD-2C 3/4J
StyleModelInlet SizeMax. Temp.Body MaterialInlet Thread TypeInlet TypeBody PatternMfr. SeriesOutlet SizePrice (inc. VAT)
ABD5 1/21/2"180° FBrassIPSMale ThreadedStraightBD3/4"£16.93
BLFBD3F 1/21/2"180° FBrassIPSFemale ThreadedAngleLFBD1/2"£22.95
BBD3F 1/21/2"180° FBrassIPSFemale ThreadedAngleBD3/4"£17.71
CLFBD-QT 1/21/2"250° FForged BrassNPTMale ThreadedAngleLFBD-QT1/2"£32.23
DBD-1C 1/2 FGD1/2"180° FBrassIPS-Angle--£26.33
RFQ
ELFBD-1C 1/21/2"180° FBrassIPSMale ThreadedAngleLFBD1/2"£17.49
ALFBD5 1/21/2"180° FBrassIPSMale ThreadedStraightLFBD1/2"£21.75
FBD4F 3/43/4"180 Degree FBrass-Female Threaded-BD3/4"£18.51
GBD6 3/43/4"180 Degree FBrass-Male Threaded-BD3/4"£14.50
HBD2 3/43/4"180 Degree FBrass-Male Threaded-BD3/4"£19.74
FLFBD4F 3/43/4"180 Degree FBrass-Female Threaded-LFBD3/4"£23.76
HLFBD2 3/43/4"180 Degree FBrass-Male Threaded-LFBD3/4"£25.78
ILFBD-QT 3/43/4"250 Degree FForged Brass-Male Threaded-LFBD-QT3/4"£37.85
JLFBD-2C 3/43/4"180 Degree FBrass-Male Threaded-LFBD3/4"£19.96
GLFBD6 3/43/4"180 Degree FBrass-Male Threaded-LFBD3/4"£18.94
APOLLO VALVES -

31-700 Series, Boiler Drain Valves

APOLLO VALVES 3170004PA
StyleModelPrice (inc. VAT)
A3170004P£41.27
A3170104P£41.27
A3170004£41.27
A3170013£42.99
A3170104£41.27
APOLLO VALVES -

31-600 Series, Boiler Drain Valves

APOLLO VALVES 3161204A
StyleModelPrice (inc. VAT)
A3161204£41.27
A3161104£41.27
A3161004£39.76
A3161202£47.67
A3161213£39.34
A3160904£39.76
A3160804£37.61
A3160813S£37.61
A3160713£34.70
A3160813£37.61
A3161013£38.68
A3160913£37.17
WATTS -

BD-QT Series, Boiler Drain Valve Mnpt Brass

WATTS BD-QT- 1/2A
WATTS BD-QT- 3/4B
StyleModelInlet SizePipe SizePrice (inc. VAT)
ABD-QT- 1/21/2"1/2"£24.69
BBD-QT- 3/43/4"3/4"£27.76
WEBSTONE -

Boiler Drain Valve

WEBSTONE 50674WA
StyleModelPipe SizePrice (inc. VAT)
A50674W1"£45.88
A50672W1/2"£26.97
A50673W3/4"£41.43
PRO-LINE -

Boiler Drain Valve Mpt

PRO-LINE 102-004NLA
StyleModelConnection TypePipe SizePrice (inc. VAT)
A102-004NLMPT x MPT3/4"£18.82
A102-003NLMPT x MPT Male Hose1/2"£16.78
APPROVED VENDOR -

Boiler Drain Valve Quarter Turn

APPROVED VENDOR GGS-2VRP7A
APPROVED VENDOR GGS-2VRP5B
APPROVED VENDOR 1APV6C
StyleModelConnection TypePipe SizePrice (inc. VAT)
AGGS-2VRP7Cup or MNPT x Hose1/2"£11.52
AGGS-2VRP8Cup or MNPT x Hose3/4"£11.72
BGGS-2VRP5FNPT x Hose1/2"£12.39
BGGS-2VRP6FNPT x Hose3/4"£13.06
C1APV6FNPT x MNPT3/4" x 1/2"£13.30
C1APV5MNPT x Solder Cup1/2"£15.14
APPROVED VENDOR -

Boiler Drain Valves

APPROVED VENDOR 1CNR9A
StyleModelPipe SizePrice (inc. VAT)
A1CNR91/2"£7.83
A1CNT13/4"£8.13
GRAINGER -

Boiler Drain Valves

GRAINGER 20273A
GRAINGER 20271B
StyleModelPrice (inc. VAT)
A20273£9.57
B20271£9.33
APOLLO VALVES -

Boiler Drain Valves

APOLLO VALVES 31LF20204A
StyleModelPrice (inc. VAT)
A31LF20204£43.49
A31LF50104£47.37
A31LF21204£44.56
SPEARS VALVES -

Boiler Drain Valve, Hub x MHT, 3/4 Size, CPVC

Boiler Drain Valve, Hub x MHT, 3/4 Size, CPVC
ModelItemPrice (inc. VAT)
BDC-0750-SAE6NRM£9.46

Boiler Drain Valves

Boiler drain valves, also known as drain cocks, are designed for use with boilers, water heaters and storage tanks to drain water from a plumbing or heating system. Raptor Supplies offer a wide range of these drain valves from brands like Watts, Proline and Webstone. These valves feature a full-flow design with a maximum pressure rating of 125 psi WOG. Boiler drain valves from Watts are ideal for use in hydronic heating systems and feature brass construction with 3/4 inch hose thread connection on the outlet. They are further equipped with an adjustable Teflon stem packing for providing positive shut-off and an aluminium quarter-turn tee handle for manual control. Choose from a wide variety of these drain valves available in brass, celcon(R), CPVC, forged brass and low-lead brass body materials, on Raptor Supplies.

Frequently Asked Questions

What is the difference between a boiler drain valve and a boiler blowdown valve?

A boiler drain valve releases water and sediments accumulated in the bottom of a steam boiler while the boiler blowdown valve, on the other hand, releases water containing high levels of dissolved solids.

How to avoid backflow?

Boiler drain valves can be fitted with a backflow prevention device to prevent water from flowing back into the boiler.

How can I prevent my boiler drain valve from freezing in cold weather?

If your boiler is located in an unheated space or in an area where the temperature can drop below freezing, the water in the drain valve can freeze. To prevent this, make sure that your boiler is insulated and that the drain valve is located in a location that is protected from the cold.

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