Temperature And Pressure Relief Valves

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StyleModelBody MaterialDischarge CapacityRelief Valve PressureMax. Temp.Max. Working PressureInlet SizeOutlet SizeInlet TypePrice (inc. VAT)
ALF40L 100-210 1Lead Free Brass998000 btuH100 psi210°F-1"1"Male Threaded£969.00
ALF40L 150-210 1Lead Free Bronze2134000 btuH150 psi210°F113 psi1"1"Male Threaded£1,036.51
WATTS -

LFN9 Series, Dual Check with Atmospheric Vent

StyleModelMax. Temp.Inlet SizeOutlet SizeInlet TypeOutlet TypeTypeBody FinishBody MaterialPrice (inc. VAT)
ALFN9C-1/4"140°F1/4"1/4"Female ThreadedFemale ThreadedNo Shutoff ValveChromeLead Free Brass£125.41
BLFN9-1/4"140°F1/4"1/4"Female ThreadedFemale ThreadedKitBrassLead Free Brass£113.56
BLFN9-3/8"140°F3/8"3/8"Female ThreadedFemale ThreadedKitBrassLead Free Brass£220.90
CLFNLF9180°F3/8"3/8"MNPTFNPT--Lead Free Brass£173.00
StyleModelBody MaterialMax. Temp.Inlet SizeOutlet SizeInlet TypeOutlet TypePressure RangeLeadPrice (inc. VAT)
AN240X-075/210 1Bronze210°F1"1"Female ThreadedFemale Threaded75 psi to 150 psiPresent£1,252.23
AN240X9 75-210 1Bronze210°F1"1"Female ThreadedFemale Threaded75 psi to 150 psiPresent£1,408.46
WATTS -

740 Series Water Boiler Relief Valves

StyleModelMax. Working PressureDischarge CapacityInlet SizeOutlet SizeRelief Valve PressureBody MaterialMax. Temp.Inlet TypePrice (inc. VAT)
A740-075 3/4--3/4"1"75 psiIron250°FFemale Threaded£222.58
A740-040 3/4--3/4"1"40 psiIron250°FFemale Threaded£510.45
A740-050 3/4--3/4"1"50 psiIron250°FFemale Threaded£231.94
B740-030 1 1/420 psi2105000 btuH1 1/4"1 1/2"30 psiIron250°FFemale Threaded£873.28
B740-030 1 1/220 psi2900000 btuH1 1/2"2"30 psiIron250°FFemale Threaded£903.60
B740-050 1 1/438 psi3075000 btuH1 1/4"1 1/2"50 psiIron250°FFemale Threaded£856.05
StyleModelInlet SizeBody MaterialMax. Temp.Inlet TypeOutlet TypeInlet Thread TypeMin. Temp.Ball MaterialPrice (inc. VAT)
A94-32321/2"Brass125°FFemale ThreadedFemale ThreadedNPT-40°FChrome Plated£14.06
RFQ
A94-42423/4"Brass125°FFemale ThreadedFemale ThreadedNPT-40°FChrome Plated£19.46
RFQ
WATTS -

LFN240 Series Automatic Re Seating Temperature And Pressure Relief Valves

StyleModelBody MaterialDischarge CapacityInlet SizeOutlet SizeInlet TypeInlet Thread TypeThermostat MaterialRelief Valve PressurePrice (inc. VAT)
ALFN241X 150-210 1 1/4Copper Silicon Alloy4059000 btuH1 1/4"1 1/4"Male ThreadedNPTStainless Steel150 psi£2,889.48
BLFN240X 100-210 1Lead Free Brass2817000 btuH1"1"Female ThreadedFPTStainless Steel100 psi£1,862.48
BLFN240X-9 125-210 1Lead Free Brass3438000 btuH1"1"Female ThreadedFPTStainless Steel125 psi£2,134.84
ALFN241X-8 75-210 1 1/4Lead Free Brass2195000 btuH1 1/4"1 1/4"Male ThreadedNPTStainless Steel75 psi£2,326.89
ALFN241X-8 125-210 1 1/4Lead Free Brass3438000 btuH1 1/4"1 1/4"Male ThreadedNPTStainless Steel125 psi£2,367.81
ALFN241X 100-210 1 1/4Lead Free Brass2817000 btuH1 1/4"1 1/4"Male ThreadedNPTStainless Steel100 psi£2,035.63
ALFN241X 125-210 1 1/4Lead Free Bronze3438000 btuH1 1/4"1 1/4"Male ThreadedNPTCopper125 psi£2,075.01
WATTS -

LF340 Series Automatic Re-Seating Temperature and Pressure Relief Valves

StyleModelBody MaterialDischarge CapacityInlet SizeOutlet SizeInlet TypeInlet Thread TypeRelief Valve PressureMax. Temp.Price (inc. VAT)
ALF340 100-210 1 1/2Bronze4426000 btuH1 1/2"1 1/2"Female ThreadedFPT100 psi-£3,961.07
ALF340X-8-Z 175-210 1 1/2Bronze-1 1/2"1 1/2"Female ThreadedFPT175 psi-£5,258.34
ALF340X-8 100-210 1 1/2Bronze4426000 btuH1 1/2"1 1/2"Female ThreadedFPT100 psi-£4,208.25
ALF340X-8 125-210 1 1/2Bronze5403000 btuH1 1/2"1 1/2"Female ThreadedFPT125 psi-£5,575.24
BLF342X-8 125-210 2Copper Silicon Alloy5403000 btuH2"2"Male ThreadedNPT125 psi210°F£5,033.23
BLF342 125-210 2Copper Silicon Alloy5403000 btuH2"2"Male ThreadedNPT125 psi210°F£3,965.78
StyleModelRelief Valve PressureBody MaterialMax. Temp.Inlet SizeOutlet SizeInlet TypeOutlet TypePressure RangePrice (inc. VAT)
ALF174A-90 290 psiCopper Silicon Alloy250°F2"2"Female ThreadedFemale Threaded50 psi to 150 psi£2,824.40
RFQ
ALF174A-95 295 psiCopper Silicon Alloy250°F2"2"Female ThreadedFemale Threaded50 psi to 150 psi£2,824.40
RFQ
WATTS -

Temperature and Pressure Relief Valves

StyleModelBody MaterialInlet SizeOutlet SizeInlet TypeOutlet TypePressure RangeLeadInlet Thread TypePrice (inc. VAT)
A3/4 40XL8 150210---------
RFQ
B1L-2-150210Bronze1/2"1/2"Male ThreadedFemale Threaded75 psi to 150 psiPresentNPT£56.28
C100DTPVC-------£13.67
StyleModelDischarge CapacityMax. Working PressureRelief Valve PressureBody MaterialMax. Temp.Inlet SizeOutlet SizeInlet TypePrice (inc. VAT)
A174A-Z3-T-0303815000 btuH-30 psiBronze250°F2"2"Female Threaded£2,030.92
RFQ
A174A-030 23815000 btuH20 psi30 psiBronze250°F2"2"Female Threaded£1,403.17
RFQ
A174A-35 24250000 btuH25 psi35 psiBronze250°F2"2"Female Threaded£2,232.43
RFQ
A174A-036 24344000 btuH26 psi36 psiBronze250°F2"2"Female Threaded£2,232.43
RFQ
A174A-040 24690000 btuH30 psi40 psiBronze250°F2"2"Female Threaded£2,232.43
RFQ
A174A-045 25130000 btuH35 psi45 psiBronze250°F2"2"Female Threaded£2,232.43
RFQ
A174A-050 25575000 btuH38 psi50 psiBronze250°F2"2"Female Threaded£2,086.02
RFQ
A174A-55 26010000 btuH41 psi55 psiBronze250°F2"2"Female Threaded£2,232.43
RFQ
A174A-060 26450000 btuH45 psi60 psiBronze250°F2"2"Female Threaded£2,232.43
RFQ
A174A-65 26890000 btuH49 psi65 psiBronze250°F2"2"Female Threaded£2,232.43
RFQ
A174A-70 27330000 btuH53 psi70 psiBronze250°F2"2"Female Threaded£2,232.43
RFQ
A174A-075 27770000 btuH56 psi75 psiBronze250°F2"2"Female Threaded£2,086.02
RFQ
A174A-80 28215000 btuH60 psi80 psiBronze250°F2"2"Female Threaded£2,232.43
RFQ
A174A-85 28650000 btuH64 psi85 psiBronze250°F2"2"Female Threaded£2,086.02
RFQ
A174A-88 28920000 btuH66 psi88 psiBronze250°F2"2"Female Threaded£2,232.43
RFQ
A174A-90 29090000 btuH68 psi90 psiBronze250°F2"2"Female Threaded£2,232.43
RFQ
A174A-95 29530000 btuH71 psi95 psiBronze250°F2"2"Female Threaded£2,232.43
RFQ
WATTS -

LF1XL Series Temperature and Pressure Relief Valves

StyleModelRelief Valve PressureBody MaterialMax. Temp.Max. Working PressureDischarge CapacityInlet SizeOutlet SizeInlet TypePrice (inc. VAT)
ALF1XL 75-210 1/275 psiCopper Silicon Alloy210°F--1/2"1/2"Male Threaded£77.93
BLF1XL 100 1/2100 psiCopper Silicon Alloy210°F--1/2"1/2"Male Threaded£70.46
CLF1XL-8 150-210 1/2150 psiCopper Silicon Alloy210°F--1/2"1/2"Male Threaded£74.40
BLF1XL-BP-TT-150210150 psiCopper Silicon Alloy210°F--1/2"1/2"Male Threaded£69.26
BLF1XL 150-210 1/2150 psiCopper Silicon Alloy210°F113 psi15000 btuH1/2"1/2"Male Threaded£70.46
WATTS -

Boiler Pressure Relief Valves

StyleModelBody MaterialMax. Temp.Inlet SizeOutlet SizeInlet TypeOutlet TypeLeadRelief Valve PressurePrice (inc. VAT)
A474A-M2-125--------£169.32
BLF474AM2-125--------£153.90
CM375M1-075 3/4Brass250°F3/4"3/4"Male ThreadedFemale ThreadedPresent75 psi£221.36
StyleModelRelief Valve PressureBody MaterialMax. Working PressureMax. Temp.Discharge CapacityInlet SizeOutlet SizeInlet TypePrice (inc. VAT)
A374A-BRZ-03030 psiIron10 psi250°F550000 btuH3/4"3/4"Female Threaded£138.01
A374A-045 3/445 psiIron---3/4"3/4"Female Threaded£120.03
A374A-050 3/450 psiIron---3/4"3/4"Female Threaded£222.67
WATTS -

174A Series Water Boiler Pressure Relief Valves

StyleModelDischarge CapacityMax. Working PressureInlet SizeOutlet SizeRelief Valve PressureBody MaterialMax. Temp.Inlet TypePrice (inc. VAT)
A174A-030 3/4--3/4"3/4"30 psiBronze250°FFemale Threaded£201.31
A174A-115 1 1/4--1 1/4"1 1/4"115 psiBronze250°FFemale Threaded£1,068.19
A174A-045 3/4--3/4"3/4"45 psiBronze250°FFemale Threaded£381.14
A174A-115 3/4--3/4"3/4"115 psiBronze250°FFemale Threaded£393.05
A174A-130 3/4--3/4"3/4"130 psiBronze250°FFemale Threaded£393.05
A174A-145 1--1"1"145 psiBronze250°FFemale Threaded£833.26
A174A-140 1--1"1"140 psiBronze250°FFemale Threaded£833.26
A174A-060 3/4--3/4"3/4"60 psiBronze250°FFemale Threaded£310.94
A174A-095 3/4--3/4"3/4"95 psiBronze250°FFemale Threaded£319.24
B174A-35 1 1/22250000 btuH25 psi1 1/2"1 1/2"35 psiBronze250°FFemale Threaded£1,546.03
B174A-036 1 1/22310000 btuH26 psi1 1/2"1 1/2"36 psiBronze250°FFemale Threaded£1,546.03
B174A-050 1 1/42459000 btuH38 psi1 1/4"1 1/4"50 psiBronze250°FFemale Threaded£1,043.79
B174A-0402490000 btuH30 psi1 1/2"1 1/2"40 psiBronze250°FFemale Threaded£1,546.03
B174A-045 1 1/22720000 btuH35 psi1 1/2"1 1/2"45 psiBronze250°FFemale Threaded£1,546.03
B174A-050 1 1/22950000 btuH38 psi1 1/2"1 1/2"50 psiBronze250°FFemale Threaded£1,546.03
B174A-65 1 1/43041000 btuH49 psi1 1/4"1 1/4"65 psiBronze250°FFemale Threaded£1,119.39
B174A-55 1 1/23190000 btuH41 psi1 1/2"1 1/2"55 psiBronze250°FFemale Threaded£1,546.03
B174A-060 1 1/23425000 btuH45 psi1 1/2"1 1/2"60 psiBronze250°FFemale Threaded£1,546.03
B174A-65 1 1/23660000 btuH49 psi1 1/2"1 1/2"65 psiBronze250°FFemale Threaded£1,546.03
B174A-70 1 1/23890000 btuH53 psi1 1/2"1 1/2"70 psiBronze250°FFemale Threaded£1,546.03
B174A-90 1 1/44011000 btuH68 psi1 1/4"1 1/4"90 psiBronze250°FFemale Threaded£1,119.39
B174A-075 1 1/24125000 btuH56 psi1 1/2"1 1/2"75 psiBronze250°FFemale Threaded£1,546.03
B174A-80 1 1/24360000 btuH60 psi1 1/2"1 1/2"80 psiBronze250°FFemale Threaded£1,546.03
B174A-1004399000 btuH75 psi1 1/4"1 1/4"100 psiBronze250°FFemale Threaded£1,043.79
B174A-85 1 1/24590000 btuH64 psi1 1/2"1 1/2"85 psiBronze250°FFemale Threaded£1,546.03
StyleModelBody MaterialShank LengthRelief Valve PressureMax. Temp.Inlet SizeOutlet SizeInlet TypeOutlet TypePrice (inc. VAT)
ALF10L-2 150-210 3/4Copper Silicon Alloy1 1/8"150 psi210°F3/4"3/4"Male ThreadedFemale Threaded£73.58
ALF10L-2 125-210 3/4Lead Free Bronze1 3/16"125 psi210°F3/4"3/4"Male ThreadedFemale Threaded£81.09
ALF10L-2 75-210 3/4Lead Free Bronze1 3/16"75 psi210°F3/4"3/4"Male ThreadedFemale Threaded£81.09
WATTS -

Pressure Relief Valves

StyleModelBody MaterialDischarge CapacityInlet SizeOutlet SizePressure RangeLeadRelief PressureMax. Temp.Price (inc. VAT)
ASAN50-D--------£1,378.12
RFQ
B0121544--------£2,712.08
RFQ
CLFF116-23 0-30 1 1/4-----Not Present--£3,546.74
RFQ
DLF174A-100 1--------£1,107.30
RFQ
ELF174A-125 1--------£920.99
RFQ
FLF140S3 150-210 1--------£1,159.60
RFQ
GLF174A-75 1--------£1,120.27
RFQ
H740-040 1 1/2--------£1,536.66
RFQ
ILF174A-150 1 1/2--------£2,375.50
RFQ
J740-030 3/4--------£196.58
RFQ
K740-045 1 1/2--------£1,707.45
RFQ
LLF174A-125 1 1/4--------£1,354.71
RFQ
M740-045 1 1/4--------£1,287.00
RFQ
NLF174A-75 1 1/4--------£2,011.51
RFQ
OLF140X9 150-210 1--------£1,829.76
RFQ
P740-045 2--------£2,361.13
RFQ
QLF174A-60 3/4--------£550.31
RFQ
RLF174A-75 3/4--------£381.40
RFQ
SLF174A-125 3/4--------£345.18
RFQ
T174A-030 1 1/2--------£1,140.85
RFQ
U740-040 1 1/4--------£1,255.31
RFQ
VLF174A-150 1--------£934.25
RFQ
W740-030 1--------£381.05
RFQ
XLF009M2-QT 1---------
RFQ
Y740-060 1 1/2---------
RFQ
WATTS -

340 Series Automatic Re-Seating Temperature and Pressure Relief Valves

StyleModelDischarge CapacityInlet SizeOutlet SizeRelief Valve PressureBody MaterialInlet TypeOutlet TypePressure RangePrice (inc. VAT)
A340-075/210 1 1/2-1 1/2"1 1/2"75 psiBronzeFemale ThreadedFemale Threaded75 psi to 150 psi£3,512.43
B342-100210 2-2"2"100 psiBronzeFemale ThreadedFemale Threaded75 psi to 150 psi£3,517.98
B342X-8-100210 2-2"2"100 psiBronzeFemale ThreadedFemale Threaded75 psi to 150 psi£3,732.55
A340X-8-75210 1 1/2-1 1/2"1 1/2"75 psiBronzeFemale ThreadedFemale Threaded75 psi to 150 psi£3,486.54
C340X-8-Z-175210 1 1/2-1 1/2"1 1/2"175 psiBronzeFemale ThreadedFemale Threaded75 psi to 150 psi£3,704.44
A340X-8-80210 1 1/2-1 1/2"1 1/2"80 psiBronzeFemale ThreadedFemale Threaded75 psi to 150 psi£3,732.55
C340X-8-100210 1 1/24426000 btuH1 1/2"1 1/2"100 psiBronzeFemale ThreadedFemale Threaded75 psi to 150 psi£3,177.03
D342X-8-125210 25403000 btuH2"2"125 psiBronzeFemale ThreadedFemale Threaded75 psi to 150 psi£3,315.59
WATTS -

93 Series Angle Connector Gas Shutoff Valves

StyleModelInlet SizeInlet TypeOutlet TypeInlet MaterialOutlet MaterialFinishPrice (inc. VAT)
A93-20321/2"Flare JointFemale ThreadedBrassBrassBrass£17.77
RFQ
B93-10323/8"Flare JointFemale ThreadedBrassBrassBrass£14.46
RFQ
C93-30425/8"Flare JointFemale ThreadedBrassBrassBrass£24.70
RFQ
WATTS -

LFLL40XL Extended Inlet Shank Temperature and Pressure Relief Valves

StyleModelInlet SizeOutlet SizeShank LengthRelief Valve PressureBody MaterialDischarge CapacityInlet TypeOutlet TypePrice (inc. VAT)
ALFLL40XL-M15 150-210 11"1"1 25/32"150 psiCopper Silicon Alloy2135000 btuHMale ThreadedFemale Threaded£1,970.32
BLFLL40XL-M15 150-210 3/43/4"3/4"1 21/32"150 psiCopper Silicon Alloy-Male ThreadedFemale Threaded£742.32
CLFLLL40XL-M15 150210 3/43/4"3/4"1 25/32"150 psiCopper Silicon Alloy-Male ThreadedFemale Threaded£778.50
BLFLL40XL 75-210 3/43/4"3/4"1 21/32"75 psiCopper Silicon Alloy-Male ThreadedFemale Threaded£876.12
WATTS -

LF40L Series Temperature and Pressure Relief Valves

StyleModelBody MaterialDischarge CapacityInlet SizeOutlet SizeRelief Valve PressureMax. Temp.Inlet TypeOutlet TypePrice (inc. VAT)
ALF40XL 100-210 3/4Lead Free Brass-3/4"3/4"100 psi210°FMale ThreadedFemale Threaded£620.30
BLF40L 150-210 3/4Lead Free Brass-3/4"3/4"150 psi210°FMale ThreadedFemale Threaded£563.61
ALF40XL-8 100-210 3/4Lead Free Brass-3/4"3/4"100 psi210°FMale ThreadedFemale Threaded£413.26
CLF40XL7 75-210 1Lead Free Brass1155000 btuH1"1"75 psi210°FMale ThreadedFemale Threaded£989.24
DLF40L 125-210 1Lead Free Brass1218000 btuH1"1"125 psi210°FMale ThreadedFemale Threaded£969.00
ALF40XL-8 150210 3/4Lead Free Bronze-3/4"3/4"150 psi210°FMale ThreadedFemale Threaded£613.48
WATTS -

LF340 Series Temperature and Pressure Relief Valves

StyleModelBody MaterialDischarge CapacityInlet SizeOutlet SizeInlet TypeOutlet TypePressure RangeLeadPrice (inc. VAT)
ALF340X-8 150-210 1 1/2--------£5,441.68
RFQ
BLF340 150-210 1 1/2--------£5,155.62
RFQ
CLF340 125-210 1 1/2Bronze5403000 btuH1 1/2"1 1/2"Female ThreadedFemale Threaded75 psi to 150 psiNot Present£5,288.24
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