Watts Regulator Company - Clean My Water

2
Relief Valves
740
174A
HIGH CAPACITY WATER PRESSURE RELIEF VALVES
Ordering Qty. Per Weight Per List Price
Model Code Size Carton Carton (lbs.) (each)
For Hot Water Space Heating Boiler – A.S.M.E. RATED – Female inlet NPTF
For Low Pressure Hot Water Heating Boilers – Iron Body – († Standard settings 30, 50, 75psi.)
740 * 0382008 3
⁄4" 12 21 $89.40
740 * 0382570 1" 6 22 156.00
740 * 0383020 1 1 ⁄4" 6 34 236.15
740 * 0383542 1 1 ⁄2" 6 50 330.30
740 * 0384042 2" 1 16 475.35
†Also available in 5psi increments 30 – 75psi, add 10% to list price. Contact factory for ordering codes.
* Ordering code for 30psi set pressure.
A.S.M.E. RATED – WATER PRESSURE RELIEF VALVES – FOR HOT WATER SUPPLY BOILERS
Bronze body – Female inlet NPTF – († Standard setting 30psi)
374A • 0358553 3
⁄4" 25 28 43.85
174A † 0274428 3
⁄4" 25 35 82.25
174A † 0274934 1" 12 26 175.35
174A † 0275600 1 1 ⁄4" 6 34 277.85
174A † 0276500 1 1 ⁄2" 6 47 384.45
174A † 0278030 2" 1 14 555.45
• Setting 30psi only.
† Also available in 5psi increments 30-150psi, add 10% to list price. Contact factory for ordering codes.
740, 374A, 174A STEAM DISCHARGE RATINGS
Model Size 30 BTU/Hr. 125 BTU/Hr. 150 BTU/Hr. Model Size 30 BTU/Hr. 50 BTU/Hr. 75 BTU/Hr.
374A 3
⁄4" 550,000 – – 740 3
⁄4" x 1" 925,000 1,352,000 1,886,000
174A 3
⁄4" 650,000 2,070,000 2,445,000 740 1" x 1 1 ⁄4" 1,300,000 1,899,000 2,649,000
174A 1" 1,005,000 3,215,000 3,795,000 740 1 1 ⁄4" x 1 1 ⁄2" 2,105,000 3,075,000 4,285,000
174A 1 1 ⁄4" 1,682,000 5,370,000 6,340,000 740 1 1 ⁄2" x 2" 2,900,000 4,237,000 5,909,000
174A 1 1 ⁄2" 2,020,000 6,460,000 7,630,000 740 2" x 2 1 ⁄2" 5,250,000 7,672,000 10,700,000
174A 2" 3,815,000 12,170,000 14,370,000
530C
N30L
SPECIALTY RELIEF VALVES
Ordering Qty. Per Weight Per List Price
Model Code Size Carton Carton (lbs.) (each)
POPPET TYPE – PRESSURE RELIEF VALVES
530C ▲ 0371271 1
⁄2" 50 26 $38.75
530C ▲ 0372271 3
⁄4" 50 28 41.40
530FP ● 0371270 1
⁄2" 50 26 38.75
53 ■ 0185131 1
⁄2" 50 28 38.80
53 ■ 0185643 3
⁄4" 50 28 40.40
FP53L ✖ 0190893 1
⁄2" 50 28 35.85
H 32-100 ❏ 0721500 3
⁄4" 50 10 35.30
H 32-80 ❏ 0721501 3
⁄4" 50 10 35.30
▲ Model 530C sizes 1 ⁄2" and 3 ⁄4" adjustments are between 50 and 175psi. For 100m – 300psi adjustments, 3 ⁄4" only, specify ordering code 0372273.
■ Set at 75, Available in 125 and 150psi settings. For other settings, specify 1 ⁄2" 53L and 3 ⁄4" 3L A.S.M.E. Relief Valves.
✖ Fire line thermal expansion relief valve. Set at 175psi – UL Listed.
● Fire line thermal expansion valve – Set at 150psi, adjustable range between 50 – 175psi.
❏ Hose connection thermal expansion relief valve.
POPPET TYPE – PRESSURE RELIEF VALVES
53L ■ 0189747 1
⁄2" 50 31 36.65
*3L ■ 0011086 3
⁄4" 50 33 38.30
*For Solar, specify Model 3L-Z9 with stainless steel lever and pin for outside solar applications.
■ Set at 75psi, available in 125 and 150psi settings.
DIAPHRAGM TYPE – WATER PRESSURE RELIEF VALVES
30L ■ 0120606 1
⁄2" 25 28 108.20
30L-Z1 ■ 0120617 1
⁄2" 25 28 108.20
N30L † 0111926 1
⁄2" 25 29 118.75
N30 (adj.5-25) 0109265 1
⁄2 25 29 118.75
■ Set at 75psi, available in 100, 125 or 150psi.
† Set at 30psi, available in 45psi.
18
5300A
BYPASS CONTROL VALVES – FOR PUMPING EQUIPMENT – Bronze body
5300A 0391600 1
⁄2" 25 14 62.55
*BP30A 0114039 1
⁄2" 12 15 124.30
*Furnished with special Teflon disc.
Standard pressure range 10-50psi.
Available in 45 – 100psi and 75 – 175psi ranges.
Consult factory for ordering code numbers of special models/options.