Specifications

87
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X Ref
Calibrated Pressure Relief Valve P1500 Series
Features Applications
• 1/2”, 3/4”
• Pressure relief valve poppet type
• All bronze body
• For cold water relief only
• Calibrated adjustments from 25 to 175 psi
• Scale permanently etched on stem
• Male NPT inlet, female NPT outlet
For Additional Information, Ask For TP-P1500 or visit our web site.
Designed for installation on cold water service lines as a means of protection against excessive
pressure buildup. These devices are for pressure only and should be used in conjunction with
other temperature limiting devices. Also suitable for static relief, low capacity pump relief, passive
solar, thermal expansion relief and other similar uses in commercial and industrial applications.
 Water Pressure Reducing Valve (Model NR3)
 Vacuum Relief Valve (Model VR10)
Typical installation & information, please see page 88.
Accessories
WILKINS WATTS
P1500 530
P1550 Series
• 1/2”, 3/4”
• For pressure relief only
• Pressure settings 75 or 125 psi
• Male NPT inlet, female NPT outlet
For Additional Information, Ask For TP-P1500 or visit our web site.
X Ref Features
Designed for installation on cold water service lines as a means of protection against
excessive pressure buildup. These devices are for pressure only and should be used in
conjunction with other temperature limiting devices. Also suitable for static relief, low
capacity pump relief, passive solar, thermal expansion relief and other similar uses in
commercial and industrial applications.
 Water pressure reducing valve (Model NR3)
 Vacuum relief valve (Model VR10)
Typical installation & information, please see page 88.
Accessories Applications
WILKINS WATTS
P1550 53
Pressure Relief Valves