Watts Figure 41 - Manual

For ASME Section VIII Steam Service on Unfired Pressure Vessels
ES-FIG41
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Watts product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements,
please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials with-
out prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.
Series Figure 41
Bronze and Cast Iron Safety
Relief Valves
For Steam Service
Sizes: Bronze - 1 ⁄
2
" – 2 1 ⁄
2
" (15 – 65mm)
Cast iron - 1 1 ⁄
2
" – 6" (40 – 150mm)
Figure 41 is a safety relief valve for steam service on unfired
pressure vessels and pressure reducing valve stations.
Figure 41 safety relief valves are rated up to 250psi and
406°F (208°C) saturated steam and meet ASME code
Section VIII.
Features
• 2 piece body design
• Enclosed springs
• 2-ring control provides precise pop action and
seat tightness
• Single unit cap and lifting lever
Approvals
Rated in accordance with ASME Section VIII
Pressure – Temperature
Maximum Working Pressure: 250psi (17.2 bar)
Maximum Working Temperature: 406°F (208°C)
Fig. 41
Bronze safety valves
Fig. 41
Flanged cast iron safety
valves