Watts Figure 41A User Manual download pdf

For ASME Section VIII Service on Air, Gas, Vapors

ES-FIG41A

Job Name

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Contractor

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Job Location

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Approval

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Engineer

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Contractor’s P.O. No.

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Approval

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Representative

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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 41A

Bronze and Cast Iron Safety

Relief Valves

For Air, Gas, and Vapors

Sizes: Bronze -

⁄2" – 2

⁄2" (15 – 65mm)

Cast iron - 1

⁄2" – 6" (40 – 150mm)

Figure 41A is a safety relief valve for air, gas and vapors. It is

used on compressors, receivers, burners and other piping

systems. Figure 41A safety relief valves are rated up to

250psi (17.2 bar) and 406˚ F (208˚ C) 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. 41A

Bronze safety valves

Fig. 41A

Flanged cast iron safety

valves

1 2 3 4

Summary of Contents

Page 1 - Series Figure 41A

For ASME Section VIII Service on Air, Gas, VaporsES-FIG41AJob Name –––––––––––––––––––––––––––––––––––––––––––Contractor –––––––––––––––––––––––––––

Page 2 - Materials

2REF. NO. PART NAME MATERIAL1 Base Bronze2 Base Ring Bronze3 Base Ring Set Screw Brass4 Disc Bronze5 Guide and Ring Bronze6 Guide Ring Set Screw Brass

Page 3

3REF. NO. PART NAME MATERIAL1 Body ASTM A126-B (Grey Iron)2 Bonnet ASTM A126-B (Grey Iron)3 Nozzle ASTM B26 (Bronze)4 Nozzle Ring ASTM B584-844 (Bronz

Page 4 - Capacities

ES-FIG41A 0643 © Watts Regulator Company, 2006USA: 815 Chestnut St., No. Andover, MA 01845-6098; www.watts.comCanada: 5435 North Service Rd., Burling

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Watts Figure 41A User Manual

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