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Spence
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Figure 31/41 41A Cast Iron
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6" x 8" Spence Fig. 31 & 41 Steam Safety Relief Valve
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6" x 8" Spence Fig. 31 & 41 Steam Safety Relief Valve
6" 250# Flanged x Q x 8" 125# Flanged
Figure 31
Figure 31 is a safety valve for over pressure protection of steam boilers operating up to 250 psi. It is rated up to 250 psi and 450°F saturated steam. Figure 31 safety valves meet ASME code, Section I.
Figure 41
Figure 41 is a safety relief valve for steam service on unfired pressure vessels. It is also used on accumulators, cleaners, and distillers. Figure 41 safety relief valves are rated up to 250 psi and 450°F of saturated steam and meet ASME code, Section VIII.
Figure 41A
Figure 41A is a safety relief valve for air, gas and vapors. It is used on compressors, receivers, burners, dryers and other piping systems. Figure 41A safety relief valves are rated up to 300 psi and 450°F and meet ASME code, Section VIII.
Features
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Figure 31, 41, and 41A safety valves are top guided, full nozzle and high capacity.
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Unitized bonnet/base design and two ring control make them extremely dependable in terms of pop action, seat tightness and repeatability.
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Single cap and lifting lever permits manual valve opening (testing) with little force required.
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Figure 31, 41, and 41A safety valves are approved and registered in every Province in Canada in accordance with C.S.A B-51 under C.R.N.#0G1893.5C.
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Figure 31, 41, and 41A safety valves are Cast Iron Body with Bronze Trim
Specification Sheet
ASME Code Type
--select--
Section I; Figure 31 Steam Boiler Service, V stamp
Section VIII; Figure 41 Unfired Pressure Vessel Steam Service, UV stamp
Section VIII; Figure 41A Air Service
Set Pressure PSIG
In Stock
Quantity:
Price:
$5,901.60
