Contact your local Safety Valve Assembler

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Figure 800
Series

Figure 800 Bonze Safety and Relief Valves are ASME certified for Liquid, Steam, Air, Gas and Vapor.  They are available in sizes 1/2 to 1-1/2 inches.   They are available with a plain, open or packed cap design.  Optional bronze or SS
seats and choice of soft seat materials.  Suitable for pressure from 5 to 900 psig and temperatures
-400 to 422
º F.

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Figure 10 & 15 Series

Figure 10 and 15C  Cast Iron Safety Valves are ASME certified available in sizes 3/4 x 1 to 3 x 3 inches and orifices .276 to 4.43 square inches for steam, air, vacuum and non-hazardous gas service. Suitable for pressures from 5 to 15 psig,
1 to 30 HG and temperatures from -20 to 400
º F. Also available with lifting lever and non-corroding aluminum body (15LC).

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Figure 31 Bronze Series

Figure 31, 41, 41A Bronze Safety Valves are ASME certified and   available in sizes 1/2 x 3/4 to 2 1/2 x 2 1/2 inches for steam, air and gas service. Available with SS trim Figure 32, 42, 42A and soft seats Figure 33, 43, 43A.   Suitable for pressures from 5 to 300 psig and temperatures -75 to 422º F. Closed bonnet available for hazardous service (41AA).

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Figure 31 Cast Iron Series

Figure 31, 41, 41A Bronze Safety Valves are ASME certified and available in sizes 1 1/2 x 2 1/2 to 6 x 8 inches for steam, air and non-hazardous gas service. Available with SS trim Figure 32, 42, 42A.  Suitable for pressures from 5 to 250 psig and temperatures from -20 to 406º F. Features include a semi-nozzle, dual ring control and open lever.

TECHNICAL SPECIFICATIONS
Figure 31, 41 and 41A Safety Valves

 Cast Bronze Bronze Trim 250 psig threaded 1/2"-2-1/2".
SS Trim 300 psig threaded 1/2"-2-1/2"
 Cast Iron Bronze Trim 250 psig threaded or flanged 1-1/2"-6"
SS Trim 250 psig threaded or flanged 1-1/2"-6"

Contact Safety Valve Assemblers | Spence Home Page | For more info


Spence Engineering Company, Inc.
150 Coldenham Road
Walden, New York, USA 12586-2035
Toll Free: 1-800-398-2493
Phone: 845-778-5566
Fax: 845-778-1072