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Flanged Spring Loaded Boiler Safety Valve -
Full nozzle design
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Open bonnet design
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One piece guide
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Low stem bearing point
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Temperature equalizing disc
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Heavy stainless steel lock screw studs
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Test Gag Optional
General Specifications
Size
- 1” x 1/4” x 1-1/2” to 6” x 8”
Orifice Areas
- F (0.316 sq2) to Q Orifice (11.39 sq2)
Set Pressure Ranges
- 15 to 1000 psig (1.0 to 68.9 barg)
Temperature Ranges
- -20 to 1000°F (538°C)
Flange Classes
- 150# – 600#
Materials of Construction
- Carbon Steel
- Stainless Steel
- Low/High Temperature Alloy Steels
- Chrome-Moly
Certifications
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ASME/NB Section I and VIII for Steam
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CSA B51 (Canada CRN)
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ISO 9001- 2008
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PED 97/23/EC (European Pressure Equipment Directive)
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ATEX 94/9/EC (European Potentially Explosive Atmospheres)
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CSQL (China)
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GOST-R (Russian)
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US Coast Guard
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Nuclear – 10 CRF 50 Appendix B, NCA-4000, NQA-1 N285.0
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First Point Assessment Limited
