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4200 Series – Steam Safety Valve
4200 Series Steam Safety Valve
Product Features
| • | Flanged Spring Loaded Boiler Safety Valve |
| • | Full nozzle design |
| • | Open bonnet design |
| • | One piece guide |
| • | Low stem bearing point |
| • | Temperature equalizing disc |
| • | Heavy stainless steel lock screw studs |
| • | Test Gag Optional |
Description
4200 Series Steam Safety Valve
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
-
ASME/NB Section I and VIII for Steam -
CSA B51 (Canada CRN)
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ISO 9001- 2008
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PED 97/23/EC (European Pressure Equipment Directive)
-
ATEX 94/9/EC (European Potentially Explosive Atmospheres)
-
CSQL (China)
-
GOST-R (Russian)
-
US Coast Guard
-
Nuclear – 10 CRF 50 Appendix B, NCA-4000, NQA-1 N285.0
-
First Point Assessment Limited
