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4200 Series
4200 Series - Steam Safety Valves
| 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 |
- 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
- ASME/NB Section I and VIII for Steam
- CSA B51 (Canada CRN)
- ISO 9001- 2008
- 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
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