Series 4200
- 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
- ASME National Board Certified for Section I: Steam applications
- Double blow down ring designed to meet the ASME section I reseating standards
- Thermal disc for ultimate seat tightness safety.
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Series 6400
- Size 1” x 2” to 4” x 6”
- Orifice Areas D (0.150 sq2) to P Orifice (7.087 sq2)
- Set Pressure Ranges 15 to 1500 psig (1.0 to 103barg)
- Temperature Ranges -20 to 1000°F (-29 to 538°C)
- Flange Classes 150# – 1500#
- Materials of Construction Carbon Steel Stainless Steel Chrome-Moly
- Flanged Spring Loaded Boiler Safety Valve
- Available in closed bonnet or exposed spring versions
- Hardened conical disc for extended seat life
- Full nozzle design
- ASME/NB Section I and VIII for Steam
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