900系列OMNI-TRIM直接弹簧式安全阀
单装饰设计，为空气，煤气，蒸汽，蒸汽，液体和应用两相介质流固定的排污设计。全喷嘴的设计。
Single trim design, fixed blowdown design for medium flow of air, gas, steam, vapor, liquid and two phase applications. Full nozzle design. Available with metal or O-ring seat construction.
Features & Benefits:
- Relieving capacities certified by National Board of Boiler and Pressure Vessel Inspectors. Certification includes air, steam and water for Series 900.
- Valves manufactured in accordance with the requirements of ASME Boiler and Pressure Vessel Code Section VIII and Section III.
- Superior seat tightness. Precision lapped flat metal-to-metal seats, or elastomer or TFE O-ring soft seats provide the ultimate in seat tightness.
- Maximum corrosion resistance. Trim components are stainless steel as standard. All 316 stainless steel, Monel®, Hastelloy® and NACE* optional constructions are available.
- Spring standardization. Suitable for inlet temperatures to 750°F [399°C], using a 17-7PH stainless steel spring.
- Positive built-in lift stop.
- Fewer parts result in increased reliability and ease of maintenance.
- Use a single trim design for liquid, gas and vapor services.
- Provide reliable blowdown without the need for adjustment.
Note: Contact your sales representative for compliance to NACE MR-0175-2003 or later requirements.
Specifications
Sizes: 1/2" x 1" to 2" x 2"
Orifices: 0.074 to 0.503 in2 [0.477 to 3.25 cm2]
Connections: NPT, Flanged, Socket Weld
Temperature Range: -450 to +750°F [-268 to +399°C]
Set Pressures: 5 to 5000 psig [0.34 to 344.83 barg]
Code: ASME VIII [15 psig and above]
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