Series 900 OMNI-TRIM® Direct Spring Operated Pressure Relief Valves

Description
Specifications
Documentation

Crosby Pressure Relief Valves, Direct Spring Process Valves, Crosby Series 800 and 900 OMNI-Trim Pressure Relief Valves

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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产品名称：900系列OMNI-TRIM直接弹簧式**阀

Series 900 OMNI-TRIM® Direct Spring Operated Pressure Relief Valves

Features & Benefits: