Masoneilan 74000 Series
Designed for special applications such as hydrocarbon service involving severe operating conditions where high temperatures and/or high pressures, high-pressure drops, severe coking conditions, erosive fluid particles, and flashing liquids are encountered. They are particularly adapted to pressure or level control systems and emergency blowdown or dropout service.
The base level 74000 series valve is characterized by a single stage trim, packaged in an angle style valve body, and having relatively simple flow geometry, for both the valve body and trim. This simplicity of flow path has proven successful in targeted heavy oil applications where high-velocity erosive jets are destroying more complex valve trims. This product has been uniquely successful in tough refining applications where entrained solids are the primary concern, and where other conventional severe service trims have failed catastrophically. The 74000 has industry-wide endorsements for success under the toughest of conditions and is frequently specified by name with experienced users. When seeking products that are differentiated in the market, the 74000 stands out as unique in both design and performance.
Specifications
Flow Direction
- Flow-To-Close (FTC)
Body
- Type: Angle body
Sizes
- 1” to 12” (DN 25 to 300) with expanding outlets (see Specification Table on Spec Sheet)
Ratings
- ASME Class 600 and ASME Class 2500
End Connections
- Flanged or Hubs
Bonnet Type
- Integral
Construction Type
- Two-piece body
Materials
- Body: 347 Stainless Steel
- Trim: Inconel 718, Ceramic & Tungsten Carbide
Trim
- Plug Type: Bull Nose: Top guided, Fluted: Top and bottom guided
- Trim Size: Full capacity, Reduced capacity
- Seat Leakage: Class IV (standard)
- CV Ratio: 50:1
- Flow Characteristic: Modified linear
Actuator
- Mounting: Direct mount
- Type: Double-acting cylinder, Spring return cylinder
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