Note
Neither Emerson, Emerson Process Management, nor any of their affiliated entities assumes responsibility for the selection, use and maintenance of any product. Responsibility for the selection, use, and maintenance of any product remains with the purchaser and end-user.

• Heavy-Duty Construction—Massive guiding (figure 2) positively aligns the valve plug in the seat ring for high pressure drop applications. The screwed-in seat ring completely encloses the seat ring gasket.
• Easy Maintenance—Screwed bonnet/body joint allows repair or maintenance with a minimum of tools.
• Severe Service Capability—Valve is available with VTC (ceramic) trim for service in very erosive applications. The valve plug is also available with a tungsten carbide tip and the seat ring can be fitted with a full-bore tungsten carbide insert for erosive service.
• Meets Variety of Specifications—Valve body and end connection constructions are available for API as well as ASME standards.
• NACE Trim Standard—NACE trim and bolting materials are standard for all applications. These materials comply with the requirements of NACE MR0175-2002.

Application

1. Type of application

Valve

Refer to the specifications. Review the description for each specification. Indicate the desired choice whenever there is a selection (■) to be made. Always indicate the valve body design being ordered as identified in the available configuration specification.

Actuator and Accessories

Refer to separate bulletins covering actuators and accessories for ordering information.

Available Configurations

Design D: Globe valve with screwed-on bonnet, unbalanced post-guided valve plug, screwed-in seat ring, metal seat construction, and push-down-to-close valve plug action
Design DA: Same as Design D except in angle configuration (figure 2)

Valve Sizes and End Connections(1)

See table 1

Maximum Inlet Pressures and Temperatures(1)(2)

See table 2

Maximum Allowable Pressure Drops(2)

Flow up: Capable of full rated pressure drops
Flow down: See table 3 for pressure drop limits for ceramic trim

Shutoff Classification per ANSI/FCI 70-2and IEC 60534-4

Standard: Class IV leakage
Optional: Class V

Material Temperature Capabilities

-46 to 232°C (-50 to 450°F)

Construction Materials

Body, Bonnet, and Trim: See table 4.
Packing:
Standard: ■Single or ■double PTFE V-ring packing for pressure service
Optional: Double PTFE/Composition
Standard Gaskets: S31600 (316 SST)

Flow Characteristic

Equal percentage

Flow Direction (see figure 2)

Design D: Flow up (through seat ring and past valve plug)
Design DA: ■Flow up (through seat ring and past valve plug) or ■flow down (past valve plug and through seat ring)

Flow Coefficients and Noise Level Prediction

See table 5 and the section titled Coefficients in this bulletin or Fisher® Catalog 12

Port, Yoke Boss, Stem Diameters, and Rated Travels

See table 6

Approximate Weights

NPS 1: 34 kg (75 pounds)
NPS 2: 45 kg (100 pounds)

Options

■Lubricator/isolating valve ■VTC (ceramic) Trim with equal percentage characteristic (not available with Micro-Flute trim) ■Tungsten Carbide trim (not available with Micro-Flute trim)

Note
Neither Emerson, Emerson Process Management, nor any of their affiliated entities assumes responsibility for the selection, use and maintenance of any product. Responsibility for the selection, use, and maintenance of any product remains with the purchaser and end-user.