Emerson 63EG-98HM Datasheet download pdf (Page 2)

Bulletin 71.4:63EG-98HM

Main Valve Body Sizes and End Connection Styles

(1)(2)

See Table 1

Maximum Design Pressure

(3)

600 psig / 41.4 bar or body rating limit, whichever is lower

Maximum Operating Relief (Inlet) Pressure

Including Build-up

(2)(3)

450 psig / 31.0 bar or body rating limit, whichever is lower

Maximum Outlet Pressure

(2)(3)

450 psig / 31.0 bar

Maximum Differential Pressure

(2)

400 psig / 27.6 bar

Port Diameter and Valve Plug Travels

See Table 2

Relief Set Pressure/Backpressure Control Ranges

(4)

See Table 3

Flow Coefcients

See Table 4

Main Valve IEC Sizing Coefcients

See Table 5

Differential and Build-up Pressure Requirements

(2)

See Table 6

Main Valve Flow Characteristics

Linear (standard) or Whisper Trim™

III Cage (optional)

Main Valve Flow Direction

In through seat ring and out through cage

Temperature Capabilities

(2)

Fluorocarbon (FKM):

0 to 300°F / -18 to 149°C Not acceptable in water or

steam in excess of 200°F / 93°C

Ethylenepropylene (EPDM):

Steel: -20 to 350°F / -29 to 177°C

Stainless steel: -40 to 350°F / -40 to 177°C

Peruoroelastomer (FFKM):

Standard: 0 to 450°F / -18 to 232°C

Optional: 0 to 550°F / -18 to 288°C

Approximate Weights (Including pilot)

See Figure 4

Pilot Control Line Connection

1/8 NPT

Pilot Spring Case Connection

1/4 NPT

Pilot Wide-Open Flow Coefcients

: 98; C

: 2.75; C

: 35

1. Other ratings and end connections can usually be supplied; consult the local Sales Ofce.

2. The pressure/temperature limits in this bulletin and any applicable standard limitation should not be exceeded.

3. Fluorocarbon (FKM) diaphragm is limited to 300 psig / 20.7 bar.

4. Set pressure is dened as the pressure at which the pilot start-to-discharge.

5/64 in. / 2.00 mm Fixed Bleed Restriction Coefcients

: 4.8; C

: 0.14

Construction Materials

Type 63EG Main Valve

Body and Body Flange: WCC steel (standard),

CF8M Stainless steel, Hastelloy

C, Monel

Alloy 20 (optional)

Cage: 316 Stainless steel (standard), 416 SST,

Hastelloy

C, Monel

or Alloy 20 (optional)

Seat Ring and Valve Plug: 416 Stainless steel (standard),

316 Stainless steel, Hastelloy

Monel

or Alloy 20 (optional)

Spring: Zinc-plated steel (standard) or

Inconel

X750 (optional)

Piston Ring: Polytetrauoroethylene (PTFE)

Pipe Plug: Steel (standard), 316 Stainless steel,

Hastelloy

C, Monel

or Alloy 20 (optional)

O-rings and Seals: Fluorocarbon (FKM) (standard),

Ethylenepropylene (EPR) or

Peruoroelastomer (FFKM) (optional)

Gaskets: Composition (standard) or Graphite (optional)

Type MR98H

Body: WCC steel (standard), CF8M Stainless steel,

Hastelloy

C, Monel

or Alloy 20 (optional)

Spring Case: WCC steel (standard) or

CF8M Stainless steel (optional)

Spring: Steel (standard), Stainless steel,

Inconel

X750 (optional)

Trim: 416 Stainless steel (standard),

316 Stainless steel, Hastelloy

C, Monel

Alloy 20 (optional)

Diaphragm: 302 Stainless steel (standard),

Ethylenepropylene (EPR), Hastelloy

C, Monel

Fluorocarbon

(3)

(FKM) (optional)

Diaphragm Protector: PTFE (optional)

Diaphragm Gaskets: Composition (standard)

or graphite (optional)

Seat: Fluorocarbon (FKM) (standard),

Ethylenepropylene (EPR) or

Peruoroelastomer (FFKM) (optional)

Adjusting Screw Sealing Washer for Pressure

Loaded Pilot: Fluorocarbon (FKM)

Mounting Parts

Restrictor: Steel (standard),

316 Stainless steel or Monel

(optional)

Tubing: Stainless steel (standard) or Monel

(optional)

Fittings: Steel (standard), 316 Stainless steel

or Monel

(optional)

Specications

This section lists the specications for Type 63EG-98HM relief valves or backpressure regulators. Factory specication is

stamped on the nameplate fastened on the regulator at the factory.

Hastelloy

C is a mark owned by Haynes International, Inc.

Inconel

and Monel

are marks owned by Special Metals Corporation.

1 2 3 4 5 6 7 8

Bulletin 71.4:63EG-98HM 2

Comments to this Manuals

No comments

Emerson 63EG-98HM Datasheet Page 2

Comments to this Manuals

Related products and manuals for Unknown Emerson 63EG-98HM