Emerson FISHER 657 Instruction Manual download pdf (Page 47)

Instruction Manual

D100394X012

EH (1-1/2x1 through 8x6)

December 2014

Key 6* Seat Ring and Key 7* Seat Ring Retainer for a NPS 4 or 6 Valve with Whisper Trim III Cage and Gasketed Seat

Ring Construction

VALVE

BODY

RATING,

CLASS

VALVE

SIZE,

NPS

PORT

DIAMETER

PART

DESCRIPTION

SEAT RING MATERIAL

S41600 (416 Stainless Steel) R30006 (Alloy 6)

SEAT RING RETAINER MATERIAL

mm Inches

S17400 (17-4PH Stainless Steel)

H1150, Electrolized

N07718

Electrolized

2500

4, 6 x 4 73.0 2.875

Seat Ring

Seat Ring Retainer

26A5293X012

26A5303X042

26A5293X032

26A5303X022

6, 8 x 6 111.1 4.375

Seat Ring

Seat Ring Retainer

26A5294X012

26A5304X042

26A5294X032

26A5304X022

Key 6* Seat Ring and Key 7* Seat Ring Retainer for a NPS 4 or 6 Valve with Whisper Trim III Cage and O-Ring Seat

Ring Construction

VALVE

BODY

RATING,

CLASS

VALVE

SIZE,

NPS

PORT

DIAMETER

PART

DESCRIPTION

SEAT RING MATERIAL

S41600 (416

Stainless Steel)

R30006

(Alloy 6)

R30006

(Alloy 6)

SEAT RING RETAINER MATERIAL

S17400

(17-4PH

Stainless

Steel) H1150,

Electrolized

N07718

Electrolized

S17400 (17-4PH

Stainless Steel)

H1150, Electrolized

For NACE

MR0175-2002

mm Inches

2500

4, 6 x 4 73.0 2.875

Seat Ring 27A2789X042 27A2789X022 27A2789X022

Seat Ring

Retainer

26A5303X042 26A5303X022 26A5303X042

6, 8 x 6 111.1 4.375

Seat Ring 27A2809X042 27A2809X022 27A2809X022

Seat Ring

Retainer

26A5304X042 26A5304X022 26A5304X042

Key 6* Seat Ring for Valve with Cavitrol III Trim and O-Ring Seat Ring Construction

VALVE SIZE,

NPS

VALVE BODY RATING,

CLASS

2-STAGE 3-STAGE

S44004/HT (440C

Stainless Steel)

S44004/HT (440C

Stainless S teel)

1-1/2 x 1, 2 x 1 2500 20B6726X032 ---

3x2 2500 20B6728X032 20B6727X032

3, 4 x 3 2500 20B6730X032 20B6729X032

4, 6 x 4 2500 20B6732X032 20B6731X032

6, 8 x 6 2500 20B6733X032 20B6733X032

Key 7* Seat Ring Retainer for Valve with Cavitrol III Trim, S17400 (17-4PH Stainless Steel) H1150 Electrolized

VALVE SIZE,

NPS

CL2500

2-Stage 3-Stage

1-1/2 x 1, 2 x 1

3x2

3, 4 x 3

4, 6 x 4

6, 8 x 6

27A2290X022

27A2318X022

27A4333X022

27A4375X022

27A4431X022

---

27A2327X022

27A4346X022

27A4386X022

27A4431X022

Key8*GraphitePistonRingforFisherEHDOnly(4req'dforNPS6and8x6ValvewithLevelDWhisperTrimCage;3

req'd for all other Valves)

VALVE SIZE,

NPS

PORT

DIAMETER

CL2500

-253_Cto426_C

(-425_Fto800_F)

427_C to 537_C

(801_Fto1000_F)

mm Inches

3x2

38.1

47.6

1.5

1.875

16A5481X012 16A5481X022

3, 4 x 3 58.7 2.3125 1U2258X0012 1U2258X0022

4, 6 x 4 73.0 2.875 1U2300X0012 1U2300X0022

6, 8 x 6 111.1 4.375 1U2392X0012 1U2392X0022

*Recommended spare parts

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Emerson FISHER 657 Instruction Manual Page 47

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