GE Globe Control Valves masoneilan 28000 series Service Manual download pdf (Page 6)

6 | GE Energy

Materials* (Standard and NACE Construction)

(1)

Ref.

No.

Temperature Range

Description Standard Materials (Optional Materials) NACE Materials

1 Body

316L St. St. ASTM A182 Gr. F 316L (forging)

22 HRC Max.

316L St. St. ASTM A351 Gr. CF3M (casting)

Optional: Monel

, Hastelloy

C, Alloy 20

2 Seat

17-4 PH St. St. ASTM A564 Gr. 630 Condition H900

(Max CV ≥ 0.10, trims No. 0 to 5)

MONEL K 500 35 HRC Max.

Solid Stellite

No. 6

or Equivalent

(Max C

≤ 0.05, trims No. 6 to 9)

35 HRC Max.

Optional: 440C St. St. Monel

, Hastelloy

C, Alloy 20

Plug and

Stem S/A

Plug Solid Stellite

No. 6

or Equivalent

(Max C

>_ 0.10, trims No. 0 to 5)

22 HRC Max.

Stem 316 St. St. (Max C

>_ 0.10, trims No. 0 to 5)

One Piece Solid Stellite No. 12 or Equivalent

(Max C

≤ 0.05, trims No. 6 to 9)

Optional: 440C St. St., Monel

, Hastelloy

C, Alloy 20

4 Seat Ring Gasket

316 St. St. with Flexible Graphite Filler (Spiral Wound) with

316 St. St. inserts

PTFE Fiberglass Reinforced

5 Seat Ring Retainer 17-4 PH St. St. ASTM A564 Gr. 630 Condition H1075 MONEL K 500 35 HRC Max.

6 Packing

PTFE (standard up to

ASME Class 1500)

PTFE (standard up to

ASME Class 1500)

Lattyﬂon

(with optional Viton

O-rings)

Lattyﬂon

(with optional

Viton

O-rings)

7 Packing Follower 303 St. St. ASTM A582 TY 303 ASTM A479 TY 304 22 HRC Max.

8 Packing Spacer 316 St. St. ASTM A479 TY 316 22 HRC Max.

9 Packing Flange 304 St. St. AISI 304 ASTM A743 Gr. CF8 22 HRC Max.

10 Packing Flange Studs 304 St. St. ASTM A193 Gr. B8

304 St. St. ASTM A193 Gr. B8

(Class III)

304 St. St. ASTM A193 Gr. B8

(Class I or II) 22 HRC Max.

11 Packing Flange Nuts 304 St. St. ASTM A193 Gr. 8

304 St. St. ASTM A194 Gr. 8

(Class III)

304 St. St. ASTM A194 Gr. 8A

(Class I or II) 22 HRC Max.

12 Safety Pin 316 St. St. ASTM A479 TY 316 22 HRC Max.

13 C

Adjustment Knob Stainless Steel Stainless Steel

14 Actuator Cover

Polycarbonate Polycarbonate

Optional: Stainless Steel Optional: Stainless Steel

15 Handwheel (optional) Lexan

+ Austenitic St. St. Lexan

+ Austenitic St. St.

(1) Materials and processes in accordance with the requirements of NACE speciﬁcation MR0103.

Applications requiring compliance to MR0175, 2003 Rev. or ISO 15156 would require engineering review.

(2) Materials designated for these parts conform to NACE Class III bolting requirements.

(3) Materials designated for these parts conform to NACE Class I or Class II bolting requirements.

(4) Consult GE for NACE Applications above ASME Class 600 rating.

Material not applicable

Materials of Construction

-320°F

-196°C

+450°F

+232°C

+650°F

+343°C

-20°F

-29°C

+450°F

+232°C

* Materials noted throughout this text are for reference only. GE reserves the right to supply trade name material or equivalent

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GE Globe Control Valves masoneilan 28000 series Service Manual Page 6

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