typical ball valve material.pdf

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Typical ball valve material selection

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Yesterday, 03:18 PM

Typical ball valve material selection

Typical Ball Valve Material Selection

Material

Type

Body Ball Stem Seat

Ring

Carbon

Steel

ASTM A352

gr. LCC (Low

Temp CS), A-216 WCB, A-

216 WCC

316 S.S 316 S.S 316 S.S

Stainless

Steel

316 S.S 316 S.S 316 S.S 316 S.S

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Patricia G. Morrow

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3/26/2013http://www.instreng.com/instrumentation-selection-calculations/435-typical-ball-valve-mat...

Incoloy or

Inconel

UNS N08825 or A-350 LF2,

A-216 WCB

with UNS

N06625 Overlay

UNS N06625

UNS N07718

UNS N06625

Bronze BRONZE

(UNS C95800)

BRONZE

(UNS C95800)

BRONZE

(UNS C95800)

BRONZE

(UNS C95800)

Duplex

& Super Duplex

ASTM A890

GR. 4A (UNS J92205)

(Duplex~22%

Cr), ASTM

A182 GR. F53 (UNS

S32750) or

F55 (UNS S32760)

(Super

Duplex~25%

Cr)

ASTM

A182- F51,

F53,

F55

ASTM

A276 UNS

S31803,

S32750,

S32760

ASTM

A182- F51,

F53,

F55

6 Moly

SS

UNS S31254

(6 Moly

Stainless

Steel)

UNS

S31254

UNS

S31254

UNS

S31254

Notes:

1. Piping class shall be used as a reference to select ball valve material with its related pressure and temperature

ratings. The above ball valves material selection is for

information and indicative only.

2. All material that will be used in sour or corrosive

application shall follow the limitation stated in the NACE

MR 0175 standards.

3. The usage of 316 SS, duplex, and its families shall take

into account a chloride content of the service fluid since

these materials is having a strict limitation to use under such conditions.

4. Seat insert material shall be selected as per valve

manufacturer recommendation based on service temperature, pressure, and fluid compatibility.

5. Metal seated ball valves (ball valve with metal seat ring only without seat insert) is recommended for dirty fluid

application such as multiphase well fluid, crude oil, etc or

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any application that the seat insert material can’t be used anymore due to very abrasives or high temperature

services.

6. Cast and forged material are interchangeable.

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