Keystone Model MB Owner's Manual

KEYSTONE MODEL MB WAFER DUAL PLATED CHECK VALVES

MODEL CODE OPTIONS AND DESCRIPTIONS - NORTH AMERICA ONLY

MB 0050 W3 A0 00 A0 CA S10 S1 N1 00 S0 0 0 - NP1 TPZ

SIZE

Code

0300

0350

0400

0450

0500

0600

0750

0900

0050

0065

0080

0100

0125

0150

0200

0250

1050

1200

ZZZZ

MODEL / SERIES

Code Description

MB Model MB, Dual plate, Spring loaded

Description

DN 50 / NPS 2

DN 65 / NPS 2½

DN 80 / NPS 3

DN 100 / NPS 4

DN 125 / NPS 5

DN 150 / NPS 6

DN 200 / NPS 8

DN 250 / NPS 10

DN 300 / NPS 12

DN 350 / NPS 14

DN 400 / NPS 16

DN 450 / NPS 18

DN 500 / NPS 20

DN 600 / NPS 24

DN 750 / NPS 30

DN 900 / NPS 36

DN 1050 / NPS 42

DN 1200 / NPS 48

Special

END CONNECTION

Code Description

L7

LJ

F3

W3

W7

WJ

L3

R3

RJ

ZZ

Wafer - Raised Face - 125 to 250 AARH

Wafer - Flat Face - 125 to 250 AARH

Wafer - Ring Type Joint (RTJ)

Lugged - Raised Face -

125 to 250 AARH

Lugged - Flat Face - 125 to 250 AARH

Lugged - Ring Type Joint (RTJ)

Flange - ASME Flat Face (FF) -

125 to 250 AARH

Flange - ASME Raised Face (RF) -

125 to 250 AARH

Flange - Ring Type Joint (RTJ)

Special

DRILLING / SCHEDULE

A4

A5

A6

Code

A0

A2

A3

Description

ASME 125/150

ASME 300

ASME 600

ASME 900

ASME 1500

ASME 2500

FACE TO FACE

Code

00

ZZ

Description

Standard (Refer to Product Literature)

Special

Emerson.com/FinalControl © 2019 Emerson. All Rights Reserved.

VCREF-13359-EN 20/06

KEYSTONE MODEL MB WAFER DUAL PLATED CHECK VALVES

MODEL CODE OPTIONS AND DESCRIPTIONS - NORTH AMERICA ONLY

MB 0050 W3 A0 00 A0 CA S10 S1 N1 00 S0 0 0 NP1 TPZ

PRESSURE RATING

A4

A5

A6

ZZ

Code

A0

A1

BB

A2

A3

Description

ASME 125

ASME 150

ASME 250

ASME 300

ASME 600

ASME 900

ASME 1500

ASME 2500

Pressure Rating not Specified

BODY MATERIAL

Code

CA

D3

SE

ZZ

Description

Carbon Steel A216 WCB

Ductile Iron A395 60-40-18

Stainless Steel A351 CF8M

Special

STEM MATERIAL

Code

S1

S0

M2

A0

ZZ

DISC MATERIAL

Code Description

S10

S00

M00

A30

ZZZ

Stainless Steel 304

Stainless Steel 316

Monel A494 M35-1 (UNS N24135)

Aluminum Bronze B148 C95200

Special

NOTE

Consult your local Emerson representative for additional options.

Description

Stainless Steel 304

Stainless Steel 316

Monel 400

Aluminum Bronze

Special

SPRING TYPE

Code

S0

E5

M0

E0

ZZ

Description

Stainless Steel 316

Inconel X750

Monel

Inconel

Special

SEAT MATERIAL

Code Description

N1

P0

T0

F0

ME

M5

E3

ZZ

NBR

Neoprene

PTFE

FKM - A

316 SS overlay

316 SS

EPDM

Special

SEALING MATERIAL

Code Description

00 Standard (Refer to Product Literature)

OPERATOR MOUNTING TYPE

Code

0

Description

Not Applicable

ACTUATION TYPE

Code

0

Description

Not Applicable

OPTIONAL FEATURES

Code

NP1

TPZ

Description

Additional 316 Stainless Steel Tag

Special Hydrostatic Test Report

NOTE

For the full list of optional features, consult your local

Emerson representative.

© 2019, 2020 Emerson Electric Co. All rights reserved 06/20. Keystone is a mark owned by one of the companies in the Emerson Automation Solutions business unit of

Emerson Electric Co. The Emerson logo is a trademark and service mark of Emerson Electric Co. All other marks are the property of their prospective owners.

The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they are not to be construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. All sales are governed by our terms and conditions, which are available upon request. We reserve the right to modify or improve the designs or specifications of such products at any time without notice.

Emerson Electric Co. does not assume responsibility for the selection, use or maintenance of any product. Responsibility for proper selection, use and maintenance of any

Emerson Electric Co. product remains solely with the purchaser.

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