Non Return Valve - Forbes Marshall · Non Return Valve Swing Check . ... •Meet design requirement of ASME B16.34 / BS 1868 / API 6D / IBR and testing requirement of API 6D / BS

Non Return ValveSwing Check

Forbes Marshall is a leader in the area of process efficiency and energy conservation for the process industry. We have

sixty years of experience building steam engineering and control instrumentation solutions with focussed investments

in manufacturing and research and development. We deliver quality solutions in 18 countries. Forbes Marshall is

unique in having extensive expertise in both steam and control instrumentation. This dual expertise has allowed us to

engineer industry specific systems that focus on energy efficiency, environment and process efficiency for diverse

sectors.

Our teams are peopled by some of the finest engineers in the land. These highly trained professionals have developed

innovative solutions and saved millions of rupees in process costs for our clients. Our business practices and processes

have combined into a singular philosophy of being trusted partners who provide innovative solutions. It's a philosophy

we are proud to live up to.

We have long standing partnerships with some of the best names in the control instrumentation industry such as Arca,

Codel, Krohne and Shinkawa, to develop, design and supply innovative solutions for measurement and monitoring of

process parameters. With a combination of specialist knowledge and the latest technology, we provide products and

solutions to achieve optimum efficiency. Our products are a unique combination of hardware and software that make

them reliable and accurate.

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‘FM’ Non Return valves are reliable for reverse flow

prevention in Oil and Gas, Refinery, Power Sectors and

protecting equipment & processes in general industries.

Non Return valves

Cast Steel Bolted Cover

• Flanged end or buttwelding end

• Tilting disc design available

• Renewable, seal welded seat ring or integral seal (cast S.S. only) available

• Optional counter weight, lever and dashpot arrangement available

• Meet design requirement of ASME B16.34 / BS 1868 / API 6D / IBR and testing requirement of API 6D / BS EN 12266-1 / API 598

• Flanged end dimensions conform to ASME B16.5 / API 605 / BS 3293

• Ring joint facings available in higher classes

• Buttweld end dimensions conform to ASME B16.25

• Face to Face dimensions conform to ASME B16.10 / BS2080

• Meets requirement of NACE MR-01-75

Features

Materials

Higher sizes are provided with dashpot arrangement to control the movement of the disc in order to avoid slamming and water hammer.

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6

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5

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10

9

11

8

3

12

3

Cast Steel Pressure Seal Cover

Materials

• Flanged end or buttwelding end

• Tilting disc design available

• Renewable, seal welded seat ring or integral seal (cast S.S. only) available

• Optional counter weight, lever and dashpot arrangement available

• Gasket design ensures self sealing under pressure

• Meet design requirement of ASME B16.34 / BS 1868 / API 6D / IBR and testing requirement of API 6D / BS EN 12266-1 / API 598

• Flanged end conforms to ASME B16.5 / API 605 / BS 3293

• Face to Face dimensions conform to ASME B16.10 / BS2080

• Ring joint facings available in higher pressure ratings

• Buttweld end dimensions conform to ASME B16.25

• Meets requirement of NACE MR-01-75

Features

Absorbs thrust applied by internal pressure

Protects the Soft Metallic gasket from deformation

: Unique angular design provides superior sealing

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68

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Dimensions

Cast Steel Bolted Bonnet

Class 300 & 600

L, L1

H

L, L1

H

Class 150

Cast Steel Pressure Seal Cover

Class 900, 1500 & 2500

L, L1

H

Class 900, 1500 & 2500

L, L1

H

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Nominal Seating Surface Materials

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Range of Shell Material and MaterialRecommended Trim

Exploded view

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Bracket Stud & Nut

Hinge Bracket

Hinge Pin

Hinge

Stud & Nut

Cover

Disc Nut

Washer

Disc Seat Ring

Gasket

Body

• Refineries

• Petrochemicals

• Power

•

• Paper

• Chemical

Sugar • N

• Oil and Gas

• Steel

uclear

and many more....

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www.forbesmarshall.com

Forbes Marshall Pvt. Ltd.A-34/35, MIDC, Industrial Estate, ‘H’ Block, Pimpri, Pune - 411 018. India.Tel.: 91(0)20 - 27442020Fax: 91(0)20 - 27442040 E-mail: [email protected]

Domestic:Ahmedabad, Alibag, Bangalore, Bhopal / Indore, Chandigarh, Chennai, Coimbatore, Delhi, Hyderabad, Jamshedpur, Kolkata, Mumbai, Nagpur, Navi Mumbai, Surat, Trichy, Vadodara, Visakhapatanam

International Operations: [email protected], Bolivia, Canada, Chile, Columbia, Egypt, Indonesia, Kenya, Malaysia, Nepal, Peru, Singapore, Sri Lanka, Thailand, U.A.E., USA, Venezuela