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Butterfly Valve API 609 Category B

What does the American Standard Butterfly Valve API 609 Category B mean?

API 609 is the design standard for the American standard butterfly valve, which specifies the structure length is divided into Category A and B, in Chinese is the structure length of API 609 A butterfly valve and B butterfly valve, also called the body length. Also different in design/Inspection. Here we focus on Face to face of API609 Valve.

Butterfly valves are categorized according to their structure. Nowadays, there are more midline/center line butterfly valves and eccentric butterfly valves on the market. The standard length of the American standard butterfly valve used in the center line butterfly valve is the API 609 Class A butterfly valve. The eccentric butterfly valve is mainly a three-offset butterfly valve. The structure length standard adopted is the Class B butterfly valve regulated by API 609.
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Nickel Aluminum Bronze Butterfly Valve

Nickel Aluminum Bronze Butterfly Valve  NI-AL Bronze Butterfly valve

Double eccentric and Three eccentric Butterfly valve

Butterfly valve Seat: PTFE RPTFE NBR EPDM FPM Nylon

or    SS+PTFE SS+RPTFE SS+PEEK SS+graphite

SS can be 304 316 316L 304L  nickel Inconel Monel  Duplex steel Super Duplex teel F51 F53

High pressure 300LB 12 Lug wafer type butterfly valve RPTFE seat High performance

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Triple offset Butterfly Valve for Slovakia power plant

These DN600 PN6 Metal seated Butterfly valve are triple offset design with seal ring: ss+graphite Body material: A216 WCB Double flanged connection with special face to face:600mm. The butterfly are used for cooling water in slovakia power plant ~~. Total 16 pieces require shipment in 50 days.

Mark of casting : in body there will be :valve size, valve pressure, valve body material, valve heat no. valve flow direction.

DN600-PN6-butterfly-valve-casting-mark

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API609 Triple offset metal seated butterfly valve export to Middle east

V: Feb 28th, 2014  56 pieces 8″  and  12 pieces 10″ 150lb  API609 Lug type eccentric butterfly valve was ready for export to Middle east. These valves are mainly LCB body material and CF8M disc , 316 stem material, seat in SS316+GRAPHITE , multi layers seal ring. It was second lot for the client. The order was design and manufacture as per API standard, API 609; flange :API B16.5; face to face: API609; Inspection and test: API598; with perfect zeakage performance.

These valve are mainly for cooling system and will be installed forth week of April this year.

These butterfly valve has basic painting and drying for final painting.

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Lug type Eccentric API609 Butterfly valve with PTFE seated-German Valve

Last month, we successfully Execute an Germany PO-SG03113 though we delayed the delivery time due to imcompatible mold and Temporary PO change by end user. The first lot was delivered by air in client account. The second lot of order was delivery by express in SGV account.  Serious quality control was required. We believe we can do better next time.

Order requirement: It was serviced for cooling project in German

API609 design butterfly valve with gearbox operated PTFE seated. Painted with Epoxy Zinc. Continue reading “Lug type Eccentric API609 Butterfly valve with PTFE seated-German Valve”