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MSS SP-68-2017

$31.20

High Pressure Butterfly Valves with Offset Design

Published By Publication Date Number of Pages
MSS 2017-05-01 14
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Full Description

SCOPE

1.1 This Standard Practice covers design requirements, test performance, marking requirements, and
nomenclature for butterfly valves designed for high pressure performance, having a seat plane offset
from the plane of the stem centerline.

1.2 This Standard Practice covers flangeless (wafer-type) and single flanged (lug-type) body designs,
compatible with ASME B16.5 flanges for sizes NPS 3 (DN 80) through NPS 24 (DN 600) and ASME B16.47
Series A flanges for sizes NPS 30 (DN 750) through NPS 48 (DN 1200). Reference Tables 1 and 2.

1.3 This Standard Practice covers valves having body pressure temperature ratings in accordance with
ASME B16.34.

1.4 Definitions may be found in MSS SP-96

MSS SP-68-2017
$31.20