MSS SP-88 , استاندارد ولوهای دیافراگمی

دانلود استاندارد MSS SP-88 ویرایشهای جدید و قدیمی (استاندارد متریال برای شیرآلات دیافراگمی سیستم پایپینگ)

MSS SP-88 : Diaphragm Valves

فهرست استاندارد :

SECTION
PURPOSE
1 SCOPE
2 PRESSURE-TEMPERATURE RATINGS
3 DIAPHRAGMS
4 BODY-BONNET JOINTS
5 BODY MATERIALS
6 BONNETS
7 BODY FACE-TO-FACE DIMENSIONS
8 BODY END CONNECTIONS AND WALL THICKNESS
9 ACTUATOR APPLICATION REQUIREMENTS
10 SHELL TESTS
11 SEAT TESTS
12 MARKING

TABLE
A1 Maximum Service Pressure-Ratings at 1 00 °F (38 °C) for Category B Valves
(Standard Valves Section 2.2)
A2 Commonly Used Face-to-Face Dimensions of Flanged Diaphragm Valves
A3 Standards Applicable to Body Wall Thickness and the Dimensions of Threaded, Flanged, and Butt Weld Body End Connections (Category A and Category B Valves Only) A4 Body Material Standards
A5 Test Durations and Test Pressures Based on Diaphragm Maximum Service Pressure Ratings
Shown in Table A1

ANNEX
A Tables
B Referenced Standards and Applicable Dates