American Standard Check Valve

American Standard Check Valve

Purpose

This valve mainly used for Petroleum, chemical, thermal power plant and other various industrial pipeline and water supply and drainage system, can be installed in the pump outlet, in order to prevent the medium backflow to the harm of pump, The valve can be mounted to the line pipe, prevent the backflow medium. Applicable medium: water, oil, stem, etc.

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Features

  1. Reasonable structure, reliable performance, swing type flow resistance is small.
  2. Alloy seal face, disc food sealing effect, damping wear-resisting, low noise, long services life.
  3. depends on the flow of medium of the medium and automatically open and close the valve, with one-way.
  4. Prevent the medium backflow, Pump and drive motor reversal, and the discharge of the container medium.

Executive Standard

  • Design and manufacturing standard: API6D, API594, MSS-SP42.
  • Flanged connection dimension: ANSI B16.5, MSS-SP44.
  • Test And Inspection: API 598.

Performance Range
PN
150Lb
300Lb
400Lb
600Lb




MPa
Strength Test
3.0
7.5
10.0
16.5
Sealing Test
2.2
5.5
7.5
12.1
Applicable Temperature
≤ 425
≤ 200
≤ 200
≤ 540
°C
Body Material
WCB(C)
Cf8(P)
CF8M(R)
WC6, WC9(V)
Suitable Medium
Water, Steam, Oil
Acid, Alkali and Corrosive Medium
Water, Steam

Main dimensions
DN
50
65
80
100
150
200
250
300





L
150Lb
203
216
241
292
356
495
622
699
300Lb
267
292
318
356
445
533
622
711
400Lb
292
330
356
406
495
597
673
762
600Lb
292
330
356
432
559
660
787
838






H
150Lb
161
187
190
220
257
292
350
398
300Lb
179.5
190
212.4
246
292
328
378.6
420
400Lb
192
203
220
245
295
330
380
425
600Lb
203
229
235
286
330
381
457
584

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