API swing check valve-Product Center-SUZHOU AQV VALVES CO., LTD-

Name:	API 6D / BS 1868 Swing check valve
Size Range:	2” - 30”
Face to Face:	ASME B16.10
End Flange:	ANSI B 16.5 from 2” to 24”, ANSI B 16.47 from 26”
BW end:	ANSI B16.25
Test Standard:	API-598, BS EN ISO 12266 PART 1
Suitable Medium:	Petroleum, Gas, Oil

Product Description

The steel flanged swing check valves according to API6D are pipeline valves, automatically preventing a working medium from the back flow. The swing check valves are used for: noncorrosive fluids, water, steam, gas, oil, petroleum and petroleum products.

Quality System

Testing: MSA, a.s. executes the whole range of special tests which verify the properties of valves as following;

Pressure testing: All pressure tests are executed according to API 598, API 600, API 6D and DIN 3230. MSA, a.s. also performs standardlly the special tests according to API 6D. A criterium for acceptance is zero permeability.

Fire testing: Fire test is executed at MSA, a.s. according to standard API 6FD, API 607 and BS 6755 part 2, for pressure clasee 150, 300, 600, 900 and 1500.

Seal testing: Test of seal strenght is executed with methan.

Cycle testing: 3, 000 cycles (open-close) with water.

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