Wafer Dual Plate Lug Type

Overview

Check Valve is applicable for various pipelines with nominal pressure of PN1.0MPa~42.0 MPa,Class150~2500 and nominal diameter of DN15~1200mm,NPS1/2-48 and working temperature of -196~540℃ to be used for protecting from medium back flowing. The different materials selection can apply to the medium involving water, steam, oils, nitric acid, strong oxidizing medium and urea etc.

Details:

1. Design Standard: 
API 594 、API 6D 、API 6A

2. Flange Standard:  
ASME B16.5、ASME B16.47、API 605、API 6A
3. Test Standard:  
 API 598

4. Pressure Rating and Size: 
Class150  11/2”-80”(40-2000mm)、Class300  11/2”-60”(40-1500mm)、Class600  11/2”-48”(40-1200mm)、Class900  2”-48”(50-1200mm)、Class1500  2”-24”(50-600mm)、Class2500  2”-16”(50-400mm)、3000PSI  21/16-203/4”、 5000PSI  21/16-203/4”、 10000PSI  21/16-11”
5.Material Standard: 
ASTM A216 WCB/WCC、ASTM A105、ASTM A352 LCC/LCB 、ASTM 217 CA15、 WC6、WC9 、C5、C12、ASTM A351 CF8M、CF8、CF3M、CF3、CF8C、CN7M、F304、F316L、F304L、F321、F51、F53、F55、F6a、ASTM A494  CW6MC 、M35、ASTM B148 C95500、C95800、UNS S31254、UNS N26625、Hastelloy、Ti

API594, JB/T8937

API594,  API6D JB/T8937

JB/T74-90, GB/T13402,  HG/T20592-20635, SH3406, ANSI B16.5, API604, ASME B 16.47, DIN2543-2548

JB/T74, GB/T9124, HG20604-20625, ASME B16.34, DIN2401,SH3406

API598
    JB/T9092