VALVES
CHECK VALVES
Design construction:
-Up to class 1500 -BS 5352, NF M87.412
-Class 2500 and 4500 - ANSI B16.34
-Testing according to API 598, BS 6755
-Marking MSS SP25
-Closure member type: full guided piston or ball, swing
-Spring only on request
-Socket Weld Ends according to ANSI B16.11
-Screwed Ends according to ANSI B1.20.1
-Butt Welding Ends according to ANSI B16.25
-Face to face: BW ends according to ANSI B16.10
-SW and screwed ends and class 4500 valves
-Ratings: According to ANSI B16.34 classes: 150,300,600,1500,2500,4500 lbs
-According to API 602 class 800 lbs
-Pattern: straight or “y” type
-Body-Cap joint: welded, screwed and seal welded
-bolted with spiral-wound gasket retained type or oval ring joint gasket
-Port opening: Full or Reduced Bore
-Size 1/4" to 2"