FORGED VALVES BELLOWS SEALED SW – NPT – BW – FLANGED
Type: Gate and Globe
Design Construction :
Up to class 1500 - API 602, BS 5352, NF M87.412
Class 2500 – ANSI B16.34
Testing according to API 598, BS 6755
Marking MSS SP25
Outside Screw and Yoke (OS&Y)
Secondary stem seal by stuffing box
Self aligning packing gland in two parts
Integral backseat
Top entry type for class 1500 and 2500
Grease nipple for stem nut
Socket Weld Ends according to ANSI B16.11
Screwed Ends according to ANSI B1.20.1
Butt Welding Ends according to ANSI B16.25
Flanges according to ANSI B16.5 – RF or RTJ type
Ratings: According to ANSI B16.34 classes: 150,300,600,1500,2500 lbs
According to API 602 class 800 lbs
Face to face: flanged valves according to ANSI B16.10
BW ends according to ANSI B16.10 or BFE standard
SW and screwed ends and class 4500 valves according to BFE standard
Body-Bonnet 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"
Globe valves with short bellow available on request