Non Return Check Valve in Forged Steel F304 Flanged End to ANSI B
Check Valve PRODUCT INTRODUCTION
Check Valve Description
An important concept in check valves is the cracking pressure which
is the minimum differential upstream pressure between inlet and
outlet at which the valve will operate. Typically the check valve
is designed for and can therefore be specified for a specific
Design and manafacture: BS5352
End connection size:
Socket-weld dimension: ANSI B16.11
Screw thread dimension: ANSI B1.20.1
Butt-welding dimension: ANSI B16.25
Flange end dimension: ANSI B16.5
Valve inspection and test: API598
Material according to ANSI/ASTM
1. Constructions: OS&Y, Bolted Bonnet, Welded Bonnet &
Pressure Sealed Bonnet;
2. Port type: Full Port
3. Size Range: 1/2" to 2".
4. Pressure Ratings: ANSI 150LB, 300LB, 600LB, 900LB, 1500LB &
5. End Connections: Flanged
6. Materials Available in: A105, LF2, F5, F11, F22, F304, F316, F51
7. Various trim materials are available to suit different service
8. NACE MR 0175 on request
1. Pressure-temperature Ratings for Carbon Steel
CL150-285P.S.I @100° F
CL300-740P.S.I @100° F
CL600-1480P.S.I @100° F
CL800-1975P.S.I @100° F
CL1500-3705P.S.I @100° F
2. The Disc Type of Check Valve
Swing Type, Lifting Type, Ball Type Check Valve
3. Body and Bonnet Connection
Pressure seal bonnet
4. Cover Gasket Style
Stainless steel + flexible graphite wounded gasket
Metal gasket, Metal ring gasket, Pressure seal bonnet design
Metallic Seating Surfaces,For carbon steel check valve, the seat is
usually forged steel. The seat sealing surface may be spray-welded
with hard alloy if specified by the customer. For Stainless steel
check valve, integrai seat is usually adopted, or it can be
machined integrally after hard alloy welded.
6. Bore Type:
Full Bore (FB)
Valve Outline Size Drawing
Class 150 - 300 - 600LB
|Specification (NPS)||F.P||1/2||3/4||1||1 1/4||1 1/2||2|
|Face to face (mm)||CL150||L(RF)||108||118||127||140||16S||203|
|Flow port dimensions (mm)||d||10||13||17.5||23||30||35|
If you require other sizes and valve design standards, please send
email to firstname.lastname@example.org to get the drawing.
Valve Packing with Plywood
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