Inch Size Weld Non-return Valve
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Everfit Technology CO., LTD.(EFT) es uno de los fabricantes de accesorios para tuberías de acero inoxidable con sede en Taiwán con más de 36 años de experiencia.EFTproporciona accesorios para tuberías de acero inoxidable 316, 316Ti, reductores de tuberías, reductores de tuberías excéntricas, bombas de vacío, actuadores de válvulas: certificación ISO, EN11435, DNV, TSSA CRN, BPE, 3-A SSI.
Inch Size Weld Non-return Valve | Inch Size Weld Non-return Valve
Fig 1. Non-return valve
Flow directionFig.3. Show the optimal built-in situation.Other positions permitted are e.g.horizonal.The four guide legs of the valve coneensures good alignment.
Pressure drop/capacity diagramFig.2 NOTE For the following applies:Medium:Water(20°C)Measurement:In accordance with VDI 2173
Inch Size Weld Non-return ValveDesignación
NO | NAME |
---|
1 | Body |
2 | Disc |
3 | Seal Ring |
4 | Spring |
5 | Plate |
6 | Ring |
7 | Clamp |
Fecha técnica
- Required differential pressure for opening the valve when fitted in a vertical pipe, as shown in fig.3, is approx. 6kpa(0.06bar).
- Max. product pressure: 1000kpa(10bar).
- Max. temperature: 140°C(EPDM).
- Min. temperature: -10°C.
Materiales
- Steel parts: Stainless steel AISI 304 or acid-resistant steel AISI 316l.
- Seal ring: EPDM rubber.
- Finish: Semi bright.
Connections
- The valve is available with welding ends for
tubes according to 3A,SMS,BS,DIN 11850.
Opciones
- Material grades
- A) Product wetted seal rings of nitrile(NBR) or Fluorinated rubber (FPM).
Realizar pedidos
- Please state the following when ordering:
- Size.
- Steel garde, AISI 304 or AISI 316L.
- Rubber garde if not EPDM.
Especificación
Inch Size Weld Non-return Valve
Size | ID
mm | OD
mm | L1
mm | L2
mm |
---|
1/2" | 9.5 | 12.7 | 30 | 45 |
3/4" | 15.8 | 19.05 | 30 | 45 |
1.0" | 22.1 | 25.4 | 23.5 | 35 |
1.5" | 34.8 | 38.1 | 28.5 | 45 |
2.0" | 47.5 | 50.8 | 28.5 | 45 |
2.5" | 60.3 | 63.5 | 28.5 | 45 |
3.0" | 72.9 | 76.2 | 28.5 | 45 |
4.0" | 97.6 | 101.6 | 42 | 75 |