FX-LT942X Piston type flow control valve is composed of the main valve and the external needle valve, pilot valve, conduit and pressure gauge, etc., which evolve into remote floating ball valves, pressure reducing valves, pressure relief valves, slow-closing check valves, and flow control valves with different functions in different places. , Fixed water level valve, emergency shut-off valve, etc.
Model preparation method（LT942X ）
LT--------------Valve category; LT-flow regulating valve
9---------------- Drive mode: 3-manual; 9-electric
4----------------Connection form: 4--flange connection
2----------------Structural form: 1-common type; 2-piston slide type; 3-internal bevel gear drive type
X-----------------Sealing material: X-nitrile rubber; F-fluorine rubber
10---------------Nominal pressure: its value is ten times of the nominal pressure MPa
Q------------------Valve material: Q--Nodular cast iron; C--Stainless steel sealing material:
| Nominal pressure（MPa） | Nominal diameter（mm) | test pressure （MPa) | Applicable medium | Applicable temperature | |
| case | Seal | ||||
| 0.25 | 400-2000 | 0.375 | 0.275 | Water, hot water, etc. |
0℃-80℃ |
| 0.6 | 200-1600 | 0.9 | 0.66 | ||
| 1.0 | 200-1600 | 1.5 | 1.1 | ||
| 1.6 | 200-1200 | 2.4 | 1.76 | ||
| Pressure test | Flange link size |
| GB/T13927 | GB4216.2-4216.5、GB/T17241.6 |
The main connection dimensions of FX-LT942X Piston type Flow Control Valve unit:mm
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Material and description of main parts and components of Piston type flow regulating valve |
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Part Name |
Material name |
Part Name |
Material name |
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Valve body, end cover, connecting rod frame, flange pipe, crank |
QT450-10 |
Bearing |
ZCuAI 10Fe3、ZCuZn38Mn2Pb2 |
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Valve stem, pin shaft, piston |
2Cr13、1Cr18Ni9Ti |
Filler |
NBR or EPDM |
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Valve body sealing ring |
1Cr18Ni9Ti |
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Piston sealing ring |
NBR or EPDM |
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connecting rod |
QT450-10 |
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1. If the customer has special requirements for the product, the following instructions must be provided in the order contract:
(a).Structure length; (b) Connection Type; (c) Nominal diameter;
(d) Product use medium and temperature and pressure range;
(e) Test, inspection standards and other requirements.
2. Our factory can assemble various driving devices according to customer requirements.
3. If the customer needs to customize a special valve, the meaning and requirements of the model should be correctly explained, and the contract should be signed under the conditions that the supplier and the buyer understand the same.
4. For futures and order customers, please call us and tell us the required valve model, specification, quantity, delivery time and location in detail. And prepay 50% of the total contract amount for the preparation of production materials.
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