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LDM Valve--Control valves and fail-safe action valves

LDM Valve--Control valves and fail-safe action valves

LDM Valve LDM high performance single seat valve, G92 valve is a high performance single seat valve, which can be driven by both electric / pneumatic rotary actuator.

Description

LDM Valve

LDM high performance single seat valve, G92 valve is a high performance single seat valve, which can be driven by both electric / pneumatic rotary actuator.

Product Code: 2014516152929

Application
As a control valve, the LDM valve is applied to the need of moving water pressure from the maximum value to the minimum or the opposite conditions. The maximum working pressure is in compliance with EN 12 516-1. Higher temperature condition use must be approved by the manufacturer.
Process medium: This valve is designed to regulate the flow and pressure of water and steam. In specific working conditions (pressure ratio P1/P2, flush, greater than the critical flow rate, etc.), the maximum pressure difference of this valve is 20,0MPa.

Installation

This valve can ONLY be installed in vertical position with connection of actuator nut and the actuator must be installed above the valve body. The valve installation must make the medium flow and the arrow on the valve body in the same direction. Considering the valve disassembly, we suggest leave 500 cm above the valve body for easy removal of inner part. For safe operation, there should be no elbow behind the valve with at least 2000mm.

Technical data

Series

G92  225 2499

Valve type

Control valve, welding end

Nominal diameter

150

Nominal pressure

400

Body material

alloy steel 1.7357

Welding end material

alloy steel 1.7357

Ambient medium temperature

-20 to 550

Connection standard

ČSN 13 1070

Valve inner parts type

Special   valve-Piston valve ball

Flow characteristics

As per ČSN 13 4509-1 equal percentage

Flow area

63

Kvs

191

Leakage level

As per ČSN EN 1349 (5/2001),IV

Note : After manufacturer approval, it can be produced in accordance with effective SN 131075 (3/1991) or SN EN12 627 (8/2000) standard connection

 

Maximum allowable working pressure, refer to EN 1256-1 [Mpa] 

Material

PN

Temperature℃

200

250

300

350

400

450

500

550

Alloy steel 1.7357

400

37.4

35.7

33.3

30.9

28.9

26.7

22.3

8.8



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