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Welded Type Desuperheating Water Control Valve 25mm 32mm 40mm 50mm 80mm

Product Details

Place of Origin: China

Brand Name: WEYO

Model Number: HTN

Payment & Shipping Terms

Minimum Order Quantity: Negotiable

Price: Based on oroiect reauirements

Packaging Details: Customized packaging to protect products

Delivery Time: 7 - 15 days for small orders, 15 - 30 days for large orders

Payment Terms: L/C, T/T

Supply Ability: 5000 units per month for small parts. 1000 units per month for large parts

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Product Details

Product Description

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                                                                                                                                                                                    Welded water control valve, Desuperheating water control valve, 25mm water flow control valve
                      

Type:	Cast Angle-type Or "Z"-type Valve Body	Nominal Diameter:	25, 32, 40, 50, 80mm
Nominal Pressure:	ANSI 1500, 2500 Or PN25, 32MPa	Connection Type:	Welded Type
Material:	20# Forged Steel Or Stainless Steel	Upper Valve Bonnet:	Normal Temperature Type ≤350℃

Type:	Cast Angle-type Or "Z"-type Valve Body
Nominal Diameter:	25, 32, 40, 50, 80mm
Nominal Pressure:	ANSI 1500, 2500 Or PN25, 32MPa
Connection Type:	Welded Type
Material:	20# Forged Steel Or Stainless Steel
Upper Valve Bonnet:	Normal Temperature Type ≤350℃

Welded Type Desuperheating Water Control Valve 25mm 32mm 40mm 50mm 80mm

HTN Desuperheating Water Control Valve

The HTN desuperheating water control valve is a cavitation-preventing multi-stage throttling control valve, also known as a high-differential pressure control valve. It is a novel-structured patented product in China. This valve is mainly used in power plants with units ≤600,000 KW to control the flow of spray desuperheating water for boiler main steam and reheat steam. It can also be applied in the petroleum and chemical industries to control the flow of high-pressure liquids.

The HTN desuperheating water control valve has the following advantages:

The fluid is depressurized step by step, and its direction changes continuously, which increases the flow resistance, controls the flow velocity, prevents cavitation damage, and allows a pressure difference of 15MPa inside the valve.
Multi-stage throttling: 4-stage throttling at large flow rates and 5-stage throttling at small flow rates, reducing flow erosion and abrasion.
The throttling surface is separated from the sealing surface. The surfaces of the valve core and valve core sleeve are hardened to a hardness of approximately HRC70, ensuring tight closure and a long service life.
The surface of the valve core is provided with large notches, so even if the fluid contains solid particles such as 2-3mm welding slag, the valve core will not get stuck and can move flexibly.
It has excellent flow regulation performance and a wide adjustment range (about 60-70%).

Welded Type Desuperheating Water Control Valve 25mm 32mm 40mm 50mm 80mm 0

Cv value and stroke
Nominal diameter (mm)	25			32			40			50			80
Cv value	4.3	5.5	6.9	5.4	7	8.8	7.6	10	12.4	13	16	18	18.7	25.7	32.8
rated stroke (mm)	20						25						38

Outline Dimension Table of Valve Body Assembly
Nominal diameter	A	B	T	H1	HA4 actuator		remarks
Nominal diameter	A	B	T	H1	H2	H3	H2	H3
25	167	175	217	37	383	158	electric actuator Equipped according to customer requirements
32	167	175	235	40	400	158
40	167	180	270	50	429	165
50	187	200	270	50	429	165
80	211	207	390	80	577202 is equipped with VP5		581107 is equipped with ZSB3512

Attachment: A. The overall dimensions and connection dimensions of the HA actuator are as shown in the figure below. Unit: mm
Actuator	stroke	L	H	φd	t	K thread	φB	C	diaphragm area (m²)	weight (Kg)
HA3D	25	196	459	80	30	M14×1.5	350	363	550	31
HA4D	25	202	612	90	35	M18×1.5	470	520	950	68
HA4D	38.4	215	612	90	35	M18×1.5	470	520	950	68

Installation method:

Vertical installation. There are two types of relative positions between the inlet pipe and the outlet pipe, as shown in the figure below:

Welded Type Desuperheating Water Control Valve 25mm 32mm 40mm 50mm 80mm 1

Ordering Information

Model
Medium name and inlet temperature
A. For power plants: Provide the unit capacity, and the process parameters of primary and secondary temperature reduction, such as inlet pressure, outlet pressure, maximum flow rate, and pressure difference at maximum flow rate. If there is a reheater, provide the process parameters of the reheater.
B. For other users: Inlet pressure, outlet pressure, maximum flow rate, and pressure difference at maximum flow rate
Pneumatic or electric actuator (0-10mADC or 4-20mADC)
Accessories
Relative position of inlet pipe and outlet pipe (choose one from A, B, C, D)
Dimensions of the connecting pipes between the control valve and the inlet and outlet
Special requirements: If the user specifies to use an actuator from a certain manufacturer, please indicate it when placing the order. The actuator can be provided by the user or purchased by our company.

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