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WZ503V self-operated pressure regulating valve

WZ503V self-operated pressure regulating valve

WZ503V series self-pressure regulating valve is a kind of self-pressure control valve which relies on the pressure of the medium itself and does not need external energy for self-control. It is used for pressure control devices of medium such as gas, liquid and steam temperature (≤ 350 ℃).

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Product classification

WZ series regulating valve products

Key words:

SMAK

Product Details

WZ503V

Self-operated pressure regulating valve

Self-operatde Regulatiug Valve

Product overview

Product Features

Maintenance-free, medium self-pressure control, no need for external energy, significant energy-saving effect, stainless steel bellows pressure balance, small imbalance force, high sensitivity, support for a wide range of internal pressure and external pressure set points, can be easily adjusted by adjusting nuts, set points, actuators and springs can be randomly assembled, thus realizing a variety of adjustment models for high sealing requirements, using soft seal valve core standard low noise valve core one by one for higher noise reduction requirements, special models with noise reducer can be used with standard modular design, high level of three, through the assembly, can be a number of combination control.

Standard technical parameters

Valve body

Type: fluid pressure balance core
Nominal diameter: DN 15250mm 3/4 "~ 10"
Rated pressure: PN10, PN16, PN25, PN40, ANSI 150 300
Connection form: ANSI GB JB HG JPI JIS DIN welding (to be specified by the user)
Flange standard: ANSI GB JB HG JPI JIS DIN
Sealing surface type: RF RJ FF RM flange connection
Flange end face distance: as GB12221-89
Material: NCB CF3 CF8
Inner parts material: WCB 304 316 304L 316L 17-4PH

Valve trim

Spool: hard seal: 304 316
Soft seal: FKM
Seat: CF8 CF8M
Stem: 304 316

Bonnet

Built-in pressure balance mechanism, consisting:
DN15-125
By the combination of bellows balance spring.
DN150-250
It is combined by a balance spring.
The adjustment mechanism and the actuator are combined by the "connecting nut", which is very convenient for disassembly and assembly.

implementing agency

Membrane cassette:
The upper and lower membrane covers are stamped from steel plate
Diaphragm and O-ring are all made of high quality FKM material
Four types of actuators can meet the requirements of different working conditions
To set the spring:
Easy to disassemble and replace, easy to adjust
Can provide a variety of pressure setting model country
Special Type:
New crack indicating device with leaking pipe joint or double diaphragm
For the working environment with special cleanliness requirements, when using gas and steam media without lubricating oil and grease, such as those with special low requirements
The valve of the noise damper should be used when the noise is manic.
PTFE diaphragm can be provided for those with special anti-corrosion requirements.

Surface structure-effect product (cm²)	Post-valve pressure control range (MPa)			Applicable nominal diameter range DN	To ensure that the pressure valve is normal, the lowest pressure difference △Pmix(MPa)	Allowable minimum pressure difference between upper and lower membrane chambers △Pmix(MPa)	Setpoint deviation	Control lines/connections
Surface structure-effect product (cm²)	red spring	Yellow Spring	Black Spring	Applicable nominal diameter range DN			Setpoint deviation	Control lines/connections
32	0.3-12		0.8-1.6	15-125	≥ 0.05	2.0	±8%	Copper pipe or steel pipe ∅ 10 × 1(mm) sleeve type pipe joint R1/4"
80	0.1-0.6	0.05-0.3		15-125	≥ 0.04	1.25
250	0.015-0.15	0.01-0.07		15-250	≥ 0.01	0.4
630		0.005-0.035		15-250	≥ 0.005	0.15

Main technical parameters of the actuator

Note: 1. The distance between the valve body flange and the flange end face can be made according to the user-specified standards, such as ANSI,JIS,DIN and other standards.

Nominal diameter DN	Kvs值(m³/h)	Kvs值(1)(m³/h)	Z value, according to VDMA24422 standard	Maximum pressure difference △Pmax,PN16	Maximum pressure difference △Pmax,PN40	Allowable leakage (under specified test conditions)		Control line connector
Nominal diameter DN	Kvs值(m³/h)	Kvs值(1)(m³/h)	Z value, according to VDMA24422 standard	Maximum pressure difference △Pmax,PN16	Maximum pressure difference △Pmax,PN40	Hard seal	soft seal	Control line connector
15	4	2.5	0.6	1.6	2.0	4x10^-4 x Valve rated capacity (L/h)	10 Bubbles/min	Copper pipe or steel pipe Φ10 × 1(mm) sleeve type pipe joint R1/4"
20	6.3	4.0	0.6	1.6	2.0
25	8	6.3	0.6	1.6	2.0
32	16	10	0.55	1.6	2.0
40	20	16	0.55	1.6	2.0
50	32	25	0.5	1.6	2.0
65	50	40	0.5	1.6	2.0		20 bubbles/min
80	80	63	0.45	1.6	2.0
100	125	100	0.4	1.5	1.5
125	160	125	0.35	1.5	1.5
150	280		0.3	1.2	1.2		40 Bubbles/min
200	320		0.2	1.0	1.0
250	400		0.2	1.0	10

503V/5031V/5032V valve adjustment mechanism technical parameters

Note: The valve body flange and flange end face distance can be manufactured according to user-specified standards, such as ANSI,JIS,DIN and other standards.

AΦR DN	A32cm² Φ172mm		A80cm² Φ172mm		A250cm² Φ623mm		A630cm² Φ380mm		L
AΦR DN	Hmm	kg	Hmm	kg	Hmm	kg	Hmm	kg	L
15	647	13.7	642	13.7	662	19.2	732	34.2	130
20	647	14.2	642	14.2	682	19.2	732	34.7	150
25	673	17.2	668	17.2	708	22.7	758	37.7	160
32	673	20.5	668	20.5	708	26	758	41	180
40	675	21.5	670	21.5	710	27	760	42	200
50	675	24.5	670	24.5	710	30	760	45	230
65	710	36.5	710	36.5	745	42	795	57	290
80	710	40.5	710	40.5	745	46	795	61	310
100	815	67.5	815	67.5	850	73	900	88	350
250	815	77.5	815	77.5	850	83	900	98	400
150					765	93	815	108	480
200					795	153	845	168	600
250					842	233	892	248	730

Dimensions and weight

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