ZJHS type pneumatic high-pressure angle regulating valve-Fornitore globale

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No. 18 Xihua Road, Luqiao, Oubei, Wenzhou City, Zhejiang Province

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ZJHS type pneumatic high-pressure angle regulating valve

Product model: ZJHS type Product features: ZJHS type pneumatic high-pressure angle regulating valve ZJHS-220, ZJHS-320 type pneumatic thin film precis

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Product details

ZJHS type pneumatic high-pressure angle regulating valveZJHS-220, ZJHS-320 Pneumatic Thin Film Precision Small Angle High Pressure Regulating ValveIt is a product developed to address the serious problems of short service life, valve stem breakage, and liner detachment of regulating valves under harsh working conditions such as high pressure or high pressure difference, severe cavitation and erosion. It adopts a multi-stage throttling form to share the pressure difference, reducing cavitation, erosion, and flow damage, greatly improving the service life of the regulating valve, especially when used in urea systems, which is 2-3 times longer than ordinary high-pressure valves. The valve body is right angled, and the valve core is a single guide structure. The valve body has a simple flow path and low resistance, making it particularly suitable for regulating high viscosity fluids containing suspended solids and granular media, which can avoid coking, bonding, and blockage.

Product Technical Parameters

Nominal diameter (mm)	20				25	40		50	65	80	100	150		200	250	300
Valve seat diameter (mm)	10	12	15	20	25	32	40	50	65	80	100	125	150	200	250	300
Flow coefficient Kv	1.6	2.5	4	6.3	10	16	25	40	63	100	160	250	400	630	1000	1600
Adjustable range	30：1
nominal pressure	Standard products 1.6, 4.0, 6.4MPa; Special orders 10, 22, 32MPa
Valve core form	Single seat plunger type valve core
Traffic characteristics	Straight line, equal percentage
operation temperature	Ordinary type -40~230 ℃; Heat sink type 230-450 ℃, special order 450-600 ℃
Flange standard	Compliant with JB78-59 and JB79-59 standards, can be ordered and produced according to JB/79.1-94, JB/79.2-94, ANSI, JIS, DIN, etc

Allowable pressure difference

Nominal Diameter DN（mm）	PN320	6			10					15					25						32			40		50		65		80		100
Nominal Diameter DN（mm）	PN220	6			10					15					25						32			40		50		65		80		100
Valve seat diameter (mm)		3	4	6	4	6	7	8	10	6	7	8	10	12	7	8	10	12	16	20	16	20	30	20	38	30	50	38	65	50	80	65	100
Input signal kgf/cm2 （0.2～0.1）		320							200	320			200	80	320		200	80	40	20	80	40	16	4	4	16	4	6	16	25	1	16	0.6
Input signal kgf/cm2 （0.2～0.1）		220											160		220			160	64	40	140	64	25	64	16	25	8	20	6	10	4	6	2.5
Input signal kgf/cm2 （0.6～1.8）		320								320									160	100	320	160	64	160	35	64	20	55	16	30	10	16	6
Input signal kgf/cm2 （0.6～1.8）		320								220									200	110	220	200	70	200	45	70	25	70	20	35	14	20	8

Material for main parts

Part name	valve body	valve stem	valve core	valve seat	filler	compression spring	Corrugated film
material	40 forged steel stainless steel Molybdenum titanium dioxide	2Cr13 stainless steel Molybdenum titanium dioxide	2Cr13 or pile Welding cobalt chromium tungsten hard metal	2Cr13 or pile Welding cobalt chromium tungsten hard metal	V-shaped PTFE ring	60Si2Mn	nbr Jianni lining

performance index

Serial Number	project		unit	Without locator	Equipped with locator
1	Basic error		％	±4	±1
2	return difference		％	2.5	1
3	dead zone		％	1.5	0.1
4	Allowable leakage amount		％	0.01% of the C value, for C ≤ 4. Q leakage ≈ 0
5	Deviation of rated flow coefficient Kv	C≤4	％	±15
5	Flow characteristic error	C>4	％	±10

External dimensions

Public diameter （mm）		6	10	15	25	32	40	50	65	80	100	125	150
L1（mm）		100	105	105	120	135	190	225	275	315	365	400	510
L2（mm）		83	90	105	120	135	165	190	215	260	290	300	400
Film	H（mm）	407	406	425	401	493	502	500	630	630	620	848	910
	D（mm）	285				360			470			620
	Weight (KG)	37	43	46	52	93	160	123	224	297	442	650	780
piston	H（mm）	527	526	545	521	586	595	593	655	655	645	758	820
	D（mm）	264							352			490
	Weight (KG)	51	57	60	66	92	105	122	217	290	435	628	758

Ordering Notice: Please fill in the "Specification Sheet" or indicate the following content when placing an order:
1. Product model
2. Nominal pressure
3. Nominal diameter and rated flow coefficient Kv
4. Signal pressure and spring range
5. Traffic characteristics
6. Valve switching method
7. Working temperature range of the medium
8. Valve body and valve core materials
9. Is there an attachment? Please specify the attachment model
10. Are there any other special requirements

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