ZJHM fine small pneumatic control valve sleeve

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ZJHM series pneumatic diaphragm control valve sleeve is a pressure balanced valve. Equipped with multi spring actuator, compact overall structure, star light, good stability. The fluid channel is the 3 line type, the pressure drop loss, allowing a large pressure difference, low noise, large flow capacity. Widely used for precise control of gases, liquids and other media technology parameters such as: pressure, temperature, flow, liquid level maintained at a given value. Especially applicable to the large flow rate, pressure, leakage requirements is not high.
This series of products are the standard and adjust the cut-off type, bellows seal type, jacket type insulation and other varieties. Product nominal pressure level of a user ~10, 16, 40, 64, valve caliber range by DN20~500, applicable for the fluid temperature from -196 ℃ ~+560 ℃, various grades of its range. The leakage of standard IV, V and VI. Flow characteristics such as linear or percentage. A variety of products, specifications are available.
Characteristic.
1 the balance valve structure, the axial unbalanced force is small, allowing a large pressure difference, stability. Sleeve good interchangeability, convenient assembly and disassembly, easy repair.
2 full metal valve structure is suitable for various occasions, to achieve the IV level leakage standard, soft sealing structure of valve to achieve the VI level leakage standard.
3 valve designed according to principles of fluid mechanics such as low flow resistance load into surface flow, large adjustable range, inherent adjustable ratio 50:1, rated flow coefficient of 30%.
4 implementing agencies for the use of multi spring structure, height reduction of 307%. To reduce the weight of 30%.
5.ZJHMW shaped bellows sealed valve, the stem form of mobile complete sealing, blocking the fluid leakage.

Name	Texture of material
The valve body valve cover	ZG230-450、ZG0Cr18Ni9
Valve seat	0Cr18Ni9, 0Cr18Ni9+PTFE, 0Cr18Ni9+ division Chatterley
Filler	PTFE, flexible graphite
Bellows	0Cr18Ni9
Shim	Graphite spiral wound gasket (V6590), serrated gasket
Film cover	A3、0Cr18Ni9
Corrugated diaphragm	Clip reinforced nylon fabric nitrile rubber
Spring	60Si2Mn
Valve push rod	0Cr18Ni9、2cr13

The main technical parameters of the sleeve valve

DN		20		25	32	40	50	65	80	100	125	150	200	250	300	350	400
Seat diameter mm		20		25	32	40	50	65	80	100	125	150	200	250	300	350	400
Rated kv	Linear		6.9	11	17.6	27.5	44	69	110	176	275	440	630	1000	1600	2156	2816
	The percentage of		6.3	10	16	25	40	63	100	160	250	400	690	900	1440	1960	2560
Nominal pressure（MPa）			1.6、2.5、4.0、6.4、10
Trip（mm）			16			25					40					60		100	130
The effective area of the film Ae（cm2）			280			350					560					900		1400	活塞式
Signal range KPa			20-100、40-200、80-240
Gas pressure steam source MPa			0.1-0.4																	0.4-0.7
The inherent flow characteristics			Linear, equal percentage, quick opening
The inherent adjustable ratio			50:1
The leakage class			Hard seal, soft seal IV V; VI
Flange size			According to JB/79. (2) _94, HG20592_97, GB, ANSI, JIB, DIN and other standards
Body material			WCB, 304, 316, WC6, nickel, titanium, Hastelloy, Monel etc.
Valve material			304, 316, 420, nickel, titanium, Hastelloy, Monel etc.
Working temperature℃			-40~+230 ℃ (room temperature), +230~+450 ℃, +450~+560 ℃ (Zhong Wen) (high temperature), -40~-196 ℃ (low temperature)
Series type			At room temperature, medium temperature, low temperature type. Bellows seal type,jacket type heat, regulating off type

Main performance index

Serial number	Project			Standard type regulating valve		High temperature, low temperature valve
	Project			Not with a locator	With a locator	Not with a locator	With a locator
1	The basic error（%）			±5	±1	±15	±4
2	The return difference<（%）			3	1	10	3
3	The dead zone <（%）			3	0.4	8	1
4	Always point bias <（%）	Open air	The starting point	±2.5	±1	±6	±2.5
		Open air	Finish	±5		±15
		Air to close	The starting point	±5		±15
		Air to close	Finish	±2.5		±6
5	Rated stroke deviation<（%）			±2.5	+2.5	+6	+2.5

Note: This product performance accords with GB/T4213 - 2008

To allow pressure gas off type (positive effect) metal sealing type allows differential pressure gauge Company： MPa

The executive agency model	Spring range（KPa）	Air pressure（KPa）	Positioner（Take / no）	Seat diameter dn(mm)
The executive agency model	Spring range（KPa）	Air pressure（KPa）	Positioner（Take / no）	20	25	32	40	50	65	80	100	125	150	200
ZHA-22	20-100	0.14	no	1.27	1.06
	20-100	0.14	Belt	3.81	3.18
	40-200	0.25	Belt	5.40	4.50
	80-240	0.4	Belt	10.0	9.81
ZHA-23	20-100	0.14	no			1.33	0.93	0.76
	20-100	0.14	Belt			3.40	2.80	2.29
	40-200	0.25	Belt			4.82	3.96	2.29
	80-240	0.4	Belt			10.0	8.63	7.06
ZHA-34	20-100	0.14	no						0.92	0.76	0.61
	20-100	0.14	Belt						2.78	2.29	1.85
	40-200	0.25	Belt						3.94	3.24	2.62
	80-240	0.4	Belt						8.58	7.06	5.72
ZHA-45	20-100	0.14	no									0.86	0.72	0.54
	20-100	0.14	Belt									2.58	2.16	1.63
	40-200	0.25	Belt									3.66	3.70	2.32
	80-240	0.4	Belt									7.97	6.68	5.05

氣關式（正作用）金屬密封型允許壓差表 Company： MPa

The executive agency model	Spring range（KPa）	Air pressure（KPa）	Positioner（帶/否）	Seat diameter dn(mm)
The executive agency model	Spring range（KPa）	Air pressure（KPa）	Positioner（帶/否）	20	25	32	40	50	65	80	100	125	150	200
ZHA-22	20-100	0.14	Take / no	1.27	1.06
	40-200	0.25	Belt	3.81	3.18
	80-240	0.28	Belt	10.0	8.48
ZHA-23	20-100	0.14	Take / no			1.33	0.93	0.76
	40-200	0.25	Belt			3.40	2.80	2.29
	80-240	0.28	Belt			9.08	7.46	6.11
ZHA-34	20-100	0.14	Take / no						0.92	0.76	0.61
	40-200	0.25	Belt						2.78	2.29	1.85
	80-240	0.28	Belt						7.40	6.11	4.94
ZHA-45	20-100	0.14	Take / no									0.86	0.72	0.54
	40-200	0.25	Belt									2.58	2.16	1.63
	80-240	0.28	Belt									6.89	5.78	4.37

氣關式（正作用）金屬密封型允許壓差表 Company： MPa

The executive agency model	Spring range（KPa）	Air pressure（KPa）	Positioner（Take / no）	Seat diameter dn(mm)
The executive agency model	Spring range（KPa）	Air pressure（KPa）	Positioner（Take / no）	20	25	32	40	50	65	80	100	125	150	200
ZHA-22	20-100	0.14	no	1.98	1.66
	20-100	0.14	Belt	3.00	3.00
	40-200	0.25	Belt	3.00	3.00
	80-240	0.4	Belt	3.00	3.00
ZHA-23	20-100	0.14	no			1.77	1.45	1.19
	20-100	0.14	Belt			3.00	3.00	2.86
	40-200	0.25	Belt			3.00	3.00	2.86
	80-240	0.4	Belt			3.00	3.00	3.000
ZHA-34	20-100	0.14	no						1.44	1.19	0.96
	20-100	0.14	Belt						3.00	2.86	2.31
	40-200	0.25	Belt						3.00	3.00	3.00
	80-240	0.4	Belt						3.00	3.00	3.00
ZHA-45	20-100	0.14	no									1.34	1.22	0.85
	20-100	0.14	Belt									3.00	2.71	2.04
	40-200	0.25	Belt									3.00	3.00	2.73
	80-240	0.4	Belt									3.00	3.00	3.00

氣關式（正作用）金屬密封型允許壓差表 Company： MPa

The executive agency model	Spring range（KPa）	Air pressure（KPa）	Positioner（Take / no）	Seat diameter dn(mm)
The executive agency model	Spring range（KPa）	Air pressure（KPa）	Positioner（Take / no）	20	25	32	40	50	65	80	100	125	150	200
ZHA-22	20-100	0.14	Take / no	1.98	1.65
	40-200	0.25	Belt	3.00	3.00
	80-240	0.28	Belt	3.00	3.00
ZHA-23	20-100	0.14	Take / no			1.77	1.45	1.19
	40-200	0.25	Belt			3.00	3.00	2.86
	80-240	0.28	Belt			3.00	3.00	3.00
ZHA-34	20-100	0.14	Take / no						1.44	1.19	0.95
	40-200	0.25	Belt						3.00	2.86	2.31
	80-240	0.28	Belt						3.00	3.00	3.00
ZHA-45	20-100	0.14	Take / no									1.34	1.22	0.85
	40-200	0.25	Belt									3.00	2.71	2.04
	80-240	0.28	Belt									3.00	3.00	3.00

Note that allows differential pressure gauge:
Packing material for the PTFE
Flow direction and valve medium off in the opposite direction
Leakage in grade IV metal seal type
Number of the nominal pressure, pressure, temperature limits
Bellows seal type P2 ≠ 0 re check;

Dimensions and weight Company：mm

DN			20	25	32	40	50	65	80	100	125	150	200	250	300
L	PN16MPa		187	184	200	222	254	276	298	352	410	451	600	673	737
	PN16MPa		194	197	210	235	267	292	317	368	425	473	600	708	775
	PN16MPa		206	210	220	251	286	311	337	394	440	508	650	752	819
A			280									360						470		580
H1		PN16、40	53	58	68	73	80	90	98		108	108	140	168	225	245
H1		PN16、64	63	68	75	83	88	100	105		125	125	170	203	260	280
H2		Actuator	280			310					395						525		725
H3		High temperature heat sink type	210	210	225	230	230	335	335	345	408	454	482	550	580
H3		Bellows seal	303	305	392	395	405	529	540	553	710	756	800	900	940
H		Standard room temperature	400	420	450	455	460	610	622	640	780	870	890	1205	1235
Low temperature type		H3	750																		900
		H4	90	90	92	92	92	98		98	98	110	120	120	180	180
		D	310	310	335	335	335	430		465	520	585	660	770	850	850
Weight kg		PN16/40	20	22	25	32	38	62		67	83	132	160	245	350	470
		N64/100	24	25	30	42	52	78		82	102	170	190	285	500	660
		Low temperature type PN16/40	40	48	52	60	68	90		105	143	210	282	315	580	800
		Low temperature type PN64/100	50	60	65	75	85	112		131	178	262	352	393	725	980

Ordering instructions
When ordering, please fill in "specification" or indicate the following contents:
One, if the order has not selected models, please provide the parameters are used to send us your
1, nominal diameter, nominal flow in coefficient Kv
2, the fluid properties (including the nominal pressure, temperature, viscosity and pH value "
3, the valve action form (gas closed or gas - Open)
4, flow at
5, in front of the valve, the valve pressure
6, valve body, broad core material
7, the input signal
8, with the attachment, the attachment type, so that we can correct for your selection.
Two, special requirements
1, special inspection
2, complete degreasing, water treatment;
3, no copper processing;
4, special interface, piping;
5, the use of vacuum conditions;
6, specify the color of the coating
7, special medium (gas, chlorine, nitrogen)
8, the use of stainless steel connections;
Three, if the unit has been selected from the design of our products, please click models directly to our sales department order
Four, the occasion is very important when using or complicated pipelines, please make cocoons provide design drawings and detailed parameters, from our experts to your review gatekeeper.

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ZJHM fine small pneumatic control valve sleeve

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