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ZJHP Pneumatic Diaphragm With Hand Wheel Single-seat Regulating Valve

Product overview

Product model: ZJHP
Nominal diameter: DN20mm~200mm
Nominal pressure: 1.0, 1.6, 4.0, 6.4MPa
Applicable temperature: -200℃ ~ +560℃
Main material: HT200, ZG230-450 ZG1Cr18Ni9Ti
Flange standard: cast iron flange according to GB4216.5-84 cast steel flange according to GB9113-88, JB/T79-94

ZJHP Pneumatic Diaphragm With Hand Wheel Single-seat Regulating Valve product details

ZJHP Pneumatic Diaphragm With Hand Wheel Single-seat Regulating Valve Product description:

The ZJHP Pneumatic Diaphragm With Hand Wheel Single-seat Regulating Valve produced and sold by Baigang Valve Group adopts top guide structure and multi-spring actuators.It has the advantages of compact structure, light weight, sensitive action, S-streamline fluid channel, small pressure drop loss, large valve capacity, accurate flow characteristics, convenient disassembly and assembly, etc.Widely used to accurately control gas, liquid and other media, process parameters such as pressure, flow, temperature, liquid level to maintain a given value.Especially suitable for small leakage valve before and after the pressure difference is not big working occasions.

This series of products have a standard type, regulation cut off, bellows sealed, jacket insulation and other varieties. Nominal product pressure rating PN10,16,40,64; body diameter range DN20 ~ 200. For fluid temperature from -200 ℃ ~ + 560 ℃ range of a variety of grades. Leakage standards have grade IV or VI level. Flow characteristics are linear or equal percentage. A wide variety of specifications to choose from.

ZJHP Pneumatic Diaphragm With Hand Wheel Single-seat Regulating Valve Features:

1, top-oriented single-seat control valve, compact structure, fewer parts, easy maintenance.
2, the metal spool for a variety of workplaces, up to Level IV leakage standards, ZXPQ-type soft-sealed spool up to Level VI leakage standards.
3, the valve body designed by the principle of fluid mechanics, such as cross-section low flow resistance flow channel, the rated flow coefficient increased by 30%.
4, adjustable range, the inherent adjustable ratio of 50.
5, the implementing agencies using multi-spring structure, a 30% reduction in height, weight reduction of 30%.
6, ZXPV bellows sealed control valve, the valve stem to form a complete seal, blocking fluid leakage.
7, ZXPJ-type control valve with a thermal jacket for fluid cooling easy to crystallize, clogging caused by solidification of the occasion.

ZJHP Pneumatic Diaphragm With Hand Wheel Single-seat Regulating Valve Part Information:

Body, bonnet: HT200, ZG230-450 ZG1Cr18Ni9Ti
Spool, seat: 1Cr18Ni9Ti, Stellite alloy surfacing
soft seal Spool: Reinforced PTFE
Filling: PTFE, flexible graphite
bellows: 1Cr18Ni9Ti
pad Film: Asbestos board, 10,1 Cr18Ni9Ti, asbestos wrap gasket
Membrane cover: A3
Corrugated diaphragm: NBR rubber reinforced polyester fabric
Spring: 60Si2Mn
Stem, push rod : 2Cr13 , 1Cr18Ni9Ti

Bushing: 2Cr13

ZJHP Pneumatic Diaphragm With Hand Wheel Single-seat Regulating Valve technical Parameters:

Nominal diameter DN (mm) (Spool diameter dN)			20				25	32	40	50	65	80	100	125	150	200
			(10)	(12)	(15)	(20)
Rated flow coefficient Kv		straight line	1.8	2.8	4.4	6.9	11	17.6	27.5	44	69	110	176	275	440	690
		Equal percentage	1.6	2.5	4.0	6.3	10	16	25	40	63	100	160	250	400	630
Rated stroke L (mm)			16					25			40			60
Diaphragm effective area Ae (cm 2)			280					400			600			1000
Signal range Pr (kPa)			20 to 100, 40 to 200
Air pressure Ps (MPa)			0.14 ~ 0.4
Inherent flow characteristics			Straight line, equal percentage
Inherent adjustable ratio			50
Allow leakage			Hard Seat: Class IV (10 -4 valve nominal capacity) Soft Seat: Class VI
Nominal pressure PN (MPa)			1.0, 1.6, 4.0, 6.4
Operating temperature t (° C)	Normal temperature type		-20 to 200, -40 to 250, -60 to 250
	Cooling type		-40 ~ 450, -60 ~ 450
	High temperature type		450 ~ 560
	Low temperature type		-60 ~ -100, -100 ~ -200, -200 ~ -250

* This product performance indicators to implement GB / T4213-92 standards

◆ Dimensions and Weight Standard, heat sink, high temperature type Dimensions Unit: mm

Nominal diameter			20	25	32	40	50	65	80	100	125	150	200
φ A			282		308			394			498
L	PN16, 40		150	160	180	200	230	290	310	350	400	480	600
L	PN64		230	230	260	260	300	340	380	430	500	550	650
H 1	PN16		53	58	70	75	83	93	100	110	125	143	170
	PN40		53	58	70	75	83	93	100	118	135	150	188
	PN64		65	70	78	85	90	103	108	125	148	173	208
H	standard type	PN16	429	438	474	476	502	622	646	687	835	889	981
		PN40	429	438	474	476	502	622	646	695	845	896	1000
		PN64	456	468	511	525	535	663	673	705	868	958	1260
	Cooling high temperature type		570	570	610	610	630	730	810	820	960	1090	1180

* Cooling, high temperature type (H) is the value of PN16 ** Jacket height H1 and H increased by 15%

◆ Bellows sealed external dimensions

Nominal diameter	20	25	32	40	50	65	80	100	125	150	200
φ A	282		308			394			498
L	150	160	180	200	230	290	310	350	400	480	600
H 1	53	58	70	75	83	93	100	110	125	143	170
H standard	446.5	453.5	490	542	537.5	617.5	667	675	735	907.5	900

Specifications Weight:

Regulating valve weight table unit: kg

Nominal diameter		20	25	32	40	50	65	80	100	125	150	200
Standard type	PN16	16	17	19	21	23	35	48	57	64	70	90
	PN40	16	17	19	21	23	35	48	60	67	74	95
	PN64	20	21	25	30	33	44	71	91	100	115	145
Cooling high temperature type		17	18	20	22	25	36	51	60	67	74	95
Bellows type		20	21	25	30	33	48	71	91	102	115	145
Low temperature type		20	21	23	26	28	42	58	69	77	84	108

* In this table, the weight of high temperature type of heat dissipation is based on PN16 and the low temperature type is based on PN40

Connection standard:

· Flange standard cast iron flange according to GB4216.5-84 steel flange according to GB9113-88, JB / T79-94
· Flange sealing surface type: PN10, PN16 is convex; PN40, PN64 is convex surface, body is Concave.
· Membrane actuator air signal interface: Female thread M16X1.5
· Jacket insulation jacket Heat transfer body interface: Butt welding φ18X4
* The body flange and the flange end face distance can be manufactured according to user-specified standards.
Such as: ANSI, JIS, JPI and other standards.

◆ Ordering Information When
ordering, please provide the following information:
· Control valve name and model
· Nominal diameter (mm)
· Nominal pressure (MPa)
· Rated flow coefficient (Kv)
· Inherent flow characteristics
· Media name
· Operating temperature and range
· The whole mode
of action · Body, valve trim and packing material
· With accessories
· Other special requirements

Reminder:

All text, data and pictures in this article are for reference only.To see more details of the ZJHP Pneumatic Diaphragm With Hand Wheel Single-seat Regulating Valve performance parameters, structural dimension parameters, pricing, etc., or to request high quality printing samples, please Contact us.

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