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ZZDQ Nitrogen Supply Device (nitrogen Sealing Valve)

Product overview

Product model: ZZDQ
Nominal diameter: DN20~150mm
Nominal pressure: PN1.0~ 1.6MPa
Main material: HT200, ZG230 ~ 450 ZG1Cr18Ni9Ti
Spool, seat: 1Cr18Ni9Ti stellay alloy surfacing
Flange standard: GB9113-88
Flange sealing surface type: convex

ZZDQ Nitrogen Supply Device (nitrogen Sealing Valve) product details

ZZDQ Nitrogen Supply Device (nitrogen Sealing Valve) product description:

ZZDQ Nitrogen Supply Device (nitrogen Sealing Valve) produced and sold by Baigang valve group, Pressure regulator without additional energy, the use of the media itself is the media as the power source. Automatically control the valve medium flow, so that the pressure after the valve to maintain a constant pressure stabilizer. Has been widely used in continuous gas acquisition and transportation of natural gas, urban gas and metallurgical, petroleum, chemical and other industrial production sector.
Valve Features: Control of high precision, general than ZZY type direct operation of the regulator about double high. Adjust the pressure ratio (such as the valve before 0.8MPa, valve 0.001MPa) is particularly suitable for micro-pressure gas control.
Pressure set in the pilot to achieve, so convenient, fast, labor-saving time-saving can be run continuously set.

ZZDQ Nitrogen Supply Device (nitrogen Sealing Valve) part Information:

Valve body, bonnet: HT200, ZG230 ~ 450 ZG1Cr18Ni9Ti
Spool, seat: 1Cr18Ni9Ti Stellite alloy surfacing
Filler: Teflon
rod, bushing: 2Cr13

1, the main valve
2, the main valve spool
3, Main valve actuator
4, throttle valve
5, pressure reducing valve
6, the pilot spool
7, the detection mechanism
8, the default spring
9, the pilot

ZZDQ Nitrogen Supply Device (nitrogen Sealing Valve) technical Parameters:

Nominal diameter DN (mm)	20			25	40		50	80		100	150
Seat diameter (mm)	6	15	20	25	32	40	50	65	80	100	125	150
Rated flow coefficient KV	3.2	5	8	10	20	32	50	80	100	160	250	400
Pressure adjustment range Kpa	0.5 to 7 5 to 20 15 to 50 30 to 150
Nominal pressure PN (MPa)	1.0 1.6
The media temperature is adjusted (℃)	-20 ~ 90
Flow characteristics	Go ahead
Adjustment accuracy (%)	≤ 3
Actuator film effective area (cm 2)	200				280				400
Allow leakage	In line with ANSIB16.104-1976 level IV

ZZDQ Nitrogen Supply Device (nitrogen Sealing Valve) specifications Weight:

◆ Overall dimensions

Nominal diameter (DN)	20	25	32	40	50	65	80	100	125	150
Flange end distance (L)	150	160	180	200	230	290	310	350	400	480
H	610	610	630	630	640	710	720	730	800	930
H1	330	330	350	350	360	430	440	450	520	650
φ	310								400
D	105	115	140	150	165	185	200	220	250	285
D 1	75	85	100	110	125	145	160	180	210	240
D 2	56	65	76	84	99	118	132	156	184	211
nd	4-14		4-18				8-18			8-22

ZZDQ Nitrogen Supply Device (nitrogen Sealing Valve) connection standard:

◆ Connection Size and Standard
Flange Standard: GB9113-88;
Flange Seal Face Type: Convex;
Signal Interface: Female Thread M16X1.5;
Distance between Body Flange and Flange End Face can be manufactured according to user-specified standard.
Such as ANSI, JIS, JPI and other standards.

◆ Ordering Information When
ordering, please provide the following information:
· Regulator name and model
· Nominal diameter (mm)
· Nominal pressure (MPa)
· Media name
· Working pressure and range
· Body material
· Other special requirements

Reminder:

All text, data and pictures in this article are for reference only.To see more details of the ZZDQ Nitrogen Supply Device (nitrogen Sealing Valve) performance parameters, structural dimension parameters, pricing, etc., or to request high quality printing samples, please Contact us.

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