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ZJSGW-P(M) Pneumatic Film High Temp Regulating Valve

Product overview

Product model: ZJSGW-P(M)
Nominal diameter: DN20 ~ 300mm
Nominal pressure: Pn 1.6, 2.5, 4.0, 6.4, 10.0MPa
Ambient temperature: -30 ~ +70℃
Applicable medium: gas, liquid, steam and other media
Drive mode: pneumatic
Design standard: GB/T17213
Flange standard: GB/T9113, JB/T79, HG20594 and other standards
Inspection standard: GB/T4213
Connection type: flange (FF RF RTJ), welding (SW BW), thread (applicable to less than 1 ")

ZJSGW-P(M) Pneumatic Film High Temp Regulating Valve product details

ZJSGW-P(M) Pneumatic Film High Temp Regulating Valve product overview

ZJSGW-P(M) Pneumatic Film High Temp Regulating Valve produced and sold by Baigang valve group, the multi-spring pneumatic film actuator and low resistance high temperature regulating valve body composition, multi-spring actuator low height, light weight, easy to install.
Pneumatic high temperature control valve body flow was S streamline, with compact, light weight, sensitive, small pressure drop loss, valve capacity, accurate flow characteristics, easy maintenance, etc., can be used for harsh working conditions. Pneumatic membrane thermostatic valve equipped with electric - gas valve positioning or pneumatic - pneumatic valve positioner, by inputting 4-20mA control signal to control the operation, can realize the process pipeline fluid medium automatic regulation and control.
Pneumatic temperature control valve is widely used in gas, liquid, steam and other media process parameters such as pressure, flow, temperature, liquid level and other parameters remain at a given value.
Pneumatic high temperature control valve is particularly suitable for allowing a small amount of leakage, small pressure difference between the valve and the high temperature of the occasion.

ZJSGW-P(M) Pneumatic Film High Temp Regulating Valve main technical parameters

1 , the valve body

Body form	Direct casting ball valve
Nominal diameter	DN20 ~ 300mm
Nominal pressure	PN 1.6, 2.5, 4.0, 6.4, 10.0 MPa
Flange standard	GB / T9113, JB / T79, HG20594 and other standards
Connection Type	Flange (FF RF RTJ), Weld (SW BW), Thread (For 1 "or less)
Cover form	High temperature type +250 ~ +450 ℃, ultra-high temperature type +250 ~ +560 ℃
Gland type	Bolt compression type
Sealed packing	V-type PTFE packing, PTFE impregnated asbestos packing, asbestos textile packing, graphite packing
Body material	Cast steel (WCB), stainless steel (CF8, CF8M, CF3, CF3M), chrome molybdenum steel

2 , the valve parts

Spool form	Single seat, sleeve structure
Flow characteristics	Linear, equal percentage
Spool material	Stainless steel (304,304L, 316,316L)

3 , implementing agencies and annex, the role of the form

Actuator type	ZHA / B multi-spring film actuator
Actuator model	ZHA / B-22	ZHA / B-23	ZHAB-34	ZHA / B-45	ZHA / B-56
Effective area (cm2)	350	350	560	900	1400
Travel (mm)	10,16	25	40	40,60	100
Spring Range (KPa)	20 to 100 (standard), 20 to 60, 60 to 100, 40 to 200, 80 to 240
Diaphragm material	Nylon cloth rubber clip, EPDM clip nylon cloth
Supply pressure	140 ~ 400KPa
Air source interface	RC1 / 4 "
Ambient temperature
Can be equipped with accessories	Locator, air filter pressure reducer, Paul-valve, hand wheel agencies
The role of form	Air-off (B) - Valve open during loss of air (FO); Air open (K) - Valve closed during loss of air (FC)

ZJSGW-P(M) Pneumatic Film High Temp Regulating Valve main performance indicators

project			Without locator	With locator
Basic error%			± 5.0	± 1.0
Backlash%			≤3.0	≤1.0
dead zone%			≤3.0	≤0.4
Always point deviation%	Open air	Start point	± 2.5	± 1.0
		Start point	± 5.0	± 1.0
	Qi off	Start point	± 5.0	± 1.0
		end	± 2.5	± 1.0
Rated travel deviation%			≤2.5
Leakage L / h			0.01% × valve rated capacity
Adjustable range R			30: 1

ZJSGW-P(M) Pneumatic Film High Temp Regulating Valve rated flow coefficient Kv , to allow pressure

Nominal diameter DN (mm)		20	25	32	40	50	65	80	100	125	150	200	250	300
Seat diameter (dn)		20	25	32	40	50	65	80	100	125	150	200	250	300
Rated flow coefficient (KV)	Single seat	6.9	11	17.6	27.5	44	69	110	176	275	440	630	875	1250
Rated flow coefficient (KV)	Sleeve	6.3	10	16	25	40	63	100	155	250	370	580	900	1300
Allowable pressure difference (MPa)	Single seat	3.8	3.2	3.0	2.0	1.8	1.5	1.4	1.0	0,7	0.6	0.5	0.3	0.1
Allowable pressure difference (MPa)	Sleeve	6.4	6.4	5.2	5.2	4.6	4.6	3.7	3.7	3.5	3.1	3.1	2.6	2.2
Rated travel (mm)		16			25		40			60			100
Actuator model		ZHA / B-22		ZHA / B-23			ZHA / B-34			ZHA / B-45			ZHA / B-56

ZJSGW-P(M) Pneumatic Film High Temp Regulating Valve main connection size

DN (mm)		20	25	32	40	50	65	80	100	125	150	200	250	300
L	PN16 / 25	181	184	200	222	254	276	298	352	410	451	550	640	880
	PN40	194	197	200	235	267	292	317	368	425	473	640	760	910
	PN64	206	200	210	251	286	311	337	394	440	508	670	810	950
H	PN16 / 25	52.5	57.5	75	75	85.5	92.5	100	110	142.5	158	170	195	230
	PN40	52.5	57.5	75	75	82.5	92.5	100	117.5	150	167.5	187.5	205	245
	PN64	65	40	85	85	90	102.5	107.5	125	172.5	195	207.5	230	260
H1		370	396	428	428	436	415	464	507	690	840	632	725	882
H2		298	298	298	298	298	380	380	380	510	510	510	650	650
H3		180	180	180	180	180	236	236	236	310	310	310	380	380
L1		280	280	280	280	280	350	350	350	475	475	475	560	560
A		282	282	282	282	282	360	360	360	470	470	470	580	580
C		220	220	220	220	220	270	270	270	320	320	320	400	400

Reminder:

All text, data and pictures in this article are for reference only.To see more details of the ZJSGW-P(M) Pneumatic Film High Temp Regulating Valve performance parameters, structural dimension parameters, pricing, etc., or to request high quality printing samples, please Contact us.

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