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ZHP Type Single Seat Control Valve Made in China

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Place of Origin: China

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Keyword: control valve

Category: Valves

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Dalian Zesheng Equipment Co.,Ltd

Membership: PRO

Country / Year Established: China / 2016

Business type: Trading Company

Verified Certificate: 7

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PRODUCT DESCRIPTION COMPANY INFORMATION Related Products

Product name	ZHP Type Single Seat Control Valve Made in China	Certification	-
Category	Valves	Ingredients	-
Keyword	control valve	Unit Size	-
Brand name	-	Unit Weigh	-
origin	China	Stock	-
Supply type	-	HS code	-

Product Information

ZHP Type Single Seat Control Valve is a kind of top pilot single seat valve, which has simple structure, well sealing, high flow rate and stable application performance. Reasonable top spiral system can avoid vibration during small opening percentage, so as to extend valve working life.

SINGLE SEAT CONTROL VALVE SPECIFICATION

Body type:	straight through casting globe type
Spool type:	non-balanced single seat plug type
Nominal size:	DN20~200 NPS 3/4〞~ 8〞
Nominal pressure:	PN16 ~ 100 CLASS 150LB ~ 600LB
Connection: flange:	FF、RF、MF、RTJ
Welding:	SW、BW
Flange dimension:	acc. to IEC 60534
Bonnet type:	standard type（-5℃~230℃） Radiator type: （-45℃~ high than 230℃ occasion） Low temperature extended type（-196℃~ -45℃） Bellow seal type Warm insulation Jacket type
Packing:	V type PFTE packing, flex. graphite packing, etc.
Gasket:	Metal graphite packing
Actuator:	pneumatic: multi-spring diaphragm actuator, piston type actuator. electric: 3810L series smart actuator, PSL series actuator.
Surface painting:	Green color, acrylic acid polyurthene ceramic paint.

SINGLE SEAT CONTROL VALVE CODE

Z	Actuator	H	Structure	Nominal Pressure	Body Material	Nominal Size
Z series control valve	J: pneumatic diaphragm actuator H: pneumatic piston actuator R: electric 3810L actuator D: electric PSL actuator	Hdirect travel	P: standard single seat PF: soft sealing single seat PL: single seat cage type PG: radiator single seat type PV: bellow seal single seat PD: low temperature single seat	PN16=16 CL150LB=150 LB JIS10K=10K	C=WCB LC=LCB P=CF8 PL=CF3 R=CF8M RL=CF3M D=special material	DN25= DN25 NPS1〞=NPS1〞
Such as: Z type pneumatic diaphragm single seat control valve, PN16, body: WCB, nominal size: DN50, type: ZJHP-16C DN50

SINGLE SEAT CONTROL VALVE PERFORMANCE

Flow Characteristic		Linear, Percentage, Quick Open
Allowable Range		50: 1 (CV<6.3 30: 1)
Rated Cv Value		Percentage CV1.6~630 ，linear CV1.8~690
Allowable Leakage		Metal seal: IV grade（0.01% rated capacity） Soft seal: VI grade（foam grade） Leakage standard: GB/T 4213
Performance		Pneumatic	Electric
	Intrinsic Error %	±1.5	±1.0
	Return Difference, %	≤1.5	≤1.0
	Dead Zone, %	≤0.6	≤1.0
	Difference From Beginning To End Point, %	±2.5	±2.5
	Rated Travel Difference, %	≤2.5	≤2.5

Note: specification on the basis of control valve with positionerand PTFE packing.

SINGLE SEAT CONTROL VALVE SPECIAL SPECIFICATION

Special Test	Material Penetration Flaw Detection (PT), Radiator Test (RT), Flow Characteristic Test, Low Temperature Test.
Special treatment	Trim nitrogen treatment, seat hard alloy treatment.
Special rinse	Degreasing and dehydration treatment
Special condition	Special piping or connection, vacuum condition, S.S fastener, special coating.
Special dimension	Customized face to face length or dimension
Test and inspection	Third party test report

SINGLE SEAT CONTROL VALVE ACTUATOR

Type\ Method	Pneumatic Diaphragm Actuator	Electric Actuator
	ZH23～ZH56	3810L Series
	Multi-Spring Type	Intelligent Integrated Type
Usage	Regulating type, ON-OFF type	Regulating
Air Supply Pressure Or Power Supply Voltage	Air supply pressure (Spring range) 140（20～100）Kpa G 240 (40～200) Kpa G 280 (80～240) Kpa G	Power: AC 200V±10% 50Hz Or Power: AC 380V±10% 50Hz
Connector	Air pipe connector: RC1/4	Nomal type: cable inlet 2-PF(G1/2〞) Explosive proof: Protection jacket PF(G3/4〞)
Direct Action	Pressure increase, stem descend, valve close.	Input signal increase, stem descend, valve close.
Reaction	Pressure increase, stem ascend, valve open.	Input signal increase, stem ascend, valve open.
Input Signal	40～20mA.DC（with positioner）	Input/output4～20mA.DC
Lag	≤1%FS（with positioner）	≤0.8%FS
Linear Type	2%FS（with positioner）	≤+1%FS
Environmental Temperature	-10℃～+70℃	Standard type: -10℃～+60℃ With space heater : -35℃～+60℃ Explosive proof: -10℃～+40℃
Surface Coating	Green, acrylic acid polyurethane coating	Blue, acrylic acid polyurethane coating
Accessories	E/P, P/P valve positioner, filter regulator, valve converter, solenoid valve, limited switch	Space hearter (normal type)

Note 1: non-standard accessories, need special customized notes.

SINGLE SEAT CONTROL VALVE PARAMETER

Pneumatic Actuator Diaphragm Area, Ae(Cm2)			ZHA/B-22					ZHA/B-23			ZHA/B-34			ZHA/B-45
Seat Diameter(Mm)			10	12	15	20	25	32	40	50	65	80	100	125	150	200
Rated Cv	Percentage		1.6	2.5	4.0	6.3	10	16	25	40	63	100	160	250	400	630
Rated Cv	Linear		1.8	2.8	4.4	6.9	11	17.6	27.5	44	69	110	176	275	440	690
Nom. Size	Travel		Option flow characteristic Cv. (★standard ●recommanded ○customized)
DN20	16mm		●	●	●	★
DN25	16mm		●	●	●	●	★
DN32	25 Mm		○	○	○	○	○	★
DN40				○	○	○	○	●	★
DN50					○	○	○	●	●	★
DN65	40mm							○	○	○	★
DN80								○	○	○	●	★
DN100								○	○	○	●	●	★
DN125	60mm										○	○	○	★
DN150												○	○	●	★
DN200												○	○	●	●	★
Pneumatic Actuator Diaphragm Area, Ae(Cm2)			350					350			560			900
Action	Spring Range		Metal Sealing Allowable Pressure Difference (MPa)
Air Open	20-100KPa		4.46	3.09	1.98	1.16	0.7	0.44	0.28	0.18	0.17	0.11	0.07	0.07	0.05	0.03
	40-200 KPa		6.4	6.4	5.94	3.34	2.14	1.31	0.84	0.53	0.51	0.33	0.21	0.22	0.15	0.09
	80-240 KPa		6.4	6.4	6.4	6.4	4.99	3.05	1.95	1.25	1.18	0.78	0.5	0.51	0.36	0.21
Air Close	20-100KPa		6.4	6.19	3.96	2.23	2.14	0.87	0.56	0.35	0.34	0.22	0.14	0.15	0.1	0.06
	40-200 KPa		6.4	6.4	6.4	6.4	6.4	5.86	3.64	2.3	2.21	1.43	0.91	0.95	0.66	0.37
	80-240 KPa		6.4	6.4	6.4	6.4	6.4	6.4	5.04	3.18	3.06	1.98	1.26	1.32	0.92	0.52
Electric Actuator			Metal Sealing Max. Allowable Pressure Difference (MPa)
Type		Thrust(N)	Metal Sealing Max. Allowable Pressure Difference (MPa)
3810L-08		800	6.4	5.5	3.5	2.38
3810L-20		2000	6.4	6.4	6.4	4.77	3.05	1.86	1.19	0.76
3810L-30		3000						2.79	1.79	1.14
3810L-50		5000						4.66	2.98	1.91	1.13	0.6	0.47
3810L-65		6500									1.35	0.8	0.57	0.39	0.26	0.16
3810L-99		10000												0.61	0.42	0.20
3810L-160		16000												0.97	0.67	0.35

STANDARD MATERIAL AND INTERNAL STRUCTURE

Table 1: Body WCB

1	Body	WCB	LCB	WC9
2	Seat	304	304	304
3	Spool	304	304	304
4	Gasket	316+graphite/PTFE
5	Bushing	304	304	304
6	Bonnet	WCB	LCB	WC9
7	Packing	PTFE/flex. graphite
8	Packing bushing	304	304	304
9	Gland	WCB	WCB	WCB
10	Stem	304	304	304
12	Stud	45	40MnB	25Cr2Mo1VA
13	Nut	35	35	25Cr2Mo1VA

Table 2: Body S.S

1	Body	CF8	CF8M	CF3M
2	Seat	304	316	316L
3	Spool	304	316	316L
4	Gasket	316+graphite/PTFE
5	Bushing	304	316	316L
6	Bonnet	CF8	CF8M	CF3M
7	Packing	PTFE/flex. graphite
8	Packing bushing	304	316	316L
9	Gland	CF8	CF8M	CF3M
10	Stem	304	316	316L
12	Stud	304	316	316L
13	Nut	304	316	316L