TOP GUIDE SLEEVE CONTROL VALVE

group name: CONTROL VALVE

Min Order: 1 piece

brand name: KRV

model: DN25-DN300

Nearest port for product export: Tianjin, Shanghai, Qingdao, Dalian

Delivery clauses under the trade mode: FOB, CFR, CIF, EXW

Acceptable payment methods: T/T, L/C, Credit Card, Westem Union, Cash

update time: Tue, 11 May 2021 17:36:38 GMT

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Packging & Delivery

Min Order1 piece

Briefing

TOP GUIDE SLEEVE CONTROL VALVE

Detailed

The valve core uses the pressure balance structure, with small opening and closing force. The working condition of high pressure difference can be controlled by the small actuator thrust. It is widely used in the fluid control of medium low temperature and medium low pressure pipelines which require good dynamic stability. Good sealing performance and large allowable pressure difference. Copper sleeve guide, large guide area, good stability, compact structure, can quickly replace valve internals online, high maintenance efficiency, save manpower and time. The balance valve core structure ensures the minimum actuator thrust.

technical parameter

Valve body form	Straight through S-type casting valve
Valve core form	Balanced double seal sleeve spool
Nominal diameter	DN25~300mm；NPS 1″~12″
Nominal pressure	PN1.6~16MPa；CLASS 150~1500LB
Applicable temperature	-196~+550℃ (optional according to working conditions)
Connection form	Flange, welding, thread (for 1 “inside)
Flange distance	accord with IEC 60534
Gland type	Bolt compression type
Sealing gasket	Metal graphite spiral wound gasket
filler	PTFE, flexible graphite
Actuator	Pneumatic actuator, electric actuator

Flow characteristic curve of top guide sleeve control valve

Material of main parts

The body is made of carbon steel

1	valve body	WCB	LCB	WC9
2	shim	316+graphite
3	Sleeve	304	304	304
4	spool	304	304	304
5	shim	316+graphite
6	Stud	304	304	304
7	Nut	304	304	304
8	Valve cover	WCB	LCB	WC9
9	Stem	304	304	304
10	filler	PTFE+Flexible graphite
11	Lock nut	304	304	304
12	Pressing sleeve	304	304	304
13	Press plate	304	304	304

The body is made of stainless steel

1	valve body	CF8	CF8M	CF3M
2	shim	316+graphite
3	Sleeve	304	316	316L
4	spool	304	316	316L
5	shim	316+graphite
6	Stud	304	316	316L
7	Nut	304	316	316L
8	Valve cover	CF8	CF8M	CF3M
9	Stem	304	316	316L
10	filler	PTFE+Flexible graphite
11	Lock nut	304	316	316L
12	Pressing sleeve	304	316	316L
13	Press plate	304	316	316L

Note: 1. The above structure is standard configuration, the valve seat is metal seal, the valve seat is soft seal, grade VI option is selected. The valve internals of spray welded cemented carbide are available.

2. The conventional materials are carbon steel and stainless steel, and the control valve products with special materials can be customized according to the user’s site conditions.

Specification parameters of top guide sleeve regulator

Seat diameter（mm）			251	321-1/4	401-1/2	502	652-1/2	803	1004	1255	1506	2008	25010	30012
discharge coefficient（Kv）		straight line	10	15	25	40	63	100	160	250	400	630	1000	1400
discharge coefficient（Kv）		Equal percentage	11	17.6	27.5	44	69	110	176	275	440	690	1100	1500
caliber（DN）		trip	Optional flow coefficient Cv (★ standard type, recommended and customized)
25	1	16mm	★
32	1-1/4	25mm	ο	★
40	1-1/2		ο	•	★
50	2		ο	•	•	★
65	2-1/2	40mm		ο	ο	ο	★
80	3			ο	ο	ο	•	★
100	4			ο	ο	ο	•	•	★
125	5	60mm					ο	ο	ο	★
150	6							ο	ο	•	★
200	8							ο	ο	•	•	★
250	10	100mm								ο	•	•	★
300	12	100mm									ο	•	•	★
Pneumatic actuator			HA/B-23				HA/B-34			HA/B-45			HA/B-56
Pneumatic actuator			350cm²				560cm²			900cm²			1400cm²
Mode of action		Spring range	Allowable pressure difference of metal seal（MPa）
Air opening		20-100KPa	3.0	2.25	2.25	1.95	2.36	2.04	1.67	1.41	1.41	1.14	0.65	0.55
		40-200KPa	6.4	6.4	6.4	6.4	6.4	6.4	6.4	6.4	6.4	6.4	1.55	1.4
		80-240KPa	6.4	6.4	6.4	6.4	6.4	6.4	6.4	6.4	6.4	6.4	4.08	4.08
Air closing		20-100KPa	1.5	1.13	1.13	0.98	1.18	1.02	0.84	0.71	0.71	0.57	0.65	0.55
		40-200KPa	4.5	3.38	3.38	2.93	3.54	3.06	2.51	2.12	2.12	1.71	0.8	1.55
		80-240KPa	6.4	6.4	6.4	6.4	6.4	6.4	5.85	4.94	4.94	4.0	4.08	3.65
Electric actuator			Allowable pressure difference of metal seal（MPa）
thrust（N）		800	6.4	6.4
		2000	6.4	6.4	6.4	5.1
		3000	6.4	6.4	6.4	6.4	5.7	4.76
		5000			6.4	6.4	6.4	6.4	6.25
		6500							6.4	6.4	4.23	3.23
		10000									6.4	6.1	3.31	2.07
		16000											6.0	4.0

Actuator parameters

model form	I understand film actuators	Electric actuator
	ZH23~ZH56	3810L、RSL
	Multi spring type	Intelligent integrated
purpose	Adjustment, switch	adjust
drive	Air pressure (spring range) 140（20~100）KPa G240（40~200）KPa G280（80~240）KPa G	Power Supply：AC 220 V±10%50Hz Power Supply：AC 380 V±10%50Hz
Connector	Rc 1/4	Common type：2-PF(G 1/2″) Flameproof type：2-PF(G 3/4″)
Positive effect	The increase of air pressure pushes the valve to close	The increase of control signal pushes the valve to close
Reaction	The increase of air pressure pushes the valve open	The increase of control signal pushes the valve to open
control signal	4~20mA.DC (with positioner)	Input and output 4~20mA.DC
lagging	≤1%FS (with positioner)	≤0.8%FS
Linearity	2%FS (with positioner)	≤0.8±1%FS
ambient temperature	-10~+70℃
Surface coating	Valve body: black phosphating treatment actuator: acrylic polyurethane paint
Optional accessories	Valve positioner, hand wheel, solenoid valve, travel switch, position keeping valve	heater

Main performance parameters of top guide sleeve regulator

Flow characteristics		Equal percentage, straight line
Adjustable range		50:1
Rated CV		Equal percentage：10~1400 straight line：11~1500
Allowable leakage		Seal grade: IV (0.01% valve rated flow); soft seal: v
performance index	Driving mode	Pneumatics	Electric
	Basic error	±1.0	±1.0
	Return difference	≤1.0	≤1.0
	dead zone	≤0.6	≤1.0
	Always point deviation	±2.5	±2.5
	Rated Travel Deviation	≤2.5	≤2.5

Drawing of pneumatic head top guide sleeve control valve

Connection dimension of pneumatic control valve

DN In		203/4	251	321-1/4	401-1/2	502	652-1/2	803	1004	1255	1506	2008	25010	300 12
L	PN16/25	181	184	200	222	254	276	298	352	410	451	600	650	700
	PN40	181	184	200	222	254	276	298	352	410	451	600	670	770
	PN64	210	210	210	241	286	311	337	394	440	508	650	690	800
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		132	132	158	170	179	214	221	234	270	294	331	390	450
H2		285	285	285	285	285	360	360	360	470	470	470	580	580
H3		208	208	224	228	228	334	334	342	408	453	482	520	550
H4		153	153	153	153	153	181	181	181	247	247	247	/	/
A		200	200	200	200	200	240	240	240	350	350	350	450	450
C		282	282	282	282	282	360	360	360	470	470	470	650	650
flange		Executable：GB、HG、JB、DIN、JIS、ANSI And other corresponding standards

Drawing of electric head top guide sleeve control valve

Connection dimension of electric control valve

DN In		203/4	251	321-1/4	401-1/2	502	652-1/2	803	1004	1255	1506	2008	25010	300 12
L	PN16/25	181	184	200	222	254	276	298	352	410	451	600	640	880
	PN40	181	184	200	222	254	276	298	352	410	451	600	640	880
	PN64	210	210	210	251	286	311	337	394	440	508	650	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		132	132	158	170	179	214	221	234	270	294	331	390	450
H2		373	373	456	456	538	538	548	548	725	725	725	795	795
H3		208	208	224	228	228	334	334	342	408	453	482	520	550
H4		90	90	90	90	90	90	90	90	90	90	90	90	90
A		225	225	225	255	255	255	255	255	310	310	310	350	350
flange		Executable：GB、HG、JB、DIN、JIS、ANSI And other corresponding standards