Pneumatic thin film cryogenic control valve

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Pneumatic thin film cryogenic control valve

Model: ZMAP-D
Nominal diameter: DN15 ~ 200mm
Nominal pressure: PN16 ~ 64MPa
Temperature: -60 ~ -250 ℃
Main material: carbon steel, stainless steel, chromium molybdenum steel
Medium: oxygen, nitrogen and other
Driving mode : aerodynamic
Design criteria: GB / T17213
Flange standard: GB / T9113, JB / T79 , HG20594 and other standard
Inspection standards: GB / T4213
Form connect: flange (FF RF RTJ), welding (SW BW), thread (for Within 1 "

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產(chǎn)品詳細

First, the main technical performance indicators

Leakage rate: single seat valve, small flow valve is less than the rated capacity of the valve 10-4

Double-seat valve, less than the rated capacity of the valve 5 × 10-3

Back to the difference: with locator, less than 3% of the full stroke

Basic error: with locator, less than ± 3 full stroke

Note: The standard V-type PTFE packing.

Second, the main technical parameters

DN(mm)
Seat diameter (mm)		3	4	5	6	7	8	9	10	12	15	20	26	32	40	50	66	80	100	125	150	200
Flow coefficient KV	Small flow valve	0.08	0.12	0.20	0.30	0.50	0.80	1.00	-	-	-	-	-	-	-	-	-	-	-	-	-	-
	Single seat valve	-	-	-	-	-	-	-	1.2	2.0	3.2	5.0	8	13	22	32	50	80	120	200	280	450
	Double seat valve	-	-	-	-	-	-	-	-	-	-	-	10	16	25	40	72	100	160	250	400	630
Rated travel (mm)		10											16		25		40			60
Adjustable range		30: 1
Nominal pressure		Standard products 1.6,4.0,6.4 MPa;
Spool form		Single, double-seat valve for the direct casting ball valve, a small flow valve forging valve
Flow characteristics		Equal percentage, straight line, quick opening
The role of form		Open air, gas off type
Operating temperature		-250 ~ 60 ℃
Flange standard		In line with JB78-59, JB79-59 standards, according to JB / T79.1-94, JB / 179.2-94, HG20592-2009, ANSI, JIS, DIN and other standard order production
Execution agency		ZMAB pneumatic film actuator, ZHAB small pneumatic film actuator
Can be equipped with accessories		Positioner, Solenoid valve, Air filter regulator, Limit switch, Valve position feedback, Emergency action device, Hand wheel mechanism, etc.

Note: The working temperature, the nominal pressure, the nominal diameter of the products beyond the scope of the list can negotiate with the Company to resolve.

Third, the medium temperature range

Nominal diameter takeover coordinate size H (mm) for the temperature range (℃)	D1	D2	D3
	-60 ~ -100	-100 ~ -200	-200 ~ -250
G1 / 2 , G3 / 4 , 20 ~ 50	500	700	900
65 ~ 100	600	800	1000
125 ~ 200	700	900	1100

Note: The working temperature, the nominal pressure, the nominal diameter of the products beyond the scope of the list can negotiate with the Company to resolve.

Fourth, the main components and parts

Part name	Body	Core seat	filler
Material	Cast stainless steel (ZG1Cr18Ni9Ti, ZGOCr18Ni12Mo2Ti), etc.	1Cr18Ni9Ti, OCr18Ni12Mo2T and so on	V-type PTFE

Fifth, flange distance and dimensions

Nominal diameter	L (mm)			H2 (mm)		H1 (mm)		D (mm)	D1 (mm)	D2	D3	nd
Nominal diameter	PN1.6	PN4.0	PN6.4	Open air	Qi off	Small flow valve single seat valve	Double seat valve	D (mm)	D1 (mm)	D2	D3	nd
G1 / 2 , G3 / 4	80			412	365	19	-	230	135	160	190	-
20	180	180	190	492	445	74	-	280	235	260	290	8-φ14
25	185	190	200	440		99	104		235	260	290
32	200	210	210	443		105	107		255	285	315
40	220	230	235	489		117	127	325	280	305	355	8-φ16
50	250	255	265	499		132	132	325	310	340	370	8-φ16
65	275	285	295	641		165	175	410	345	375	410	10-φ16
80	300	310	320	644		168	185		370	405	440	10-φ18
100	350	355	370	653		177	202		430	460	490	12-φ18
125	410	425	440	784		225	250	495	470	525	560	16-φ18
150	450	460	475	782		233	260		550	590	630	16-φ18
200	550	560	570	779		272	302		660	700	740	20-φ18

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Pneumatic thin film cryogenic control valve

Pneumatic thin film cryogenic control valve