Self-Operated Micro-Pressure Regulating Valve

Keywords: metering pump accessories

Classification:

Self-operated regulating valve

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DESCRIPTION

Commodity name: Self-Operated Micro-Pressure Regulating Valve

Technical parameters of self-operated micro (differential) pressure regulating valve

Nominal diameter DN		20	25	32	40	50	65	80	100	125	150	200
Rated flow coefficient Kv		7	11	20	30	48	75	120	190	300	480	760
Allowable pressure difference (Mpa)	PN16	1.6								1.5		1.2
Allowable pressure difference (Mpa)	PN40	2.0								1.5		1.2
Bonnet form		Standard type (integral type)
Gland type		Bolt pressing type
sealing packing		V-type PTFE filler, impregnated PTFE asbestos filler, asbestos textile filler, graphite filler
Pressure segment range (KPa)		0.5～6 　　5～10　 9～15　 12～19　 18～25 　22～30 28～35 　32～40　 38～50 　48～60　 58～72　 70～100
Minimum pressure difference P to ensure normal operation of the pressure regulating valve		≥0.01(MPa)
Operating temperature		≤80℃
Suitable for medium		Gas, steam, low viscosity liquid
Spool form		Single seat, sleeve type valve core
Traffic characteristics		linearity

Product parameters

Performance indicators of self-operated micro (differential) pressure regulating valve

Adjustment accuracy		≤10%
Allowable leakage (under specified experimental conditions)	Hard seal	4×0.01% valve rated capacity
	Soft seal	DN(mm)
		20	25	32	40	50	65	80	100	125	150	200
		0.15		0.3		0.45	0..6	0.9	1.7	4.0		6.75

Self-operated micro (differential) pressure regulating valve parts materials

Part Name	Part material
valve body	WCB (C)	CF8 (P)	CF8M (R)	CF3M(RL)
valve seat	304	304	316	316L
Cushion core	304	304	316	316L
cap	Q235	304	316	316L
Stem	304	304	316	316L
lower membrane cover	Q235
Diaphragm	EPDM or FKM fiber sandwich
Upper film cover	Q235
Gland	Q235
Threaded cap	Q235

Self-operated micro (differential) pressure regulating valve link size

Nominal diameter (DN)	20	25	32	40	50	65	80	100
L	150	160	180	200	230	290	310	350
H	52.5	57.5	75	75	85.5	92.5	100	110
H1	323	350	370	370	370	397	397	400
A	308	394	308	394	308	394	394	394
Pressure pipe interface thread	M16×1.5
WeightG(Kg)	12	18	25	32	45	58	68	76

Self-operated micro (differential) pressure regulating valve product selection

Valve body parameters: nominal diameter, working pressure, process medium, usage occasion, valve body material and other series of parameters.
Please provide the above technical parameters in detail as much as possible to facilitate our company's production and technical personnel to accurately select the model for you. If you have any questions, you can call us and we will do our best to provide you with quality service!

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