The pneumatic membrane single-seat regulating valve

The pneumatic membrane single-seat regulating valve of this series of products is based on the advantages of introducing,

digesting and absorbing the latest generation of regulating valve products in the world,

applying domestic mature design and manufacturing experience, and combining the actual use and maintenance needs of users on the spot.

A new generation of specialty products adopts IEC international standards.

The installation height is 30% lower than the old products at home and abroad, and the weight is 30% lower,

The flow coefficient Kv value is increased by 30%, saving materials and energy.

It has the advantages of reliable action performance, accurate Traffic characteristics,

large adjustable range, small valve seat leakage, stable operation, etc.

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DNDN	G3/4	20	25	32	40	50	65	80	100	125	150	200	250	300
Valve seat diameter (mm)	6 7 8 9 10	20	25	32	40	50	65	80	100	125	150	200	250	300
Stroke (mm)	16			25			40			60			100
differential pressure	2				1.2	1	1.1	1	0.7	0.6	0.5	0.3	0.2	0.1
Pneumatic actuator model	FLZHB(K)-16			FLZHB(K)-25			FLZHB(K)-40			FLZHB(K)-60			FLZHB(K)-100
Air source pressure (Mpa)	Air source pressure 0.14～0.36
Air connection	Rc1/4" Rc3/8"
nominal pressure	1.6 2.5 4.0 6.4Mpa ANSI 150LB 300LB 600LB
Upper bonnet form	Normal temperature type (-40℃～220℃), heat dissipation type (220℃～425℃), low temperature type (-100℃～60℃), bellows type (-40℃～425℃)
body Material	WCB、WC6、WC9、304、316、304L、316L
Valve core, valve seat, valve stem	304、304L、316、316L
Adjustable range	50:01:00
Traffic characteristics	Straight line, equal percentage, Fast-open feature
The form of action	Air-on type、gas-off type
Flange standard	符合HG20595-97 ANSI B16.1 B16.5 B16.24
Attachment	Electrical valve locators、solenoid valves、 air filtration relief valves、limit switches、Valve position feedback device, handwheel mechanism

The pneumatic membrane single-seat regulating valve