Z641H pneumatic valve

關注次數(shù)：

Z641H pneumatic valve characteristics:
The actuator 1 pneumatic valve has the positive, reverse two kinds of functions, open, close the valve open, gas gas off in two ways. Gate valve with metal contact unique structure, reliable action, has cut a very high performance, superior than the conventional cut-off valve. Allowable leakage rate up to 10-8 * KV. The use of a wide range, temperature from -196 ℃ to 500 ℃, diameter up to 40mm, to 600mm. seat with parallel, 60 ° V and 90 ° V incision incision three, adapt to different use occasions.
Heat 2 body available jacket forms, with medium cooling after blockage, using condensation or coking.

Z641H pneumatic valve material selection:
1 the valve body, valve cover: ZG230-450 valve plate: 1Cr18Ni9Ti division Chatterley alloy welding rod: 1Cr18Ni9Ti gate: 1Cr18Ni9Ti division Chatterley alloy welding cylinder: seamless steel pipe: aluminum alloy piston ring: oil resistant O rubber
2 packing: PTFE, flexible graphite

The main technical parameters of Z641H gas valve:

Nominal diameter of DN(mm)	40	50		80	100	125	150	200	250	300	350	400	450	500	600
The rated flow coefficientKV	170	270		510	940	1400	2200	3500	8500	9600	13000	17000	55000	27000	38000
Nominal pressure PN(MPa)	1.66.4
Piston diameter D(mm)	120	160	280	360	420	540
Operating pressure P(MPa)	0.3~0.5
Medium temperature t(℃)	Standard：-20~250; High temperature：250~500; Low temperature：-196~-20
Allowable leakage	10-8×KV
Flow characteristics	The linear approximation
Action mode	To continue, continuous (valve positioner)

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Z641H pneumatic valve

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