standard specification
type		diameter	apadter diameter	coil	working pressure	working pressure	kv(Hz)	change frequency
normal closed	normal open
927000	955105	8	G1/4	200,201	0.07Bewteen1	>0.1	1.15	>0.1
927100	955205	10	G3/8				1.7
927200	955305	12	G1/2				1.7
927300	955405	20	G3/4				5.1
927400	955505	25	G1				5.35
927500	955605	32	G11/4		0.1bewteem1.6		20
927600	955705	40	G11/2				25	>0.3
927700	955805	50	G2				43