*Has CE, ISO9001,UL certificate *long service life, good quality *up to 500million more cycles *free maintaince

eaternal pilot witch can prolong the service life, no leak for 500 million times,has adjustive airproof cover between relif orifice and slide block.

Control air source : neutral gas, air.

 Ordering Code:

   ZF         —             15                B

    |                            |                 |

Series           Pipe Size     Type of Gateway

                   15: G1/2          B: Normal Closed

                   20: G3/4          T: Normal Open

                   25: G1

                   32: G1 1/4

                   40: G1 1/2

                   50: G2

                   65: G2 1/2

 Figure Dimension

Pipe sizeφD		Executor dimensionφmm
G1/2		50
G3/4		50
G1		63
G1 1/4		63
G1 1/2		63
G2		63
G2 1/2

 Technical Parameter

specification     Item	Normal Closed	ZF-15B	ZF-20B	ZF-25B	ZF-32B	ZF-40B	ZF-50B	ZF-65B
	Normal open	ZF-15T	ZF-20T	ZF-25T	ZF-32T	ZF-40T	ZF-50T	ZF-65T
Material of body		Stainless Steel
Operating method		Plunger Pilot
Applicable medium		Air, water, oil, Steam(50CST Bellow)
Pipe size		ZG1/2	ZG3/4	ZG1	ZG1 1/4	ZG1 1/2	ZG2	ZG2 1/2
Nominal diameter mm		13	20	25	32	40	50	65
Kv (m3/h)		4.2	8	19	27.5	42	55	90
Pressure range Mpa		0~1.6	0~1.1	0~1.1	0~1.5	0~1.25	0~1.1	0~0.52
Min. control pressure mpa		0.39	0.39	0.42	0.5	0.44	0.32	0.32
Executor dimension φmm		50	50	63	80	100	125	125

Pneumatic Angel-seat valve (stainless steel)