Electric Welding Gate Valve

Electric Welding Gate Valve:

1. Product Brief Introduction:

(1). Model: Z960Y

(2). Standard: JB/T3595

The manufacture and specification shan be based on the Japanese standard E101 applied for the thermal power and JB/T3595-93
The length shall bein line with E101 or by user’s specification.
Welding groove shan be in according with power industry specification 78DG or hg user’ specification
The size in enclosure is old production’s size

(3). Nominal Diameter: 100 mm to 300 mm

(4). Electric Device: DZW45, DZW60, DZW180, DZW350

(5). Weight: 234, 343, 638, 654, 1973 kg

2. Electric Welding Gate Valve Material: (See the Chart)

Product type PN(Mpa)Nominal pressure		Test pressure Mpa		Working pressure Mpa	Working temperature	Applicable medium
		Sheel test	Seal test
Z960Y-250	25	37.5	27.5	-	≤425	Water,steam
Z960Y-320	32	48.0	36.0	-	≤425
Z960Y-P54100	-	30.0	22.0	P5410	≤540	Steam
Z960Y-P54170	-	48.0	36.0	P5417	≤540
Material for main parts
Part name		Material designation
Body		WCB		WC6		WC9
Disc		WCB		WC6		WC9
Bonnet		25		12Cr1Mo1VA
Stem		1Cr17Ni2		20Cr1Mo1VA
Seat		25		12Cr1Mo1VA
Sealing ring		S soft steel (flexible graphite)		S soft steel		F Soft steel
Packing		Fexible graphite
Yoke		WCB		WCB OR WC6
Stem nut		45(ZCuZn25A16Fe3Mn3)
Four piece ring		1Cr13		20Cr1MoVA