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Model: Z45
Nominal diameter: DN50 ~ 700MPa
Nominal pressure: PN1.0 ~ 1.6MPa
Temperature: ≤200 ℃
Main material: gray iron, steel
Operation: manual, electric, gear
Design and manufacture: GB / T12234- 89
Structure Length: GB / T12221-89
Flange Size: JB79 GB / T9112-9131
Inspection and Testing: JB / T9092-99 GB / T13927-92

First, Z45 cast iron dark bar valve main features and uses

1, Compact structure, reasonable design, good valve rigidity, smooth passage, small flow resistance coefficient. 
 2, the sealing surface of stainless steel and carbide, long life. 
 3, Flexible graphite packing, reliable sealing, light and flexible operation. 
 4, the driving mode sub-manual, electric, pneumatic, gear drive, structure type: elastic wedge single gate, rigid wedge single gate and double gate model. 
 5, Widely used in petroleum chemical industry, thermal power plants and other oil products, water vapor pipeline for access or cut off the medium pipeline opening and closing devices. 

 

Second  , Z45 cast iron dark bar gate valve main technical parameters

Model	Nominal pressure MPa	Test pressure MPa		Operating temperature	Use media
		seal	strength
Z45H-10	1.0	1.1	1.5	≤200 ℃	Water, steam, oil
Z45T-10
Z45W-10				≤100 ℃	Oil, gas

 

Third, Z45 cast iron dark rod valve main parts and materials

model	Body, bonnet, gate	gate	Sealing ring	Stem nut	Valve stem	filler
Z45H-10	Gray cast iron, cast steel	Carbon steel + alloy steel	Stainless steel, alloy steel	bronze	Carbon steel, stainless steel	Oil impregnated asbestos packing
Z45W-10	grey cast iron	grey cast iron	brass		Carbon steel
Z45T-10	grey cast iron	Gray cast iron + brass	brass		Carbon steel, brass

 

Fourth, Z45 cast iron dark bar gate valve main dimensions and weight

DN (mm)	Size (mm)								Weight   (kg)
	L	D	D1	D2	b	Zd	H	D0
50	180	160	125	100	20	4-18	345	180	17
65	195	180	145	120	20	4-18	376	180	20
80	210	195	160	135	22	4-18	417	200	27
100	230	215	180	155	22	8-18	460	200	50
125	255	245	210	185	24	8-18	525	240	70
150	280	280	240	210	24	8-23	567	240	95
200	330	335	295	265	26	8-23	705	320	150
250	380	390	350	320	28	12-23	800	320	200
300	420	440	400	368	28	12-23	886	400	280
350	450	500	460	428	30	16-23	968	400	360
400	480	565	515	482	32	16-25	1090	500	500
450	510	615	565	538	32	20-25	1175	500	590
500	540	670	620	585	34	20-25	1414	720	680
600	600	780	725	685	36	20-30	1593	720	951
700	660	895	840	800	40	24-30	1812	800	1950