Parallel type double disc gate valve manufacturer

Parallel type double disc gate valve manufacturer

Parallel double gate valve（Description）

Z44 parallel double GATE VALVE IS suitable for the medium of water, sewage pipeline as closed circuit equipment, not allowed to adjust the flow and emptying. This kind of gate valve is widely used in petroleum, chemical, pharmaceutical, electric power and other industries. It is used for opening and closing the pipeline of steam, water, oil and other media with nominal pressure ≤l.0MPa. Our factory can produce parallel double gate valve, parallel single gate valve, open rod parallel double gate valve, open rod parallel single gate valve.

Structural features

1. When the system is working normally, the gate is opened and closed at a constant speed of 1.0m/min; When the system is in an accident state such as power failure, the shutdown is divided into two stages: fast and slow. 100-20% open degree is fast closing, time 10 (S). 20-0% open for slow closing, time 40 (S)
2. Used in the pump outlet as a cut-off, check valve use, the valve also has a stem locking device. Ensure safe operation.
3. Z943T gate valve adopts new electric device, which can be operated locally or controlled remotely, and can meet the requirements of computer program control. The control is accurate, safe and reliable.

	Model	Nominal pressure (MPa)	Test pressure (MPa)	Operating temperature (℃)	Applicable medium
	Strength (water)	Seal (water)
	Z44T-10	1.0	1.5	1.1	≤120	Steam, water
	Z44W-10				≤100	oil, gas

Material of main parts

name	Materials
Z44T-110	Z44W-10
Valve body、 Valve deck	Gray iron	Gray iron
Valve plate	Gray iron+ steel	Gray iron
Valve rod	Carbon steel	Carbon steel
	cast steel	cast steel
Valve rod screw nut	Green steel	Green steel

Boundary dimension and conncetionsize

Model	Nominal diameter DN（mm）	Szie	Weight(kg)
L	D	D1	D2		b-f	Z-Φd	H	Do
Z44T-10 Z44W-10 Z44H-10 Z44F-10	40	165	145		145	85	18-3	4-18	240	135	16.5
	50	180	160		160	100	20-3	4-18	260	180	20
	65	195	180		180	120	20-3	4-18	300	180	25.5
	80	210	195		195	135	22-3	4-18	345	200	31
	100	230	215		215	155	22-3	8-18	395	200	47
	125	255	245		245	185	24-3	8-18	478	240	64
	150	280	280		280	210	24-3	8-23	558	240	100
	200	330	335		335	265	26-3	8-23	720	320	144
	250	380	390		390	320	28-3	12-23	845	320
	300	420	440		440	368	28-4	12-23	990	400
	350	450	500		500	428	30-3	16-23	1100	400
	400	480	565		565	482	32-3	16-25	1200	500
	450	510	615		615	532	32-3	20-25	1300	500
	500	540	670		670	585	34-3	20-25	1500	500