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Automatic compensation balance double flat plate gate valve

Products > Other valve series > Automatic compensation balance double flat plate gate valve

Automatic compensation balance double flat plate gate valve

Product model: BZ44Y
Nominal diameter: DN50 ~ 900mm
Nominal: PN1.6 ~ 10.0MPa
Main material: cast iron, cast steel, stainless steel, etc.
Operation: manual, gear, pneumatic, hydraulic, electrical
Temperature: -29 ~ or by user request 121 ℃
medium: oil, gas, water and other non-corrosive media (ordinary type), containing H2S, CO2 oil, gas, water and other corrosive media (sulfur type anti)
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【Automatic compensation balance double flat plate gate valve】 Structural features

Automatic compensation balance double flat plate gate valve is a novel structure of the gate valve products, it has a small opening and closing torque, speed, vibration, long life, safe and reliable operation, and other characteristics, mainly for gas, liquid pipeline cut off or Release.

Series parallel double gate valve structure features:

1, the valve uses two parallel to the gate and its wedge device composed of a sealed structure to replace the traditional wedge gate valve structure. 
2, the valve seal body parts separated from each other, even when the temperature changes caused by deformation can still ensure that the seal, and will not be due to high temperature expansion of the gate can not open the crowded. 
3, the valve seal with wear-resistant, corrosion-resistant materials made to extend the service life of the valve. 
4, in the case of high temperature and high pressure, the inlet side of the gate is designed to be pressure relief way, to prevent the temperature changes caused by the abnormal increase in the phenomenon of cavity pressure to ensure the use of safety. 
5, fully enclosed structure, good protection, can be used around the clock.

【Automatic compensation balance double flat plate gate valve】 the main parameters

Basic model

(k) Z44WH (Y), (K) Z544WH (Y), (K) Z644WH (Y), (K) Z744WH (Y), (K) Z944WH (Y)

(k) Z64WH (Y), (K) Z564WH (Y), (K) Z664WH (Y), (K) Z764WH (Y), (K) Z964WH (Y)

Pressure level range

PN1.6 ~ 10.0MPa

Class 150 ~ 600

Path range

DN150 ~ 100mm

2 "~ 40"

Drive mode

Hand wheel drive

Gear, pneumatic, hydraulic, electric

The scope of application

Class 150 ~ 300 (PN1.6 ~ 4.0)

Class400 (PN6.4)

Class600 
(PN10.0)

4 "to 36"

(DN100 ~ 900mm)

2 "~ 6" (DN50 ~ 150mm)

2 "to 4" (DN50 to 100 mm)

2 "~ 3" (DN50 ~ 80mm)

Note: The company can provide products according to user requirements.

【Automatic compensation balance double flat plate gate valve】 performance specifications

Pressure Level

Normal temperature test pressure (MPa)

proper temperature

Applicable media

Shell experience

Left sealed

Right seal

Low pressure gas seal

normal type

Anti-sulfur type

Nominal pressure 
(MPa)

1.6

2.4

1.76

1.76

0.6

-29 ~ 121 ℃
Or according to
user requirements

Oil, natural gas,
water and other
non-corrosive media

Containing H2S, CO2 oil,
natural gas,
water and other corrosive media

 

2.5

3.75

2.75

2.75

0.6

4.0

6.0

4.4

4.4

0.6

6.4

9.6

7.04

7.04

0.6

10.0

15.0

11.0

11.0

0.6

Lb (lb)

150

3.0

2.2

2.2

0.6

300

7.5

5.5

5.5

0.6

600

15.0

11.0

11.0

0.6


【Automatic compensation balance double flat plate gate valve】 The main dimensions

PN1.6,2,5MPa PN2.0MPa (Class150)

DN (mm)NPS (in)FlangeButt weldingManualTooth movementTooth gearPneumatic hydrodynamicelectricElectric device
LL1HH2D0BB1B0PP1P0EE1E0
502178216475360250-------690572200SMC-04
6521/2190241535425300-------747637200SMC-04
803203283600460300----1075820250812672200SMC-04
1004229305700535350----1240945250960795508SMC-03
1506267403910685350----140010653001170945508SMC-03
200829241910958153501235900310BA-01595121030013551075508SMC-03
25010330457137096545015101050310BA-01800137035016301095305SMC-00
300123565021470110050016101185310BA-02090159035017301230305SMC-00
350143815721730125060018901345460BA-12420184535020201417305SMC-00
400164066101870137565020301470460BA-12615199540021601532305SMC-00
450184326602185148570024151625460BA-22895220550025001651305SMC-1
500204577112335157580025651715460BA-23160240560026501741305SMC-1
6002450881328151995100030452135460BA-23885295565031302161457SMC-2
70028610914-------4065309070036302470457SMC-2
80032660965----------41352933610SMC-3
900368131016-------+++46053260610SMC-3


PN4.0MPa PN5.0MPa (Class300)

DN (mm)NPS (in)FlangeButt weldingManualTooth movementTooth gearPneumatic hydrodynamicelectricElectric device
LL1HH2D0BB1B0PP1P0EE1E0
502216216475360250-------690572200SMC-04
6521/2241241535425300-------747637200SMC-04
803283283600460300----1075820250860720500SMC-03
1004305305700535350----1240945250960795500SMC-03
1506403403910685350----140010653001170945500SMC-03
200841941910958153501235900310BA-0159512103001355945305SMC-00
25010457457137096545015101050310BA-01800137035016301095305SMC-00
300125025021470110050016101185310BA-02090159035017601257305SMC-0
350147627621730125060018901345460BA-12420184535020201407305SMC-0
400168388381870137565020301470460BA-12615199540021851541305SMC-1
450189149142185148570024151625460BA-22895220550025001651305SMC-1
500209919912335157580025651715460BA-23160240560026951757457SMC-2
600241143114328151995100030452135460BA-23885295565031752177457SMC-2
7002813461346-------4065309070036702606610SMC-3
8003215241524----------41362933610SMC-3
9003617271727-------+++46733317610SMC-4

 

PN6.4MPa 

DN (mm)NPS (in)FlangeButt weldingManualTooth movementTooth gearPneumatic hydrodynamicelectricElectric device
LL1HH2D0BB1B0PP1P0EE1E0
502250292499378250-------723601200SMC-04
6521/2280330562446300-------785670200SMC-04
803310356630483300----1130861250902756508SMC-03
1004350406735562350----13029922501007838508SMC-03
15064504959567203501096805305BA-0147011183001216848305SMC-00
200855059711508564001290941305BA-01675127130014401013305SMC-0
250106506731439101350015801098305BA-01890144035017281170305SMC-0
300127507621545115560017051250458BA-12195167035018331312305SMC-0
350148508261817131365019771408458BA-12542193735021311480305SMC-1
400169509021965144570021251540458BA-12746209540022781610305SMC-1
4501810509782295156080025251700458BA-23040231550026551741457SMC-2
500201150105424521655100026821795458BA-23318252560028121836610SMC-3
6002413501232---31862235458BA-24080310365033562413610SMC-3
7002814501397-------4268324570039022777610SMC-4
8003216501651----------43933121610SMC-4
9003618801880----------48633428760SMC-5

 

Class400 

DN (mm)NPS (in)FlangeButt weldingManualTooth movementTooth gearPneumatic hydrodynamicelectricElectric device
LL1HH2D0BB1B0PP1P0EE1E0
502292292499378250-------723601200SMC-04
6521/2330330562446300-------785670200SMC-04
803356356630483300----1130861250902756508SMC-03
1004406406735562350----13029922501007838508SMC-03
15064954959567203501096805305BA-0147011183001216848305SMC-00
200859759711508564001290941305BA-01675127130014401013305SMC-0
250106736731439101350015801098305BA-01890144035017281170305SMC-0
300127627621545115560017051250458BA-12195167035018331312305SMC-0
350148268261817131365019771408458BA-12542193735021311480305SMC-1
400169029021965144570021251540458BA-12746209540022781610305SMC-1
450189789782295156080025251700458BA-23040231550026551741457SMC-2
500201054105424521655100026821795458BA-23318252560028121836610SMC-3
6002412321232---31862235458BA-24080310365033562413610SMC-3
7002813971397-------4268324570039022777610SMC-4
8003216501650----------43933121610SMC-4
9003618801880----------48633428760SMC-5