Blowout Preventer Parts Two-Position Four-Way Rotary Valve 24zs21-25

Product Details
Customization: Available
Manufacturing Process: Forging
Surface Treatment: Galvanized
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  • Blowout Preventer Parts Two-Position Four-Way Rotary Valve 24zs21-25
  • Blowout Preventer Parts Two-Position Four-Way Rotary Valve 24zs21-25
  • Blowout Preventer Parts Two-Position Four-Way Rotary Valve 24zs21-25
  • Blowout Preventer Parts Two-Position Four-Way Rotary Valve 24zs21-25
  • Blowout Preventer Parts Two-Position Four-Way Rotary Valve 24zs21-25
  • Blowout Preventer Parts Two-Position Four-Way Rotary Valve 24zs21-25
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Basic Info.

Model NO.
24ZS21-25
Operation Pressure
Atmospheric Pressure
Material
Cast Steel
Warranty
1 Year
Appplication
Oilfield
Colour
Customer Requirement
Condition
New
Transport Package
Container
Specification
3 1/8",3 1/2",4 1/8",4 3/4",5",6",,6 1/4′,6 1/2",6
Trademark
UPET
Origin
China
HS Code
73061900
Production Capacity
200000 PCS/Year

Product Description

Three-position four-way rotary valve (gas)
1.Overview
34ZR6Y-L8 type three-position four-port rotary valve is one of the main pneumatic components in the ground blowout preventer control device. This valve is mainly used in the driller's console. Through the reversal of this valve, the reversal of the three-position four-way valve is controlled to realize the opening or closing of the blowout preventer.
2. Main technical parameters
Model:24ZS21-25
Working pressure:21Mpa (3000psi)
Pass through:25mm (1in)
weight:9.5kg (20.9lb)
3. Structure and characteristics
The main components of the 34ZR6Y-L8 three-position four-way rotary valve include:
The lower valve body, wave spring, sealing ring, valve core, torsion spring, guard, handle, mandrel, pull pin, stop pin and other parts are composed.
This valve has the following characteristics:
The valve core and the sealing ring are sealed by differential pressure, so the higher the air pressure, the better the sealing performance and the more reliable the sealing; the wave spring plays a role of sealing and self-repair after the sealing ring is worn.
There is a torsion spring in the shield of the air rotary valve. When the handle rotates, the reaction force of the torsion spring needs to be overcome. When the external force is removed, the torsion spring drives the handle to automatically reset. Therefore, when there is no external force, the air rotary valve is always in the empty position.
4. Working principle
As shown in Figure 12, this valve has four ports, of which port P is the air inlet, port A and port B are the air outlet, connecting the two chambers of the working cylinder, and port O is the vent port, communicating with the atmosphere.
When the valve is reversing, the handle can have three positions: middle position (handle in the middle), closed position (handle rotates 45° to the right), open position (handle rotates 45° to the left),
Here are the following:
The middle position-A, B, O three ports are connected, at this time it is a "Y" type function.
Open position--P port is connected to A port, B port is connected to O port. At this time, the compressed air enters the rodless cavity of the cylinder through port A, and is driven by the air path
The three-position four-way valve opens the blowout preventer. At the same time, the gas on the other side of the cylinder cavity is vented through the B port of the valve.
Closed position--P port is connected with B port, A port is connected with O port. At this time, the compressed air enters the rod cavity of the cylinder through port B, and is driven by the air path
The three-position four-way valve closes the blowout preventer. At the same time, the gas on the other side of the cylinder cavity is vented through the A port of the valve.
5. Repair
Two-Position Four-Way Rotary Valve adopts a shear type seal, and generally will not malfunction due to clogging.
If oil leakage occurs to the rotary valve, it is best to replace the entire rotary valve.
If it can be judged that the seals such as the sealing ring, the valve core or the wave spring are malfunctioning, the four screws connecting the upper valve body and the lower valve body can be removed to separate the upper valve body from the lower valve body, and the seal can be removed and replaced Ring, valve core or wave spring.


Blowout Preventer Parts Two-Position Four-Way Rotary Valve 24zs21-25
Blowout Preventer Parts Two-Position Four-Way Rotary Valve 24zs21-25




Company Information
UPET OILFIELD EQUIPMENTS CO.,LTD is one of the most well-known suppliers for the oilfield equipments in China, was established in 2000, and now has grown up to a star company which is not big but very strong in this field with our persistant effort step by step in the past years.Our products refer to the whole areas of oilfields, from a very small spare part to a very big complete rig system. Our main products are: pump spare parts, mud pumps&packages, DC/AC Motors, solid control equipments, power units, truck-mounted rigs, workover rigs, land rigs, drilling pipes and drilling tools etc. All of our products are manufactured according to the API Standard, and we are authorized to use API monogram.
Our products have been exported to 15 countries& areas around the world, 80% of our exsisting customers have done the business with us by more than 5 times, no one-off customer. We will continue to expand our range, and win more customers' trust with our better and better performance.
We welcome the win-win cooperation relationship with the partners from any places in the world, each customer is our god and helper. Warmly welcome you to come to China and visit us!
With us, you will save money, time, trouble, and most important point is that you can sleep better.

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