Fixed Ball Valve
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Fixed Ball Valve

The Fixed ball valve produced by MST is suitable for cutting off or connecting the medium in the pipeline. It is made of different materials and can be used to transport water, steam, oil, nitric acid, acetic acid, oxidizing media, urea, etc.; Fixed ball valve is widely used It is used in petroleum refining, long-distance pipeline, chemical industry, papermaking, pharmaceutical, water conservancy, electric power, municipal administration, steel and other fields.

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Product Description

Buy Low Price Fixed Ball Valve From Our Factory with High Quality in China
1.Introduction of Fixed Ball Valve

The Fixed ball valve produced by MST is suitable for cutting off or connecting the medium in the pipeline. It is made of different materials and can be used to transport water, steam, oil, nitric acid, acetic acid, oxidizing media, urea, etc.; Fixed ball valve is widely used It is used in petroleum refining, long-distance pipeline, chemical industry, papermaking, pharmaceutical, water conservancy, electric power, municipal administration, steel and other fields.


2. Technical Parameters of Fixed Ball Valve

Type of Valve
Fixed ball valve
DN
DN50~DN1400
PN(MPa)
1.6~20Mpa
Design Temperature Range
-15℃~425℃
Connection type:
Flanged
Actuator type
Manual drive, Pneumatic, Hydraulic or electric Actuator
Sealing
Metal Hard Seal
Applicable Medium
Water, oil, gas, and various corrosion medium

Spare Parts
Material
Body
Forged steel, Cast steel, Stainless Steel,
Ball
Forged steel, Cast steel, Stainless Steel,
Stem
Forged steel, Stainless Steel,
Seat ring
Forged steel, Stainless Steel,
Seat 
PTFE, RPTFE, NYLON, PEEK, PPL, POM, DEVLON
Gasket
Stainless Steel, flexible graphite spiral wound
Packing
PTFE, flexible graphite


Fixed ball valve is driven by worm gear, manual, pneumatic or electric. Fixed ball valve generally adopts flange connection, but also can adopt butt welding connection.


3. Advantages of Fixed Ball Balve and Floating Ball Valve

Compared with the floating ball valve, when the Fixed ball valve works, all the force generated by the fluid pressure in front of the valve on the ball is transmitted to the bearing, and the ball will not move to the valve seat, so the valve seat will not bear excessive pressure, so it is fixed The ball valve has small torque, small valve seat deformation, stable sealing performance and long service life, and is suitable for high pressure and large diameter occasions.


4.Structural Features of Fixed Ball Valve 

1) Fixed ball valve has two-piece and three-piece valve body structures, and the middle flange is connected by bolts;
2) The Fixed ball valve is sealed with reinforced PTFE embedded in the stainless steel ring. There is no spring at the back of the steel ring to ensure that the valve seat is tightly attached to the ball and keeps the seal.
3) The upper and lower stems of Fixed ball valve do not have PTFE bearings, reducing friction and labor-saving operation. There is no adjusting plate at the bottom of the small shaft to ensure the joint position of the ball and the sealing ring.
4) Fixed ball valve is full bore: the flow aperture of the valve is the same as the inner diameter of the pipeline, so that the pipeline can be cleaned.
5) Each valve of Fixed ball valve has two valve seats, which can be sealed in each direction, so the installation has no flow direction restriction and is two-way. This valve is generally installed horizontally.



5. Packaging and Delivery


6. FAQ

1. Can i have a sample order for valve ?
A: Yes, we welcome sample order to test and check the quality, Mixed sample are accepted.
2. Do you have any MOQ limit for valve order ?
A: Low MOQ, 1 PC for sample checking is avaible.
3. Could you offer OEM service ?
A: Yes, OEM is availble.
4. How about the payment ?
A: We normally accept 30% deposit, and balance will be paid before shipping. L7C is OK
5. Whafs the delivery time of your butterfly valves?
A: For most of the sizes,DN50-DN600,we have stock of valve parts,it*s possible to deliver in 1-3 weeks,to nearest seaport Tianjin.
6. Whafs the warranty of your products?
A:We normally offer 12 months of warranty in service or 18 months since shipping date.
7. What is your products standardization?
A: GB/T12238-2008, JBfT 8527-1997, API 609,EN 593-1998, DIN 85003-3-1997


7.Contact Information

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