Shangtai 3PC Lockable Ball Valve is manufactured for applications requiring lockable on/off control. As a direct manufacturer, Shangtai provides customizable temperature and pressure components to meet specific operating requirements. CE and ISO 9001 certificates are available, along with material documentation for applicable products.
The Shangtai 3PC Lockable Ball Valve is engineered for secure and high-performance fluid control. Featuring a robust
locking mechanism to prevent unauthorized or accidental operation, it is an essential component for critical
industrial safety. We understand that working conditions vary; therefore, we provide flexible customization options
for internal components (such as seats and seals) to perfectly match your specific temperature and pressure
requirements.
Main Dimensions
Size
1/4" - 6"
Pressure Class
CL150
Thread Standard
NPT、BSP
Max Pressure
285PSI
Design and manufacturing standards
ASME B16.34
Testing and inspection
API598
Pressure-Temperature Ratings
ASME B16.34
Temperature Range
-25℃~150℃
Body material
ASTM A351 CF8M(316)
Ball Material
ASTM A182 F316
Stem Material
ASTM A182 F316
Seat Material
RPTFE(PTFE+15%fv)
Options
Other materials are available upon request.
No
Name
Material(*N/B)
1
Body
SS 316
SS 304
2
Ball Seat
PTFE
PTFE
3
Cap
SS 316
SS 304
4
Bolt
SS 304
SS 304
5
Nut
SS 304
SS 304
6
Spring
SS 304
SS 304
7
Ball
SS 316
SS 304
8
Friction ring
PTFE
PTFE
9
Stem
SS 316
SS 304
10
Stem packing
PTFE
PTFE
11
Locking
SS 304
SS 304
12
Gland
SS 316
SS 304
13
Handle
SS
SS
14
Nut
SS 304
SS 304
15
Handle
PVC
PVC
* N: Thread ends according ANSI B 2.1 NPT
* B: Thread ends according BS21 BSP
General Dimensions:
Size
D (mm)
W (mm)
H (mm)
L(mm)
Weight(kg)
1/4"
8
98
55
62
0.4
3/8"
10
98
55
62
0.4
1/2"
15
102
63
65
0.44
3/4"
20
105
65
72
0.56
1"
25
110
71
81
0.76
1 1/4"
32
128
75
95
1.28
1 1/2"
38
155
86
104
1.6
2"
49
165
92
125
2.3
2 1/2"
63
205
125
145
4.9
3"
76
220
145
198
7.52
4"
100
275
165
245
13.2
Kv VALUES
Kv (m3/h) = Flow rate of water in cubic meter per hour that will generate a pressure drop of 1 bar across the valve.
1/4"
3/8"
1/2"
3/4"
1"
1 1/4"
1 1/2"
2"
2 1/2"
3"
4"
106
110
24
43
83
130
205
340
520
1100
1820
Why Choose Shangtai?
1. Superior 3 Piece Design for Easy Maintenance
Unlike standard 1 piece or 2 piece valves, our 3 piece structure allows the center body to out easily. This means
you
can replace internal seals and perform routine maintenance without removing the entire valve from the pipeline,
significantly reducing system downtime and labor costs.
2. Uncompromising Quality Control
We stand out in the market through our rigorous inspection standards. Shangtai is proudly ISO9001 and CE certified.
Compared to average market alternatives, our valves undergo stricter pressure and leak testing. We provide complete
Material Test Reports (MTRs) with every order, ensuring 100% transparency and reliability for your projects.
3. True Source Factory: Balancing Cost and Quality
We are not an assembly workshop or a trading company. Shangtai owns the entire manufacturing process—from rough
casting
to precision machining and final assembly—all within our own facility. This total supply chain control eliminates
middleman markups, allowing us to deliver premium industrial-grade valves at highly competitive prices.
FAQ
1. What is a 3PC Lockable Ball Valve?
A 3PC Lockable Ball Valve is a three-piece ball valve with a locking handle designed to help prevent unintended
valve operation. The three-piece body also allows easier access to internal components for inspection and
maintenance.
2. What is the purpose of the locking handle?
The locking handle can be secured in the selected valve position, helping reduce the risk of accidental opening or
closing during operation, maintenance, or equipment servicing.
3. What materials are available for this ball valve?
Common material options include stainless steel and carbon steel, depending on the valve model and application
requirements. Seat and seal materials can also be selected according to the working temperature and medium.
4. What media can the valve be used with?
The valve can be used for compatible water, oil, gas, compressed air, and industrial fluids. For corrosive
chemicals, high-temperature media, or other special fluids, material and seal compatibility should be confirmed
before selection.
5. What pressure and temperature range can it handle?
The applicable pressure and temperature range depends on the valve size, body material, seat material, connection
type, and specific configuration. The actual operating conditions should be checked against the product's
pressure-temperature rating.
6. Can the valve be used with a pneumatic or electric actuator?
Yes. Depending on the valve configuration, pneumatic or electric actuators can be used for automated on/off control.
The actuator mounting interface and required operating torque should be confirmed before assembly.
Contact our team with product specifications, working conditions, connection standards, pressure requirements, or drawings. We provide valve recommendations, customization options, pricing, and technical support according to your project needs.
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