3PC Flanged Forged Ball Valve Supplier | YKY Valve

3PC Flanged Forged Ball Valve

This 3PC flanged forged ball valve is engineered for tough industrial media. With its trunnion-mounted design and robust body, it minimizes leakage and withstands pressure shocks—making it a trusted choice for chemical processing, energy plants, and fluid control systems.

Valve Size: DN50 – DN600
Pressure Rating: PN16 / PN25 / PN40 / PN64 / PN100 / PN160; 150LB – 1500LB
Body Material: Stainless Steel (F304 / F316 / F316L), Carbon Steel (A105)
Ball Material: Stainless Steel
Seat Material: PTFE / RPTFE / PEEK
Connection: RF / RTJ
Operating Temperature: -29°C to 121°C
Applicable Media: Nitric acid, acetic acid, water, oil, steam

Product Technical Specifications

Model No.: Q347F
Design Standards: GB/T 12224, ASME B16.34, API 6D
Flange Connection Standards: JB/T 79.1, ASME B16.5
Face-to-Face Dimensions: GB/T 12221, ASME B16.10
Pressure Test Standards: GB/T 13927, API 598

Product Dimensions and Structure

ITEMPorts NameMaterial
1BoltASTM A193 B7
2NutASTM A194 2H
3Body capASTM A105
4BodyASTM A105
5Lower stemASTM A82 F316
6O-RinngViton
7Drain plugCS+HZn
8GasketGRAPHITE+SS
9BoltASTM A193 B7
10NutASTM A194 2H
11BallASTM A82 F316
12StandA36
13SeatringRPTFE
14Seat retainerASTM A105+ENP
15O-ringViton
16SpringINCNEI X-750
17Pressure relief plugCS+HZn
18Check valveCS+HZn
19Grease injection valveCS+HZn
20Self lubricating bearingCS+PTFE
21StemASTM A182 F316
22SpringSS304
23Grease injection valveCS+Zn
24PackingGRAPHITE+SS
25O-RinngViton
26Inner hexagonal boltASTM A193 B7
27Couplling plateA105+ZN
28KeyAISI 1045
29GasketGRAPHITE+SS
30WormASTM A216 WCB
31BoltASTM A193 B7
32NutASTM A194 2H
33Sealing coverASTM A105+ENP
34Lifting lugA36

Performance Parameters

ITEMNominal DiameterMain Dimension (mm)
inchesmmdOWKPBEFLn-ΦdH
108"200201470393.7308269.8863.57.9211.9174012-Φ38275

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