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Flange Adapter (JIS)

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Flange Adapter (JIS)

The Flange Adapter (JIS) is a specialized high-pressure fitting designed to transition securely between tubing and Japanese Industrial Standard (JIS) flange interfaces. This series supports both fractional (1/4″ to 1″) and metric (12mm to 25mm) tube sizes, maintaining compliance with JIS 10K pressure class requirements. Each adapter is precision-engineered with an integrally forged body to ensure a leak-tight seal and reliable performance in diverse industrial instrumentation and process control systems.
FLANGE ADAPTER
JIS Flanges, Pressure Class 10K Basic Ordering Number Raised Face Flange Dimensions in (mm)
T-Tube O.D. EN Flange Size DN L J Jx E C G F
1/4″ 15 VFA-JIS-4-15 1.66(42.2) 3.74(95.0) 2.76(70.1) 0.19(4.8) 0.60(15.2) 0.56(14.3) 0.81(20.6)
3/8″ 15 VFA-JIS-6-15 1.72(43.7) 3.74(95.0) 2.76(70.1) 0.28(7.1) 0.66(16.8) 0.69(17.5) 0.81(20.6)
1/2″ 15 VFA-JIS-8-15 1.83(46.5) 3.74(95.0) 2.76(70.1) 0.41(10.4) 0.90(22.9) 0.87(22.2) 0.81(20.6)
3/4″ 15 VFA-JIS-12-15 1.91(48.5) 3.74(95.0) 2.76(70.1) 0.62(15.7) 0.96(24.4) 1.13(28.6) 1.25(31.8)
1″ 25 VFA-JIS-16-25 2.40(61.0) 4.92(125.0) 3.54(89.9) 0.88(22.4) 1.23(31.2) 1.50(38.1) 1.37(34.9)
12mm 15 VFA-JIS-12M-15 1.83(46.5) 3.74(95.0) 2.76(70.0) 0.37(9.5) 0.90(22.8) 0.87(22.0) 0.79(20.0)
18mm 15 VFA-JIS-18M-15 1.91(48.5) 3.74(95.0) 2.76(70.0) 0.59(15.1) 0.96(24.4) 1.18(30.0) 1.26(32.0)
25mm 25 VFA-JIS-25M-25 2.40(61.0) 4.92(125.0) 3.54(90.0) 0.86(21.8) 1.23(31.3) 1.50(38.0) 1.38(35.0)