EQUALIZING VALVE, OVAL FLANGE DATA SHEET FFN, FFP EQUALIZING VALVE This equalizing valve is designed for use with differential pressure transmitters or flow rate transmitters. It is composed of two stop valves for blocking high and low pressures and one equalizing valve. SPECIFICATIONS Pressure rating: 16MPa, 42MPa Material: Main unit ; SUS316 Mounting bolt ; SUS316L Gasket ; Teflon Fluid temperature: -40°C to 120°C (Under non-freezing condition) Ambient temperature: -40°C to 120°C Process connection: Rc1/2, Rc1/4, 1/2-14NPT, 1/4-18NPT FFN3G FFN3F CODE SYMBOLS 1 2 3 4 5 6 7 8 F FN STRUCTURAL PRINCIPLE 9 10 Stop valve 0 3 3 3 3 4 Stop valve Description 16MPa without oval flange 16MPa with oval flange 16MPa with pressure piping 42MPa with pressure piping F G J J Material Main unit SUS316 V Mounting bolt SUS316L (FFN3F, FFN3G only) No-oil treatment Without With Y A 1 2 3 4 Process connection Rc1/2 Rc1/4 1/2-14NPT 1/4-18NPT Equalizing valve Process differential pressure (inlet side) SCOPE OF DELIVERY FFN3F: Equalizing valve main unit, transmitter mounting bolt (4), gasket (2) FFN3G: Equalizing valve main unit, transmitter mounting bolt (4), gasket (4) Oval flange (Type: FFP5) (2), Oval flange mounting bolt (4) FFN3J, FFN4J: Equalizing valve main unit, mounting bracket EDS6-128c Date Apr. 1, 2011 FFN, FFP OUTLINE DIAGRAM (Unit: mm) Direct coupling type equalizing valve FFN3F ø24.4 ø18.5 1.8 10 Transmitter side B 97 10th digit of CODE SYMBOLS A B 1 Rc1/2 15 2 Rc1/4 10 3 1/2-14NPT 15 4 1/4-18NPT 10 54 2-A Bolt (Supplied) 28 20 9 8. ø1 + –0 0 .1 2-A Gasket (Supplied) .1 +0 0 – ø2 4. 5 4-ø12.5 41.3 Approx. 109 (fully opened) Approx. 103 (fully closed) Approx. 178 (fully opened) Approx. 166 (fully closed) 16 2.6±0.1 7/16-20UNF 54 Direct coupling type equalizing valve FFN3G 54 ø24.4 ø18.5 41.3 1.8 10 Transmitter side 77 4-ø12.5 10th digit of CODE SYMBOLS 54 1 Rc1/2 15 2 Rc1/4 10 3 1/2-14NPT 15 4 1/4-18NPT 10 ø18.5 62 ø24.4 25.4 B 32 A 1.8 54 Gasket (Supplied) Bolt (Supplied) .1 +0 0 – + –0 0 .1 ø2 4. 5 9 8. ø1 28 20 16 48 40 2.6±0.1 7/16-20UNF 2 B Oval flange (Supplied) 41.3 41.3 7/16-20UNF (Four places) Approx. 109 (fully opened) Approx. 103 (fully closed) Approx. 178 (fully opened) Approx. 166 (fully closed) A 7/16-20UNF 16 Equalizing valve with pressure piping FFN3J 2-A 30 60 103 193 (fully opened) 181 (fully closed) 78 (fully opened) 72 (fully closed) DETAIL MTG.BRACKET 54 100 328 72±0.5 U-bolt 2-ø10 95 2-R1/4 54±1 P S Rc1/2 15 Rc1/4 10 1/2-14NPT 15 1/4-14NPT 10 DETAIL A P S Mounting pipe JIS 2B 2-ø7 TRANSMITTER SIDE Equalizing valve with pressure piping FFN4J 78 (fully opened) 72 (fully closed) 2-A 30 60 90 193 (fully opened) 181 (fully closed) DETAIL MTG.BRACKET 54 100 2-ø10 Mounting pipe JIS 2B P S Rc1/2 15 Rc1/4 10 1/2-14NPT 15 1/4-14NPT 10 2-ø7 DETAIL A P S 328 72±0.5 U-bolt 54±1 95 TRANSMITTER SIDE 3 FFN, FFP OVAL FLANGE CODE SYMBOLS This oval flange is used to connect differential pressure, flow rate, or pressure transmitter or equalizing valve with a process pressure piping. 1 2 3 4 5 6 7 8 F F P 9 0 3 Description Pressure rating 16MPa Available for FFN3G 42MPa 5 6 SPECIFICATIONS Process connection Pressure rating: 16MPa, 42MPa Material: Oval flange Mounting bolt Gasket: FFP5(16MPa) FFP6(42MPa) ; ; ; ; Rc1/2 Rc1/4 1/2-14NPT 1/4-18NPT A B C D SUS316 SUS316L Teflon Teflon with glass fiber Material Main unit Mounting bolt SUS316 SUS316L Treatment Without No-oil trearment V Fluid temperature: -40°C to 120°C (Under non-freezing condition) Ambient temperature: -40°C to 120°C Process connection: Rc1/2, Rc1/4, 1/2-14NPT, 1/4-18NPT Y A ORDERING INFORMATION SCOPE OF DELIVERY 1. Product name 2. Type FFP5: Oval flange, mounting bolt (2), gasket (1) OUTLINE DIAGRAM (Unit: mm) Oval flange FFP 5 32 6 Oval flange (Supplied) 25.4 B 24.4 18.5 62 41.3 5th digit of CODE SYMBOLS A B A Rc1/2 15 B Rc1/4 10 C 1/2-14NPT 15 D 1/4-18NPT 10 A 1.8 Bolt (Supplied) .1 +0 0 – .9 .5 43 16 35 2.6 ø2 4 8 ø1 + –0 0 .1 Gasket (Supplied) 7/16-20UNF Caution on Safety *Before using this product, be sure to read its instruction manual in advance. International Sales Div Sales Group Gate City Ohsaki, East Tower, 11-2, Osaki 1-chome, Shinagawa-ku, Tokyo 141-0032, Japan http://www.fujielectric.com Phone: 81-3-5435-7280, 7281 Fax: 81-3-5435-7425 http://www.fjielectric.com/products/instruments/ Information in this catalog is subject to change without notice. Printed in Japan