KEYSTONE PN16 DOUBLE FLANGED BUTTERFLY VALVE FIGURE 631

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1 The F631 PN16 is a bi-directional, double flanged, resilient seated butterfly valve FEATURES Approved to AS/NZS 4020, making the F631 suitable for use in potable water applications. Type tested in accordance to AS Double flanged bi-directional valve with replaceable, bed grooved seat. Face to face dimensions in accordance with ISO5752 Series 13 or BS EN558 series 13 Dry shaft design isolates the body and shaft from the medium, reducing corrosion and extending valve life. Proven seal on body design ensures the entire wetted area and flanges are protected, providing superior corrosion protection. The field repairable seat has integrally moulded-in O-rings, providing flange sealing and eliminating the need for gaskets. Bubble tight shut-off at full rated pressure. GENERAL APPLICATION For the isolation or control of potable or waste water in below or above ground applications. TECHNICAL DATA Size range: DN Temperature rating: EPDM = 120 C Nitrile = 100 C Pressure rating: Up to 1600 kpa (16 Bar) Emerson. All rights reserved. VCTDS EN 16/09

2 7 2 8,9 5, PARTS LIST FOR DN No. Description Material Standard 1 Body S.G. Iron AS 1831 Gr Disc Alum bronze AS 1565 C S/S ASTM A743 CF8M 3 Shaft 431 S/S ASTM A S/S (optional) ASTM A (17.4 PH) 4 Seat EPDM EM-D1-31 NBR/Buna-N EM-D Seat insert 316 S/S ASTM A Seat insert O-Ring Buna-N Commercial 7 Tag S/S Commercial 8 Disc screw 316 S/S ASTM F593 Group 2 9 Disc screw O-Ring Buna-N Commercial 10 Shaft bush Acetal Commercial 11 Shaft seal Buna-N Commercial 12 Bearings PTFE/Lead/Steel backed Glacier DU 13 O-Ring Buna-N Commercial 14 Body plug 431 S/S ASTM A Circlip Spring steel Commercial 2

3 7 8,9,10 5, ,16,17 19,20, , PARTS LIST FOR DN No. Description Material Standard 1 Body S.G. Iron AS 1831 Gr Disc Alum bronze AS 1565 C S/S ASTM A743 CF8M 3 Shaft 431 S/S ASTM A Seat EPDM EM-D1-31 NBR/Buna-N EM-D Seat insert 316 S/S ASTM A Seat insert O-ring NBR Commercial 7 Tag S/S Commercial 8 Disc pin 316 S/S ASTM A Disc pin nut 316 S/S ASTM A Disc pin O-ring NBR Commercial 11 End cover Mild steel AS 3678 Gr Thrust washer Bronze BS 1982 CC491K 13 Thrust washer bolt 316 S/S Commercial 14 Gland bushes Bronze BS 1982 CC491K 15 Bearings Filament wound resin Orkot Gr.TLM 16 Gland O-ring (Inner) NBR Commercial 17 Gland O-ring (Outer) NBR Commercial 18 End cap O-ring NBR Commercial 19 End cover bolts 316 S/S Commercial 20 End cover nuts 316 S/S Commercial 21 End cover washer 316 S/S Commercial 3

4 Plan view of stem connection on DN valves Shaft dia. ØE F C ØA Q ØB K G D DIMENSIONS FOR DN (mm) Valve Stem ØA ØB C D ØE F G K Q Shaft dia. Stem Key Top plate data Mass size Conn inches Conn. inches PCD. No. Hole (kg) DN Code Inches holes dia. 100 BAC /8 5/8 x 7/ BAD /4 3/4 x 1/ CAE /8 7/8 x 5/ CAF /8 1/4 x 1/ CAF /8-1/4 x 1/ CAG /8-5/16 x 5/ CAH /8-3/8 x 3/ DAJ /8-1/2 x 3/ DAJ /8-1/2 x 3/ Q is the disc chordal dimension at the face of the valve for disc clearance into the pipe or the flange. All dimensions are nominal only. Masses nominated are for bare shaft valves only. 4

5 Shaft Dia. ØE F C ØA Q ØB K G D DIMENSIONS FOR DN (mm) Valve Stem ØA ØB C D ØE F G K Q Shaft dia. Key ISO ISO 5211 top plate data Mass size conn. mm mm Fig. PCD. No. Hole (kg) DN code (inches) (inches) holes dia. 600 DAK (2¼) (½ x ⅜) F (½ x ¾) F (½ x ¾) F x 16 F x 16 F x 18 F x 18 F Q is the disc chordal dimension at the face of the valve for disc clearance into the pipe or the flange. All dimensions are nominal only. Masses nominated are for bare shaft valves only. 5

6 ØA ØJ ØL ØM ØB R DETAILED VALVE FLANGE DIMENSIONS (mm) Valve size DN ØA ØJ ØL ØM ØB R

7 ANTICIPATED SEATING AND UNSEATING TORQUE VALUES - (Nm) Valve size Normal service Shut off pressure kpa Severe service DN The charted seating and unseating torques are the sum of all friction and resistance for opening and closing of the disc against the indicated pressure differential for normal and severe services respectively. 2. Normal service: Valve must be regularly operated on liquid service at moderate temperatures with no internal deposition or chemical attack. 3. Severe service: All other conditions including - dry service, infrequent operation, very low or high temperatures, any significant media build-up or chemical attack. 4. The relationship between values is linear, therefore, you can interpolate between nominated values. 5. The effect of dynamic torque is not considered in tabulation. 6. When sizing actuators it is necessary to include safety factors. GEARBOX SELECTION CHART Valve Valve Valve Top plate Industrial service Municipal service size DN torque* (Nm) stem conn. ISO 5211 fig. Model Input torque (Nm) Nominal ratio Turns to close Model Input torque (Nm) Nominal ratio Turns to close BAC - F427 BAF 17 24:1 6.0 F427 K : BAD - F427 BAF 36 24:1 6.0 F427 K : CAE - F427 CAF 39 30:1 7.5 F427 K : CAF - F427 CAF 59 30:1 7.5 F427 K26S : CAF - F427 CAF 87 30:1 7.5 F427 K26S : CAG - F427 K26S : F427 K26S : CAH - F427 K26S : F427 K26S : DAJ - F427 DAJ 93 80: F427 K40S : DAJ - F427 DAJ : F427 K40S : DAK - F427 K40S : F427 K40S : F25 F427 K65S : Rotork IW : F25 F427 K65S : Rotork IW : F25 Rotork IW : Rotork IW : F25 Rotork IW : Rotork IW : F30 Rotork IW : Rotork IW : F30 Rotork IW : Rotork IW : *Valve anticipated seating and unseating torque at 1600 kpa (16 bar) pressure differential for normal service. 7

8 K v VALUES Valve size Disc opening (degrees) DN NOTES: K v = The volume of water in m 3 /hr that will pass through a given valve opening at a pressure of 1 bar (100 kpa). C v = K v TYPICAL SPECIFYING SEQUENCE 600 F631 DIH2 AE 16 Valve size Figure number Trim code End connections Pressure rating VALVE TRIMS Trim Body Disc Shaft Seat DIH2 S.G. iron Ali. Bronze 431 S/S EPDM DEH2 S.G. iron 316 S/S 431 S/S EPDM DIH3 S.G. iron Ali. Bronze 431 S/S NBR DEH3 S.G. iron 316 S/S 431 S/S NBR 1. Standard seat material EPDM 2. Alternative trims available, consult Emerson. End connections (flat faced): ACD = AS 2129 table C,D AE = AS 2129 Table E CL16 = AS/NZS 4087 Class 16 AN150 = ASME B16.5 Class 150 D16 = DIN 2501 Table 16 / BS 4504 PN16 Contact Emerson for other drillings Emerson. All rights reserved. 8

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