BUTTERFLY VALVE VF-7 Series

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1 BUTTERFLY VALVE VF-7 Series CENTRIC, RUBBER SEATED LEVER GEAR PNEUMATIC - ELECTRIC OPERATED ALLOWABLE PRESSURE DN mm : 16 bar DN mm : 10 bar INVESTMENT CASTING STAINLESS STEEL BODY 2 12 (50mm 300mm) Website: Page 1 of 11

2 DESIGN DETAILS AND SPECIFICATION VF-733 (LUG TYPE) FACE TO FACE: Valve body is designed to meet ISO 5752 table 5 short. TOP WORKS: 24 and below: Valve mounting flange and stem shall be per ISO and above: Valve mounting flange as per ISO 5211, stem shall be round keyed. FLANGE REQUIREMENT: VF-730. VF-733: ANSI 125/150, BS Table E, JIS 10K, DIN PN10, DIN PN16. All wafers have locating holes for ease of installation. VF-737: ANSI 150. JIS10K, DIN PN10, DIN PN16. PRESSURE RATING: Bi-directional bubble-tight shut off to 16bar (230psi) -----DN40 ~ DN300mm. 10bar (150psi) DN350 ~ DN900mm. And tested to 110% of full rating 18bar (260psi) DN40 ~ DN300mm. 11bar (160psi) DN350 ~ DN900mm. SHELL TESTING: The body strength can stand 150% of full rating. 24bar (340psi) DN40 ~ DN300mm. 15bar ( 220psi) DN350 ~ DN900mm. INSTALLATION INSTRUCTIONS: The valve is designed for using between all types of flat or raised face flanges. DO NOT USE FLANGE GASKETS. The butterfly valve design eliminates the need for gaskets. For proper installation, the space between flanges must be sufficient to permit valve insertion without disturbing the rubber liner flange seal. Note that the disc sealing edge is in line with the flat of the shaft. Rotate the stem to position the disc within the body, place the valve between flanges and hand-tighten the bolts. SLOWLY OPEN the valve counterclockwise to check for adequate disc clearance. RETURN THE DISC TO 10% OPEN POSITION and cross tighten all bolts, again check for adequate disc clearance. STEM RETAINING MECHANISM: The stem is retained in the body by means of a special Q type design when the valve is under DN350mm, and hence the stem can be removed from the body and disc without any special tools. Anti-Condensed: (On customer s requirement) Website: Page 2 of 11

3 DESIGN DETAILS AND SPECIFICATION VF-733 (LUG TYPE) Kv Values - Valve Sizing Coefficient. Disc Angle (Open Degree) mm inch Kv value denotes the flow rate in m³/hr for water at 20 C flowing under a pressure differential 1 Kg/cm². When required Cv = 1.17Kv Expected Seating/Unseating Torque (Nm) Size Lubricating (Non-corrosive) Dry (Non-Lubricating) rp (bar) rp (bar) mm inch To Use The Torque Chart, Note the Following: 1) Seating/Unseating torque values above includes friction bearing torque for stated rp. 2) 2) Do not apply a safety factor to above torque values when determining actuator output torque requirement. Website: Page 3 of 11

4 MATERIALS DN-40 ~ DN-600 VF-733 (LUG TYPE) No. Name Materials Specification JIS ASTM Remark CAST IRON FC200 A126-B (1.5"~24") DUCTILE IRON FCD450 A (1.5"~36") 1 BODY SCS13 A351CF8 STAINLESS STEEL (1.5"~36") SCS14 A351CF8M DUCTILE IRON FCD450 A PQ-NYLEX DISC STAINLESS STEEL SCS13 A351CF8 SCS14 A351CF8M ALU-BRONZE ALBC2 B NBR(NITRILE) - 10 ~ 80 C (14 ~ 176 F) EPDM -20 ~ 120 C (-4 ~ 248 F) 3 SEAT NEOPRENE (CR) 0 ~ 80 C (32 ~ 176 F) SILICON - 20 ~ 180 C (-4 ~ 356 F) HYPALON (CSM) - 20 ~ 135 C (-4 ~ 275 F) VITON - 18 ~204 C (-0.4 ~ 400 F) SUS410 A182 F6A 4 STEM STAINLESS STEEL SUS304 A182 F304 SUS316 A182 F316 5 PIN STAINLESS STEEL SUS316 A182 F316 6 BUSH DELRIN 7 O-RING NBR (NITRILE) 8 BACK-UP RING PLASTIC 9 BUSH BRONZE BC6 B62 For cast iron and ductile iron body 10 UPPER COVER STEEL SS41 A6 For cast iron and ductile iron body STAINLESS STEEL SUS304 A For stainless steel body 11 BOTTOM COVER CAST IRON FC200 A126-B For cast iron and ductile iron body STAINLESS STEEL SCS13 A351 CF8 For stainless steel body 12 BOLT STEEL 13 BOLT STEEL Website: Page 4 of 11

5 MATERIALS DN-700 ~ DN-900 No. Name Materials Specification JIS ASTM Remark DUCTILE IRON FCD450 A BODY SCS13 A351CF8 STAINLESS STEEL SCS14 A351CF8M DUCTILE IRON FCD450 A PQ-NYLEX DISC STAINLESS STEEL SCS13 A351CF8 SCS14 A351CF8M ALU-BRONZE ALBC2 B NBR(NITRILE) - 10 ~ 80 C (14 ~ 176 F) EPDM - 20 ~ 120 C (-4 ~ 248 F) 3 SEAT NEOPRENE (CR) 0 ~ 80 C (32 ~ 176 F) SILICON - 20 ~ 180 C (-4 ~ 356 F) HYPALON (CSM) - 20 ~ 135 C (-4 ~ 275 F) VITON - 18 ~204 C (-0.4 ~ 400 F) SUS410 A182 F6A 4 STEM STAINLESS STEEL SUS304 A182 F304 SUS316 A182 F316 5 PIN STAINLESS STEEL SUS316 A182 F316 6 PLUG STAINLESS STEEL 7 O-RING NBR (NITRILE) 8 UPPER STEEL SS41 A6 For ductile iron body COVER STAINLESS STEEL SUS304 A For stainless steel body 9 BUSH BRONZE BC6 B62 10 KEY STEEL 11 BEARING BRONZE BC6 B62 12 BOTTOM COVCAST IRON FC200 A126-B 13 BOLT STEEL 14 BOLT STEEL Website: Page 5 of 11

6 DIMENSIONS PRESSURE RATING VF-730 WAFER TYPE DN DN-40 ~ DN-900 DN Face Mounting Disc to flange Shaft end Key Weight Face (ISO 5211) clearance mm inch L H1 H2 D Type PCD øb ob B1 C C1 kg / F F / F F F F F F F F F F F F F F x F x F x F x Website: Page 6 of 11

7 DIMENSIONS VF-733 LUG TYPE DN-40 ~ DN-600 PRESSURE RATING DN DN BAR 10 BAR Face Mounting Disc to flange Shaft end Weight Face (ISO 5211) clearance mm inch L H1 H2 D Type PCD øb ob B1 C C1 kg 40 1½ F F ½ F F F F F F F F F F F F F Website: Page 7 of 11

8 DIMENSIONS VF-737 FLANGE TYPE DN-500 ~ DN-900 PRESSURE RATING DN BAR Face Mounting Thickness Disc to flange Shaft end KEY of Weight Face (ISO 5211) clearance Flange mm inch L H1 H2 D Type PCD øb ob B1 C C1 T kg F F F x F x F x F x Website: Page 8 of 11

9 BOLTING FOR INSTALLATION VF-733 (LUG TYPE) PN10 PN16 ASME B16.5 CLASS 150 ASME B16.47 CLASS 150 SERIES A BOLT BOLT BOLT BOLT mm inch SIZE A B C T SIZE A B C T SIZE A B C T SIZE A B C T 40 1 ½ M M /2" M M M /8" M ½ M M /8" M M M /8" M M M /8" M M M /4" M M M /4" M M M /4" M M M /8" M M M /8" M M M " M M M " M M M /8" M M M /8" M M M /4" M M M /4" M /4" M M M /2" M M M /2" M Website: Page 9 of 11 JIS10K

10 LEVER & GEAR OPERATED VF-733 (LUG TYPE) Operator Lever operator Gear operator Handw heel turns Mounting flange Series no. ON/OFF (ISO 5211) mm inch H3 L H4 C E F N Type PCD 40 1 ½ L7A C F L7A C F ½ L7A C F L7A C F L7A C F L7B C F L7B C F L C F L C F L C F C F C F C F C F A F A F A3+S F A3+S F A3+S F Website: Page 10 of 11

11 DISSASEMBLY OF PLEIX-QUIP VALVES 1. Open the valve and position the disc to the partially open position (about 10 ). Then remove the actuator (if fitted). 2. Open the valve to around 135 from the fully closed position. The retainer pin is then exactly positioned below the slot in the top flange. 3. Remove the retainer pin with a screw driver or any sharp instrument. 4. Pull out the stem from the body. 5. Take out the disc and liner from the body. ASSEMBLY PROCEDURE OF VALVE Reverse the above steps. It can be easily assembled without any special tools. WARNING: UNLESS YOU DO INTEND TO DISASSEMBLE THE VALVE, OTHERWISE DO NOT POSITION THE DISC AROUND 135 INSTALLATION INSTRUCTION The valve is designed for use between all types of flat or raised face flanges. DO NOT USE FLANGE GASKETS. The butterfly valve design eliminates the need for gaskets. For proper installation, the space between flanges must be sufficient to permit valve insertion without disturbing the rubber liner flange seal. Note that the disc sealing edge is in line with the flat on the shaft. Rotate the stem to position the disc within the body, place the valve between the flanges and hand tighten the bolts. SLOWLY OPEN the valve counterclockwise to check for adequate disc clearance. RETURN THE DISC TO THE CLOSED POSITION and cross tighten all bolts. Again check for adequate disc clearance. Website: Page 11 of 11

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