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  3. V101 (Wafer) / V102 (Lug) Series Proval Soft Seat Butterfly Valves

V101 (Wafer) / V102 (Lug) Series Proval Soft Seat Butterfly Valves

V101 (Wafer) / V102 (Lug) Series Proval Soft Seat Butterfly Valves
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V101 (Wafer) / V102 (Lug) Series Proval Soft Seat Butterfly Valves

Product catalog summary
Introduction to Butterfly Valves:
Butterfly valves, invented in the 1960s, are popular in industrial and domestic applications due to their lightweight, low pressure loss, leak-free operation, and easy automation. They are used in various sectors, including water, chemical, and petrochemical industries, and are suitable for both basic and severe service applications.
V101/V102 Series Butterfly Valves:
  • Design Features: These valves feature a flow indication marked ISO standard rotating shaft, direct mount ISO pad, and are compatible with various flange standards (EN1092, ANSI, BS10).
  • Material and Construction: The valves are constructed with materials like AISI316 stainless steel, epoxy-coated cast iron, and feature PTFE/Bronze bushings for low torque and longer seat life.
  • Performance: They offer 100% leak-free operation with an integral o-ring system and are designed for easy maintenance with removable parts.
Design and Manufacturing Standards:
The valves adhere to standards such as EN 558, ISO5752, API609, and BS5155 for design, and EN12266, ISO5208, and API 598 for testing. They are rated for a maximum pressure of 16 bar and a vacuum of 0.2 bar absolute pressure.
Flow and Pressure Characteristics:
The valves provide linear flow characteristics between 30º and 90º opening angles, with recommended maximum flow velocity of 1.5 m/s. Kv values are provided for various disc angles and sizes, indicating the volume of water that can pass through the valve at a pressure drop of 1 bar.
Material Specifications:
The valves are available in various materials, including AISI316 stainless steel, nickel-aluminum-bronze, and Rilsan-coated ductile iron, suitable for different applications and media.
Installation and Dimensions:
The catalogue provides detailed dimensions for both wafer and lug type butterfly valves, including flange bolting dimensions and torque values for different pressure ratings.
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Catalog excerpts

V101 (Wafer) / V102 (Lug) Series Proval Soft Seat Butterfly Valves-1

V101 (Wafer) / V102 (Lug) Series Proval Soft Seat Butterfly Valves Butterfly valves, since their invention in 1960’s became one of the most demanded flow control elements in industrial and domestic flow control applications due to their light weight, low pressure loss, 100% leak free operation, easy and economic automation capabilities. Beside the soft seat applications, development of PTFE seats and metal seats of double eccentric high performance valves today,butterfly valves are used from basic water applications to industrial applications and highly corrosive severe service applications Butterfly valves have wide range of applications in water, sea water, steel, food, paper, chemical, petrochemical and all HVAC and general industrial flow process controls. Superiorities of New Design Proval V101 Butterfly Valves • Flow indication marked, ISO standard valve rotating shaft • Easy removable, anti blow-out plate • According to ISO 5211 direct mount ISO pad • Tag plate with all valve material and useage data incuding valve Seriesal number • Upper stem bushing • Long neck for easy insulation • PTFE / Bronzee bushing provides low torque and longer seat life by centering the disc and avoids leakage from stem due to non-centric rotation • EN1092 PN10, PN16 ANSI 125/150 and BS10 Table-D, Table-E suitable flange holes • Integral o-ring system on seat avoid the leakage from stem • 2 Pc shaft construction disc provides higher flow rates (kv) and lower pressure loss in pipeline. • Wide range of seat solutions for all industrial applications • Special groove on body provides less torque figures in operation and improves the life cycle of seat • 4 flange locating holes for easy allignment of valve during installation. • O-ring to ensure 100% leak free operation • PTFE / Bronzee bushing provides low torque and longer seat life by centering the disc and avoids leakage from stem due to non-centric rotation • Easy removable lower cap provides easy dismantling of the valve to replace any defected parts on maintenance

 Open the catalog to page 1
V101 (Wafer) / V102 (Lug) Series Proval Soft Seat Butterfly Valves-2

General Design and Manufacturing Standards EN 558 Series 20 (DIN3202-K1) ISO5752 Series 20 Design Standard API609 Table 1 BS5155 Series 4 EN1092 PN 6/10/16 Flange Drilling ANSI B 16.5 Class 150 Mounting Flange Pressure - Temperature Diagram EN12266-1/2 ISO5208, Category 3 Testing Standard API 598 Table 5 ANSI B16-104, Class VI Pressure Rating Kv values given in the table below,show the volume of water in m³/h at room temperature that will pass through a given valve opening with a pressure drop of Δp 1 bar . Butterfly Valves offer flow characteristics close to linear at angles of opening between...

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V101 (Wafer) / V102 (Lug) Series Proval Soft Seat Butterfly Valves-3

V101 Series Wafer Type DN25-300 Butterfly Valves • Available in sizes from DN25 to DN300 . • Tongue and groove design,field-replaceable resilient rubber seats for a wide variety of applications and media. • Bidirectional bubble tight shut off at full rated pressure of 16 bar(g). • Flange locating holes drilled to meet PN10/16,ANSI Class 150 and other world drilling standards. Dimensions Lever / Gearbox Dimensions Part List Part Name Part Name Epoxy Coated GG25 Cast Iron Epoxy Coated GGG40 Ductile Iron 1 HALAR / ETFE Lined AISI316 Stainless Steel Material AISI420 Stainless Steel Lower Stem Carbon...

 Open the catalog to page 3
V101 (Wafer) / V102 (Lug) Series Proval Soft Seat Butterfly Valves-4

V101 Series Wafer Type DN350-600 Butterfly Valves -Available in sizes from DN350 to DN600 . -Tongue and groove design,field-replaceable resilient rubber seats for a wide variety of applications and media. -Bidirectional bubble tight shut off at full rated pressure of 16 bar(g). -Flange locating holes drilled to meet PN10/16,ANSI Class 150 and other world drilling standards. Gearbox Dimensions Part Name Part Name Epoxy Coated GG25 Cast Iron Epoxy Coated GGG40 Ductile Iron 1 Sealing Ring Bronze / PTFE HALAR / ETFE Lined AISI316 Stainless Steel Upper Stem Retainer Plate Carbon Steel Rilsan Coated...

 Open the catalog to page 4
V101 (Wafer) / V102 (Lug) Series Proval Soft Seat Butterfly Valves-5

V102 Series Lug Type DN50-300 Butterfly Valves • Available in sizes from DN50 to DN300 . • Tongue and groove design,field-replaceable resilient rubber seats for a wide variety of applications and media. • Bidirectional bubble tight shut off at full rated pressure of 16 bar(g). • Drilled and tapped to meet PN10,PN16,ANSI Class 150 or other world drilling standards. Dimensions Lever / Gearbox Dimensions Part List Part Name Part Name Epoxy Coated GG25 Cast Iron Epoxy Coated GGG40 Ductile Iron 1 HALAR / ETFE Lined AISI316 Stainless Steel Sealing Ring Upper Stem Bronze / PTFE Retainer Plate Carbon...

 Open the catalog to page 5
V101 (Wafer) / V102 (Lug) Series Proval Soft Seat Butterfly Valves-6

V102 Seriessi Lug Type DN350-600 Butterfly Valves • Available in sizes from DN350 to DN600 . • Tongue and groove design,field-replaceable resilient rubber seats for a wide variety of applications and media. • Bidirectional bubble tight shut off at full rated pressure of 16 bar(g). • Drilled and tapped to meet PN10/16,ANSI Class 150 and other world drilling standards. Gearbox Dimensions Part List Part Name Part Name Epoxy Coated GG25 Cast Iron Epoxy Coated GGG40 Ductile Iron 1 HALAR / ETFE Lined AISI316 Stainless Steel Carbon Steel Sealing Ring Bronze / PTFE Upper Stem Retainer Plate Carbon Steel...

 Open the catalog to page 6
V101 (Wafer) / V102 (Lug) Series Proval Soft Seat Butterfly Valves-7

V101/V102 Series Butterfly Valves Torque Values (Nm) Torque (Nm) Pneumatically-Actuated Butterfly Wafer Type Butterfly Valves Flange Bolting Dimensions (mm) Size (DN) Valve with Silicon Seat Installation using a stud bolt ,two hexagon nuts and washers Installation using Cap screws and nuts Lug Type Butterfly Valves Flange Bolting Dimensions (mm) PN10

 Open the catalog to page 7

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