Vlinderkleppen

Standaard U-sectie vlinderklep met dubbele flens

FOTO TOONT SPECIFICATIES ZOALS HIERONDER
MAAT: 30″
BEOORDELING: 150LB
BODY: ASTM A216 WCB
SCHIJF: ASTM A351 CF8M
STAM: SS316
ZITTING: EPDM
AANDRIJVING: ELEKTRISCHE ACTUATOR

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Lugged-Type Butterfly Valve (Cartridge Seat)

Nominal Diameter (DN) DN50 ~ DN600 (Optional)
Nominal Pressure (PN) PN10/16 (Class 150), JIS 10K/16K
Temperature Range -20°C to +120°C (EPDM Seat)
-10°C to +180°C (PTFE Seat)
Applicable Media Water, Air, Oil, Weakly Corrosive Liquids
Connection Type Wafer-Type (ASME B16.5 / EN 1092-1/JIS B2220)
Actuation Lever, Gear, Pneumatic, Electric

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Vlinderklep met rubberen zitting in wcb

FOTO TOONT SPECIFICATIES ZOALS HIERONDER
MAAT: 8″~14″
BEOORDELING: 200WOG
BODY: ASTM A216 WCB
SCHIJF: ASTM A351 CF8
STEEL: SS416 PINLOOS
STOEL: NBR
AANDRIJVING: TANDWIELEENHEID

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Asme B16.47 B-serie gevulkaniseerde rubberen vlinderklep

MAAT: DN700
BEOORDELING: PN6
CARROSSERIE: ASTM A536 65-45-12
SCHIJF: ASTM A351 CF8M
STEEL: SS416 PINLOOS
STOEL: NBR
SCHILDERIJ: FLUORKOOLSTOF, C5-I
AANDRIJVING: TANDWIELEENHEID

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4" 150lb drievoudige offset vlinderklep

Maat: 4″
Beoordeling: 150LB
Einden: Gelast volgens ANSI B16.5
Materialen:
ASTM A216 WCB-behuizing
ASTM A182 F316L-afwerkingen
Operator: ISO5211 montagepad voor actuator

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Standaard vlinderklep met dubbele flens

FOTO'S TONEN SPECIFICATIES ZOALS HIERONDER
MAAT: DN450
BEOORDELING: PN16
LICHAAM: ASTM 536 NORMAAL IJZER 65-45-12
SCHIJF: ASTM A536 NOMINAAL IJZER 65-45-12+ENP
STEEL: SS416 PINLOOS
ZITTING: EPDM
AANDRIJVING: TANDWIELEENHEID

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Thermisch belastbare / hoge temperatuur drievoudige offset vlinderklep in gesmeed staal

VOORBEELDSPECIFICATIES
MAAT: 26″
BEOORDELING: 1500LB
LICHAAM: ASTM A105N
SCHIJF: ASTM A182 F316
VERLENGD JUK: ASTM A182 F5
STAM: SS416
ZETEL: ASTM A182 F316
AFDICHTING: SS316+GRAFIET GELAMINEERD
AANDRIJVING: TANDWIELEENHEID

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28″ 150LB Wafer Style Butterfly Valve Drilled as per ASME B16.47 series B

Valve Type Centric Wafer Butterfly Valve
Nominal Size 28″ (DN700)
Pressure Rating 150LB (PN20)
Face-to-Face Length EN558 Series 20 (165 mm)
End Connection Wafer per ASME B16.47 B Drilling
Design Standard API 609, EN 593
Leakage Class EN 12266-1 Class A (Zero Leakage), API 598

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Double Flanged Butterfly Valve(DI/Al-bronze/EPDM)

Nominal Diameter DN50 ~ DN600
Pressure Rating PN10/16 (Class 150) · PN25 (Optional)
Temperature Range -30°C to +120°C (EPDM Seat)
Leakage Class ANSI Class VI (ISO 5208 Grade A)
Connection Type Double Flanged (RF Facing per ASME B16.5)
Actuator Mounting ISO 5211 F05-F14

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4″-150LB-Lugged PFA Lined Butterfly Valve

Nominal size (NPS) 4″ (DN100)
Pressure rating Class 150LB (PN10 / PN16)
Valve type Lugged, concentric (center line)
Temperature range -29°C ~ +160°C (standard PFA); -20°C ~ +200°C (high performance PFA/TFM)
Vacuum capability Suitable from -10°C to +160°C, down to 0.0002 psia
Leakage rating Bidirectional zero leakage, ISO 5208 Rate A / ANSI Class VI
Flow direction Bidirectional
Mounting orientation Any angle

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Economy Wafer-type Butterfly Valves (CF8/CF8/PTFE)

Valve Type Wafer Type, Concentric (Centric) Butterfly Valve
Nominal Size (DN) DN50 ~ DN600 (2″ ~ 24″)
Nominal Pressure (PN) PN10 / PN16 / Class 150LB
Structure Style Concentric (Center line) Design
Connection Type Wafer-Type (Fits between EN 1092-2, ASME B16.5, or JIS flanges)
Temperature Range -29°C ~ +180°C (-20°F ~ +356°F)
Applicable Media Acids, Alkalis, Chemical solutions, Potable Water, Food products, Pharmaceutical fluids
Design Standard GB/T 12238 / API 609 / EN 593
Face-to-Face Dimension ISO 5752 Series 20 (Short pattern) / API 609 Category A
Pressure Testing ISO 5208 / API 598
Operation Lever Handle (DN50-150), Worm Gear (DN200-600), Electric Actuator, Pneumatic Actuator

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Loose Liner Wafer-Type Butterfly Valve cw Gear

Valve Type Wafer Type Butterfly Valve (Center Line / Concentric Design)
Body Material Ductile Iron (ASTM A536 Grade 65-45-12 / GGG-50)
Disc Material Ductile Iron + Nickel Plated (Electroless Nickel Plating – ENP)
Stem Material Stainless Steel (AISI 410 / 304 / 316)
Seat Material Replaceable Soft Seat – EPDM / Buna-N / Viton / PTFE (Specify)
Nominal Size 2″ – 24″ (DN50 – DN600)
Pressure Rating Class 125 / Class 150 / PN10 / PN16
Design Standard API 609 / MSS SP-67 / ISO 5752
Face-to-Face API 609 Short Pattern / ISO 5752 Series 20

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A butterfly valve is a type of quarter-turn valve used to regulate, isolate, or start and stop fluid flow in a piping system. It consists of a circular disc or plate mounted on a rotating shaft. When the handle or actuator turns the shaft 90 degrees, the disc moves from a fully closed to a fully open position, allowing flow through the valve. The disc remains in the flow path even when open, which means there is always a slight pressure drop. Butterfly valves are known for their compact design, fast operation, and cost-effectiveness, especially in large-diameter pipelines. They come in various types, such as wafer, lug, and double or triple offset styles, depending on the pressure and sealing requirements. These valves are widely used in industries such as water treatment, HVAC, chemical processing, oil and gas, and food and beverage, due to their reliability, low maintenance, and easy installation.

Butterfly Valves FAQ

1.Are butterfly valves suitable for high-pressure systems?

Yes, triple offset butterfly valves are designed for high-pressure and high-temperature conditions.

2.Can butterfly valves be used for throttling?

Yes, they are often used for throttling and flow regulation.

3.What materials are butterfly valves made from?

Common materials include stainless steel, cast iron, ductile iron, PVC, and carbon steel.

4.Are butterfly valves bidirectional?

Most butterfly valves are bidirectional, but performance may vary by type and design.

5.How long do butterfly valves last?

With proper material selection and maintenance, they can last many years in industrial use.