Motýlí ventily
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FOTOGRAFIE ZOBRAZUJE NÍŽE UVEDENÉ SPECIFIKACE
VELIKOST: 30″
HODNOCENÍ: 150 LB
TĚLO: ASTM A216 WCB
DISK: ASTM A351 CF8M
PŘEDSTAVEC: SS316
SEDADLO: EPDM
OVLÁDÁNÍ: ELEKTRICKÝ POHON
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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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FOTOGRAFIE ZOBRAZUJE NÍŽE UVEDENÉ SPECIFIKACE
VELIKOST: 8″~14″
HODNOCENÍ: 200WOG
TĚLO: ASTM A216 WCB
DISK: ASTM A351 CF8
PŘEDSTAVEC: SS416 BEZČEPOVÝ
SEDADLO: NBR
OVLÁDÁNÍ: PŘEVODOVKA
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VELIKOST: DN700
HODNOCENÍ: PN6
TĚLO: ASTM A536 65-45-12
DISK: ASTM A351 CF8M
PŘEDSTAVEC: SS416 BEZČEPOVÝ
SEDADLO: NBR
BARVA: FLUOR UHLÍK, C5-I
OVLÁDÁNÍ: PŘEVODOVKA
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Velikost: 4″
Hodnocení: 150 liber
Konce: S výstupky dle ANSI B16.5
Materiály:
Těleso z WCB ASTM A216
Kryty ASTM A182 F316L
Operátor: Montážní podložka ISO5211 pro pohon
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FOTOGRAFIE UKAŽUJÍ SPECIFIKACE NÍŽE
VELIKOST: DN450
HODNOCENÍ: PN16
TĚLO: TVÁRNÁ LITINA ASTM 536 65-45-12
KOTOUČ: TVÁRNÁ LITINA ASTM A536 65-45-12+ENP
PŘEDSTAVEC: SS416 BEZČEPOVÝ
SEDADLO: EPDM
OVLÁDÁNÍ: PŘEVODOVKA
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VZORKOVÉ SPECIFIKACE
VELIKOST: 26″
HODNOCENÍ: 1500LB
TĚLO: ASTM A105N
DISK: ASTM A182 F316
PRODLOUŽENÝ JHO: ASTM A182 F5
PŘEDSTAVEC: SS416
SEDLO: ASTM A182 F316
TĚSNĚNÍ: SS316 + GRAFITOVÁ LAMINACE
OVLÁDÁNÍ: PŘEVODOVKA
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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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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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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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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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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
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.
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