Injap Rama-rama
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Valve Type Monoflange Type Wafer Butterfly Valve
Valve Model D371X (Monoflange Type)
Nominal Diameter (DN) DN50 ~ DN600 (or as required)
Nominal Pressure (PN) PN10 / PN16 / PN25 (optional)
Connection Type Monoflange Wafer Type
Operation Type Worm Gear Operation
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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 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)
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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
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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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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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Valve Type Double Eccentric Butterfly Valve (High Performance)
Application Buried Service / Underground Installation
Size 60 inches (DN 1500)
Pressure Rating Class 150LB (200psi)
Connection Type Flanged Ends (ASME B16.47 Series A or B as required)
Operation Electric Actuator with Extended Stem for buried service
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Valve Type Double Eccentric (Double Offset) Butterfly Valve
Design Standard API 609 / BS5155 / ASME B16.34 / EN 593 / GB/T 12238
Face-to-Face API 609 / ASME B16.10 / EN 558 Series 13/14/16 / BS5155
Flange Drilling ASME B16.5 / ASME B16.47 / EN 1092-2 / GB/T 9115
Inspection & Test API 598 / ISO 5208 / EN 12266-1
Pressure Rating Class 150 / 300 / PN6 / PN10 / PN16 / PN25
Size Range 2″ – 48″ (DN50 – DN1200)
Temperature Range -29°C to +200°C (Depending on seat material)
End Connection Wafer Type / Lug Type / Flanged Type
Operation Lever / Gearbox / Pneumatic Actuator / Electric Actuator
Mounting Flange ISO 5211 (For direct actuator mounting)
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Valve Type Triple Offset Hard-Seated Butterfly Valve (with Cooling Fins)
Nominal Diameter (DN) DN50 ~ DN1200
Nominal Pressure (PN) PN10 ~ PN100 (or Class 150 ~ 600)
Applicable Medium Steam, High-temperature oil, High-temperature flue gas, Thermal fluid, etc.
Applicable Temperature With cooling fins: Up to 650°C
Connection Type Wafer type / Flanged / Butt-welded
Operation Type Handwheel with gearbox / Pneumatic / Electric / Electro-hydraulic
Function Mode On-Off / Control
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• Body & Disc: C95800 Aluminum Bronze (superior seawater/corrosion resistance)
• Stem: Monel K500 (exceptional strength & chloride stress corrosion cracking resistance)
• Seat: Viton® (excellent chemical/weather resistance, -20°C to 120°C)
• Operation: Lever or Gear Actuator (selectable for manual/process control)
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SAIZ: 8″~14″
PENILAIAN: 200WOG
BADAN: ASTM A536 BESI MURAH
CAKERA: ASTM A536 BESI MURAH
BATANG: SS416 TANPA PIN
DUDUK: NBR
PENGAKUAN: UNIT GEAR
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Saiz: 4” & 6” (DN100 & DN150)
Penilaian Tekanan: 150LB (PN16)
Bahan Utama:
Badan & Cakera: CPVC (Reka bentuk tahan kakisan, ringan)
Batang: Keluli Tahan Karat 304 (Kekuatan tinggi, rintangan kakisan yang sangat baik)
Tempat duduk: EPDM (Kedap unggul, tahan bahan kimia)
Operator: Tuas (Pengendalian manual yang cepat dan mudah)
Jenis Sambungan:
Jenis Wafer – Reka bentuk padat untuk pemasangan bebibir standard
Jenis Lug – Membolehkan penyingkiran satu sisi untuk penyelenggaraan yang mudah
Monoflange – Penyesuaian fleksibel kepada pelbagai piawaian bebibir
Injap rama-rama ialah sejenis injap suku pusingan yang digunakan untuk mengawal selia, mengasingkan atau memulakan dan menghentikan aliran bendalir dalam sistem paip. Ia terdiri daripada cakera bulat atau plat yang dipasang pada aci berputar. Apabila pemegang atau penggerak memusingkan aci 90 darjah, cakera bergerak dari kedudukan tertutup sepenuhnya kepada kedudukan terbuka sepenuhnya, membenarkan aliran melalui injap. Cakera kekal dalam laluan aliran walaupun dibuka, yang bermaksud sentiasa ada penurunan tekanan sedikit. Injap rama-rama terkenal dengan reka bentuk yang padat, operasi pantas dan keberkesanan kos, terutamanya dalam saluran paip berdiameter besar. Ia datang dalam pelbagai jenis, seperti wafer, lug dan gaya mengimbangi dua atau tiga kali ganda, bergantung pada tekanan dan keperluan pengedap. Injap ini digunakan secara meluas dalam industri seperti rawatan air, HVAC, pemprosesan kimia, minyak dan gas, dan makanan dan minuman, kerana kebolehpercayaannya, penyelenggaraan yang rendah, dan pemasangan yang mudah.
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