Dwyer 蝶閥 WE20系列

規格規格

SPECIFICATIONS VALVE

Service    Compatible liquids, gases, and steam.

Body    2-way, wafer or lug butterfly.

Line Sizes    2 to 12".

End Connections    Lug and wafer pattern designed for flanges that are ANSI Class 125 (B16.1) and ANSI Class 150 (B16.5) dimension.

壓力范圍    225 psi (15.5 bar).

Wetted Materials    Body Material: Ductile iron; Disc: 316 SS; Seat: EPDM or PTFE; O-ring: EPDM; Stem: 410 SS.

Temperature Limits    Disc: EPDM: -50 to 250°F (-46 to 121°C);

                                      PTFE: 0 to 300°F (-18 to 149°C).

Bearings    Nylatron.

Operator    2 to 6" 10-position locking hand lever; 8 to 12": manual gear.

ACTUATORS

Pneumatic “DA” and “SR” Series Type    DA series is double acting and SR series is spring return (rack and pinion).

Normal Supply Pressure    DA: 40 to 115 psi (2.7 to 7.9 bar); SR: 70 to 115 psi (4.8 to 7.9 bar).

Maximum Supply Pressure    120 psi (8.6 bar).

Air Connections    DA03 thru DA11: 1/4" FNPT; SA03 thru SR11: 1/4" FNPT.

Housing Material    Anodized aluminum body and epoxy coated aluminum end caps.

Temperature Limits    -40 to 176°F (-40 to 80°C).

Accessory Mounting    NAMUR standard.

Electric "TD" and "MD" Series

Power Requirements    110 VAC, 220 VAC or 24 VAC.

Power Consumption    See instruction manual.

Cycle Time (per 90°)    TD01 and MD01: 4 s; TD02 and MD02: 20 s; TD03 and MD03: 30 s; TD04 and MD04: 30 s; TD05 and MD05: 30 s; TD06 and MD06: 45 s; TD07 and MD07: 30 s.

Duty Rating    85%.

Enclosure Rating    NEMA 4X (IP67).

Housing Material    Powder coated aluminum.

Temperature Limits    -22 to 140°F (-30 to 60°C).

Electrical Connection    1/2" female NPT.

Modulating Input    4 to 20 mA.

Standard Features    Manual override, position indicator, and TD models come with two limit switches.

Electric "TH" and "MH" Series

Power Requirements    110 VAC, 220 VAC, 24 VAC or 24 VDC.

Power Consumption    See instruction manual.

Cycle Time (per 90°)    See instruction manual.

Duty Rating    See instruction manual.

Enclosure Rating    NEMA 7, designed to meet hazardous locations: Class I, Group C & D; Class II, Group E, F & G; Division I & II.

Housing Material    Powder Coated Aluminum.

溫度范圍    -22 to 140°F (-30 to 60°C).

Electrical Connection    1/2" female NPT.

Modulating Input    4 到 20 mA.

Standard Features    Position indicator and two limit switches.

技術指標

選項配件

安裝手冊

Instruction Manual.pdf

PRODUCT DATA SHEET.pdf

尺寸詳圖

Adobe Reader in format.pdf

產品大圖

型號列表

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