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類型：	隔膜壓力表	型號(hào)：	990.35
聯(lián)接型式：	帶插入深度	精度等級(jí)：	1.0
品牌：	WIKA/威卡	環(huán)境溫度：	-20-60（℃）
加工定制：	是	公稱直徑：	100（mm）
測(cè)量范圍：	0-100（MPa）

WIKA 990.35 帶插入深度的夾心型餅式隔膜密封式夾心隔膜壓力表

Flanged Process Connection, Diaphragm Seals
Cell-Type （Sandwich） Seals with Extended Diaphragm
Model 990.35

Diaphragm Seal, Cell-Type （Sandwich） Seal with Extended
Diaphragm Model 990.35

Applications

   Chemical process industry
Petrochemical industry
   Suitable for corrosive, highly viscous, crystallising or hot pressure media
   For thick-walled or isolated tanks and pipelines
   High pressure applications

Special Features
Sandwich flange （cell） with an extended welded diaphragm with contoured diaphragm bed
Available for all standard dimensions and nominal diameters
With special materials all wetted parts of the selected material

Description

   Process connection
    Flanges DN 50, 80, 100, 125 following EN 1092-1, sealing face form B1 or NPS 2", 3", 4", 5" per ASME B 16.5, RF 125 ... 250 AA
    For the mounting an additional blind flange is required （not included in the scope of delivery）

Pressure rating
See table （reverse side）

Pressure ranges
25 mbar and up, depending on diaphragm size and process conditions

Material of wetted parts
Stainless steel 316L

Diaphragm extension
50, 100, 150 or 200 mm

Instrument connection
Material stainless steel 316L, adaptor G ½ female per EN 837-1, welded to capillary

   Capillary extension
    Radial entry capillary of stainless steel 1.4571, welded to body, armoured, armour material stainless steel 1.4301
    Standard extensions: 1, 1.6, 2.5, 4, 5, 6, 7, 8 m
    Minimum curve radius: 30 mm

Options

Process connection
Sealing faces per EN 1092-1, form B2 or per ASME B 16.5, RF 125 AA, 500AA, RFSF; EN 1092-1 groove and tongue; projection and recess; ASME B 16.5 snap ring groove form RJF （limited for special materials, please inquire）
Flame arrester approved for Zone 0

Instrument connection
Adaptor with optional welding or pipe thread nipple

Material of wetted parts
Stainless steel 1.4435, 1.4541, 1.4571, 1.4462 titanium; Hasloy B3, C4, C276; Monel 400; nickel Inconel 600; Incoloy 825; tantalum
Stainless steel 316L, diaphragm with gold plating approx. 25 micron
PFA coating max. 260 °C
ECTFE （Halar®） coating max. 150 °C

Diaphragm extension
Custom lengths available

Capillary extension
Custom extension lengths between 1 and 15 m
Soft polyethylene or PTFE armour

Dimensions in mm

    Ordering information
    Model / Process connection （standard, nominal size, pressure rating, sealing face） / Extension RL / Material of wetted parts /
    Instrument connection: directly combined or capillary extension, capillary length / System fill fluid / Pressure gauge model /
    Process conditions: application, process temperature max. and min., ambient temperature max. and min.