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加工定制
品牌
WIKA/威卡
型號(hào)
990.26
類型
隔膜壓力表
測(cè)量范圍
400 mbar and up,(MPa)
精度等級(jí)
1.0
聯(lián)接型式
DN15 20 25 ASME B
公稱直徑
63 100 160(mm)
環(huán)境溫度
-20-100(℃)

WIKA 990.26 帶內(nèi)嵌膜片的法蘭式

隔膜密封法蘭隔膜壓力表 DN15

Flanged Process Connection, Diaphragm

Seals with Internal Diaphragm
Model 990.26



Diaphragm Seal, Flanged Process Connection Model 990.26
with Pressure Gauge Model 233.50 NS 100

Applications
Chemical process industry
Petrochemical industry
Suitable for corrosive, highly viscous, crystallising or hot pressure media
For small flanged process connections

Special Features
Open flange with an internal welded diaphragm with contoured diaphragm bed
No sealing or clamping elements
Compact design

Description

Process connection
Flanges DN 15, 20, 25 following EN 1092-1,
sealing face form B1
or NPS ½", ¾", 1" per ASME B 16.5, RF 125 ... 250 AA

Pressure rating
See table (reverse side)

Suitable pressure ranges
400 mbar and up, depending on diaphragm size and
process conditions

Material of wetted parts
Stainless steel 316L

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

Capillary extension
Axial 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 m
Minimum curve radius: 30 mm



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

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