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| 類型： | 隔膜壓力表 | 型號： | 981.21 |
| 聯接型式： | 帶APV-RJT標準的螺紋接口 | 精度等級： | 1 |
| 品牌： | WIKA/威卡 | 環境溫度： | -20-60（℃） |
| 加工定制： | 是 | 公稱直徑： | 63 100 160（mm） |
| 測量范圍： | 0-100（MPa） |
WIKA 981.21 圓筒型隔膜密封，帶APV-RJT標準的螺紋接口
Sterile Process Connection, Diaphragm In-line Seals
for Food, Biochemical and Pharmaceutical Industry
Threaded Coupling Model 981.18 ... 981.21
Diaphragm In-line Seal Model 981.18 with Male Thread and
Pressure Gauge Model 232.50 NS 100
Diaphragm In-line Seal Model 981.18 with Male Thread and
Pressure Transmitter Model S-10
Applications
For direct, fast installation and removal in pipelines
For flowing, pure media
Food and beverage industry
Special Features
Compley round diaphragm （Europ. Pat. No. 0609846） to avoid dead spaces
Self-draining in all mounting positions
Quick measuring point cleaning without residues
Suitable for CIP
EHEDG tested
Description
Process connection
Male thread, on both sides
Model 981.18: threaded coupling DIN 11 851
Model 981.19: threaded coupling SMS standard
Model 981.20: threaded coupling IDF standard
Model 981.21: threaded coupling APV-RJT standard
Nominal sizes （DN） see dimensions overleaf
Pressure rating
PN 40 bar for DN 20 ... DN 50 resp. DN 1" ... DN 2"
PN 25 bar from DN 65 resp. DN 2½"
Suitable pressure ranges
0 ... 1 bar to 0 ... 25 resp. 40 bar
Material of wetted parts
Stainless steel 1.4435 （316L）
Instrument connection
Gauges directly welded, transmitter with adaptor screwed
Fill fluid
KN 7 Glycerine, food compatible, FDA approved, according to standard US Pharmacopoeia XXIV and European Pharmacopoeia （1998）
