威卡变送器系统选型 压力变送器
IPT-20 带隔膜
Diaphragm seal system
Version Pressure measuring instrument mounted to a diaphragm seal with clamp connection, welded
Scale range
Gauge pressure in bar [psi]
0 ... 2.5 [0 ... 40] 0 ... 4 [0 ... 60] 0 ... 6 [0 ... 100]
0 ... 10 [0 ... 150] 0 ... 16 [0 ... 250] 0 ... 25 [0 ... 400]
Scale range 1)
Vacuum in bar [psi]
-1 ... 1.6 [-30 inHg ... 25] -1 ... 3 [-30 inHg ... 45] -1 ... +5 [-30 inHg ... +70]
-1 ... 10 [-30 inHg ... 145] -1 ... 15 [-30 inHg ... 220] -1 ... 25 [-30 inHg ... 360]
Permissible temperature range
Medium
Ambient
Storage
+10 ... +80 °C [+50 ... +176 °F] for CIP and SIP max. +130 °C [+266 °F]
+10 ... +40 °C [+50 ... +104 °F]
+10 ... +60 °C [+50 ... +140 °F]
Ingress protection per IEC/EN 60529 IP65
Material 2)
wetted Diaphragm: Stainless steel 1.4435 (316L); UNS S31603
Diaphragm seal: Stainless steel 1.4435 (316L); UNS S31603
Surface roughness
wetted
non-wetted
Ra ≤ 0.38 µm [15 µin] per ASME BPE SF4, electropolished [except for weld seam]
Ra ≤ 0.76 µm [30 µin] [except for weld seam]
Mounting type Direct mounting
Level of cleanliness of wetted parts Oil and grease free per ASTM G93-03 level F WIKA standard (<1,000 mg/m²
)
System fill fluid Medicinal white mineral oil KN 92 (FDA 21 CFR 172.878, 21 CFR 178.3620(a); USP, EP, JP)
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