Wika, Flange Diaphragm Assembly, L990.12, 1/2" Class 150, With 233.54, 4", 0-60psi

Manufacturer: Wika Instrument Lp

Mfg Product Code: 52772808

Weight: 15.0 lb(s)

Type 23X.5X, size 4" Stainless Steel, crimped
or removable bezel (53 or 54)
Specifications according to data sheet: 23X.53 and 23X.54
Measuring System: Stainless Steel
Case: Removable bayonet ring
Scale range: 0/60 psi
Process Connection: 1/2 NPT
Connector location: lower mount
Accuracy Class: +/- 1% (ASME B40.100 Grade 1A)
Material pressure element: Measuring System 316L
Case filling fluid: Glycerine
Pointer: adjustable pointer
Window: laminated safety glass
Dial description:
Pressure Gauge Standard: US-Standard
color for 1.scale (outside): black
dial background: White
*WIKA®*
serial number on dial: Serial number *...*
Diaphragm seal system with 1 diaphragm seal
Assembly specification High-Side: Direct assembly
System fill fluid: KN 2 Silicone oil for general applications
Process temperature min.: + 10°C
Process temperature max.: + 80°C
Ambient temperature pressure meas. min: + 10°C
Ambient temperature pressure meas. max: + 40°C
Diaphragm seal, flange type, internal diaphragm
Specifications according to data sheet: DS 99.31 (Typ 990.12)
Specifications according to data sheet: in preparation (Typ 990.16)
Specifications according to data sheet: DS 99.32 (Typ 990.41)
Diaphragm seal: Model 990.12
Process connection: 1/2"
Process connection standard: following ASME B16.5
Nominal pressure rating: Class 150
Upper housing material / housing material: Stainless steel 1.4404 (316L); UNS S31603
Sealing face: Flat face 125...250AA
Fastening parts: Retainer flange and bolts in stainless steel
Diaphragm material: Stainless steel 304L (1.4304)
Lower housing material: Stainless steel 304L (1.4304)
Gasket: PTFE max. 500°F