Công ty TNHH kỹ thuật công nghệ và dịch vụ Tiên Phong
D5 KDC Miếu Nổi, Đinh Tiên Hoàng, P3, Q.Bình Thạnh
Tell : 0947 013 478 - 0914 73 81 79
Email : thuytrinh.pitesco@gmail.com
Website: www.pitesvietnam.com
Solid front safety pressure gauge
Model : P257
Service intended
P257 series are made with a solid plate wall and a blow-out back. Its stainless steel case and cover have a good appearance. It has the excellent proof against corrosion and chemical attack.
Nominal diameter
63, 100 and 160 mm
Accuracy
●P2572 (63 mm) : ±1.6% of full scale
●P2574 (100 mm) and P2576 (160 mm) : ±0.5% of full scale
±1.0% of full scale
●P2574 (100 mm) and P2576 (160 mm) : ±0.5% of full scale
±1.0% of full scale
Scale range (MPa, kPa, bar)
●63 mm : -0.1 ~ 0 to 0 ~ 100 MPa
●100 and 160 mm : -0.1 ~ 0 to 0 ~ 200 MPa
●100 and 160 mm : -0.1 ~ 0 to 0 ~ 200 MPa
Working pressure
●Steady : 75% of full scale (63 mm)
100% of full scale (100 and 160 mm)
●Over range protection : 130% of full scale
100% of full scale (100 and 160 mm)
●Over range protection : 130% of full scale
Working temperature
●Ambient : -40 ~ 65℃
-20 ~ 65℃ (With glycerin filling)
-40 ~ 65℃ (With silicone filling)
●Fluid : Max. 200℃
Max. 100°C (With glycerin filling)
Max. 100℃ (With silicone filling)
-20 ~ 65℃ (With glycerin filling)
-40 ~ 65℃ (With silicone filling)
●Fluid : Max. 200℃
Max. 100°C (With glycerin filling)
Max. 100℃ (With silicone filling)
Degree of protection
EN60529/IEC529/IP67
Temperature effect
Accuracy at temperature above and below the reference temperature (20℃) will be effected by approximately ±0.4% per 10℃ of full scale
Pressure connection
Stainless steel (316SS)
Element
●Stainless steel (316SS)
●63 mm : <6 MPa : C type bourdon tube
≥6 MPa : Helical type bourdon tube
●100 and 160 mm : <10 MPa : C type bourdon tube
≥10 MPa : Helical type bourdon tube
●63 mm : <6 MPa : C type bourdon tube
≥6 MPa : Helical type bourdon tube
●100 and 160 mm : <10 MPa : C type bourdon tube
≥10 MPa : Helical type bourdon tube
Case
Stainless steel (304SS)
Cover
Stainless steel (304SS)
Bayonet type
Bayonet type
Blowout protection
●Solid front
●Blow-out back
●Blow-out back
Window
Laminated safety glass
Movement
Stainless steel
Dial
White aluminum with balck graduations
Pointer
Black painted aluminium alloy
Process connection
●63 mm : ⅛", ¼" PT, NPT and PF
●100 and 160 mm : ¼", ½", ⅜" PT, NPT and PF
●100 and 160 mm : ¼", ½", ⅜" PT, NPT and PF
Optional
●Zero adjustable pointer
(Only available with diameter 100 and 160 mm)
●Zero adjustment (External) : 100 and 160 mm
●Pressure connection and element : Monel
(Only available with diameter 100 and 160 mm)
●Zero adjustment (External) : 100 and 160 mm
●Pressure connection and element : Monel
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