21/2”, 31/2”, & 41/2” series General Service Pressure Gauge isan economic pressure gauge for normal medium, to measure vacuumand mix pressure up to 5000psi. It is applied to water, oil, air, gas orother non-corrosive medium.
ZR中國出口型軸向徑向帶邊安裝普通壓力表型號Y-67,Y-90,Y-120
主要技術參數
公稱直徑:21/2”、31/2”41/2”67mm,90mm,127mm
精度等級± 3/2/3%(超過全量程的一半后存在±2%誤差) 國內1.5%
測量范圍0 to 30 Hg VAC;聯程30”Hg to 400psi;0 to 5,000psi
連接螺紋1/8”和1/4”NPT,其它見選型表
儀表外殼21/2”、31/2”鐵殼噴黑塑,41/2”鐵殼電鍍
波登管及儀表接頭銅合金波紋管與磷銅接頭錫焊接
儀表機芯銅合金
儀表玻璃21/2”、31/2”有機玻璃旋緊式 41/2”平板塑料玻璃帶金屬緊固圈
儀表度盤標準度盤及鋁制白地黑字PSI和KPa雙刻度盤
Specifications
Diameter:
Accuracy: ± 3/2/3% (there is ± 2% error when thepressure overrun half of the full scale ofvalue )
Range: 0 to 30 Hg VAC mix range 30”Hg to 400psi 0 to 5,000psi
Connection: 1/8”and 1/4”NPT, See type table
Case: 21/2”, 31/2” iron case with black plastic painted
41/2” iron plating case.
Bourdon tube & socket: Copper alloy tube withphosphor copper socket, soft soldering
Internals: Copper alloy
Window: 21/2”, 31/2” plain plastic, screw fixed
41/2” plain plastic glass with metal fixing loop
Dial: Aluminium, white with black marks, double scaleof PSI and Kpa