Japan, Yamamoto Keiki
Yamamoto Keiki Ordinary pressure gauge
Product Made in Japan
Manufacturer: Yamamoto Keiki
φ100/Type B 
φ100/Type A
Adjustable red pointer 
φ150/Type B
φ100/Type DF（Front rim）
Feature
A wide manufacturing range of Bourdon tube pressure gauges meeting JIS.B7505 standard, including pressure gauge, vacuum gauge and compound gauge, are available.
Specifications
| Size | φ60 φ75 φ100 φ150 φ200 |
| Shape of casing | Standard case, Closed case Type A Type B Type D (front rim or middle rim) |
| Connecting thread | φ60…R1/4 (G1/4) φ75…G3/8 φ100…G3/8, G1/2 φ150…G3/8, G1/2 φ200…G1/2 |
| Materials for the parts touching liquid | (Differs according to pressure) *General Use Socket:C3604BD, YBSC3 Bourdon tube:C2700T, SCM435, SUS316 *Corrosion Resistant application(for ammonia) Socket:SUS316 Bourdon:SUS316 |
| Pressure range | Pressure gauge 0～100MPa （φ60：to 25MPa, φ75：to 60MPa）〔0～1000kg/c㎡ （φ60 to 250kg/c㎡, φ75 to 600kg/c㎡）〕 Vacuum gauge Compound gauge |
| Classification（mark） | Ordinary type for steam（M） Heatproof type（H） Vibration-proof type（V） Vibration-proof type for steam（MV） Heat and vibration proof type（HV） |
| Accuracy | ±1.6％F.S. |
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