General pressure gauge

Surface diameter 15: Surface diameter size 1.5” (40 mm) 20: Surface diameter size 2.0” (50 mm) 25: Surface diameter size 2.5” (63 mm) 30: Surface diameter size 3.0” (76 mm) 35: Surface diameter size 3.5” (88 mm) 40: Surface diameter size 4.0” (100 mm) 45: Surface diameter size 4.5” (113 mm) 60: Surface diameter size 6.0” (150 mm)

Product Type Selection

A: Black iron case, black iron bezel, glass dial, copper movement, copper connectors B: Polished copper case, screw-in polycarbonate dial, copper movement, copper connectors C: Electroplated iron case, electroplated iron bezel, plastic dial, copper movement, copper connectors D: Black iron case, black iron bezel, plastic dial, copper movement, copper connectors E: Electroplated iron case, snap-on plastic dial, copper movement, copper connectors F: Electroplated iron case, screw-in polycarbonate dial, copper movement, copper connectors G: Gold-plated iron case, screw-in polycarbonate dial, copper movement, copper connectors H: Stainless steel case, stainless steel bezel (or screw-in threaded bezel), polycarbonate dial, stainless steel movement, stainless steel connectors; oil-filled gauge Y: Black iron case, electroplated iron bezel, plastic dial, copper movement, copper connectors S: Black iron case, snap-on plastic dial, copper movement, copper connectors T: Black iron case, screw-in polycarbonate dial, copper movement, copper connectors P: ABS plastic case, snap-on plastic dial, copper movement, copper connectors U: ABS plastic case, press-fit plastic dial, copper movement, copper connectors R: Plastic case, screw-in polycarbonate dial, copper movement, copper connectors, Q: Black iron case, black iron bezel, glass dial, stainless steel movement and Bourdon tube, electroplated iron connectors (ammonia pressure gauge) J: Stainless steel case, stainless steel pressure ring, glass dial, stainless steel movement, stainless steel connectors M: Stainless steel case, stainless steel pressure ring, glass dial, copper movement, copper connectors I: Black iron case, stainless steel bezel, polycarbonate dial, copper movement, copper connectors, oil-filled gauge K: Stainless steel case, stainless steel bezel, polycarbonate dial, copper movement, copper connectors, oil-filled gauge L: ABS plastic case, plastic dial, copper movement, copper connectors, oil-filled gauge O: Black iron case, black iron bezel, plastic dial, copper movement, copper connectors, with electroplated iron connectors (gas pressure gauge) W: Black iron case, snap-on plastic dial, copper movement, copper connectors, with copper flexible joint (water pressure gauge) X: Iron case, iron bezel, glass dial, copper movement, copper connectors, with rubber hose or plastic case, snap-on plastic dial, copper movement, copper connectors, with plastic air valve (tire pressure gauge) V: Fire-fighting gauge Z: (magnetically assisted) electrical contact pressure gauge

Connection method

L: Radial B: Axial R: Radial with rear flange V: Axial with front flange U: Axial with U-shaped clamp F: Left-hand G: Right-hand H: Reverse Connection thread size 2: 1/2" NPT; 2B: 1/2" BSP; 2Z: 1/2" BSPT THREAD SIZE Connection thread 4: 1/4" NPT; 4B: 1/4" BSP; 4Z: 1/4" BSPT THREAD SIZE

Connecting thread

8: 1/8" NPT; 8B: 1/8" BSP; 8Z: 1/8" BSPT THREAD SIZE, connection thread 3: 3/8" NPT; 3B: 3/8" BSP; 3Z: 3/8" BSPT THREAD SIZE, connection thread 5: 5/16" NPT; 5B: 5/16" BSP; 5Z: 5/16" BSPT THREAD SIZE, connection thread 7: 7/16" NPT; 7B: 7/16" BSP; 7Z: 7/16" BSPT THREAD SIZE, connection thread X: None of the above (please provide details)—special thread [to be manufactured according to sample]

Pressure method

P: The gauge is calibrated solely in pressure units. P: Pressure gauge V: The gauge is calibrated solely in vacuum units. V: Vacuum gauge C: Both pressure and vacuum (compound) values. C: Compound [pressure-vacuum] gauge

Pressure Range

Indicated pressure ranges, expressed in pounds per square inch: –15 PSI to 0, 0 to 15 PSI, 0 to 30 PSI, 0 to 60 PSI, 0 to 150 PSI, 0 to 160 PSI, 0 to 200 PSI, 0 to 300 PSI, 0 to 400 PSI, 0 to 600 PSI, 0 to 1,000 PSI, 0 to 1,500 PSI, 0 to 2,000 PSI, 0 to 3,000 PSI, 0 to 4,000 PSI, 0 to 5,000 PSI, 0 to 6,000 PSI, 0 to 7,500 PSI, and 0 to 10,000 PSI.

Surface Scale Selection

X: Dual scale, e.g., imperial [PSI] and metric [kg/cm²]. W: Indicates use for steam, oxygen, hydrogen, carbon dioxide, acetylene, and ammonia. R: Refrigeration gauge scale, e.g., for fluorocarbons.