Rigid Stem Series

Features
4½” Dial Size
Solid Front/Blow-Out Back
±0.5% Accuracy
Field Liquid Fillable
7″ • 9″ • 12″ Scale Sizes
How to Order

Dimensional Drawings

Complete Specifications
| Models | Wetted Parts |
| 450B (dry) 450LFB (liquid-filled) | Bronze tube, brass socket |
| 450SS (dry) 450LFSS (liquid-filled) | 316 Stainless steel* tube & socket |
| 450M (dry) 450LFM (liquid-filled) | Monel tube and socket (meets NACE MR 01.75) |
| Dial Size | 4½" |
| Fill | Glycerine. Other fills available. See Options & Accessories. |
| Movement | Stainless steel |
| Connection | Lower male or lower back male, ¼ or ½ NPT |
| Case | Fiberglass reinforced polypropylene, turret, solid front with blow-out back |
| Ring | Threaded fiberglass reinforced polypropylene |
| Window | Acrylic |
| Pointer | Micro adjustable, black finished |
| Dial Face | Aluminum, white background with black graduations and markings |
| Additional Features | Overload and underlay stops |
| Accuracy | ±0.5% Full Scale ASME B40.100 Grade 2A |
| Maximum Temperature | 450B, 450SS, 450M: 250°F (121°C) 450LFB, 450LFSS, 450LFM: 150°F (65°C) |
| Approximate Shipping Weight | 450B, 450SS, 450M: 2.2 lbs [1.00 kg] 450LFB, 450LFSS, 450LFM: 3.1 lbs [1.41 kg] |
| *Ranges over 10,000 PSI have Ni-Span-C tube. |