PLB Series Liquid Filled Pressure Gauge (Bayonet Style)
Category:
Features
Dial: white aluminium dials with black and red markings
Case style: bayonet, stainless steel 304
Socket: brass, lead-free brass or stainless steel 304
Glycerine-filled or dry with filling hole
Restrictor in connection
ASME B40.100 and EN837-1 compliant
Application
With liquid-filled case for applications with high dynamic pressure pulsations or vibration
Suitable for corrosive environments and gaseous or liquid media that will not obstruct the pressure system
Process industry: chemical / petrochemical, power stations, mining, on and offshore, environmental technology, mechanical engineering and plant construction
| Specifications | |
| Dial | 2" (50mm), 2.5" (63mm), 3" (75mm), 4" (100mm), 6" (150mm) |
| Case | Stainless Steel 304, Polished or Matte (Not Bright) |
| Lens | Polycarbonate Window, Armored Glass or Safety Glass, Bayonet Bezel |
| Socket | Brass, Lead-free Brass, Stainless Steel |
| Connection | 1/8", 1/4", 1/2" NPT, BSP, BSPT (Lower / Back / Lower Back), Other Thread Sizes Available |
| Movement | Brass |
| Pointer | Black Aluminium |
| Welding | Sliver Alloy |
| Over-pressure Limit | 25% of Full Scale Value |
| Working Pressure | Maximum 80% of Full Scale Value |
| Ambient / Process Temperature | -40°F to 150°F (-40℃ to 65℃) |
| Liquid-filled | Glycerine-filled or Dry with Filling Hole |
| Unit Option | psi, bar, kg/c㎡, kPa, MPa, atm, etc. |
| Accuracy | Dial 2" : ±3-2-3% Grade B Dial 2.5", 3" : ±3-2-3% Grade B (±1.6% Available) Dial 4", 6" : ±1.6% (±1.0% Available) |
Product Image & Drawing
A
B
C
D
- Lower Connection

| Dial Size | D1 | D2 | B1 | B2 | A | H | SW |
| 2" | 2.283" (58mm) |
2.008" (51mm) |
1.122" (28.5mm) |
0.354" (9mm) |
0.394" (10mm) |
2.047" (52mm) |
0.551" (14mm) |
| 2.5" | 2.717" (69mm) |
2.441" (62mm) |
1.220" (31mm) |
0.413" (10.5mm) |
0.394" (10mm) |
2.244" (57mm) |
0.551" (14mm) |
| 3" | 3.543" (90mm) |
3.150" (80mm) |
1.378" (35mm) |
0.551" (14mm) |
0.433" (11mm) |
2.638" (67mm) |
0.551" (14mm) |
| 4" | 4.291" (109mm) |
3.878" (98.5mm) |
1.535" (39mm) |
0.571" (14.5mm) |
0.512" (13mm) |
3.189" (81mm) |
0.866" (22mm) |
| 6" | 6.339" (161mm) |
5.846" (148.5mm) |
1.969" (50mm) |
0.689" (17.5mm) |
0.591" (15mm) |
4.291" (109mm) |
0.866" (22mm) |
-Back Connection

| Dial Size | D1 | D2 | B1 | B2 | H | SW |
| 2" | 2.283" (58mm) |
2.008" (51mm) |
1.122" (28.5mm) |
0.354" (9mm) |
2.146" (54.5mm) |
0.551" (14mm) |
| 2.5" | 2.717" (69mm) |
2.441" (62mm) |
1.220" (31mm) |
0.413" (10.5mm) |
2.244" (57mm) |
0.551" (14mm) |
| 3" | 3.543" (90mm) |
3.150" (80mm) |
1.378" (35mm) |
0.551" (14mm) |
2.520" (64mm) |
0.551" (14mm) |
| 4" | 4.291" (109mm) |
3.878" (98.5mm) |
1.535" (39mm) |
0.571" (14.5mm) |
2.756" (70mm) |
0.866" (22mm) |
| 6" | 6.339" (161mm) |
5.846" (148.5mm) |
1.969" (50mm) |
0.689" (17.5mm) |
3.465" (88mm) |
0.866" (22mm) |
Product Type Selection
| Select Code (#) |
Order Type (Series) |
Dial (D) |
Socket (S) |
Process Connection (C) |
Mount (M) |
Range & Unit (R) |
Liquid-filled (F) |
| 1 | PLB | 2" (50mm) | Brass | 1/8" NPT | Lower | 0/100psi & 0/7 bar | Glycerine-filled |
| 2 | 2.5" (63mm) | Lead-free Brass | 1/4" NPT | Back | 30" Hg Vac | Dry with Filling Hole | |
| 3 | 3" (75mm) | Stainless Steel | 1/2" NPT | Lower Back | 30"/0/30 psi | ||
| 4 | 4" (100mm) | 1/8" BSP | 30"/0/60 psi | ||||
| 5 | 6" (150mm) | 1/4" BSP | 30"/0/100 psi | ||||
| 6 | 1/2" BSP | 30"/0/160 psi | |||||
| 7 | 1/8" BSPT | 30/0/200 psi | |||||
| 8 | 1/4" BSPT | 30"/0/300 psi | |||||
| 9 | 1/2" BSPT | 0/15 psi | |||||
| 10 | Other Thread Sizes Upon Request |
0/30 psi | |||||
| 11 | 0/60 psi | ||||||
| 12 | 0/100 psi | ||||||
| 13 | 0/160 psi | ||||||
| 14 | 0/200 psi | ||||||
| 15 | 0/300 psi | ||||||
| 16 | 0/400 psi | ||||||
| 17 | 0/600 psi | ||||||
| 18 | 0/1,000 psi | ||||||
| 19 | 0/1,500 psi | ||||||
| 20 | 0/2,000 psi | ||||||
| 21 | 0/3,000 psi | ||||||
| 22 | 0/4,000 psi | ||||||
| 23 | 0/5,000 psi | ||||||
| 24 | 0/6,000 psi | ||||||
| 25 | 0/7,500 psi | ||||||
| 26 | 0/10,000 psi | ||||||
| 27 | 0/15,000 psi | ||||||
| 28 | Other Ranges Upon Request |
To Order Liquid Filled Pressure Gauge (Bayonet Style)
| Select Code | Series | D1 | S1 | C1 | M1 | R1 | F1 |
| Order Type | PLB- | ||||||
| Dial | 2" (50mm) | ||||||
| Socket | Brass | ||||||
| Process Connection | 1/8" NPT | ||||||
| Mount | Lower | ||||||
| Range & Unit | 0/100psi & 0/7 bar | ||||||
| Liquid-filled | Glycerine-filled |
For the example indicated above, for product code PLB-D1S1C1M1R1F1, the specs of the liquid filled pressure gauge (bayonet style) selected are:
PLB Series 2" (50mm) Dial, Brass Socket, 1/8" NPT, Lower Connection, 0/100psi & 0/7 bar Range, Glycerine-filled.
Keywords: PLB Series Liquid Filled Pressure Gauge (Bayonet Style)
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