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Home / Apollo / Apollo Water Gauges

Apollo Water Gauges

BriceBarclay is a leading Apollo water gauge distributor.

The Apollo® 20 Series Bronze Liquid Level Gauges meet ASME design requirements for all types of liquid level verification. A standard gauge set includes top and bottom valves, sight glass, coated steel guard rods, and a 1/4″ drain valve.

Available Series

20-100 Series — Fits 3/8″ or 1/2″ pipe sizes
20-200 Series — Fits 3/8″ through 3/4″ pipe sizes
20-300 Series — Available in 1/2″ or 3/4″ pipe sizes

Available with heavy bronze body patterns for higher service ratings and aluminum or plastic composite handles. Made in the USA.

Questions? Get help today at sales@bricebarclay.com or 800.231.7174.

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Materials

316 Stainless Steel (0)

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Dial Size

1 1/2" (40mm) (0)

1 1/2" (41mm) (0)

1 1/4" (28mm) (0)

10" (250mm) (0)

2 1/2" (63mm) (0)

2 1/2" (68mm) (0)

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3 1/2" (90mm) (0)

3 1/2" (94mm) u-clamp only (0)

3" (76mm) (0)

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4 1/2" (115mm) (0)

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4" (101.6mm) (0)

5 1/2" (140mm) (0)

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8 1/2" (216mm) (0)

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Body Material

Body Material

303SS (0)

316L Stainless Steel (0)

316SS (0)

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Aluminum - Black Anodized Coated (0)

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NACE (0)

Pilot: Aluminum (0)

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Valve: Brass (0)

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Differential (0)

Gauge (0)

Ranges

Ranges

1,000 psi (0)

10 psi (0)

10,000 psi (0)

100 psi (0)

14,500 psi (0)

145 psi (0)

15 psi (0)

15,000 psi (0)

150 psi (0)

150,000 psi (0)

1600 IWC (0)

20,000 psi (0)

25 mbar to 25 bar absolute pressure (0)

25,000 psi (0)

250 IWC (0)

250 mbar (0)

3,000 psi (0)

30,000 psi (0)

300 psi (0)

360 psi (0)

400 psi (0)

5,000 psi (0)

50 IWC (0)

500 psi (0)

580 psi (0)

6,000 psi (0)

600 psi (0)

7,000 psi (0)

Switch Style

Switch Style

Electronic (0)

Mechanical (0)

Switch Type

Switch Type

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Pressure (0)

Enclosure

Enclosure

Explosion Proof (0)

NEMA 4X, 7, 9 & 13 (0)

Watertight (0)

Weatherproof (0)

SetPoint

SetPoint

Dual Setpoints - Fixed Deadband (0)

Single Set Point - Adjustable Deadband (0)

Single Set Point - Fixed Deadband (0)

Approvals

Approvals

ATEX (0)

CE (0)

CLASS I DIV 1 GROUPS A, B, C, & D (0)

CLASS II DIV 1 GROUPS E, F, & G (0)

CRN (0)

CSA (0)

CSAE (0)

FM (0)

IECEx (0)

RoHS (0)

SIL 3 Capable (0)

SIL 3 Capable (B-D-T Switch Models) (0)

UL (0)

Measurement

Measurement

Absolute (0)

Compound (0)

Differential (0)

Gauge (0)

Accuracy

Accuracy

±0.05% of span (0)

±0.10% of span (0)

±0.125% of span (0)

±0.15% of span (0)

±0.20% of span (0)

±0.25% of span (0)

±0.4% of span (0)

±0.5% of span (0)

±0.50% of span (0)

±0.8% of span Terminal Point Method: includes non-linearity, hysteresis, non-repeatability, zero offset and span setting errors (0)

±1.0% of span (0)

±1.00% of span (0)

±1.5% of Span (0)

±1% of span (0)

Terminal Point Method: includes non-linearity, hysteresis, non-repeatability, zero offset and span setting errors (0)

Ingress Rating

Ingress Rating

IP65 (0)

IP66 (0)

IP67 (0)

IP68 (0)

IP69K (0)

IP69K (Consult Factory) (0)

NEMA 1 (0)

NEMA 2 (0)

NEMA 4 (0)

NEMA 4X (0)

NEMA 6P (0)

NEMA 7 (0)

NEMA 9 (0)

Electrical Output

Electrical Output

Current (0)

Digital (0)

Millivolt (0)

Voltage (0)

Display

Display

No (0)

Yes (0)

Connection Type

Connection Type

Flanged (0)

In-Line (0)

Isolation Ring (0)

Threaded (0)

Tri-Clamp (0)

Seal Features

Seal Features

All-welded construction (0)

Compact Seal (0)

Flush Diaphragm (0)

Flushing Connection (0)

Isolation Ring (0)

Welded/Bonded Diaphragm (0)

Diaphragm/Liner Material (Wetted)

Diaphragm/Liner Material (Wetted)

304L SS (0)

316 SS (0)

316L SS (0)

904L SS (0)

Carpenter 20 (0)

Duplex 2205 (0)

Gold plated 316 SS (0)

Gold Plated 316L SS (0)

Halar coated 316L SS (0)

Halar Coated Monel (0)

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Kalrez (0)

Monel (0)

Nickel (0)

PTFE (0)

Safe Quick Release (SQR) Option (0)

Tantalum (0)

Titanium (0)

Viton (0)

Lower Housing or Endplate Material (Wetted)

Lower Housing or Endplate Material (Wetted)

304L SS (0)

316 SS (0)

316L SS (0)

321 SS (0)

347 SS (0)

904L SS (0)

Acetal (0)

Carbon Steel (0)

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CPVC (0)

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PVC (0)

PVDF (0)

Steel (0)

Super Duplex 2507 (0)

Tantalum (0)

Tantalum clad 316L SS (0)

Titanium (0)

Gauge Pressure Rating

Gauge Pressure Rating

> 5,000 psi (0)

2,500 - 5,000 psi (0)

in H2O ranges (0)

Number of SetPoints

Number of SetPoints

Dual (0)

Single (0)

Fitting Type

Fitting Type

CBC-Lok Tube Fitting (0)

CS-Lok Tube Fitting (0)

Pipe Fitting (0)

Fitting Configuration

Fitting Configuration

Adapter (0)

Bulkhead (0)

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Cap (0)

Cross (0)

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Plug (0)

Straight (0)

Tee (0)

Union (0)

Material

Material

316 Stainless Steel (0)

Brass (0)

Bronze (0)

Carbon Steel (0)

Cast Iron (0)

Ductile Iron (0)

Fiberglass Reinforced Plastic (0)

Lead Free Brass (0)

Lead Free Bronze (0)

Stainless Steel (0)

Stainless Steel Cast CF8M (0)

Steel (0)

Zinc Die Cast (0)

Zinc Plated (0)

Seats

Seats

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Delrin (0)

Integral (0)

Integral metal to metal (0)

Metal (0)

Monel (0)

PEEK (0)

Soft (0)

Tefzel (0)

Inlet Connections

Inlet Connections

3/4" NPT (0)

1 1/2" ANSI Flanged (0)

1" ANSI Flanged (0)

1" NPT (0)

1" Socket Weld (0)

1" to 2" (DN 25 to 50) (0)

1/2" (0)

1/2" - 1" NPT (0)

1/2" (15mm) NPT (0)

1/2" AGCO Tube (0)

1/2" ANSI Flanged (0)

1/4" NPT (0)

2-1/16" API Flanged (0)

2" ANSI Flanged (0)

3/4" (0)

3/4" ANSI Flanged (0)

3/4" Socket Weld (0)

3/8" NPT (0)

SP: G1/4" Parallel Threaded (0)

VPB: G1/4" Parallel Threaded (0)

Welded (0)

Outlet Connections

Outlet Connections

1" NPT (0)

1" Socket Weld (0)

1/2" (0)

1/2" (15mm) NPT (0)

1/2" (DN 5) (0)

1/2" AGCO Tube (0)

1/2" Socket Weld (0)

1/4" NPT (0)

3/4" NPT (0)

3/4" Socket Weld (0)

Instrument Connections

Instrument Connections

Direct Mount (0)

Process Connections

Process Connections

Flanged (0)

Socket Weld (0)

Threaded (0)

Tube (0)

Connections

Connections

1/4" Gauge Port (0)

1/4" NPT (0)

1/4" NPT Inlet (0)

1/4" NPT Outlet (0)

1/4" NPT Supply/Outlet (0)

1/8" NPT Sensing Port (0)

1/8" NPT Vacuum Sensing Port (0)

2 1/4" NPT Gauge Port (90 degrees from outlet port) (0)

Pressure (Max)

Pressure (Max)

10,000 psig (690 barg) (0)

3,000 psig (207 barg) (0)

3,500 psig (241 barg) (0)

5,990 psi (413 bar) (0)

6,000 psig (414 barg) (0)

6,170 psig (426 barg) (0)

6,250 psi (431 bar) (0)

Minimum Temperature

Minimum Temperature

-313°F (-192°C) (0)

-70.6°F (-57°C) (0)

-70°F (-57°C) (0)

-70°F (-58°C) (0)

-70°F to (-57°C) (0)

–40°F (–40°C) (0)

0°F (-18°C) (0)

Maximum Temperature

Maximum Temperature

1,000°F (538°C) (0)

1,022°F (550°C) (0)

200°F (93°C) (0)

392°F (200°C) (0)

400°F (204°C) (0)

500°F (260°C) (0)

842ºF (450°C) (0)

product_filter_max_supply_pressure (empty)

Blog (0)

Max Inlet Pressure

Max Inlet Pressure

10 psig - 125 psig (0)

100 psig - 1,000 psig (0)

15 psig - 60 psig (0)

200 psi (1,379 kPa) (0)

250 psig (1,742 kPa) (0)

3,000 psi (0)

300 psi (2,068 kPa) (0)

4,350 psi (0)

5,500 psi (0)

6,000 psi (0)

6,000 psig (41.4 MPa) (0)

Max Outlet Pressure

Max Outlet Pressure

0-125 psi (0-862 kPa) (0)

0-15" (38.1 cm) (0)

0-15" Hg (38.1 cm) (0)

0-25 psi (0-172 kPa) (0)

0-3 psi (0-21 kPa) (0)

0-60 psi (0-414 kPa) (0)

10 - 500 psig (0.069 - 3.45 MPa) (0)

125 psi (0)

125 psi (862 kPa) (0)

15 psi (103 kPa) (0)

150 psi (0)

160 psi (0)

225 psi (0)

25 psi (172 kPa) (0)

30" Hg (76.2 cm) (0)

35 psi (241 kPa) (0)

4 - 25 psig (0.3 - 0.173 MPa) (0)

4 - 50 psig (0.3 - 0.345 MPa) (0)

5 - 100 psig (0.04 - 0.690 MPa) (0)

5 psi (35 kPa) (0)

50 psi (345 kPa) (0)

550 psi (0)

6 - 250 psig (0.04 - 1.73 MPa) (0)

60 psi (414 kPa) (0)

Max Working Pressure

Max Working Pressure

250 psi - 450 psi (17 bar - 31 bar) (0)

250 psi (17 bar) (0)

300 psi - 500 psi (20 bar - 35 bar) (0)

350 psi - 500 psi (24 bar - 35 bar) (0)

400 psi - 750 psi (28 bar - 52 bar) (0)

800 psi - 1,000 psi (55 bar - 69 bar) (0)

KT-02 to KT-06: 7 bar (100 psi) (0)

KT-10 to KT-70: 10 bar (150 psi) (0)

Body

Body

316L Stainless Steel (0)

Cast Iron (0)

Ductile Iron (0)

Forged Brass (0)

Bonnet

Bonnet

Forged Brass (0)

Machined Brass (0)

Nickel Plated Brass (0)

Bonnet Material

Bonnet Material

316SS (0)

Aluminum (0)

Brass (0)

Plated Brass (0)

Diaphragm

Diaphragm

302 Stainless Steel (0)

316L Stainless Steel (0)

Aluminum (0)

Cast Iron (0)

Nylon fabric-reinforced Buna-N (0)

Seat Material

Seat Material

Kel-F (0)

Neoprene (0)

Nylon (0)

One piece molded Buna-N (0)

PCTFE (0)

PEEK (0)

PTFE (0)

TFM 1600 (0)

Adjustable Screw

Adjustable Screw

Allen (0)

Tee (0)

Port Configuration

Port Configuration

Full (0)

One in, three out (0)

One in, two out (0)

Standard (0)

Core

Core

Neoprene (0)

Nordel (0)

Thread

Thread

1/2" NPT (0)

1/4" - 1/2" FNPT (0)

1/4" NPT (0)

3/8" NPT (0)

NPT (0)

Length

Length

1 1/2" (0)

3" (0)

Bore

Bore

0.260" (0)

0.385" (0)

Connection

Connection

1/4" NPT (0)

ANSI Flanged (0)

Cone & Thread (0)

Flanged (0)

NPT (0)

Socket-weld (0)

Threaded (0)

VanStone (0)

Weld (0)

Process Size

Process Size

1 1/2" (0)

1" (0)

1/2" (0)

2" (0)

3/4" (0)

Size

Size

1 1/2" (0)

1 1/4" (0)

1 1/4" (32mm) - 12" (300mm) (0)

1 1/4" (32mm) - 8" (200mm) (0)

1" (0)

1" - 12" (25 - 300mm) (0)

1" - 16" (15 - 400mm) (0)

1" - 8" (25 -200mm) (0)

1" (25mm) - 12" (300mm) (0)

1" (25mm) - 24" (600mm) (0)

1/2" (0)

1/2" - 2" (0)

1/2" -1 1/2" (15 - 40mm) (0)

1/4" (0)

1/4" - 1" (0)

1/4" - 2" (0)

1/4" - 3" (0)

1/8" (0)

10" (0)

12" (0)

14" (0)

14" (350mm) - 24" (600mm) (0)

16" (0)

18" (0)

2 1/2" (0)

2" (0)

2" (50mm) - 12" (300mm) (0)

20" (0)

24" (0)

3" (0)

3/4" (0)

3/4" (20mm) - 12" (300mm) (0)

3/8" (0)

30" (0)

36" (0)

4" (0)

5" (0)

6" (0)

6" (150mm) - 24" (600mm) (0)

8" (0)

Fluid Capacity

Fluid Capacity

16 oz (0)

2 1/2 oz (0)

2 oz (0)

4 oz (0)

8 oz (0)

Regulated Ranges

Regulated Ranges

Blog (0)

Flow Capacity

Flow Capacity

1.5 SCFM (0.04 m3/min) (0)

2 SCFM (0.57 m3/min) (0)

20 SCFM (0.566 m3/min (0)

25 SCFM (0)

Nozzle Assembly

Nozzle Assembly

302 Stainless Steel with Soft Seat (0)

302/303 Stainless Steel (0)

316 Stainless Steel (0)

316 Stainless Steel with Soft Seat (0)

Brass (Body) with Soft Seat, Stainless Steel (Plug) (0)

Brass (Body), Stainless Steel (Plug) (0)

Brass with Buna "N" Seat (0)

Brass with Buna "N" Soft Seat (0)

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Price range: $79.55 through $96.53
Apollo Valves 20-100, 20-200, 20-300 Series Bronze Liquid Level Gauges, Water Gauges
Bronze liquid level (water) gauges meeting ASME design requirements. Sets include top and bottom valves, sight glass, guard rods, and a 1/4 in. drain valve.
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