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Model 3510 Safety Test Chamber

Product Details

The Model 3510 is a bench mounted safety test chamber designed for proof and burst testing small components, such as valves, pressure gauges, and transducers, up to 20,000 psi.

The 21” x 19.5” x 21” (W x H x D) interior dimensions allow ample room to work inside the chamber and a large acrylic window enables convenient observation of the unit under test. Simple controls, numerous passive and active safety features, and heavy 10-gauge welded steel construction make the Model 3510 Safety Test Chamber ideal for production line testing by unskilled personnel.

Designed for proof and burst testing up to 20,000 psi using manually operated booster pump with differential area piston.
4.5” diameter test gauge with mirrored dial is accurate to within 0.5% of IV throughout full-scale range of 0 to 20,000 psi.
Active safety features include an interlocking device that prevents test pressure from being applied until the door is closed.
A red top-mounted warning light that flashes while an item inside the chamber is pressurized.
A warning buzzer that sounds if the door is opened while the system is under pressure.
A chamber door constructed from double-walled 10-gauge steel, and a 6” x 10” viewing window consisting of 2” thick acrylic plastic.
The back, sides, floor, and roof of the chamber are also constructed using welded 10-gauge steel, with a 1” thick polyethylene plastic liner.
Should a test item burst, labyrinth baffles in the back wall of the chamber, allow pressure to bent rearward while preventing the release of dangerous fragments.
The 21” x 19.5 x 21” (W x H x D) interior dimensions allow ample room to work inside the chamber and a large acrylic window enables convenient observation of the unit under test.
Simple controls, numerous passive and active safety features, and heavy 10-gauge welded steel construction make the Model 3510 Safety Test Chamber ideal for production line testing by unskilled personnel.
The model 3510 Safety Test Chamber is completely self-contained and only requires an external supply of dry nitrogen (or other inert gas) and a 115 VAC power source for operation.
A 4.5-inch diameter test gauge mounted in the center of the front panel indicates the pressure being applied to the test item.

Fluid Medium: Gaseous Nitrogen

Electrical Requirements: 120 VAC, 60 Hz, 10 Amperes

Weight & Dimensions:
Weight, Part No. 3510-1-1: 245 lbs.
Exterior Dimensions: 24”W x 28”H x 32”D (61 x 71 x 81.3 cm)
Interior Dimensions: 21”W x 19.5”H x 21”D (53.3 x 49.5 x 53.3 cm)
Door Dimensions: 20”W x 14.5”H (51 x 36.8 cm)

Booster Pump:
Pressure Ratio: 10:1 (nominal)
Supply Pressure: 3000 psig (maximum)
Discharge Pressure: 20,000 psig (maximum)

Gauges:
Supply/Regulated Pressure Gauge: 0 to 3,000 psig Range
Test Pressure Gauge: 4.5” mirrored dial, solid front, 0 to 20,000 psig range, ±0.5% accuracy

The Model 3510 Safety Test Chamber is completely self-contained and only requires an external supply of dry nitrogen (or other inert gas) and a 115 VAC power source for operation.

All operating controls and elements, including a regulator for the gas supply, 10:1 booster pump, source pressure gauge, regulated pressure gauge, test pressure gauge, control and vent valves, and a mechanical timer, are housed within the unit. The pneumatic and electrical wiring schematics below depict the various test chamber components.

To set-up for testing, the item undergoing evaluation is connected to the quick-disconnect discharge port inside the test chamber via a flexible braided stainless steel jumper hose. A nitrogen supply is also connected to the inlet fitting on the side of the chamber to facilitate testing. After the chamber door is closed and locked, the gas shutoff valve and regulator are opened, and pressure is metered to the test item using a precision soft seat control valve on the front panel. A 4.5-inch diameter test gauge mounted in the center of the front panel indicates the pressure being applied to the test item.

To increase the test pressure up to the 20,000 psi maximum operating range, the user turns a three way valve on the front panel to cycle the booster pump. Each time the booster cycling valve is opened, the source gas drives a differential area piston in the booster pump, which multiplies the pressure being supplied to the test item by a factor of 10. Check valves on the high pressure end of the booster pump prevent reverse gas flow. The operator continues to cycle the valve for the booster pump until the test gauge indicates the desired pressure.

Once the desired proof or test pressure is reached, the built-in mechanical timer is used to count down the test duration; a bell will sound when the specified time has elapsed. To release the test pressure at a controlled rate, the operator simply closes the control valve and opens the vent valve on the front panel.

The Model 3510 chamber incorporates numerous features designed to ensure the safety of the operator. Passive safety features include a chamber door constructed from double-walled 10-gauge steel, and a 6” x 10” viewing window consisting of 2” thick acrylic plastic. The back, sides, floor, and roof of the chamber are also constructed using welded 10-gauge steel, with a 1” thick polyethylene plastic liner. Should a test item burst, labyrinth baffles in the back wall of the chamber, shown in the photo above, allow pressure to vent rearward while preventing the release of dangerous fragments.

Active safety features include an interlocking device that prevents test pressure from being applied until the door is closed, a red top-mounted warning light that flashes while an item inside the chamber is pressurized, and a warning buzzer that sounds if the door is opened while the system is under pressure.

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