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Ralston Block and Bleed Valves
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Price: From $144.90 to $239.40
Manufacturer: RALSTON
Mfr. Part Number: QTHA-BLBO
Choose Your Model
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Ralston Block and Bleed Valves
Keep a calibration system pressurized with a fluid or gas while venting the pressure from the device being calibrated
| MODEL |
END 1 |
END 2 |
BLOCK VALVE |
VENT VALVE |
MATERIAL |
WORKING PRESSURE |
| QTHA-BLB0-HH
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Male Quick-test
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Male Quick-test
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Yes
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Yes
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Brass
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3000 PSI
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| QTHA-BLB0-HC
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Male Quick-test
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Female Quick-test
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Yes
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Yes
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Brass
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3000 PSI
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| QTHA-BLB0-1F-1F
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1/8" Female NPT
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1/8" Female NPT
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Yes
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Yes
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Brass
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3000 PSI
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| QTHA-BLB0-2F-2F
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1/4" Female NPT
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1/4" Female NPT
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Yes
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Yes
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Brass
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3000 PSI
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| QTHA-BLS0-HH
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Male Quick-test
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Male Quick-test
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Yes
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Yes
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Stainless Steel
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5000 PSI
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| QTHA-BLS0-HC
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Male Quick-test
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Female Quick-test
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Yes
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Yes
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Stainless Steel
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5000 PSI
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| QTHA-BLS0-2F-2F
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1/4" Female NPT
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1/4" Female NPT
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Yes
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Yes
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Stainless Steel
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5000 PSI
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Price: From $502.00 to $918.25
Ideal solution for either differential pressure or vacuum calibration using precision test gauge or pressure calibrator as the pressure reference. Not for use in Oxygen systems.
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Price: From $367.50 to $783.85
Economical solution for calibration of low pressure differential transmitters. Simple direct-acting pump action with fine adjustment piston makes an easy and precise pressure setting. Not for use in Oxygen systems.
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Price: From $367.50 to $783.85
An outstanding solution for performing vacuum calibration in the laboratory or in the field where the pressure reference is attached to the pump with integral test gauge adapter. Not for use in Oxygen systems.
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Price: From $4,618.00 to $5,195.00
Self contained unit provides a precise nitrogen source for calibrating differential and static pressure instrumentation using an external pressure calibrator
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Lightweight, high pressure source that can use oil or water as the test fluid.
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Price: From $320.05 to $1,152.70
An excellent solution for doing static pressure calibrations with compressed nitrogen gas. Brass and stainless steel manifolds are available to provide solutions for every type of environment.
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Price: From $663.50 to $1,065.35
An outstanding solution for taking gas samples in the field for analysis in the lab. The SP0V gas sampling pump pulls low pressure gas from a well and boosts it to 25 psi to pump it into a sample cylinder.
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Price: From $1,591.80 to $2,168.90
Perform both ultra-precise low pressure differential or high pressure static pressure calibrations with nitrogen using the same device.
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Price: From $129.36 to $911.40
10,000 psi (689 bar) working pressure Microbore hoses that provide a very quick, low volume, high pressure way of connecting to any pressure instrumentation, hand pump, calibration source or device under test
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Price: From $48.40 to $569.50
Microbore hoses that provide a very quick, low volume, high pressure way of connecting to any pressure instrumentation, hand pump, calibration source or device under test.
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