Proudly Canadian

100% canadian-owned & operated

Customer Rating

4.7/5 Stars

25167 REVIEWS

Customer Rating

4.7/5 Stars

25167 REVIEWS

Pressure Calibration Specialists

FREE SHIPPING ON ONLINE ORDERS OVER $99*

Pressure Calibration Specialists

Ralston Instruments - Pressure

Showing 381 to 400 of 1266 products

Ralston QTHA-4TB0 Tube Fitting Quick-Test Adapter, ½" male, 5000 psi-

Ralston QTHA-4TB0 Tube Fitting Quick-Test Adapter, ½" male, 5000 psi
Model: QTHA-4TB0

Sale Price $42.78 CAD
Regular Price $46.00 CAD
Availability 9 in Stock

Qty:

Sale Price $42.78 CAD
Regular Price $46.00 CAD
Availability 9 in Stock
Quantity

Ralston QTHA-4MS1 Male NPT x Male Quick-Test Adapter with check-valve, 0.5", stainless steel-

Ralston QTHA-4MS1 Male NPT x Male Quick-Test Adapter with check-valve, 0.5", stainless steel
Model: QTHA-4MS1

Sale Price $85.56 CAD
Regular Price $92.00 CAD
Availability 1 to 2 Weeks

Qty:

Sale Price $85.56 CAD
Regular Price $92.00 CAD
Availability 1 to 2 Weeks
Quantity

Ralston QTHA-4MS0-SK Replacement Seal Kit-

Ralston QTHA-4MS0-SK Replacement Seal Kit
Model: QTHA-4MS0-SK

Sale Price $22.32 CAD
Regular Price $24.00 CAD
Availability 2 to 3 Weeks

Qty:

Sale Price $22.32 CAD
Regular Price $24.00 CAD
Availability 2 to 3 Weeks
Quantity

Ralston QTHA-4MS0-QD Stainless-Steel Connector, 0.5" male NPT Quick-Connect x male Quick-Test-

Ralston QTHA-4MS0-QD Stainless-Steel Connector, 0.5" male NPT Quick-Connect x male Quick-Test
Model: QTHA-4MS0-QD

Sale Price $136.71 CAD
Regular Price $147.00 CAD
Availability 2 to 3 Weeks

Qty:

Sale Price $136.71 CAD
Regular Price $147.00 CAD
Availability 2 to 3 Weeks
Quantity

Ralston QTHA-4MS0-AN-SK Replacement Seal Kit for the QTHA-4MS0-AN-QD-

Ralston QTHA-4MS0-AN-SK Replacement Seal Kit for the QTHA-4MS0-AN-QD
Model: QTHA-4MS0-AN-SK

Sale Price $11.16 CAD
Regular Price $12.00 CAD
Availability 2 to 3 Weeks

Qty:

Sale Price $11.16 CAD
Regular Price $12.00 CAD
Availability 2 to 3 Weeks
Quantity

Ralston QTHA-4MS0-AN-QD Stainless-Steel Connector, 0.5" male 37° flare (H04 AN/JIC) x male Quick-Test-

Ralston QTHA-4MS0-AN-QD Stainless-Steel Connector, 0.5" male 37° flare (H04 AN/JIC) x male Quick-Test
Model: QTHA-4MS0-AN-QD

Sale Price $167.40 CAD
Regular Price $180.00 CAD
Availability 2 to 3 Weeks

Qty:

Sale Price $167.40 CAD
Regular Price $180.00 CAD
Availability 2 to 3 Weeks
Quantity

Ralston QTHA-4MS0 Male NPT Quick-test Adapter, 5000 psi, ½" male NPT-

Ralston QTHA-4MS0 Male NPT Quick-test Adapter, 5000 psi, ½" male NPT
Model: QTHA-4MS0

Sale Price $66.96 CAD
Regular Price $72.00 CAD
Availability 2 to 3 Weeks

Qty:

Sale Price $66.96 CAD
Regular Price $72.00 CAD
Availability 2 to 3 Weeks
Quantity

Ralston QTHA-4MB1 Male NPT x Male Quick-Test Adapter with check-valve, 0.5", brass-

Ralston QTHA-4MB1 Male NPT x Male Quick-Test Adapter with check-valve, 0.5", brass
Model: QTHA-4MB1

Sale Price $42.78 CAD
Regular Price $46.00 CAD
Availability 2 to 3 Weeks

Qty:

Sale Price $42.78 CAD
Regular Price $46.00 CAD
Availability 2 to 3 Weeks
Quantity

Ralston QTHA-4MB0 Male NPT x Male Quick-Test Adapter, 0.5", brass-

Ralston QTHA-4MB0 Male NPT x Male Quick-Test Adapter, 0.5", brass
Model: QTHA-4MB0

Sale Price $34.41 CAD
Regular Price $37.00 CAD
Availability 5 Days

Qty:

Sale Price $34.41 CAD
Regular Price $37.00 CAD
Availability 5 Days
Quantity

Ralston QTHA-4FSF-SK Replacement Seals Kit-

Ralston QTHA-4FSF-SK Replacement Seals Kit
Model: QTHA-4FSF-SK

Sale Price $16.74 CAD
Regular Price $18.00 CAD
Availability 2 to 3 Weeks

Qty:

Sale Price $16.74 CAD
Regular Price $18.00 CAD
Availability 2 to 3 Weeks
Quantity

Ralston QTHA-4FSF-QD Stainless-Steel Adapter, 0.5" female 37° flare (AN/JIC -08) x male Quick-Test-

Ralston QTHA-4FSF-QD Stainless-Steel Adapter, 0.5" female 37° flare (AN/JIC -08) x male Quick-Test
Model: QTHA-4FSF-QD

Sale Price $217.62 CAD
Regular Price $234.00 CAD
Availability 2 to 3 Weeks

Qty:

Sale Price $217.62 CAD
Regular Price $234.00 CAD
Availability 2 to 3 Weeks
Quantity

Ralston QTHA-4FSA-RG-QD Female BSPP Quick-Disconnect x Female Quick-Test Adapter, 0.5", stainless steel-

Ralston QTHA-4FSA-RG-QD Female BSPP Quick-Disconnect x Female Quick-Test Adapter, 0.5", stainless steel
Model: QTHA-4FSA-RG-QD

Sale Price $208.32 CAD
Regular Price $224.00 CAD
Availability 2 to 3 Weeks

Qty:

Sale Price $208.32 CAD
Regular Price $224.00 CAD
Availability 2 to 3 Weeks
Quantity

Ralston QTHA-4FSA-QD Female NPT Quick-Connect x Female Quick-Test Adapter, 0.5", stainless steel-

Ralston QTHA-4FSA-QD Female NPT Quick-Connect x Female Quick-Test Adapter, 0.5", stainless steel
Model: QTHA-4FSA-QD

Sale Price $169.26 CAD
Regular Price $182.00 CAD
Availability 2 to 3 Weeks

Qty:

Sale Price $169.26 CAD
Regular Price $182.00 CAD
Availability 2 to 3 Weeks
Quantity

Ralston QTHA-4FS0-SK Replacement Seal Kit for QTHA-4FS0-QD and QTHA-4FSA-QD-

Ralston QTHA-4FS0-SK Replacement Seal Kit for QTHA-4FS0-QD and QTHA-4FSA-QD
Model: QTHA-4FS0-SK

Sale Price $16.74 CAD
Regular Price $18.00 CAD
Availability 2 to 3 Weeks

Qty:

Sale Price $16.74 CAD
Regular Price $18.00 CAD
Availability 2 to 3 Weeks
Quantity

Ralston QTHA-4FS0-RG-SK Replacement Seal Kit for QTHA-4FS0-RG-QD and QTHA-4FSA-QD-

Ralston QTHA-4FS0-RG-SK Replacement Seal Kit for QTHA-4FS0-RG-QD and QTHA-4FSA-QD
Model: QTHA-4FS0-RG-SK

Sale Price $16.74 CAD
Regular Price $18.00 CAD
Availability 2 to 3 Weeks

Qty:

Sale Price $16.74 CAD
Regular Price $18.00 CAD
Availability 2 to 3 Weeks
Quantity

Ralston QTHA-4FS0-RG-QD G Female BSPP Quick-Disconnect x Male Quick-Test Adapter, 0.5", stainless steel-

Ralston QTHA-4FS0-RG-QD G Female BSPP Quick-Disconnect x Male Quick-Test Adapter, 0.5", stainless steel
Model: QTHA-4FS0-RG-QD

Sale Price $162.75 CAD
Regular Price $175.00 CAD
Availability 2 to 3 Weeks

Qty:

Sale Price $162.75 CAD
Regular Price $175.00 CAD
Availability 2 to 3 Weeks
Quantity

Ralston QTHA-4FS0-QD Female NPT Quick-Connect x Male Quick-Test Adapter, 0.5", stainless steel-

Ralston QTHA-4FS0-QD Female NPT Quick-Connect x Male Quick-Test Adapter, 0.5", stainless steel
Model: QTHA-4FS0-QD | Order No: QTHA-4FS0-QD/A

Discontinued!

This product has been discontinued and is no longer available.
Click here for the direct replacement.

Ralston QTHA-4FS0-QD Female NPT Quick-connect Adapter, 5000 psi, ½" female NPT-

Ralston QTHA-4FS0-QD Female NPT Quick-connect Adapter, 5000 psi, ½" female NPT
Model: QTHA-4FS0-QD

Sale Price $132.06 CAD
Regular Price $142.00 CAD
Availability 1 to 2 Weeks

Qty:

Sale Price $132.06 CAD
Regular Price $142.00 CAD
Availability 1 to 2 Weeks
Quantity

Ralston QTHA-4FS0 Female NPT Quick-test Adapter, 5000 psi, ½" female NPT-

Ralston QTHA-4FS0 Female NPT Quick-test Adapter, 5000 psi, ½" female NPT
Model: QTHA-4FS0

Sale Price $81.84 CAD
Regular Price $88.00 CAD
Availability 1 to 2 Weeks

Qty:

Sale Price $81.84 CAD
Regular Price $88.00 CAD
Availability 1 to 2 Weeks
Quantity

Ralston QTHA-4FBA-RG G Female BSPP (ISO 228/1) x Female Quick-Test Adapter, 0.5", brass-

Ralston QTHA-4FBA-RG G Female BSPP (ISO 228/1) x Female Quick-Test Adapter, 0.5", brass
Model: QTHA-4FBA-RG

Sale Price $72.54 CAD
Regular Price $78.00 CAD
Availability 1 to 2 Weeks

Qty:

Sale Price $72.54 CAD
Regular Price $78.00 CAD
Availability 1 to 2 Weeks
Quantity
Showing 381 to 400 of 1266 products
We Ship Free on Orders Over $99 within Canada
Chat Live

  • We accept these payment methods:
  • Visa, Master Card, Discover, American Express & PayPal
  • We also accept wire transfers/EFT, cheques and purchase orders on approved credit. Accepted payment methods vary by country.