38J Angle Street, Onehunga, AucklandOur Locations-Unit 8, 16 Cory John Place, Bell Block, New PlymouthOur Locations-11A Leslie Hills Drive, Riccarton, ChristchurchOur Locations-38J Angle Street, Onehunga, Auckland
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Ralston Instruments

Discover precision with Ralston Instruments! Explore industry-leading pressure calibration tools at CPS NZ for reliable solutions and exceptional performance.

Discover precision with Ralston Instruments! Explore industry-leading pressure calibration tools at CPS NZ for reliable solutions and exceptional performance.

Block and Bleed Valves

Block and Bleed Valves

$100.00
Ralston quick-test block & bleed valves maintain calibration system pressure while safely venting the device under test—tool-free, leak-free connection
Select options This product has multiple variants. The options may be chosen on the product page
DP Transmitter Quick-test XT Adapters 700 bar
DP Transmitter Quick-test XT Adapters 700 bar

DP Transmitter Quick-test XT Adapters 700 bar

$100.00
Ralston DP Transmitter Quick‑Test XT Adapters let you connect a Quick‑Test XT hose via the bleeder port—no manifold needed—for safe, leak‑free testing up to 10,000 psi.
Select options This product has multiple variants. The options may be chosen on the product page
Female NPT To Quick-Test Male High Pressure

Female NPT To Quick-Test Male High Pressure

$100.00
Ralston NPT Female Quick‑test XT Adapters connect male NPT gauges or devices to Quick‑test XT hoses up to 10,000 psi, eliminating repeated thread wear.
Select options This product has multiple variants. The options may be chosen on the product page
In-line Vent Valves

In-line Vent Valves

$100.00
Ralston In-line Vent Valves—tool-free Quick-test bleed valves for safe, controlled pressure venting after calibration. Leak-free, reliable performance
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Male NPT To Quick-Test Male High Pressure

Male NPT To Quick-Test Male High Pressure

$100.00
The Ralston NPT Male Quick‑Test XT Adapters enable tool‑free, leak‑proof connection of Quick‑Test XT hoses to female NPT up to 10,000 psi in stainless steel.
Select options This product has multiple variants. The options may be chosen on the product page
Metric Female Quick-connect Adapters

Metric Female Quick-connect Adapters

$100.00
Metric female quick-connect adapters for safe, wrench-free, leak-free connection using pressure-assisted O-ring seal. Stainless steel, made in USA
Select options This product has multiple variants. The options may be chosen on the product page