K.Mass designs and manufactures specialty Safety & Relief Valve Test Benches with a full range of customized features. These Test Benches enable users to carry out testing of Direct Spring, Weight, and Pilot Operated Safety & Relief Valves in accordance with all International testing codes & standards.
Safety Valve Types
•  Spring, Weight & Pilot Operated Safety Valves.
•  Thermal Relief Valves.
•  Pressure / Vacuum Vent Valves & Breather Valves.
Size Ranges
•  From ½” Inlet to 12” Inlet Flanged Valves (Higher sizes available on request).
•  From ¼” Inlet to 2” Inlet Screwed Valves.
Test Type
Seat Leak Test Set Pressure Test
/ Pop Test
Back Pressure Test Shell Test
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Test Medium
•  Gas And / Or.
•  Liquid.
Pressure / Vacuum Range
•  Variable ranges from (-) 10 psi up to 6000 psig.
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Standard Features      
3-Jaw, Stainless Steel, Piston loaded Auto Clamping unit for Quick & effortless clamping of valves.
Ergonomically designed User-friendly Control console for Ease of Operation & Optimum Output whilst ensuring adequate Operator Safety.
Electronic Over Pressure Protection System with a ‘Real time Digital Pressure Read Out’ to preset the maximum pressure limit of the Test Bench & avoid accidents due to over pressure.
Onsite calibration option for Electronic Over Pressure Protection System for user
Safety Valves on Accumulators to protect against system over pressure.
Safety Screen to protect the operator from exposure to pressurized test media.
Priming Bypass system to vent air bubbles f& pockets in test valves by filling up water prior to hydraulic testing.
Pressure Gauge Adaptors to enable directional control of Test Pressure Gauges
Pressure Outlets for testing external pressure tight assemblies.
All electrical mountings & cables routed neatly in accordance with international standards using conduits & covers with appropriate glands, clamps & gaskets.
High Quality Weather Proof Painting to prevent rusting even in highly corrosive offshore environments.
Sequential Nametags & labels for easy identification & operation.
Stainless Steel Circuit Tubing Integrated in accordance with International Standards.
Optional Features      
Common / Independent Skid Mount Platform for all Test System Modules.
A Remote Controlled 3-Jaw, En-24 Chrome-Moly-Steel Hardened, Bottom Hydraulic Cylinder Proportional Clamping unit with fully equipped with a PLC based Safety Interlock System & Touch Screen Human Machine Interface for Safe, Quick & effortless clamping of valves.
Large Size Bright LED Displays for ‘Real time Digital Pressure Read Out’ (Available in Variable Sizes)
Panel & Direct Mounted Chart Recorders
Complete Stainless Steel Structural Fabrication.
Containerized System with / without Work benches for Offshore applications (Only up to 8” Valve size)
Standard Accessories      
Air Gun for cleaning of valves & Test Bench during & after the tests.
6” Test Pressure Gauges with Accuracy of +0.5% of FSD.
High Pressure Threaded Adaptors for Screwed Valves.
Phosphatized Intermediate and Outlet Flanges with O-Rings to accommodate various valve sizes.
A Set of 3 G-Clamps
API-527 Manual Seat Leak Bubble Counter.
Interconnecting Cables & Hoses
Compatible Add On Systems & Accessories      
Data Acquisition System
High Pressure Air Supply System to cater to the Drive Air & Pre-charged Air requirement of the Test Bench
Digital Bubble Counter
Liquid Reservoir with Accessories
Portable Trolley Mounted Nitrogen Cylinder
Test Media Recirculation System

Our Standard Material of Construction for all wetted Parts of the Test Bench is SS-304. However, special materials like SS-316, Monel, Inconnel etc. are available on demand to suit the process environments.

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