HOKE Catalogue
Download the complete HOKE product Catalogue with full specifications, dimensions, ordering codes, and material options for all product categories.
Download HOKE Catalogue (PDF)Priminox Overseas is the authorised distributor of HOKE Tube Fittings in India, holding ready stock of the full GYROLOK twin-ferrule range at our Mumbai warehouse. HOKE Tube Fittings provide leak-tight, gas-tight connections on small-bore instrumentation, sampling, and process lines, with a twin-ferrule mechanical design rated for both high-pressure and high-vacuum service. We stock connectors, unions, tees, crosses, elbows, reducers, caps and plugs, adapters, ferrules, and installation tools for both fractional and metric tubing, with the most-specified configurations available ex-stock and speciality alloys on indent. Stocked body materials include 316/316L stainless steel, brass, Monel 400, Hastelloy C-276, Inconel 625, Incoloy 825, Duplex 2205, Super Duplex 2507, Alloy 6MO (254 SMO), and Grade 2 Titanium, in tube ODs from 1/16" to 2" and 3 mm to 38 mm, rated per ASME B31.3.
HOKE Tube Fittings include connectors, unions, adapters, weld fittings, calibration fittings, ferrules, and accessories for secure tubing connections.
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HOKE Tube Fittings provide leak-tight tubing connections across the following industries in India:
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Download the complete HOKE product Catalogue with full specifications, dimensions, ordering codes, and material options for all product categories.
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HOKE tube fittings use a twin-ferrule design. The front ferrule seals against the tube and fitting body, while the rear ferrule grips the tube to hold it firmly against pressure and vibration. A butt seal at the base of the fitting removes dead space, and a built-in stop prevents over-tightening. Together these features give a leak-tight, gas-tight joint that holds up across repeated remakes.
Yes. HOKE Tube Fittings are used in gas, hydraulic, chemical injection, analyser, and instrumentation systems where leak-tight and vibration-resistant connections are required.
HOKE Tube Fittings are always rated higher than the tubing they connect, so the joint's working pressure depends on the tubing — its alloy, OD, and wall thickness.For example, 316/316L stainless steel tubing at 1/2" OD × 0.049" wall is rated 5,100 psig at ambient temperature.
HOKE Tube Fittings are designed for fully annealed seamless tubing in stainless steel, copper, titanium, duplex, super duplex, and high-performance nickel alloys. Welded tubing can also be used with applicable pressure derating factors.
Each order ships with the HOKE Certificate of Conformity and Certified Material Test Report (CMTR). EN 10204 3.1 equivalent certification, NACE MR0175 documentation, and third-party inspection are available on request. Priminox issues the Certificate of Origin, packing list, and tax invoice with every dispatch.
Beyond instrumentation valves, Priminox stocks the complete HOKE product family — fittings, actuators, quick couplings and sampling solutions.