• Safety Relief Devices

    Saf-tee™ relief devices can be used with HOKE sampling cylinders as an inexpensive safety device or as a pipe size adapter for connecting valves in the make-up of cylinder assemblies.

    Two basic models are available to satisfy most pressure ranges. Spring relief models are recommended for applications where re-closure is required.

    Rupture Disc models are supplied with a pre-bulged rupture disc which provides excellent resistance to a broad range of hold-down plug and rupture disc to prevent damage due to torque transmission during assembly. A safety screen minimizes fragment release through the plug vents. The maximum operating system pressure should be limited to 80% of the nominal rating of the rupture disc for static operating pressure and ambient temperature. It should be limited to 70% if pressure pulsations occur or used at elevated temperature. The burst tolerance is within the ASME code guidelines.

  • Heavy duty compact line of 316 stainless steel and Monel® forged body globe pattern valves features an integral bonnet suitable for 1/4" and 3/8" NPT ended cylinders.

  • 1900 Series Cylinder  Valves

    This durable line of angle pattern valves features a low profile shrouded handle which protects the valve against damage.Dyna-Pak TFE wafer packing provides a leak tight seal with low operating torque even at 6000 psi (414 bar) pressure.

  • 2400 Series 1/2" Cylinder Valves

    2400 Series 316 stainless steel, forged body angle pattern valves, come with a union bonnet for increased safety and ease of maintenance.

    Available with pressure rupture discs or spring relief devices as an integral part of the valve.

  • 3700 & 3800 Series Cylinder Valves-Angle

    The 3700 & 3800 Series forged body cylinder valves are supplied in stainless steel for cylinders with 1/8" through 3/8" NPT threads.

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