• Gate Valve with 25º Elbow - 10K

Kochek Fire Equipment


This big water gate valve is designed for pumper use and includes 25° elbow.

Pressure relief valve allows for easy adjustments from 75-250 PSI in increments of 25 with round 2 5/8” dump.


  • Air Bleeder
  • Weight: 25 lbs.
  • Length: 12”
  • Width:    8”
  • Height: 15”
  Description Part Number
  4” Storz to 4 ” NST Long Handle Female Swivel   10K40104
  4” Storz to 4 ½ ” NST Long Handle Female Swivel   10K45104
  4” Storz to 5” NST Long Handle Female Swivel   10K50104
  4” Storz to 6” NST Long Handle Female Swivel   10K60104
  4” Storz to 4” Storz   10K0404
  5” Storz to 4” NST Long Handle Female Swivel   10K40105
  5” Storz to 4 ½” NST Long Handle Female Swivel   10K45105
  5” Storz to 5” NST Long Handle Female Swivel   10K50105
  5” Storz to 6” NST Long Handle Female Swivel   10K60105
  5” Storz to 5” Storz   10K0505


free kochek color coding

Color code this item, at no additional charge. Color coding helps to identify your equipment at mutual aid calls quickly.*

* Color coding applies only to the threaded/Storz connections, all valve bodies will remain Silvadillo and handles Black. 



Many different types of fire department threads

We offer many different types of thread choices to accommodate our customers throughout the USA. We maintain a card file in our office with thread types used by various cities throughout the USA.

If your thread type is not shown below, please give us a call to discuss your requirements. 

  • National Standard Thread (NST), also known as National Hose thread (NH). It is the most common type of fire hose coupling used in the United States.

Kochek Finishes

Kochek’s standard adapters are furnished in Hard Coat Anodized Aluminum. Hard Coat is a high-quality, durable finish that is most often specified by manufacturing engineers. They exhibit the following qualities.

  • Meets mil spec 8625 Type III class 1
  • 2mil thickness which gives an excellent abrasion and corrosion resistance that has a Rockwell C rating of 65-70 and meets ASTM B117 specification of 336+ hours of salt spray resistance.

Note:  Also available are Clear and Orange anodized. They are a high-quality, durable finish that provides excellent corrosion resistance and meets the ASTM B117 specification of 336+ hours of salt spray resistance and has a Rockwell C rating of 60-65.


kochek hard coat color choices


kochek powder coat choices
Powder coat is a polymer resin based dry finish that is a durable non-conductive coating to help inhibit electrolysis and is color consistent to a delta of 0.5 and available in many vivid colors.

CLICK HERE to view the available powder coat color choices

Also offered are the following additional choices:

  • K-Brite (polished aluminum, no coating)
  • K-Chrome (chrome plated aluminum), please call for pricing

Laser Engraving

laser engraved fire department supplies

We also offer custom laser engraving of your adapters for an additional charge. If you require this option, please select that option and type in the box the name or initials you want laser engraved. The size of your adapter limits us.


Delivery Times

rapid delivery on most kochek fire equipment

Delivery times are variable by the size, thread type, and finishes you select. There is no definitive answer, but NST threads, in Standard Silvadillo/Black can usually ship quicker. Other options can add a few weeks to lead times. If you require this item in a rush, please give us a call, and we will be most happy to contact our factory for a current lead time.


Call us if you have a question on fire department threads

We are Kochek specialists. We deal with various threads and finishes daily. Our goal is to help you order the correct item the first time. However, many items are made to order. Unfortunately, they are not subject to cancelation or return once your order has been submitted. Please give us a call before ordering if you are uncertain of your thread types, finishes, sizes, colors, or have any other questions.


kochek fire 10k gate valves

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Gate Valve with 25º Elbow - 10K

  • Price based on selected options.

  • Available Options

    Delivery/Shipping Availability: Item ships directly from manufacturer. Approximate delivery in 3-5 weeks.

    WARNING: Cancer and Reproductive Harm:

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