Technical Articles

DEMCO Major Repair Kit

Posted on 2nd Dec 2021

See what all is included in a DEMCO major repair kit for 5,000 and 7,5000 PSI valves. DEMCO style mud valves are tried and true valves in the oil and … read more

What to Know About Weco Adapter Flanges

Posted on 16th Nov 2021

Learn how versatile Weco adapter flanges are made and the common configurations. Weco adapter flanges are crossover connections for connecting wellhea … read more

H2 Choke Needle: What They Do and Where to Find Them

Posted on 16th Nov 2021

Discover what goes into an H2 choke needle and where to find replacement parts. The stem, more commonly known as the needle, for H2 style adjustable c … read more

OD Seals for Type H Back Pressure and Two-Way Check Valves

Posted on 16th Nov 2021

Find out why OD seals are used in back pressure valves and two-way check valves. As the new industry leaders in back pressure valves (BPV) and two-way … read more

Buying a Blind Flange Replacement

Posted on 16th Nov 2021

Learn how blind flanges are used and where you can find a replacement part. Blind flanges are another API 6A product that Heshka Oil keeps in stock an … read more

MS Style Check Valve - How They Work

Posted on 16th Nov 2021

Find out how MS style check valves work as well as how they compare to Type R check valves. The MS style check valve is a flow-through back check valv … read more

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