Safety Valves & Kelly Valves for Oilfield Drilling Operations

Safety valves and kelly valves are critical pressure control components used in oilfield drilling, workover, and well servicing operations. These valves are designed to maintain well control, prevent backflow, and ensure safe handling of drilling fluids under high-pressure conditions.

 

LKC Equipment supplies a range of safety valves and kelly valves compatible with TIW, Global MFG., M&M International, Midco, and other industry standards. Our inventory includes multiple sizes, pressure ratings, and repair kits used in demanding oil and gas operations.

 

Whether you are sourcing a replacement kelly valve for drilling rigs or a high-pressure safety valve for well control systems, we provide reliable oilfield solutions designed for operational safety and performance.

SAFETY VALVES / KELLY VALVES

Available Safety Valves & Kelly Valves

LKC Equipment supplies ram style and annular blowout preventers for oil and gas drilling, workover, completion, and pressure control applications. Our inventory includes Cameron, Townsend, Shaffer, and Hydril systems, along with replacement ram blocks, packers, and top seals for a variety of well control requirements.

Safety Valves (Drilling & Well Control Applications)

SIZECONNECTIONRATING
2 3/8″EUE 8RD5000 WP
EUE 8RD10000 WP
PH65000 WP
PH610000 WP
PH615000 WP
2 7/8″EUE 8RD5000 WP
EUE 8RD10000 WP
PH65000 WP
PH610000 WP
PH615000 WP
3 1/2″EUE 8RD10000 WP
SAFETY VALVES
ITEM #DESCRIPTION
1BODY -BOX END
2SEAT
3TEFLON SEAL
4SEAT O-RING
5STEM
6STEM O-RING
7FLOATING INSERT
8BODY O-RING
9BALL
10SPRING
11BODY -PIN END
 MAJOR REPAIR KIT
 MINOR REPAIR KIT
 SEAL KIT

Kelly Valves (Drilling String Safety Equipment)

SIZECONNECTIONRATING
2 7/8″IF – 2″ I.D.10000 WP
3 1/2″IF – 2″ I.D.10000 WP
IF – 2 7/16″ I.D.10000 WP
4 1/2″IF – 2 7/16″ I.D.10000 WP
XH – 2 3/4″ I.D.10000 WP
KELLY VALVES
ITEM #DESCRIPTION
1BODY -BOX END
2SEAT O-RING
3TEFLON SEAL
4GREASE FITTING
5BALL
6SEAT O-RING
7BODY O-RING
8TEFLON SEAL
9SPRING
10BODY -PIN END
11SEAT
12STEM O-RING
13STEM
14SEAT
 MAJOR REPAIR KIT
 MINOR REPAIR KIT
 SEAL KIT

What is a Safety Valve in Oilfield Operations?

A safety valve is a pressure control device installed in drilling systems to prevent uncontrolled flow of fluids during operations. These valves are designed to shut off flow quickly in emergency conditions, protecting both equipment and personnel.

 

Safety valves are commonly used in:

  • Drilling rigs
  • Well control systems
  • Surface pressure control setups
  • Workover operations
  • Well servicing equipment

What is a Kelly Valve?

A kelly valve is a type of drill string safety valve installed in the kelly or drill pipe to control flow and prevent backflow during drilling operations.

 

Kelly valves are essential for:

  • Maintaining well control during drilling
  • Preventing fluid kickback
  • Isolating pressure in drill string systems
  • Emergency shut-off operations

They are widely used across drilling rigs and workover units.

Safety Valve & Kelly Valve Components

We supply replacement components and repair kits including:

  • Valve bodies
  • Seats
  • Seals (Teflon & O-rings)
  • Balls
  • Springs
  • Stem assemblies
  • Major repair kits
  • Minor repair kits
  • Seal kits

These components help extend equipment life and maintain operational reliability in high-pressure environments.

Applications

Safety valves and kelly valves are used in:

  • Oil and gas drilling operations
  • Workover rigs
  • Well servicing operations
  • Pressure control systems
  • Drill string safety applications
  • Emergency shut-off systems

Why High-Quality Valves Matter

In oilfield environments, valve failure can lead to serious operational risks. High-quality safety and kelly valves ensure:

  • Reliable pressure control
  • Reduced risk of blowouts
  • Improved operational safety
  • Longer service life
  • Lower maintenance costs

Frequently Asked Questions

What is a safety valve in drilling?

A safety valve is a device used to control or stop fluid flow in drilling operations to maintain well control and prevent pressure hazards.

What is a kelly valve used for?

A kelly valve is used to control flow in the drill string and prevent backflow during drilling operations.

Are safety valves and kelly valves interchangeable?

No. They serve different functions—safety valves are broader pressure control devices, while kelly valves are specific to drill string applications.

Do you supply repair kits for valves?

Yes, we supply major and minor repair kits, including seals, seats, stems, and valve components.

Request a Quote from a Trusted Oilfield Equipment Supplier

Looking for safety valves or kelly valves for drilling and well control operations?

 

Contact LKC Equipment today for oilfield equipment, oil and gas tools, equipment availability, specifications, and pricing. We supply new, used, and refurbished well control equipment for drilling, workover, and oilfield operations. Our team is ready to support your operations with reliable supply and fast service.

 

Our commitment to quality and reliability has positioned us as a trusted oilfield equipment supplier and oilfield supply company serving clients across Oklahoma, North Dakota, Pennsylvania, California, and Texas, and across the United States and worldwide.

Scroll to Top