posiwell logo

Discover the PosiWell® product range – a collection of innovative products.

Our flagship product, the patented PosiWell® valve serves as a Double Block and Bleed (DBB) valve, and a Double Isolation and Bleed -1 (DIB-1) valve.

The PosiWell® valve is designed to enhance efficiency and reliability across your operations.

posiwell valves

PosiWell® DBB DIB-1 Valve

by ~2.66x Cv

Supplying the markets

since 2012

PosiWell® DBB DIB-1 Valve: Innovating Valve Technology for Superior Performance

The PosiWell® DBB DIB-1 valve is designed by a team with over three decades of experience in servicing, repairing, and customizing conventional DBB valves. PosiWell® represents a breakthrough in valve technology.

Full Bore Design for Maximum Flow

PosiWell® full bore DBB DIB-1 expanding disc gate valve is an innovative design that ensures optimal flow efficiency vs traditional reduced-bore valves.

posiwell valve

Built to Resist Corrosion and Chemical Degradation

One of the primary causes of failure in traditional DBB designs is corrosion and chemical degradation. PosiWell® DBB gate valves address these issues by utilizing stainless steel and RPTFE soft seat internal trims, with alternative materials available upon request. This robust construction not only extends the valve’s lifespan but also reduces the overall cost of ownership.

Experience Innovation and Reliability with PosiWell®

Combining innovative design with proven expertise, PosiWell® delivers reliable performance even in the most demanding environments. Its advanced features and durable construction make it the superior choice for industries seeking efficient and long-lasting double block and bleed valve solutions.

Our Official Partners

valvesco
flowtork logo
LCTech logo
Flotech logo
TFS logo
Axel Larsson logo
Robinet logo
SL Armaturen logo
CJG logo
Metron logo
Soliflo logo
pt Duta logo
Epsilon Instrumentation logo
OG Valves logo
ASF logo
JS Cock AS logo

Our Official Partners

valvesco
flowtork logo
LCTech logo
Flotech logo
TFS logo
Axel Larsson logo
Robinet logo
SL Armaturen logo
CJG logo
Metron logo
Soliflo logo
pt Duta logo
Epsilon Instrumentation logo
OG Valves logo
ASF logo
JS Cock AS logo

PosiWell® DBB Valves are Trusted By:

petronas logo
oiltanking logo
vopak logo
bp logo
air force logo
royal air force logo
changi group logo
heathrow airport logo
fiji airports logo
manchester airport logo
viva energy logo
vtti logo
enauta logo
evos logo
gunvor logo
advario logo
pertamina logo
text on image of "and more!"
Cv Comparison for PosiWell® VS Other DBB Valves
CV comparison for DBB valves
Design Standards
ParametersStandards
DesignAPI 6D, Dual Expanding Discs – DBB-DIB Gate Valves
Size Range2” to 40” ANSI Class 150 – Class 300
(ANSI 600 or 900 on request)
Pressure & TemperatureASME B16.34
Face to FaceANSI B16.10 RF Smooth Finish, 125-250AARH
Flanged ConnectionASME B16.5, MSS-SP-44-B16.47
TestingAPI 6D, API598
Fire TestAPI 6FA -3rd edi. 1999
Fugitive EmissionEN ISO 15848-1
Standard OperationHandwheel for 2″ – 10″ (Gearbox Optional)
TGM Gearbox for 12″ and above
Automation of all types available
Materials of Construction
ParametersMaterial Specifications
Body & BonnetASTM A216 WCB + Hot Zinc Phosphate Bath Treatment as Standard
Stem & DiscsSS304
Soft SeatsRPTFE (15% Glass Reinforced, 5% MoS2), alternative materials available on request
Stem SealGraphite – Live Load Packing Seals
Bonnet GasketGraphite
Bottom DrainSS316 Ball Valve NPT Threaded (Flanged-end Optional)
Bonnet VentSS316 Ball Valve with SS316 Tubing
Thermal ReliefSS316 Cavity Pressure Relief with SS316 Tubing

Tamper-Proof,

Weather-Proof,

Error-Proof.

That’s PosiMech.

render of a posimech

PosiMech – Multi-turn Valve Sensor Housing

THE PROBLEMS WITH TYPICAL SENSOR INSTALLATIONS

Mounting limit switches and sensors on linear multi-turn valves is a challenging task compared to quarter-turn valves. Often, the selection of the cheapest options leads to improper installations and unreliable performance. Common issues include:

Accidental Interference: Knocks, unauthorized tampering, and other interferences may disrupt signals, causing operational delays.

Pipeline Vibrations: These can cause false alarms, leading to potential asset damage and wasted resources.

Environmental Exposure: Strong winds, rain, and sun exposure can disorient and damage sensing mechanisms.

Compatibility Issues: Different designs are often needed for various brands of switches and sensors.

a chart showing bad sensor installations for gate valves
a row of posimechs installed on valves in a workshop

THE SOLUTION: PosiMech

PosiMech has been developed to provide peace of mind to our users. With PosiMech, you no longer need to worry about your limit switches and sensors failing because vital components are all encased within the PosiMech itself. Key features include:

Universal Compatibility: PosiMech is compatible with any switch or sensor. It was developed with modularity in mind, accommodating locking devices, gearboxes, key interlocking systems, and much more. Whatever your requirement, PosiMech can handle it.

Lightweight Construction: PosiMech offers an aluminum and stainless steel body option. For further customization, contact us.

Seamless Integration: Designed to be an integral part of the valve, PosiMech ensures a clean look and finish.

Future-Proof Design: As the valve age and require more turns over time, PosiMech allows for easy adjustments, ensuring continued performance.

Other PosiWell Products

Many posilever on a table

PosiLever

The PosiLever is an attachment for quarter-turn valves to turn it into a spring return handle, or dead man’s lever, once attached.

It is able to convert your existing valves to enhance the safety and reliability of your operations.
posiact installed on a valve

PosiAct

The PosiAct stands out from other pneumatic actuators from the fact that is uses gland packing instead of O-rings for sealing.

The gland packing can be re-tightened to counter leak from the cylinder. Worn out packings can also be replaced without dismounting and dismantling the actuator.
locking component of the posilock

PosiLock

The PosiLock is a mechanical partial stroke testing system that allows users to be able to conduct partial stroke testing mechanically, without the need of a smart electric actuator.
Please feel free to contact us with your requirements