Dowco Valve


Dowco Valve Company, a third-generation family owned company, is dedicated to listening to our customers and providing answers to assist in their safety and reliability. All of our services can be done in your plant or our facility, to the procedures of our Quality System, the National Board of Boiler and Pressure Vessel Inspectors, Applicable Codes, and Manufacturers' Procedures.

Dowco Valve, the Total Pressure Management Company-
to whom Quality and Service are not just words -
they are the foundation of our company.

Our Code Certificates are:

NB - "VR" - Pressure Relief Valve Repair
NB - "R" - Boiler & Pressure Vessel Repair/Alterations
ASME - "V" - Assembly of Section 1 Safety Valves
ASME - "UV" - Assembly of Section 8 Pressure Relief Valves

The people who are Dowco Valve are long-term employees with a creed of serving the customer with premium services. Our own 24,000 square foot, pre-cast concrete, fully automatic fire protected building with high capacity test stands, complete machine shop and state of the art welding equipment are designed and built to maximize our capabilities and efficiencies.

Dowco Valve is dedicated to assist in keeping your pressure systems on-line and safe, thereby adding value to your company.

Dowco Valve Company
Dowco Services

Dowco Valve offers a variety of services, below are descriptions of what's available:

Certified "VR" Repair Steam / Air / Liquid / Gas
ASME Code Section I and VIII
All Manufactures
On-site Testing On-site testing using electronic lift-assist device
or portable test stand.
Line Valve Repair Control, Gate, Globe, Check, Ball-Valves, All Manufactures.
Mobile Repair Units Repair all types of valves at your plant.
Valve Maintenance Tracking Valve Data entered into database for preventative maintenance
programs and are tracked for life.
Field Surveys Survey and evaluate valves for safety concerns and compliance
requirements per service condition.
Valve Sizing & Selections Using sizing programs for safety & pressure relief valves,
control valves, tank vents & rupture disks.
Portable Machining Portable equipment to repair all types of valves.
Rentals are now available.
Code Repair National Board Boiler & Pressure Vessel "R” Stamp Repairs.
New Product Sales

Valve Group:

Phonix- Bellows Sealed globe valves & chlorine service valves.

STRACK- HF acid valves,gates,globes,checks & lift plug valves.

DAUME- Severe service valves for the power industry.

SOLENT & PRATT- Butterfly valves ,triple offset, Double block & bleed, resilient seal, PTFE sealed fire safety valves.

Farris Pressure Relief Valves
  • Stocking Distributor & Assembler

Apollo Safety Valves

  • Assembler

Protego - Tank Vents, Flame Arresters

ZOOK - Rupture Disks & Holder

  • Representative & Distributor
Atwood Morrill / Crane / Edward / Newco / Orbit / Pacific / Powell / Velan / Yarway / Others
Welcome to Dowco Valve


700 Spiral Blvd.
Hastings, Minnesota 55033
United States of America

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  • VRC Member