RTK provides high-quality control valves and actuators offering extensive experience in all applications of control valve technology. RTK valves provide security, reliability, and solutions for their customers. RTK is a specialist in control valve technology, RTK meets customer-specific requirements, which far exceeds standard requirements and deliver comprehensive solutions for customers worldwide.

Unified Valve Group is the exclusive representative of RTK Control Valves for the provinces of Alberta, Saskatchewan and British Columbia. Unified can offer our customers quick turnaround times on a variety of control valves from our local inventory in Calgary, Alberta. The stocked valves will range from ½ inch through 8 inch in ANSI Class 150 and Class 300, featuring various body materials, end connections, and multiple trim options. This extensive selection is designed to accommodate a wide spectrum of flow conditions, including severe service applications.

RTK is a subsidiary of CIRCOR International - a global manufacturer specializing in highly engineered, complex, and severe environment products that serve long-term, high growth infrastructure markets, including oil and gas, power generation, industrial, and aerospace & defense.

Unified is the Official Western Canadian Representative of RTK Control Valves!

Control Valves - RTK 3100 

Control Valves 

• Heavy industrial control valve available in sizes 1” to 16”
• Cage guided, balanced plug control valve
• Available in globe and angle design
• Raised face flanged, buttweld and flanges connections available
• Quick change seats for ease of repair
• Variety of Pressure Class from CL150 to CL 4500 depending on scope of valve. 
• Suitable for extreme applications with flashing and severe cavitation
• Variety of trim options available

Control Valves - RTK Reflex 

 2 & 3-Way Design Control Valves

• Medium industrial control valve available in sizes ½” to 12”
• Flanged, buttweld, threaded, and socket-weld
• Pressure Class 150 - 900
• Quick change seats for ease of repair - standard on all models being stocked in Canada
• High temperature (530°C) and low-temperature (-60°C) versions available

Steam Converting Valves

• Available in sizes 1 ½” to 10”
• Pressure Class 150 - 300
• A216 WCB & A217 WC6 body materials
• Low-noise perforated trim reduces steam pressure while cooling water simultaneously is injected into the steam flow to cool it
• Steam pressure reduction & cooling water injection in one valve

Re-circulating Valves

• Available in sizes 1” to 3”
• Pressure Class 300
• Protects boiler feedwater pump by recirculating water back to the pump to maintain minimum pump rate
• For boilers rated between 5-50 t/h with adjustable recirculation rates

Bottom Blowdown Valves

• Available  in sizes from ¾”  to 2 ½ ”
• Pressure Class 300
• Used to remove sludge, sediment, and other impurities that accumulate during normal operation
• Periodically opens to “blow down” the solid particulates

Continuous Blowdown Valves

• Available in sizes from ½ ” to 1 ½ ”
• Pressure Class 300
• Blows down continuously from the upper part of the boiler drum to remove dissolved solids from boiler water
• Prevents scale formation, maintains water quality, and improves boiler efficiency

Multi-nozzle Desuperheater 

• Injects cooling water directly into superheated steam lines to reduce temperature
• Steam cooling achieved by injecting finely atomized cooling water into the steam flow
• Tight shutoff without any leakage

Actuation

Electric Actuators

• CSA Approved for both 24 VDC and 120 VAC versions
• -40°C ambient models will be standard in Canada
• Manual handwheel on all models

Pneumatic Actuators

• Pneumatic Spring Diaphragm Actuators
• Field reversible for fail action
• Available in 18 ½ inch², 45 inch², 80 inch², and 155 inch²
• Numerous accessories are available as 
  • Electropneumatic and pneumatic positioners 
  • Air filter regulators/pressure gauges
  • Lockup relays
  • Solenoids
  • Booster relays
  • Limit switches/proximity switches

Unified has access to pneumatic cyclinders and electro-hydraulic actuators upon request.