Concentric electric butterfly valve / soft seal with resilient seat/low torque design

Features

Soft seal butterfly valve

• Body type: wafer or lug
• Body material: Ductile iron, SS304(CF8), SS316(CF8M)
• Seat material: EPDM, PTFE, NBR(Buna-N) available
• sure PN: Designed for commercial and industrial applications up to 200 psi
• Stem design: Available in square shaft for easy mounting of actuators
• Top flange: ISO 5211 direct mounting of actuators
• One piece shaft: Maintains disc position.
• Shaft pins: Enables a vibration free connection between the shaft and the disc..
• O ring seal: Provides a seal to interior stem and bushings.
• Bushings: Provide correct alignment of shaft through the body and reduces torque.
• Stem seal: Positive seal in both directions to prevent leakage.
• Bi-directional body & seat design, replaceable seat optional
• Backed seat support: Prevents stem leakage and high valve torque from poor installation.

Electric actuators

• 90° operation, middle position optional
• All 40Cr alloy spur gears, hard copper alloy worm gear, metal tapered roller bearings
• Permanent lubricated without maintenance for over 10000 full range life cycles
• Corrosion protection aluminum alloy housing with thermally bonded polyester coating
• Heavy duty motor with thermal overload protection
• Allen wrench manual override/handwheel optional
• Flat or dome indicator for valve position
• ISO5211 multi flange mounting
• CSA certified per UL standard/CE marked

Specification

Description

DCL concentric soft seal butterfly valves are widely used for Commercial Heating & Air Conditioning, Wastewater & Water Treatment, Seawater/Desalination, Food & Beverage Processing, Pulp & Paper Processing, oil & gas etc.

NBR seat is always used for oil related medium.

EPDM is the most commonly used material with medium temperature ≤ 200℃.

PTFE seat is always used for high temperature medium that is ≤ 300℃, and also has the best chemical stability.

Founded in 2001, Dynamic Corporation Limited(DCL) is a national high-tech enterprise, which is engaged in R&D, manufacturing and sale of Electric Actuator, Electric Valve and its Automation Control System. The main leading product, DCL Series Electric Actuator is featuring the compact construction, exquisite appearance, smart control, remarkable performance,easy operation and so on.

DCL series electric actuators are widely used in various industrial field, such as HVAC, refrigeration, petroleum, chemical, electric power, smelting, energy, pharmaceutical, paper-making, water treatment, food, brewage, shipbuilding and combustion system etc. DCL has estabilished stable partnership with lots of world leading companies in each industry to provide best flow control solutions. Every year, DCL also exports over 10000 units self-produced electric actuators and electric valves to USA and Germany.

In the past 19 years, DCL has winned high trust-worthy from customers. Many customers with many years practices confirm that our products are outstanding in stable quality, reliability, durability and after-sale service.

1. Manufacture per ISO9001:2015 standard with certification

2. Products are CE marked/ATEX marked with QAN by SGS group

3. Products are certificated per UL and CSA standard by CSA group

DCL does not only provide good quality products, but also present responsibility to the society and community. All our employees regard quality first. Quality control has a long uninterrupted way to go. Quality first is our management culture and the foundation of our company.